11f504dbdSmatthias.ringwald /* 2a0c35809S[email protected] * Copyright (C) 2014 BlueKitchen GmbH 31713bceaSmatthias.ringwald * 41713bceaSmatthias.ringwald * Redistribution and use in source and binary forms, with or without 51713bceaSmatthias.ringwald * modification, are permitted provided that the following conditions 61713bceaSmatthias.ringwald * are met: 71713bceaSmatthias.ringwald * 81713bceaSmatthias.ringwald * 1. Redistributions of source code must retain the above copyright 91713bceaSmatthias.ringwald * notice, this list of conditions and the following disclaimer. 101713bceaSmatthias.ringwald * 2. Redistributions in binary form must reproduce the above copyright 111713bceaSmatthias.ringwald * notice, this list of conditions and the following disclaimer in the 121713bceaSmatthias.ringwald * documentation and/or other materials provided with the distribution. 131713bceaSmatthias.ringwald * 3. Neither the name of the copyright holders nor the names of 141713bceaSmatthias.ringwald * contributors may be used to endorse or promote products derived 151713bceaSmatthias.ringwald * from this software without specific prior written permission. 166b64433eSmatthias.ringwald * 4. Any redistribution, use, or modification is done solely for 176b64433eSmatthias.ringwald * personal benefit and not for any commercial purpose or for 186b64433eSmatthias.ringwald * monetary gain. 191713bceaSmatthias.ringwald * 20a0c35809S[email protected] * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 211713bceaSmatthias.ringwald * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 221713bceaSmatthias.ringwald * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 231713bceaSmatthias.ringwald * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 241713bceaSmatthias.ringwald * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 251713bceaSmatthias.ringwald * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 261713bceaSmatthias.ringwald * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 271713bceaSmatthias.ringwald * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 281713bceaSmatthias.ringwald * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 291713bceaSmatthias.ringwald * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 301713bceaSmatthias.ringwald * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311713bceaSmatthias.ringwald * SUCH DAMAGE. 321713bceaSmatthias.ringwald * 33a0c35809S[email protected] * Please inquire about commercial licensing options at 34a0c35809S[email protected] * [email protected] 356b64433eSmatthias.ringwald * 361713bceaSmatthias.ringwald */ 371713bceaSmatthias.ringwald 38ab2c6ae4SMatthias Ringwald #define __BTSTACK_FILE__ "hci.c" 39ab2c6ae4SMatthias Ringwald 401713bceaSmatthias.ringwald /* 411f504dbdSmatthias.ringwald * hci.c 421f504dbdSmatthias.ringwald * 431f504dbdSmatthias.ringwald * Created by Matthias Ringwald on 4/29/09. 441f504dbdSmatthias.ringwald * 451f504dbdSmatthias.ringwald */ 461f504dbdSmatthias.ringwald 477907f069SMatthias Ringwald #include "btstack_config.h" 4828171530Smatthias.ringwald 497f2435e6Smatthias.ringwald 5006b9e820SMatthias Ringwald #ifdef ENABLE_CLASSIC 51aec7654dSMatthias Ringwald #ifdef HAVE_EMBEDDED_TICK 528f2a52f4SMatthias Ringwald #include "btstack_run_loop_embedded.h" 53a484130cSMatthias Ringwald #endif 5406b9e820SMatthias Ringwald #endif 55a484130cSMatthias Ringwald 564a3574a1SMatthias Ringwald #ifdef HAVE_PLATFORM_IPHONE_OS 57d0b87befSMatthias Ringwald #include "../port/ios/src/btstack_control_iphone.h" 584a3574a1SMatthias Ringwald #endif 594a3574a1SMatthias Ringwald 60a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 61472a5742SMatthias Ringwald #include "gap.h" 6245c102fdSMatthias Ringwald #endif 6345c102fdSMatthias Ringwald 6493b8dc03Smatthias.ringwald #include <stdarg.h> 6593b8dc03Smatthias.ringwald #include <string.h> 6656fe0872Smatthias.ringwald #include <stdio.h> 675838a2edSMatthias Ringwald #include <inttypes.h> 687f2435e6Smatthias.ringwald 6916ece135SMatthias Ringwald #include "btstack_debug.h" 700e2df43fSMatthias Ringwald #include "btstack_event.h" 714a3574a1SMatthias Ringwald #include "btstack_linked_list.h" 724a3574a1SMatthias Ringwald #include "btstack_memory.h" 7361f37892SMatthias Ringwald #include "bluetooth_company_id.h" 741cfb383eSMatthias Ringwald #include "bluetooth_data_types.h" 754a3574a1SMatthias Ringwald #include "gap.h" 764a3574a1SMatthias Ringwald #include "hci.h" 774a3574a1SMatthias Ringwald #include "hci_cmd.h" 78d8905019Smatthias.ringwald #include "hci_dump.h" 791cfb383eSMatthias Ringwald #include "ad_parser.h" 8093b8dc03Smatthias.ringwald 812b838201SMatthias Ringwald #ifdef ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 822b838201SMatthias Ringwald #ifndef HCI_HOST_ACL_PACKET_NUM 832b838201SMatthias Ringwald #error "ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL requires to define HCI_HOST_ACL_PACKET_NUM" 842b838201SMatthias Ringwald #endif 852b838201SMatthias Ringwald #ifndef HCI_HOST_ACL_PACKET_LEN 862b838201SMatthias Ringwald #error "ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL requires to define HCI_HOST_ACL_PACKET_LEN" 872b838201SMatthias Ringwald #endif 882b838201SMatthias Ringwald #ifndef HCI_HOST_SCO_PACKET_NUM 892b838201SMatthias Ringwald #error "ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL requires to define HCI_HOST_SCO_PACKET_NUM" 902b838201SMatthias Ringwald #endif 912b838201SMatthias Ringwald #ifndef HCI_HOST_SCO_PACKET_LEN 922b838201SMatthias Ringwald #error "ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL requires to define HCI_HOST_SCO_PACKET_LEN" 932b838201SMatthias Ringwald #endif 942b838201SMatthias Ringwald #endif 951b0e3922Smatthias.ringwald 96169f8b28Smatthias.ringwald #define HCI_CONNECTION_TIMEOUT_MS 10000 97659d758cSMatthias Ringwald #define HCI_RESET_RESEND_TIMEOUT_MS 200 98ee091cf1Smatthias.ringwald 991cfb383eSMatthias Ringwald // Names are arbitrarily shortened to 32 bytes if not requested otherwise 1001cfb383eSMatthias Ringwald #ifndef GAP_INQUIRY_MAX_NAME_LEN 1011cfb383eSMatthias Ringwald #define GAP_INQUIRY_MAX_NAME_LEN 32 1021cfb383eSMatthias Ringwald #endif 1031cfb383eSMatthias Ringwald 104f5875de5SMatthias Ringwald // GAP inquiry state: 0 = off, 0x01 - 0x30 = requested duration, 0xfe = active, 0xff = stop requested 105f5875de5SMatthias Ringwald #define GAP_INQUIRY_DURATION_MIN 0x01 106f5875de5SMatthias Ringwald #define GAP_INQUIRY_DURATION_MAX 0x30 107f5875de5SMatthias Ringwald #define GAP_INQUIRY_STATE_ACTIVE 0x80 108f5875de5SMatthias Ringwald #define GAP_INQUIRY_STATE_IDLE 0 109f5875de5SMatthias Ringwald #define GAP_INQUIRY_STATE_W2_CANCEL 0x81 110f5875de5SMatthias Ringwald #define GAP_INQUIRY_STATE_W4_CANCELLED 0x82 111f5875de5SMatthias Ringwald 112b7f1ee76SMatthias Ringwald // GAP Remote Name Request 113b7f1ee76SMatthias Ringwald #define GAP_REMOTE_NAME_STATE_IDLE 0 114b7f1ee76SMatthias Ringwald #define GAP_REMOTE_NAME_STATE_W2_SEND 1 115b7f1ee76SMatthias Ringwald #define GAP_REMOTE_NAME_STATE_W4_COMPLETE 2 116b7f1ee76SMatthias Ringwald 1170a51f88bSMatthias Ringwald // GAP Pairing 1180a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_IDLE 0 1190a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_SEND_PIN 1 1200a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_SEND_PIN_NEGATIVE 2 1210a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_SEND_PASSKEY 3 1220a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_SEND_PASSKEY_NEGATIVE 4 1230a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_SEND_CONFIRMATION 5 1240a51f88bSMatthias Ringwald #define GAP_PAIRING_STATE_SEND_CONFIRMATION_NEGATIVE 6 1250a51f88bSMatthias Ringwald 1260a51f88bSMatthias Ringwald 127b83d5eabSMatthias Ringwald // prototypes 12835454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 129758b46ceSmatthias.ringwald static void hci_update_scan_enable(void); 13035454696SMatthias Ringwald static void hci_emit_discoverable_enabled(uint8_t enabled); 13135454696SMatthias Ringwald static int hci_local_ssp_activated(void); 13235454696SMatthias Ringwald static int hci_remote_ssp_supported(hci_con_handle_t con_handle); 13335454696SMatthias Ringwald static void hci_notify_if_sco_can_send_now(void); 13435454696SMatthias Ringwald static void hci_emit_connection_complete(bd_addr_t address, hci_con_handle_t con_handle, uint8_t status); 135a00031e2S[email protected] static gap_security_level_t gap_security_level_for_connection(hci_connection_t * connection); 13635454696SMatthias Ringwald static void hci_emit_security_level(hci_con_handle_t con_handle, gap_security_level_t level); 137ec820d77SMatthias Ringwald static void hci_connection_timeout_handler(btstack_timer_source_t *timer); 13896a45072S[email protected] static void hci_connection_timestamp(hci_connection_t *connection); 13952db98b2SMatthias Ringwald static void hci_emit_l2cap_check_timeout(hci_connection_t *conn); 1401cfb383eSMatthias Ringwald static void gap_inquiry_explode(uint8_t * packet); 14152db98b2SMatthias Ringwald #endif 1421cfb383eSMatthias Ringwald 1437586ee35S[email protected] static int hci_power_control_on(void); 1447586ee35S[email protected] static void hci_power_control_off(void); 1456da48142SSean Wilson static void hci_state_reset(void); 146fd43c0e0SMatthias Ringwald static void hci_emit_transport_packet_sent(void); 147fc64f94aSMatthias Ringwald static void hci_emit_disconnection_complete(hci_con_handle_t con_handle, uint8_t reason); 148b83d5eabSMatthias Ringwald static void hci_emit_nr_connections_changed(void); 149b83d5eabSMatthias Ringwald static void hci_emit_hci_open_failed(void); 150b83d5eabSMatthias Ringwald static void hci_emit_dedicated_bonding_result(bd_addr_t address, uint8_t status); 151b83d5eabSMatthias Ringwald static void hci_emit_event(uint8_t * event, uint16_t size, int dump); 152b83d5eabSMatthias Ringwald static void hci_emit_acl_packet(uint8_t * packet, uint16_t size); 15395d71764SMatthias Ringwald static void hci_run(void); 15495d71764SMatthias Ringwald static int hci_is_le_connection(hci_connection_t * connection); 15595d71764SMatthias Ringwald static int hci_number_free_acl_slots_for_connection_type( bd_addr_type_t address_type); 1565d509858SMatthias Ringwald 157a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 158e8c8828eSMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 15939677e66SMatthias Ringwald // called from test/ble_client/advertising_data_parser.c 160384b59deSMatthias Ringwald void le_handle_advertisement_report(uint8_t *packet, uint16_t size); 16142ff5ba1SMatthias Ringwald static void hci_remove_from_whitelist(bd_addr_type_t address_type, bd_addr_t address); 1629c77c9dbSMatthias Ringwald static hci_connection_t * gap_get_outgoing_connection(void); 1635d509858SMatthias Ringwald #endif 164d70217a2SMatthias Ringwald #endif 165758b46ceSmatthias.ringwald 16606b35ec0Smatthias.ringwald // the STACK is here 1673a9fb326S[email protected] #ifndef HAVE_MALLOC 1683a9fb326S[email protected] static hci_stack_t hci_stack_static; 1693a9fb326S[email protected] #endif 1703a9fb326S[email protected] static hci_stack_t * hci_stack = NULL; 17116833f0aSmatthias.ringwald 1721c9e5e9dSMatthias Ringwald #ifdef ENABLE_CLASSIC 17363168530SMatthias Ringwald // default name 17463168530SMatthias Ringwald static const char * default_classic_name = "BTstack 00:00:00:00:00:00"; 17563168530SMatthias Ringwald 17666fb9560S[email protected] // test helper 17766fb9560S[email protected] static uint8_t disable_l2cap_timeouts = 0; 1781c9e5e9dSMatthias Ringwald #endif 17966fb9560S[email protected] 18096a45072S[email protected] /** 18196a45072S[email protected] * create connection for given address 18296a45072S[email protected] * 18396a45072S[email protected] * @return connection OR NULL, if no memory left 18496a45072S[email protected] */ 18596a45072S[email protected] static hci_connection_t * create_connection_for_bd_addr_and_type(bd_addr_t addr, bd_addr_type_t addr_type){ 1861a06f663S[email protected] log_info("create_connection_for_addr %s, type %x", bd_addr_to_str(addr), addr_type); 187bb69aaaeS[email protected] hci_connection_t * conn = btstack_memory_hci_connection_get(); 18896a45072S[email protected] if (!conn) return NULL; 189c91d150bS[email protected] memset(conn, 0, sizeof(hci_connection_t)); 190058e3d6bSMatthias Ringwald bd_addr_copy(conn->address, addr); 19196a45072S[email protected] conn->address_type = addr_type; 19296a45072S[email protected] conn->con_handle = 0xffff; 19396a45072S[email protected] conn->authentication_flags = AUTH_FLAGS_NONE; 19496a45072S[email protected] conn->bonding_flags = 0; 19596a45072S[email protected] conn->requested_security_level = LEVEL_0; 19652db98b2SMatthias Ringwald #ifdef ENABLE_CLASSIC 19791a977e8SMatthias Ringwald btstack_run_loop_set_timer_handler(&conn->timeout, hci_connection_timeout_handler); 19891a977e8SMatthias Ringwald btstack_run_loop_set_timer_context(&conn->timeout, conn); 19996a45072S[email protected] hci_connection_timestamp(conn); 20052db98b2SMatthias Ringwald #endif 20196a45072S[email protected] conn->acl_recombination_length = 0; 20296a45072S[email protected] conn->acl_recombination_pos = 0; 20396a45072S[email protected] conn->num_acl_packets_sent = 0; 2041a06f663S[email protected] conn->num_sco_packets_sent = 0; 205da886c03S[email protected] conn->le_con_parameter_update_state = CON_PARAMETER_UPDATE_NONE; 206665d90f2SMatthias Ringwald btstack_linked_list_add(&hci_stack->connections, (btstack_linked_item_t *) conn); 20796a45072S[email protected] return conn; 20896a45072S[email protected] } 20966fb9560S[email protected] 210da886c03S[email protected] 211da886c03S[email protected] /** 212da886c03S[email protected] * get le connection parameter range 213da886c03S[email protected] * 214da886c03S[email protected] * @return le connection parameter range struct 215da886c03S[email protected] */ 2164ced4e8cSMatthias Ringwald void gap_get_connection_parameter_range(le_connection_parameter_range_t * range){ 2174ced4e8cSMatthias Ringwald *range = hci_stack->le_connection_parameter_range; 218da886c03S[email protected] } 219da886c03S[email protected] 220da886c03S[email protected] /** 221da886c03S[email protected] * set le connection parameter range 222da886c03S[email protected] * 223da886c03S[email protected] */ 224da886c03S[email protected] 2254ced4e8cSMatthias Ringwald void gap_set_connection_parameter_range(le_connection_parameter_range_t *range){ 2264ced4e8cSMatthias Ringwald hci_stack->le_connection_parameter_range = *range; 227da886c03S[email protected] } 228da886c03S[email protected] 229da886c03S[email protected] /** 23073cd8a2aSMatthias Ringwald * @brief Test if connection parameters are inside in existing rage 23173cd8a2aSMatthias Ringwald * @param conn_interval_min (unit: 1.25ms) 23273cd8a2aSMatthias Ringwald * @param conn_interval_max (unit: 1.25ms) 23373cd8a2aSMatthias Ringwald * @param conn_latency 23473cd8a2aSMatthias Ringwald * @param supervision_timeout (unit: 10ms) 23573cd8a2aSMatthias Ringwald * @returns 1 if included 23673cd8a2aSMatthias Ringwald */ 23773cd8a2aSMatthias Ringwald int gap_connection_parameter_range_included(le_connection_parameter_range_t * existing_range, uint16_t le_conn_interval_min, uint16_t le_conn_interval_max, uint16_t le_conn_latency, uint16_t le_supervision_timeout){ 23873cd8a2aSMatthias Ringwald if (le_conn_interval_min < existing_range->le_conn_interval_min) return 0; 23973cd8a2aSMatthias Ringwald if (le_conn_interval_max > existing_range->le_conn_interval_max) return 0; 24073cd8a2aSMatthias Ringwald 24173cd8a2aSMatthias Ringwald if (le_conn_latency < existing_range->le_conn_latency_min) return 0; 24273cd8a2aSMatthias Ringwald if (le_conn_latency > existing_range->le_conn_latency_max) return 0; 24373cd8a2aSMatthias Ringwald 24473cd8a2aSMatthias Ringwald if (le_supervision_timeout < existing_range->le_supervision_timeout_min) return 0; 24573cd8a2aSMatthias Ringwald if (le_supervision_timeout > existing_range->le_supervision_timeout_max) return 0; 24673cd8a2aSMatthias Ringwald 24773cd8a2aSMatthias Ringwald return 1; 24873cd8a2aSMatthias Ringwald } 24973cd8a2aSMatthias Ringwald 25073cd8a2aSMatthias Ringwald /** 2512b6ab3e6SMatthias Ringwald * @brief Set max number of connections in LE Peripheral role (if Bluetooth Controller supports it) 2522b6ab3e6SMatthias Ringwald * @note: default: 1 2532b6ab3e6SMatthias Ringwald * @param max_peripheral_connections 2542b6ab3e6SMatthias Ringwald */ 255d4e4907bSMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 2562b6ab3e6SMatthias Ringwald void gap_set_max_number_peripheral_connections(int max_peripheral_connections){ 2572b6ab3e6SMatthias Ringwald hci_stack->le_max_number_peripheral_connections = max_peripheral_connections; 2582b6ab3e6SMatthias Ringwald } 259d4e4907bSMatthias Ringwald #endif 2602b6ab3e6SMatthias Ringwald 2612b6ab3e6SMatthias Ringwald /** 262da886c03S[email protected] * get hci connections iterator 263da886c03S[email protected] * 264da886c03S[email protected] * @return hci connections iterator 265da886c03S[email protected] */ 266da886c03S[email protected] 267665d90f2SMatthias Ringwald void hci_connections_get_iterator(btstack_linked_list_iterator_t *it){ 268665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(it, &hci_stack->connections); 269da886c03S[email protected] } 270da886c03S[email protected] 27197addcc5Smatthias.ringwald /** 272ee091cf1Smatthias.ringwald * get connection for a given handle 273ee091cf1Smatthias.ringwald * 274ee091cf1Smatthias.ringwald * @return connection OR NULL, if not found 275ee091cf1Smatthias.ringwald */ 2765061f3afS[email protected] hci_connection_t * hci_connection_for_handle(hci_con_handle_t con_handle){ 277665d90f2SMatthias Ringwald btstack_linked_list_iterator_t it; 278665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->connections); 279665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 280665d90f2SMatthias Ringwald hci_connection_t * item = (hci_connection_t *) btstack_linked_list_iterator_next(&it); 2813ac2fe56S[email protected] if ( item->con_handle == con_handle ) { 282da886c03S[email protected] return item; 283ee091cf1Smatthias.ringwald } 284ee091cf1Smatthias.ringwald } 285ee091cf1Smatthias.ringwald return NULL; 286ee091cf1Smatthias.ringwald } 287ee091cf1Smatthias.ringwald 28896a45072S[email protected] /** 28996a45072S[email protected] * get connection for given address 29096a45072S[email protected] * 29196a45072S[email protected] * @return connection OR NULL, if not found 29296a45072S[email protected] */ 2932e77e513S[email protected] hci_connection_t * hci_connection_for_bd_addr_and_type(bd_addr_t addr, bd_addr_type_t addr_type){ 294665d90f2SMatthias Ringwald btstack_linked_list_iterator_t it; 295665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->connections); 296665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 297665d90f2SMatthias Ringwald hci_connection_t * connection = (hci_connection_t *) btstack_linked_list_iterator_next(&it); 29896a45072S[email protected] if (connection->address_type != addr_type) continue; 29996a45072S[email protected] if (memcmp(addr, connection->address, 6) != 0) continue; 30062bda3fbS[email protected] return connection; 30162bda3fbS[email protected] } 30262bda3fbS[email protected] return NULL; 30362bda3fbS[email protected] } 30462bda3fbS[email protected] 30552db98b2SMatthias Ringwald 30652db98b2SMatthias Ringwald #ifdef ENABLE_CLASSIC 30752db98b2SMatthias Ringwald 308ee752bb8SMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 309ee752bb8SMatthias Ringwald static int hci_number_sco_connections(void){ 310ee752bb8SMatthias Ringwald int connections = 0; 311ee752bb8SMatthias Ringwald btstack_linked_list_iterator_t it; 312ee752bb8SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->connections); 313ee752bb8SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 314ee752bb8SMatthias Ringwald hci_connection_t * connection = (hci_connection_t *) btstack_linked_list_iterator_next(&it); 315ee752bb8SMatthias Ringwald if (connection->address_type != BD_ADDR_TYPE_SCO) continue; 316ee752bb8SMatthias Ringwald connections++; 317ee752bb8SMatthias Ringwald } 318ee752bb8SMatthias Ringwald return connections; 319ee752bb8SMatthias Ringwald } 320ee752bb8SMatthias Ringwald #endif 321ee752bb8SMatthias Ringwald 322ec820d77SMatthias Ringwald static void hci_connection_timeout_handler(btstack_timer_source_t *timer){ 32391a977e8SMatthias Ringwald hci_connection_t * connection = (hci_connection_t *) btstack_run_loop_get_timer_context(timer); 324aec7654dSMatthias Ringwald #ifdef HAVE_EMBEDDED_TICK 325528a4a3bSMatthias Ringwald if (btstack_run_loop_embedded_get_ticks() > connection->timestamp + btstack_run_loop_embedded_ticks_for_ms(HCI_CONNECTION_TIMEOUT_MS)){ 326c785ef68Smatthias.ringwald // connections might be timed out 327c785ef68Smatthias.ringwald hci_emit_l2cap_check_timeout(connection); 328c785ef68Smatthias.ringwald } 329f316a845SMatthias Ringwald #else 330528a4a3bSMatthias Ringwald if (btstack_run_loop_get_time_ms() > connection->timestamp + HCI_CONNECTION_TIMEOUT_MS){ 3315f26aadcSMatthias Ringwald // connections might be timed out 3325f26aadcSMatthias Ringwald hci_emit_l2cap_check_timeout(connection); 3335f26aadcSMatthias Ringwald } 3345f26aadcSMatthias Ringwald #endif 335c785ef68Smatthias.ringwald } 336ee091cf1Smatthias.ringwald 337ee091cf1Smatthias.ringwald static void hci_connection_timestamp(hci_connection_t *connection){ 338aec7654dSMatthias Ringwald #ifdef HAVE_EMBEDDED_TICK 339528a4a3bSMatthias Ringwald connection->timestamp = btstack_run_loop_embedded_get_ticks(); 340f316a845SMatthias Ringwald #else 341528a4a3bSMatthias Ringwald connection->timestamp = btstack_run_loop_get_time_ms(); 3425f26aadcSMatthias Ringwald #endif 343ee091cf1Smatthias.ringwald } 344ee091cf1Smatthias.ringwald 34528ca2b46S[email protected] inline static void connectionSetAuthenticationFlags(hci_connection_t * conn, hci_authentication_flags_t flags){ 34628ca2b46S[email protected] conn->authentication_flags = (hci_authentication_flags_t)(conn->authentication_flags | flags); 34728ca2b46S[email protected] } 34828ca2b46S[email protected] 34935454696SMatthias Ringwald 35028ca2b46S[email protected] inline static void connectionClearAuthenticationFlags(hci_connection_t * conn, hci_authentication_flags_t flags){ 35128ca2b46S[email protected] conn->authentication_flags = (hci_authentication_flags_t)(conn->authentication_flags & ~flags); 35228ca2b46S[email protected] } 35328ca2b46S[email protected] 35443bfb1bdSmatthias.ringwald /** 35580ca58a0Smatthias.ringwald * add authentication flags and reset timer 35696a45072S[email protected] * @note: assumes classic connection 3572e77e513S[email protected] * @note: bd_addr is passed in as litle endian uint8_t * as it is called from parsing packets 3587fde4af9Smatthias.ringwald */ 3597fde4af9Smatthias.ringwald static void hci_add_connection_flags_for_flipped_bd_addr(uint8_t *bd_addr, hci_authentication_flags_t flags){ 3607fde4af9Smatthias.ringwald bd_addr_t addr; 361724d70a2SMatthias Ringwald reverse_bd_addr(bd_addr, addr); 3622e77e513S[email protected] hci_connection_t * conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_CLASSIC); 3637fde4af9Smatthias.ringwald if (conn) { 36428ca2b46S[email protected] connectionSetAuthenticationFlags(conn, flags); 36580ca58a0Smatthias.ringwald hci_connection_timestamp(conn); 3667fde4af9Smatthias.ringwald } 3677fde4af9Smatthias.ringwald } 3687fde4af9Smatthias.ringwald 36980ca58a0Smatthias.ringwald int hci_authentication_active_for_handle(hci_con_handle_t handle){ 3705061f3afS[email protected] hci_connection_t * conn = hci_connection_for_handle(handle); 37180ca58a0Smatthias.ringwald if (!conn) return 0; 3726724cd9eS[email protected] if (conn->authentication_flags & LEGACY_PAIRING_ACTIVE) return 1; 3736724cd9eS[email protected] if (conn->authentication_flags & SSP_PAIRING_ACTIVE) return 1; 3746724cd9eS[email protected] return 0; 37580ca58a0Smatthias.ringwald } 37680ca58a0Smatthias.ringwald 37715a95bd5SMatthias Ringwald void gap_drop_link_key_for_bd_addr(bd_addr_t addr){ 37855597469SMatthias Ringwald if (!hci_stack->link_key_db) return; 3792bacf595SMatthias Ringwald log_info("gap_drop_link_key_for_bd_addr: %s", bd_addr_to_str(addr)); 380a98592bcSMatthias Ringwald hci_stack->link_key_db->delete_link_key(addr); 381c12e46e7Smatthias.ringwald } 38255597469SMatthias Ringwald 38355597469SMatthias Ringwald void gap_store_link_key_for_bd_addr(bd_addr_t addr, link_key_t link_key, link_key_type_t type){ 38455597469SMatthias Ringwald if (!hci_stack->link_key_db) return; 3852bacf595SMatthias Ringwald log_info("gap_store_link_key_for_bd_addr: %s, type %u", bd_addr_to_str(addr), type); 38655597469SMatthias Ringwald hci_stack->link_key_db->put_link_key(addr, link_key, type); 387c12e46e7Smatthias.ringwald } 3881b6fb31bSMatthias Ringwald 389ceecb9d9SMatthias Ringwald void gap_delete_all_link_keys(void){ 390ceecb9d9SMatthias Ringwald bd_addr_t addr; 391ceecb9d9SMatthias Ringwald link_key_t link_key; 392ceecb9d9SMatthias Ringwald link_key_type_t type; 393ceecb9d9SMatthias Ringwald btstack_link_key_iterator_t it; 394ceecb9d9SMatthias Ringwald int ok = gap_link_key_iterator_init(&it); 395ceecb9d9SMatthias Ringwald if (!ok) { 396ceecb9d9SMatthias Ringwald log_error("could not initialize iterator"); 397ceecb9d9SMatthias Ringwald return; 398ceecb9d9SMatthias Ringwald } 399ceecb9d9SMatthias Ringwald while (gap_link_key_iterator_get_next(&it, addr, link_key, &type)){ 400ceecb9d9SMatthias Ringwald gap_drop_link_key_for_bd_addr(addr); 401ceecb9d9SMatthias Ringwald } 402ceecb9d9SMatthias Ringwald gap_link_key_iterator_done(&it); 403ceecb9d9SMatthias Ringwald } 404ceecb9d9SMatthias Ringwald 4051b6fb31bSMatthias Ringwald int gap_link_key_iterator_init(btstack_link_key_iterator_t * it){ 4061b6fb31bSMatthias Ringwald if (!hci_stack->link_key_db) return 0; 4071b6fb31bSMatthias Ringwald if (!hci_stack->link_key_db->iterator_init) return 0; 4081b6fb31bSMatthias Ringwald return hci_stack->link_key_db->iterator_init(it); 4091b6fb31bSMatthias Ringwald } 4101b6fb31bSMatthias Ringwald int gap_link_key_iterator_get_next(btstack_link_key_iterator_t * it, bd_addr_t bd_addr, link_key_t link_key, link_key_type_t * type){ 4111b6fb31bSMatthias Ringwald if (!hci_stack->link_key_db) return 0; 4121b6fb31bSMatthias Ringwald return hci_stack->link_key_db->iterator_get_next(it, bd_addr, link_key, type); 4131b6fb31bSMatthias Ringwald } 4141b6fb31bSMatthias Ringwald void gap_link_key_iterator_done(btstack_link_key_iterator_t * it){ 4151b6fb31bSMatthias Ringwald if (!hci_stack->link_key_db) return; 4161b6fb31bSMatthias Ringwald hci_stack->link_key_db->iterator_done(it); 4171b6fb31bSMatthias Ringwald } 41835454696SMatthias Ringwald #endif 419c12e46e7Smatthias.ringwald 42095d71764SMatthias Ringwald static int hci_is_le_connection(hci_connection_t * connection){ 4210bf6344aS[email protected] return connection->address_type == BD_ADDR_TYPE_LE_PUBLIC || 4220bf6344aS[email protected] connection->address_type == BD_ADDR_TYPE_LE_RANDOM; 4230bf6344aS[email protected] } 4240bf6344aS[email protected] 4257fde4af9Smatthias.ringwald /** 42643bfb1bdSmatthias.ringwald * count connections 42743bfb1bdSmatthias.ringwald */ 42840d1c7a4Smatthias.ringwald static int nr_hci_connections(void){ 42956c253c9Smatthias.ringwald int count = 0; 430665d90f2SMatthias Ringwald btstack_linked_item_t *it; 431665d90f2SMatthias Ringwald for (it = (btstack_linked_item_t *) hci_stack->connections; it ; it = it->next, count++); 43243bfb1bdSmatthias.ringwald return count; 43343bfb1bdSmatthias.ringwald } 434c8e4258aSmatthias.ringwald 43595d71764SMatthias Ringwald static int hci_number_free_acl_slots_for_connection_type(bd_addr_type_t address_type){ 436ee303eddS[email protected] 437f04a0c31SMatthias Ringwald unsigned int num_packets_sent_classic = 0; 438f04a0c31SMatthias Ringwald unsigned int num_packets_sent_le = 0; 439ee303eddS[email protected] 440665d90f2SMatthias Ringwald btstack_linked_item_t *it; 441665d90f2SMatthias Ringwald for (it = (btstack_linked_item_t *) hci_stack->connections; it ; it = it->next){ 442998906cdSmatthias.ringwald hci_connection_t * connection = (hci_connection_t *) it; 443ee303eddS[email protected] if (connection->address_type == BD_ADDR_TYPE_CLASSIC){ 444ee303eddS[email protected] num_packets_sent_classic += connection->num_acl_packets_sent; 445ee303eddS[email protected] } else { 446ee303eddS[email protected] num_packets_sent_le += connection->num_acl_packets_sent; 447ee303eddS[email protected] } 448ee303eddS[email protected] } 449d999b54eSMatthias Ringwald log_debug("ACL classic buffers: %u used of %u", num_packets_sent_classic, hci_stack->acl_packets_total_num); 450ee303eddS[email protected] int free_slots_classic = hci_stack->acl_packets_total_num - num_packets_sent_classic; 451ee303eddS[email protected] int free_slots_le = 0; 452ee303eddS[email protected] 453ee303eddS[email protected] if (free_slots_classic < 0){ 4549da54300S[email protected] log_error("hci_number_free_acl_slots: outgoing classic packets (%u) > total classic packets (%u)", num_packets_sent_classic, hci_stack->acl_packets_total_num); 455998906cdSmatthias.ringwald return 0; 456998906cdSmatthias.ringwald } 457ee303eddS[email protected] 458ee303eddS[email protected] if (hci_stack->le_acl_packets_total_num){ 459ee303eddS[email protected] // if we have LE slots, they are used 460ee303eddS[email protected] free_slots_le = hci_stack->le_acl_packets_total_num - num_packets_sent_le; 461ee303eddS[email protected] if (free_slots_le < 0){ 4629da54300S[email protected] log_error("hci_number_free_acl_slots: outgoing le packets (%u) > total le packets (%u)", num_packets_sent_le, hci_stack->le_acl_packets_total_num); 463ee303eddS[email protected] return 0; 464998906cdSmatthias.ringwald } 465ee303eddS[email protected] } else { 466ee303eddS[email protected] // otherwise, classic slots are used for LE, too 467ee303eddS[email protected] free_slots_classic -= num_packets_sent_le; 468ee303eddS[email protected] if (free_slots_classic < 0){ 4699da54300S[email protected] log_error("hci_number_free_acl_slots: outgoing classic + le packets (%u + %u) > total packets (%u)", num_packets_sent_classic, num_packets_sent_le, hci_stack->acl_packets_total_num); 470ee303eddS[email protected] return 0; 471ee303eddS[email protected] } 472ee303eddS[email protected] } 473ee303eddS[email protected] 474ee303eddS[email protected] switch (address_type){ 475ee303eddS[email protected] case BD_ADDR_TYPE_UNKNOWN: 4762125de09SMatthias Ringwald log_error("hci_number_free_acl_slots: unknown address type"); 477ee303eddS[email protected] return 0; 478ee303eddS[email protected] 479ee303eddS[email protected] case BD_ADDR_TYPE_CLASSIC: 480ee303eddS[email protected] return free_slots_classic; 481ee303eddS[email protected] 482ee303eddS[email protected] default: 483cb00d3aaS[email protected] if (hci_stack->le_acl_packets_total_num){ 484ee303eddS[email protected] return free_slots_le; 485ee303eddS[email protected] } 486cb00d3aaS[email protected] return free_slots_classic; 487cb00d3aaS[email protected] } 488998906cdSmatthias.ringwald } 489998906cdSmatthias.ringwald 4902125de09SMatthias Ringwald int hci_number_free_acl_slots_for_handle(hci_con_handle_t con_handle){ 4912125de09SMatthias Ringwald // get connection type 4922125de09SMatthias Ringwald hci_connection_t * connection = hci_connection_for_handle(con_handle); 4932125de09SMatthias Ringwald if (!connection){ 4942125de09SMatthias Ringwald log_error("hci_number_free_acl_slots: handle 0x%04x not in connection list", con_handle); 4952125de09SMatthias Ringwald return 0; 4962125de09SMatthias Ringwald } 4972125de09SMatthias Ringwald return hci_number_free_acl_slots_for_connection_type(connection->address_type); 4982125de09SMatthias Ringwald } 4992125de09SMatthias Ringwald 50035454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 501701e3307SMatthias Ringwald static int hci_number_free_sco_slots(void){ 502f04a0c31SMatthias Ringwald unsigned int num_sco_packets_sent = 0; 503665d90f2SMatthias Ringwald btstack_linked_item_t *it; 504665d90f2SMatthias Ringwald for (it = (btstack_linked_item_t *) hci_stack->connections; it ; it = it->next){ 505e35edcc1S[email protected] hci_connection_t * connection = (hci_connection_t *) it; 506e35edcc1S[email protected] num_sco_packets_sent += connection->num_sco_packets_sent; 507e35edcc1S[email protected] } 508e35edcc1S[email protected] if (num_sco_packets_sent > hci_stack->sco_packets_total_num){ 509701e3307SMatthias Ringwald log_info("hci_number_free_sco_slots:packets (%u) > total packets (%u)", num_sco_packets_sent, hci_stack->sco_packets_total_num); 51044d0e3d5S[email protected] return 0; 51144d0e3d5S[email protected] } 512701e3307SMatthias Ringwald // log_info("hci_number_free_sco_slots u", handle, num_sco_packets_sent); 513e35edcc1S[email protected] return hci_stack->sco_packets_total_num - num_sco_packets_sent; 514e35edcc1S[email protected] } 51535454696SMatthias Ringwald #endif 51644d0e3d5S[email protected] 5172b838201SMatthias Ringwald // only used to send HCI Host Number Completed Packets 5182b838201SMatthias Ringwald static int hci_can_send_comand_packet_transport(void){ 519ac928cc2S[email protected] if (hci_stack->hci_packet_buffer_reserved) return 0; 520ac928cc2S[email protected] 521ac928cc2S[email protected] // check for async hci transport implementations 522ac928cc2S[email protected] if (hci_stack->hci_transport->can_send_packet_now){ 523ac928cc2S[email protected] if (!hci_stack->hci_transport->can_send_packet_now(HCI_COMMAND_DATA_PACKET)){ 524ac928cc2S[email protected] return 0; 525ac928cc2S[email protected] } 526ac928cc2S[email protected] } 5272b838201SMatthias Ringwald return 1; 5282b838201SMatthias Ringwald } 529ac928cc2S[email protected] 5302b838201SMatthias Ringwald // new functions replacing hci_can_send_packet_now[_using_packet_buffer] 5312b838201SMatthias Ringwald int hci_can_send_command_packet_now(void){ 5322b838201SMatthias Ringwald if (hci_can_send_comand_packet_transport() == 0) return 0; 533ac928cc2S[email protected] return hci_stack->num_cmd_packets > 0; 534ac928cc2S[email protected] } 535ac928cc2S[email protected] 5369d04d3a7SMatthias Ringwald static int hci_transport_can_send_prepared_packet_now(uint8_t packet_type){ 537ac928cc2S[email protected] // check for async hci transport implementations 5389d04d3a7SMatthias Ringwald if (!hci_stack->hci_transport->can_send_packet_now) return 1; 5399d04d3a7SMatthias Ringwald return hci_stack->hci_transport->can_send_packet_now(packet_type); 540ac928cc2S[email protected] } 5419d04d3a7SMatthias Ringwald 5429d04d3a7SMatthias Ringwald static int hci_can_send_prepared_acl_packet_for_address_type(bd_addr_type_t address_type){ 5439d04d3a7SMatthias Ringwald if (!hci_transport_can_send_prepared_packet_now(HCI_ACL_DATA_PACKET)) return 0; 5449d04d3a7SMatthias Ringwald return hci_number_free_acl_slots_for_connection_type(address_type) > 0; 545ac928cc2S[email protected] } 5469d04d3a7SMatthias Ringwald 5479d04d3a7SMatthias Ringwald int hci_can_send_acl_le_packet_now(void){ 5489d04d3a7SMatthias Ringwald if (hci_stack->hci_packet_buffer_reserved) return 0; 5499d04d3a7SMatthias Ringwald return hci_can_send_prepared_acl_packet_for_address_type(BD_ADDR_TYPE_LE_PUBLIC); 5509d04d3a7SMatthias Ringwald } 5519d04d3a7SMatthias Ringwald 5529d04d3a7SMatthias Ringwald int hci_can_send_prepared_acl_packet_now(hci_con_handle_t con_handle) { 5539d04d3a7SMatthias Ringwald if (!hci_transport_can_send_prepared_packet_now(HCI_ACL_DATA_PACKET)) return 0; 554e79abdd6S[email protected] return hci_number_free_acl_slots_for_handle(con_handle) > 0; 555ac928cc2S[email protected] } 556ac928cc2S[email protected] 557ac928cc2S[email protected] int hci_can_send_acl_packet_now(hci_con_handle_t con_handle){ 558ac928cc2S[email protected] if (hci_stack->hci_packet_buffer_reserved) return 0; 559ac928cc2S[email protected] return hci_can_send_prepared_acl_packet_now(con_handle); 5606b4af23dS[email protected] } 5616b4af23dS[email protected] 56235454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 56335454696SMatthias Ringwald int hci_can_send_acl_classic_packet_now(void){ 56435454696SMatthias Ringwald if (hci_stack->hci_packet_buffer_reserved) return 0; 56535454696SMatthias Ringwald return hci_can_send_prepared_acl_packet_for_address_type(BD_ADDR_TYPE_CLASSIC); 56635454696SMatthias Ringwald } 56735454696SMatthias Ringwald 568701e3307SMatthias Ringwald int hci_can_send_prepared_sco_packet_now(void){ 569d057580eSMatthias Ringwald if (!hci_transport_can_send_prepared_packet_now(HCI_SCO_DATA_PACKET)) return 0; 570ed361f5fSMatthias Ringwald if (!hci_stack->synchronous_flow_control_enabled) return 1; 571701e3307SMatthias Ringwald return hci_number_free_sco_slots() > 0; 57244d0e3d5S[email protected] } 57344d0e3d5S[email protected] 574701e3307SMatthias Ringwald int hci_can_send_sco_packet_now(void){ 575d057580eSMatthias Ringwald if (hci_stack->hci_packet_buffer_reserved) return 0; 576701e3307SMatthias Ringwald return hci_can_send_prepared_sco_packet_now(); 57744d0e3d5S[email protected] } 57844d0e3d5S[email protected] 579d057580eSMatthias Ringwald void hci_request_sco_can_send_now_event(void){ 580d057580eSMatthias Ringwald hci_stack->sco_waiting_for_can_send_now = 1; 581d057580eSMatthias Ringwald hci_notify_if_sco_can_send_now(); 582d057580eSMatthias Ringwald } 58335454696SMatthias Ringwald #endif 584d057580eSMatthias Ringwald 58595d71764SMatthias Ringwald // used for internal checks in l2cap.c 586c8b9416aS[email protected] int hci_is_packet_buffer_reserved(void){ 587c8b9416aS[email protected] return hci_stack->hci_packet_buffer_reserved; 588c8b9416aS[email protected] } 589c8b9416aS[email protected] 5906b4af23dS[email protected] // reserves outgoing packet buffer. @returns 1 if successful 5916b4af23dS[email protected] int hci_reserve_packet_buffer(void){ 5929d14b626S[email protected] if (hci_stack->hci_packet_buffer_reserved) { 5939d14b626S[email protected] log_error("hci_reserve_packet_buffer called but buffer already reserved"); 5949d14b626S[email protected] return 0; 5959d14b626S[email protected] } 5966b4af23dS[email protected] hci_stack->hci_packet_buffer_reserved = 1; 5976b4af23dS[email protected] return 1; 5986b4af23dS[email protected] } 5996b4af23dS[email protected] 60068a0fcf7S[email protected] void hci_release_packet_buffer(void){ 60168a0fcf7S[email protected] hci_stack->hci_packet_buffer_reserved = 0; 60268a0fcf7S[email protected] } 60368a0fcf7S[email protected] 6046b4af23dS[email protected] // assumption: synchronous implementations don't provide can_send_packet_now as they don't keep the buffer after the call 6057f02f414SMatthias Ringwald static int hci_transport_synchronous(void){ 6066b4af23dS[email protected] return hci_stack->hci_transport->can_send_packet_now == NULL; 6076b4af23dS[email protected] } 6086b4af23dS[email protected] 609452cf3bbS[email protected] static int hci_send_acl_packet_fragments(hci_connection_t *connection){ 610452cf3bbS[email protected] 611452cf3bbS[email protected] // log_info("hci_send_acl_packet_fragments %u/%u (con 0x%04x)", hci_stack->acl_fragmentation_pos, hci_stack->acl_fragmentation_total_size, connection->con_handle); 612452cf3bbS[email protected] 613452cf3bbS[email protected] // max ACL data packet length depends on connection type (LE vs. Classic) and available buffers 614452cf3bbS[email protected] uint16_t max_acl_data_packet_length = hci_stack->acl_data_packet_length; 615452cf3bbS[email protected] if (hci_is_le_connection(connection) && hci_stack->le_data_packets_length > 0){ 616452cf3bbS[email protected] max_acl_data_packet_length = hci_stack->le_data_packets_length; 617452cf3bbS[email protected] } 618452cf3bbS[email protected] 619452cf3bbS[email protected] // testing: reduce buffer to minimum 620452cf3bbS[email protected] // max_acl_data_packet_length = 52; 621452cf3bbS[email protected] 622d999b54eSMatthias Ringwald log_debug("hci_send_acl_packet_fragments entered"); 623d999b54eSMatthias Ringwald 624452cf3bbS[email protected] int err; 625452cf3bbS[email protected] // multiple packets could be send on a synchronous HCI transport 626452cf3bbS[email protected] while (1){ 627452cf3bbS[email protected] 628d999b54eSMatthias Ringwald log_debug("hci_send_acl_packet_fragments loop entered"); 629d999b54eSMatthias Ringwald 630452cf3bbS[email protected] // get current data 631452cf3bbS[email protected] const uint16_t acl_header_pos = hci_stack->acl_fragmentation_pos - 4; 632452cf3bbS[email protected] int current_acl_data_packet_length = hci_stack->acl_fragmentation_total_size - hci_stack->acl_fragmentation_pos; 633452cf3bbS[email protected] int more_fragments = 0; 634452cf3bbS[email protected] 635452cf3bbS[email protected] // if ACL packet is larger than Bluetooth packet buffer, only send max_acl_data_packet_length 636452cf3bbS[email protected] if (current_acl_data_packet_length > max_acl_data_packet_length){ 637452cf3bbS[email protected] more_fragments = 1; 638452cf3bbS[email protected] current_acl_data_packet_length = max_acl_data_packet_length; 639452cf3bbS[email protected] } 640452cf3bbS[email protected] 641452cf3bbS[email protected] // copy handle_and_flags if not first fragment and update packet boundary flags to be 01 (continuing fragmnent) 642452cf3bbS[email protected] if (acl_header_pos > 0){ 643f8fbdce0SMatthias Ringwald uint16_t handle_and_flags = little_endian_read_16(hci_stack->hci_packet_buffer, 0); 644452cf3bbS[email protected] handle_and_flags = (handle_and_flags & 0xcfff) | (1 << 12); 645f8fbdce0SMatthias Ringwald little_endian_store_16(hci_stack->hci_packet_buffer, acl_header_pos, handle_and_flags); 646452cf3bbS[email protected] } 647452cf3bbS[email protected] 648452cf3bbS[email protected] // update header len 649f8fbdce0SMatthias Ringwald little_endian_store_16(hci_stack->hci_packet_buffer, acl_header_pos + 2, current_acl_data_packet_length); 650452cf3bbS[email protected] 651452cf3bbS[email protected] // count packet 652452cf3bbS[email protected] connection->num_acl_packets_sent++; 653f04a0c31SMatthias Ringwald log_debug("hci_send_acl_packet_fragments loop before send (more fragments %d)", more_fragments); 654d999b54eSMatthias Ringwald 655d999b54eSMatthias Ringwald // update state for next fragment (if any) as "transport done" might be sent during send_packet already 656d999b54eSMatthias Ringwald if (more_fragments){ 657d999b54eSMatthias Ringwald // update start of next fragment to send 658d999b54eSMatthias Ringwald hci_stack->acl_fragmentation_pos += current_acl_data_packet_length; 659d999b54eSMatthias Ringwald } else { 660d999b54eSMatthias Ringwald // done 661d999b54eSMatthias Ringwald hci_stack->acl_fragmentation_pos = 0; 662d999b54eSMatthias Ringwald hci_stack->acl_fragmentation_total_size = 0; 663d999b54eSMatthias Ringwald } 664452cf3bbS[email protected] 665452cf3bbS[email protected] // send packet 666452cf3bbS[email protected] uint8_t * packet = &hci_stack->hci_packet_buffer[acl_header_pos]; 667452cf3bbS[email protected] const int size = current_acl_data_packet_length + 4; 6685bb5bc3eS[email protected] hci_dump_packet(HCI_ACL_DATA_PACKET, 0, packet, size); 669452cf3bbS[email protected] err = hci_stack->hci_transport->send_packet(HCI_ACL_DATA_PACKET, packet, size); 670452cf3bbS[email protected] 671f04a0c31SMatthias Ringwald log_debug("hci_send_acl_packet_fragments loop after send (more fragments %d)", more_fragments); 672d999b54eSMatthias Ringwald 673452cf3bbS[email protected] // done yet? 674452cf3bbS[email protected] if (!more_fragments) break; 675452cf3bbS[email protected] 676452cf3bbS[email protected] // can send more? 677452cf3bbS[email protected] if (!hci_can_send_prepared_acl_packet_now(connection->con_handle)) return err; 678452cf3bbS[email protected] } 679452cf3bbS[email protected] 680d999b54eSMatthias Ringwald log_debug("hci_send_acl_packet_fragments loop over"); 681452cf3bbS[email protected] 682d051460cS[email protected] // release buffer now for synchronous transport 683203bace6S[email protected] if (hci_transport_synchronous()){ 684452cf3bbS[email protected] hci_release_packet_buffer(); 685fd43c0e0SMatthias Ringwald hci_emit_transport_packet_sent(); 686452cf3bbS[email protected] } 687452cf3bbS[email protected] 688452cf3bbS[email protected] return err; 689452cf3bbS[email protected] } 690452cf3bbS[email protected] 691826f7347S[email protected] // pre: caller has reserved the packet buffer 692826f7347S[email protected] int hci_send_acl_packet_buffer(int size){ 6937856c818Smatthias.ringwald 694452cf3bbS[email protected] // log_info("hci_send_acl_packet_buffer size %u", size); 695452cf3bbS[email protected] 696826f7347S[email protected] if (!hci_stack->hci_packet_buffer_reserved) { 697826f7347S[email protected] log_error("hci_send_acl_packet_buffer called without reserving packet buffer"); 698826f7347S[email protected] return 0; 699826f7347S[email protected] } 700826f7347S[email protected] 701d713a683S[email protected] uint8_t * packet = hci_stack->hci_packet_buffer; 702d713a683S[email protected] hci_con_handle_t con_handle = READ_ACL_CONNECTION_HANDLE(packet); 703d713a683S[email protected] 704826f7347S[email protected] // check for free places on Bluetooth module 705d713a683S[email protected] if (!hci_can_send_prepared_acl_packet_now(con_handle)) { 706826f7347S[email protected] log_error("hci_send_acl_packet_buffer called but no free ACL buffers on controller"); 70797b61c7bS[email protected] hci_release_packet_buffer(); 708068b8592SMatthias Ringwald hci_emit_transport_packet_sent(); 70997b61c7bS[email protected] return BTSTACK_ACL_BUFFERS_FULL; 71097b61c7bS[email protected] } 7116218e6f1Smatthias.ringwald 7125061f3afS[email protected] hci_connection_t *connection = hci_connection_for_handle( con_handle); 71397b61c7bS[email protected] if (!connection) { 7145fa0b7cfS[email protected] log_error("hci_send_acl_packet_buffer called but no connection for handle 0x%04x", con_handle); 71597b61c7bS[email protected] hci_release_packet_buffer(); 716068b8592SMatthias Ringwald hci_emit_transport_packet_sent(); 71797b61c7bS[email protected] return 0; 71897b61c7bS[email protected] } 71952db98b2SMatthias Ringwald 72052db98b2SMatthias Ringwald #ifdef ENABLE_CLASSIC 72156cf178bSmatthias.ringwald hci_connection_timestamp(connection); 72252db98b2SMatthias Ringwald #endif 72356cf178bSmatthias.ringwald 724452cf3bbS[email protected] // hci_dump_packet( HCI_ACL_DATA_PACKET, 0, packet, size); 7257856c818Smatthias.ringwald 726452cf3bbS[email protected] // setup data 727452cf3bbS[email protected] hci_stack->acl_fragmentation_total_size = size; 728452cf3bbS[email protected] hci_stack->acl_fragmentation_pos = 4; // start of L2CAP packet 7296218e6f1Smatthias.ringwald 730452cf3bbS[email protected] return hci_send_acl_packet_fragments(connection); 731ee091cf1Smatthias.ringwald } 732ee091cf1Smatthias.ringwald 73335454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 73444d0e3d5S[email protected] // pre: caller has reserved the packet buffer 73544d0e3d5S[email protected] int hci_send_sco_packet_buffer(int size){ 73644d0e3d5S[email protected] 73744d0e3d5S[email protected] // log_info("hci_send_acl_packet_buffer size %u", size); 73844d0e3d5S[email protected] 73944d0e3d5S[email protected] if (!hci_stack->hci_packet_buffer_reserved) { 74044d0e3d5S[email protected] log_error("hci_send_acl_packet_buffer called without reserving packet buffer"); 74144d0e3d5S[email protected] return 0; 74244d0e3d5S[email protected] } 74344d0e3d5S[email protected] 74444d0e3d5S[email protected] uint8_t * packet = hci_stack->hci_packet_buffer; 7454b3e1e19SMatthias Ringwald 7464b3e1e19SMatthias Ringwald // skip checks in loopback mode 7474b3e1e19SMatthias Ringwald if (!hci_stack->loopback_mode){ 74844d0e3d5S[email protected] hci_con_handle_t con_handle = READ_ACL_CONNECTION_HANDLE(packet); // same for ACL and SCO 74944d0e3d5S[email protected] 75044d0e3d5S[email protected] // check for free places on Bluetooth module 751701e3307SMatthias Ringwald if (!hci_can_send_prepared_sco_packet_now()) { 75244d0e3d5S[email protected] log_error("hci_send_sco_packet_buffer called but no free ACL buffers on controller"); 75344d0e3d5S[email protected] hci_release_packet_buffer(); 754068b8592SMatthias Ringwald hci_emit_transport_packet_sent(); 75544d0e3d5S[email protected] return BTSTACK_ACL_BUFFERS_FULL; 75644d0e3d5S[email protected] } 75744d0e3d5S[email protected] 758e35edcc1S[email protected] // track send packet in connection struct 759e35edcc1S[email protected] hci_connection_t *connection = hci_connection_for_handle( con_handle); 760e35edcc1S[email protected] if (!connection) { 761e35edcc1S[email protected] log_error("hci_send_sco_packet_buffer called but no connection for handle 0x%04x", con_handle); 762e35edcc1S[email protected] hci_release_packet_buffer(); 763068b8592SMatthias Ringwald hci_emit_transport_packet_sent(); 764e35edcc1S[email protected] return 0; 765e35edcc1S[email protected] } 766e35edcc1S[email protected] connection->num_sco_packets_sent++; 7674b3e1e19SMatthias Ringwald } 76844d0e3d5S[email protected] 76944d0e3d5S[email protected] hci_dump_packet( HCI_SCO_DATA_PACKET, 0, packet, size); 770543e835cSMatthias Ringwald int err = hci_stack->hci_transport->send_packet(HCI_SCO_DATA_PACKET, packet, size); 771543e835cSMatthias Ringwald 772543e835cSMatthias Ringwald if (hci_transport_synchronous()){ 773543e835cSMatthias Ringwald hci_release_packet_buffer(); 774fd43c0e0SMatthias Ringwald hci_emit_transport_packet_sent(); 775543e835cSMatthias Ringwald } 776543e835cSMatthias Ringwald 777543e835cSMatthias Ringwald return err; 77844d0e3d5S[email protected] } 77935454696SMatthias Ringwald #endif 78044d0e3d5S[email protected] 78116833f0aSmatthias.ringwald static void acl_handler(uint8_t *packet, int size){ 7827856c818Smatthias.ringwald 783e76a89eeS[email protected] // log_info("acl_handler: size %u", size); 784e76a89eeS[email protected] 7857856c818Smatthias.ringwald // get info 7867856c818Smatthias.ringwald hci_con_handle_t con_handle = READ_ACL_CONNECTION_HANDLE(packet); 7875061f3afS[email protected] hci_connection_t *conn = hci_connection_for_handle(con_handle); 7887856c818Smatthias.ringwald uint8_t acl_flags = READ_ACL_FLAGS(packet); 7897856c818Smatthias.ringwald uint16_t acl_length = READ_ACL_LENGTH(packet); 7907856c818Smatthias.ringwald 7917856c818Smatthias.ringwald // ignore non-registered handle 7927856c818Smatthias.ringwald if (!conn){ 7939da54300S[email protected] log_error( "hci.c: acl_handler called with non-registered handle %u!" , con_handle); 7947856c818Smatthias.ringwald return; 7957856c818Smatthias.ringwald } 7967856c818Smatthias.ringwald 797e76a89eeS[email protected] // assert packet is complete 7989ecc3e17S[email protected] if (acl_length + 4 != size){ 799f04a0c31SMatthias Ringwald log_error("hci.c: acl_handler called with ACL packet of wrong size %d, expected %u => dropping packet", size, acl_length + 4); 800e76a89eeS[email protected] return; 801e76a89eeS[email protected] } 802e76a89eeS[email protected] 80352db98b2SMatthias Ringwald #ifdef ENABLE_CLASSIC 8047856c818Smatthias.ringwald // update idle timestamp 8057856c818Smatthias.ringwald hci_connection_timestamp(conn); 80652db98b2SMatthias Ringwald #endif 8077856c818Smatthias.ringwald 8082b838201SMatthias Ringwald #ifdef ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 8092b838201SMatthias Ringwald hci_stack->host_completed_packets = 1; 8102b838201SMatthias Ringwald conn->num_packets_completed++; 8112b838201SMatthias Ringwald #endif 8122b838201SMatthias Ringwald 8137856c818Smatthias.ringwald // handle different packet types 8147856c818Smatthias.ringwald switch (acl_flags & 0x03) { 8157856c818Smatthias.ringwald 8167856c818Smatthias.ringwald case 0x01: // continuation fragment 8177856c818Smatthias.ringwald 8180ca847afS[email protected] // sanity checks 8197856c818Smatthias.ringwald if (conn->acl_recombination_pos == 0) { 8209da54300S[email protected] log_error( "ACL Cont Fragment but no first fragment for handle 0x%02x", con_handle); 8217856c818Smatthias.ringwald return; 8227856c818Smatthias.ringwald } 8230ca847afS[email protected] if (conn->acl_recombination_pos + acl_length > 4 + HCI_ACL_BUFFER_SIZE){ 8240ca847afS[email protected] log_error( "ACL Cont Fragment to large: combined packet %u > buffer size %u for handle 0x%02x", 8250ca847afS[email protected] conn->acl_recombination_pos + acl_length, 4 + HCI_ACL_BUFFER_SIZE, con_handle); 8260ca847afS[email protected] conn->acl_recombination_pos = 0; 8270ca847afS[email protected] return; 8280ca847afS[email protected] } 8297856c818Smatthias.ringwald 8307856c818Smatthias.ringwald // append fragment payload (header already stored) 831ec6321eeS[email protected] memcpy(&conn->acl_recombination_buffer[HCI_INCOMING_PRE_BUFFER_SIZE + conn->acl_recombination_pos], &packet[4], acl_length ); 8327856c818Smatthias.ringwald conn->acl_recombination_pos += acl_length; 8337856c818Smatthias.ringwald 8349da54300S[email protected] // log_error( "ACL Cont Fragment: acl_len %u, combined_len %u, l2cap_len %u", acl_length, 835decc01a8Smatthias.ringwald // conn->acl_recombination_pos, conn->acl_recombination_length); 8367856c818Smatthias.ringwald 8377856c818Smatthias.ringwald // forward complete L2CAP packet if complete. 8387856c818Smatthias.ringwald if (conn->acl_recombination_pos >= conn->acl_recombination_length + 4 + 4){ // pos already incl. ACL header 839d6b06661SMatthias Ringwald hci_emit_acl_packet(&conn->acl_recombination_buffer[HCI_INCOMING_PRE_BUFFER_SIZE], conn->acl_recombination_pos); 8407856c818Smatthias.ringwald // reset recombination buffer 8417856c818Smatthias.ringwald conn->acl_recombination_length = 0; 8427856c818Smatthias.ringwald conn->acl_recombination_pos = 0; 8437856c818Smatthias.ringwald } 8447856c818Smatthias.ringwald break; 8457856c818Smatthias.ringwald 8467856c818Smatthias.ringwald case 0x02: { // first fragment 8477856c818Smatthias.ringwald 84823a77e1aS[email protected] // sanity check 84923a77e1aS[email protected] if (conn->acl_recombination_pos) { 85023a77e1aS[email protected] log_error( "ACL First Fragment but data in buffer for handle 0x%02x, dropping stale fragments", con_handle); 85123a77e1aS[email protected] conn->acl_recombination_pos = 0; 85223a77e1aS[email protected] } 85323a77e1aS[email protected] 8547856c818Smatthias.ringwald // peek into L2CAP packet! 8557856c818Smatthias.ringwald uint16_t l2cap_length = READ_L2CAP_LENGTH( packet ); 8567856c818Smatthias.ringwald 8579da54300S[email protected] // log_info( "ACL First Fragment: acl_len %u, l2cap_len %u", acl_length, l2cap_length); 858decc01a8Smatthias.ringwald 8597856c818Smatthias.ringwald // compare fragment size to L2CAP packet size 8607856c818Smatthias.ringwald if (acl_length >= l2cap_length + 4){ 8617856c818Smatthias.ringwald // forward fragment as L2CAP packet 862d6b06661SMatthias Ringwald hci_emit_acl_packet(packet, acl_length + 4); 8637856c818Smatthias.ringwald } else { 8640ca847afS[email protected] 8650ca847afS[email protected] if (acl_length > HCI_ACL_BUFFER_SIZE){ 8660ca847afS[email protected] log_error( "ACL First Fragment to large: fragment %u > buffer size %u for handle 0x%02x", 8670ca847afS[email protected] 4 + acl_length, 4 + HCI_ACL_BUFFER_SIZE, con_handle); 8680ca847afS[email protected] return; 8690ca847afS[email protected] } 8700ca847afS[email protected] 8717856c818Smatthias.ringwald // store first fragment and tweak acl length for complete package 872ec6321eeS[email protected] memcpy(&conn->acl_recombination_buffer[HCI_INCOMING_PRE_BUFFER_SIZE], packet, acl_length + 4); 8737856c818Smatthias.ringwald conn->acl_recombination_pos = acl_length + 4; 8747856c818Smatthias.ringwald conn->acl_recombination_length = l2cap_length; 875f8fbdce0SMatthias Ringwald little_endian_store_16(conn->acl_recombination_buffer, HCI_INCOMING_PRE_BUFFER_SIZE + 2, l2cap_length +4); 8767856c818Smatthias.ringwald } 8777856c818Smatthias.ringwald break; 8787856c818Smatthias.ringwald 8797856c818Smatthias.ringwald } 8807856c818Smatthias.ringwald default: 8819da54300S[email protected] log_error( "hci.c: acl_handler called with invalid packet boundary flags %u", acl_flags & 0x03); 8827856c818Smatthias.ringwald return; 8837856c818Smatthias.ringwald } 88494ab26f8Smatthias.ringwald 88594ab26f8Smatthias.ringwald // execute main loop 88694ab26f8Smatthias.ringwald hci_run(); 88716833f0aSmatthias.ringwald } 88822909952Smatthias.ringwald 88967a3e8ecSmatthias.ringwald static void hci_shutdown_connection(hci_connection_t *conn){ 8909da54300S[email protected] log_info("Connection closed: handle 0x%x, %s", conn->con_handle, bd_addr_to_str(conn->address)); 8913c4d4b90Smatthias.ringwald 892b3264428SMatthias Ringwald #ifdef ENABLE_CLASSIC 893ee752bb8SMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 894ee752bb8SMatthias Ringwald int addr_type = conn->address_type; 895ee752bb8SMatthias Ringwald #endif 896b3264428SMatthias Ringwald #endif 897ee752bb8SMatthias Ringwald 898528a4a3bSMatthias Ringwald btstack_run_loop_remove_timer(&conn->timeout); 899c785ef68Smatthias.ringwald 900665d90f2SMatthias Ringwald btstack_linked_list_remove(&hci_stack->connections, (btstack_linked_item_t *) conn); 901a3b02b71Smatthias.ringwald btstack_memory_hci_connection_free( conn ); 9023c4d4b90Smatthias.ringwald 9033c4d4b90Smatthias.ringwald // now it's gone 904c7e0c5f6Smatthias.ringwald hci_emit_nr_connections_changed(); 905ee752bb8SMatthias Ringwald 906b3264428SMatthias Ringwald #ifdef ENABLE_CLASSIC 907034e9b53SMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 908ee752bb8SMatthias Ringwald // update SCO 909ee752bb8SMatthias Ringwald if (addr_type == BD_ADDR_TYPE_SCO && hci_stack->hci_transport && hci_stack->hci_transport->set_sco_config){ 910ee752bb8SMatthias Ringwald hci_stack->hci_transport->set_sco_config(hci_stack->sco_voice_setting_active, hci_number_sco_connections()); 911ee752bb8SMatthias Ringwald } 912034e9b53SMatthias Ringwald #endif 913b3264428SMatthias Ringwald #endif 914c7e0c5f6Smatthias.ringwald } 915c7e0c5f6Smatthias.ringwald 91635454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 91735454696SMatthias Ringwald 9180c042179S[email protected] static const uint16_t packet_type_sizes[] = { 9198f8108aaSmatthias.ringwald 0, HCI_ACL_2DH1_SIZE, HCI_ACL_3DH1_SIZE, HCI_ACL_DM1_SIZE, 9208f8108aaSmatthias.ringwald HCI_ACL_DH1_SIZE, 0, 0, 0, 9218f8108aaSmatthias.ringwald HCI_ACL_2DH3_SIZE, HCI_ACL_3DH3_SIZE, HCI_ACL_DM3_SIZE, HCI_ACL_DH3_SIZE, 9228f8108aaSmatthias.ringwald HCI_ACL_2DH5_SIZE, HCI_ACL_3DH5_SIZE, HCI_ACL_DM5_SIZE, HCI_ACL_DH5_SIZE 9238f8108aaSmatthias.ringwald }; 92465389bfcS[email protected] static const uint8_t packet_type_feature_requirement_bit[] = { 92565389bfcS[email protected] 0, // 3 slot packets 92665389bfcS[email protected] 1, // 5 slot packets 92765389bfcS[email protected] 25, // EDR 2 mpbs 92865389bfcS[email protected] 26, // EDR 3 mbps 92965389bfcS[email protected] 39, // 3 slot EDR packts 93065389bfcS[email protected] 40, // 5 slot EDR packet 93165389bfcS[email protected] }; 93265389bfcS[email protected] static const uint16_t packet_type_feature_packet_mask[] = { 93365389bfcS[email protected] 0x0f00, // 3 slot packets 93465389bfcS[email protected] 0xf000, // 5 slot packets 93565389bfcS[email protected] 0x1102, // EDR 2 mpbs 93665389bfcS[email protected] 0x2204, // EDR 3 mbps 93765389bfcS[email protected] 0x0300, // 3 slot EDR packts 93865389bfcS[email protected] 0x3000, // 5 slot EDR packet 93965389bfcS[email protected] }; 9408f8108aaSmatthias.ringwald 94165389bfcS[email protected] static uint16_t hci_acl_packet_types_for_buffer_size_and_local_features(uint16_t buffer_size, uint8_t * local_supported_features){ 94265389bfcS[email protected] // enable packet types based on size 9438f8108aaSmatthias.ringwald uint16_t packet_types = 0; 944f16a69bbS[email protected] unsigned int i; 9458f8108aaSmatthias.ringwald for (i=0;i<16;i++){ 9468f8108aaSmatthias.ringwald if (packet_type_sizes[i] == 0) continue; 9478f8108aaSmatthias.ringwald if (packet_type_sizes[i] <= buffer_size){ 9488f8108aaSmatthias.ringwald packet_types |= 1 << i; 9498f8108aaSmatthias.ringwald } 9508f8108aaSmatthias.ringwald } 95165389bfcS[email protected] // disable packet types due to missing local supported features 95265389bfcS[email protected] for (i=0;i<sizeof(packet_type_feature_requirement_bit);i++){ 953f04a0c31SMatthias Ringwald unsigned int bit_idx = packet_type_feature_requirement_bit[i]; 95465389bfcS[email protected] int feature_set = (local_supported_features[bit_idx >> 3] & (1<<(bit_idx & 7))) != 0; 95565389bfcS[email protected] if (feature_set) continue; 95665389bfcS[email protected] log_info("Features bit %02u is not set, removing packet types 0x%04x", bit_idx, packet_type_feature_packet_mask[i]); 95765389bfcS[email protected] packet_types &= ~packet_type_feature_packet_mask[i]; 95865389bfcS[email protected] } 9598f8108aaSmatthias.ringwald // flip bits for "may not be used" 9608f8108aaSmatthias.ringwald packet_types ^= 0x3306; 9618f8108aaSmatthias.ringwald return packet_types; 9628f8108aaSmatthias.ringwald } 9638f8108aaSmatthias.ringwald 9648f8108aaSmatthias.ringwald uint16_t hci_usable_acl_packet_types(void){ 9653a9fb326S[email protected] return hci_stack->packet_types; 9668f8108aaSmatthias.ringwald } 96735454696SMatthias Ringwald #endif 9688f8108aaSmatthias.ringwald 969facf93fdS[email protected] uint8_t* hci_get_outgoing_packet_buffer(void){ 9707dc17943Smatthias.ringwald // hci packet buffer is >= acl data packet length 9713a9fb326S[email protected] return hci_stack->hci_packet_buffer; 9727dc17943Smatthias.ringwald } 9737dc17943Smatthias.ringwald 974f5d8d141S[email protected] uint16_t hci_max_acl_data_packet_length(void){ 9753a9fb326S[email protected] return hci_stack->acl_data_packet_length; 9767dc17943Smatthias.ringwald } 9777dc17943Smatthias.ringwald 97806b9e820SMatthias Ringwald #ifdef ENABLE_CLASSIC 9793e68d23dSMatthias Ringwald int hci_extended_sco_link_supported(void){ 9803e68d23dSMatthias Ringwald // No. 31, byte 3, bit 7 9813e68d23dSMatthias Ringwald return (hci_stack->local_supported_features[3] & (1 << 7)) != 0; 9823e68d23dSMatthias Ringwald } 98306b9e820SMatthias Ringwald #endif 9843e68d23dSMatthias Ringwald 9856ac9a97eS[email protected] int hci_non_flushable_packet_boundary_flag_supported(void){ 9866ac9a97eS[email protected] // No. 54, byte 6, bit 6 9876ac9a97eS[email protected] return (hci_stack->local_supported_features[6] & (1 << 6)) != 0; 9886ac9a97eS[email protected] } 9896ac9a97eS[email protected] 99015a95bd5SMatthias Ringwald static int gap_ssp_supported(void){ 9916ac9a97eS[email protected] // No. 51, byte 6, bit 3 9923a9fb326S[email protected] return (hci_stack->local_supported_features[6] & (1 << 3)) != 0; 993f5d8d141S[email protected] } 994f5d8d141S[email protected] 9957f02f414SMatthias Ringwald static int hci_classic_supported(void){ 99635454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 9976ac9a97eS[email protected] // No. 37, byte 4, bit 5, = No BR/EDR Support 9983a9fb326S[email protected] return (hci_stack->local_supported_features[4] & (1 << 5)) == 0; 99935454696SMatthias Ringwald #else 100035454696SMatthias Ringwald return 0; 100135454696SMatthias Ringwald #endif 1002f5d8d141S[email protected] } 1003f5d8d141S[email protected] 10047f02f414SMatthias Ringwald static int hci_le_supported(void){ 1005a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 10066ac9a97eS[email protected] // No. 37, byte 4, bit 6 = LE Supported (Controller) 10073a9fb326S[email protected] return (hci_stack->local_supported_features[4] & (1 << 6)) != 0; 1008f5d8d141S[email protected] #else 1009f5d8d141S[email protected] return 0; 1010f5d8d141S[email protected] #endif 1011f5d8d141S[email protected] } 1012f5d8d141S[email protected] 1013b95a5a35SMatthias Ringwald #ifdef ENABLE_BLE 1014b95a5a35SMatthias Ringwald 1015b95a5a35SMatthias Ringwald /** 1016b95a5a35SMatthias Ringwald * @brief Get addr type and address used for LE in Advertisements, Scan Responses, 1017b95a5a35SMatthias Ringwald */ 1018b95a5a35SMatthias Ringwald void gap_le_get_own_address(uint8_t * addr_type, bd_addr_t addr){ 1019b95a5a35SMatthias Ringwald *addr_type = hci_stack->le_own_addr_type; 1020b95a5a35SMatthias Ringwald if (hci_stack->le_own_addr_type){ 1021b95a5a35SMatthias Ringwald memcpy(addr, hci_stack->le_random_address, 6); 102269a97523S[email protected] } else { 10233a9fb326S[email protected] memcpy(addr, hci_stack->local_bd_addr, 6); 102469a97523S[email protected] } 102569a97523S[email protected] } 102669a97523S[email protected] 1027e8c8828eSMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 1028384b59deSMatthias Ringwald void le_handle_advertisement_report(uint8_t *packet, uint16_t size){ 10299ec2630cSMatthias Ringwald 1030d1dc057bS[email protected] int offset = 3; 1031d1dc057bS[email protected] int num_reports = packet[offset]; 1032d1dc057bS[email protected] offset += 1; 1033d1dc057bS[email protected] 103457c9da5bS[email protected] int i; 10354f4e0224SMatthias Ringwald // log_info("HCI: handle adv report with num reports: %d", num_reports); 103603fbe9c6S[email protected] uint8_t event[12 + LE_ADVERTISING_DATA_SIZE]; // use upper bound to avoid var size automatic var 1037384b59deSMatthias Ringwald for (i=0; i<num_reports && offset < size;i++){ 1038384b59deSMatthias Ringwald uint8_t data_length = btstack_min( packet[offset + 8], LE_ADVERTISING_DATA_SIZE); 1039a0aac9c4S[email protected] uint8_t event_size = 10 + data_length; 1040d1dc057bS[email protected] int pos = 0; 1041045013feSMatthias Ringwald event[pos++] = GAP_EVENT_ADVERTISING_REPORT; 104257c9da5bS[email protected] event[pos++] = event_size; 1043210c6774S[email protected] memcpy(&event[pos], &packet[offset], 1+1+6); // event type + address type + address 1044d1dc057bS[email protected] offset += 8; 1045d1dc057bS[email protected] pos += 8; 1046d1dc057bS[email protected] event[pos++] = packet[offset + 1 + data_length]; // rssi 1047d1dc057bS[email protected] event[pos++] = packet[offset++]; //data_length; 1048d1dc057bS[email protected] memcpy(&event[pos], &packet[offset], data_length); 104957c9da5bS[email protected] pos += data_length; 1050d1dc057bS[email protected] offset += data_length + 1; // rssi 1051d6b06661SMatthias Ringwald hci_emit_event(event, pos, 1); 105257c9da5bS[email protected] } 105357c9da5bS[email protected] } 1054b2f949feS[email protected] #endif 1055e8c8828eSMatthias Ringwald #endif 105657c9da5bS[email protected] 10572b6ab3e6SMatthias Ringwald #ifdef ENABLE_BLE 10582b6ab3e6SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 10592b6ab3e6SMatthias Ringwald static void hci_reenable_advertisements_if_needed(void){ 10602b6ab3e6SMatthias Ringwald if (!hci_stack->le_advertisements_active && hci_stack->le_advertisements_enabled){ 10612b6ab3e6SMatthias Ringwald // get number of active le slave connections 10622b6ab3e6SMatthias Ringwald int num_slave_connections = 0; 10632b6ab3e6SMatthias Ringwald btstack_linked_list_iterator_t it; 10642b6ab3e6SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->connections); 10652b6ab3e6SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 10662b6ab3e6SMatthias Ringwald hci_connection_t * con = (hci_connection_t*) btstack_linked_list_iterator_next(&it); 10672b6ab3e6SMatthias Ringwald log_info("state %u, role %u, le_con %u", con->state, con->role, hci_is_le_connection(con)); 10682b6ab3e6SMatthias Ringwald if (con->state != OPEN) continue; 10692b6ab3e6SMatthias Ringwald if (con->role != HCI_ROLE_SLAVE) continue; 10702b6ab3e6SMatthias Ringwald if (!hci_is_le_connection(con)) continue; 10712b6ab3e6SMatthias Ringwald num_slave_connections++; 10722b6ab3e6SMatthias Ringwald } 10732b6ab3e6SMatthias Ringwald log_info("Num LE Peripheral roles: %u of %u", num_slave_connections, hci_stack->le_max_number_peripheral_connections); 10742b6ab3e6SMatthias Ringwald if (num_slave_connections < hci_stack->le_max_number_peripheral_connections){ 10752b6ab3e6SMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_ENABLE; 10762b6ab3e6SMatthias Ringwald } 10772b6ab3e6SMatthias Ringwald } 10782b6ab3e6SMatthias Ringwald } 10792b6ab3e6SMatthias Ringwald #endif 10802b6ab3e6SMatthias Ringwald #endif 10812b6ab3e6SMatthias Ringwald 1082cd77dd38SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 108306b9e820SMatthias Ringwald 108496b53536SMatthias Ringwald static uint32_t hci_transport_uart_get_main_baud_rate(void){ 108596b53536SMatthias Ringwald if (!hci_stack->config) return 0; 10869796ebeaSMatthias Ringwald uint32_t baud_rate = ((hci_transport_config_uart_t *)hci_stack->config)->baudrate_main; 108796b53536SMatthias Ringwald // Limit baud rate for Broadcom chipsets to 3 mbps 108861f37892SMatthias Ringwald if (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_BROADCOM_CORPORATION && baud_rate > 3000000){ 108996b53536SMatthias Ringwald baud_rate = 3000000; 109096b53536SMatthias Ringwald } 109196b53536SMatthias Ringwald return baud_rate; 109296b53536SMatthias Ringwald } 109396b53536SMatthias Ringwald 1094ec820d77SMatthias Ringwald static void hci_initialization_timeout_handler(btstack_timer_source_t * ds){ 10959ec2630cSMatthias Ringwald UNUSED(ds); 10969ec2630cSMatthias Ringwald 10970305bdeaSMatthias Ringwald switch (hci_stack->substate){ 10980305bdeaSMatthias Ringwald case HCI_INIT_W4_SEND_RESET: 10997b0d7667SMatthias Ringwald log_info("Resend HCI Reset"); 11000305bdeaSMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_RESET; 11017b0d7667SMatthias Ringwald hci_stack->num_cmd_packets = 1; 11020305bdeaSMatthias Ringwald hci_run(); 11030305bdeaSMatthias Ringwald break; 11049f007422SMatthias Ringwald case HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT_LINK_RESET: 11059f007422SMatthias Ringwald log_info("Resend HCI Reset - CSR Warm Boot with Link Reset"); 11069f007422SMatthias Ringwald if (hci_stack->hci_transport->reset_link){ 11079f007422SMatthias Ringwald hci_stack->hci_transport->reset_link(); 11089f007422SMatthias Ringwald } 1109202c8a4cSMatthias Ringwald // no break - explicit fallthrough to HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT 1110e47e68c7SMatthias Ringwald case HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT: 1111e47e68c7SMatthias Ringwald log_info("Resend HCI Reset - CSR Warm Boot"); 1112e47e68c7SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_RESET_CSR_WARM_BOOT; 1113e47e68c7SMatthias Ringwald hci_stack->num_cmd_packets = 1; 1114e47e68c7SMatthias Ringwald hci_run(); 1115688c2635SMatthias Ringwald break; 11167224be7eSMatthias Ringwald case HCI_INIT_W4_SEND_BAUD_CHANGE: 11177224be7eSMatthias Ringwald if (hci_stack->hci_transport->set_baudrate){ 111896b53536SMatthias Ringwald uint32_t baud_rate = hci_transport_uart_get_main_baud_rate(); 1119cd724cb7SMatthias Ringwald log_info("Local baud rate change to %"PRIu32"(timeout handler)", baud_rate); 11207dd9d0ecSMatthias Ringwald hci_stack->hci_transport->set_baudrate(baud_rate); 11217224be7eSMatthias Ringwald } 1122834bce8cSMatthias Ringwald // For CSR, HCI Reset is sent on new baud rate. Don't forget to reset link for H5/BCSP 112361f37892SMatthias Ringwald if (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_CAMBRIDGE_SILICON_RADIO){ 1124834bce8cSMatthias Ringwald if (hci_stack->hci_transport->reset_link){ 1125834bce8cSMatthias Ringwald log_info("Link Reset"); 1126834bce8cSMatthias Ringwald hci_stack->hci_transport->reset_link(); 1127834bce8cSMatthias Ringwald } 1128772a36d3SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_RESET_CSR_WARM_BOOT; 1129772a36d3SMatthias Ringwald hci_run(); 1130772a36d3SMatthias Ringwald } 11314696bddbSMatthias Ringwald break; 1132559961d0SMatthias Ringwald case HCI_INIT_W4_CUSTOM_INIT_BCM_DELAY: 1133559961d0SMatthias Ringwald // otherwise continue 1134559961d0SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS; 1135559961d0SMatthias Ringwald hci_send_cmd(&hci_read_local_supported_commands); 1136559961d0SMatthias Ringwald break; 11370305bdeaSMatthias Ringwald default: 11380305bdeaSMatthias Ringwald break; 11390305bdeaSMatthias Ringwald } 11400305bdeaSMatthias Ringwald } 114106b9e820SMatthias Ringwald #endif 11420305bdeaSMatthias Ringwald 114371de195eSMatthias Ringwald static void hci_initializing_next_state(void){ 114474b323a9SMatthias Ringwald hci_stack->substate = (hci_substate_t )( ((int) hci_stack->substate) + 1); 114574b323a9SMatthias Ringwald } 114674b323a9SMatthias Ringwald 1147e9f343c8SMatthias Ringwald #if defined(ENABLE_CLASSIC) || defined(ENABLE_LE_PERIPHERAL) 11481c2a62f5SMatthias Ringwald static void hci_replace_bd_addr_placeholder(uint8_t * data, uint16_t size){ 11491c2a62f5SMatthias Ringwald const int bd_addr_string_len = 17; 11501c2a62f5SMatthias Ringwald int i = 0; 11511c2a62f5SMatthias Ringwald while (i < size - bd_addr_string_len){ 11521c2a62f5SMatthias Ringwald if (memcmp(&data[i], "00:00:00:00:00:00", bd_addr_string_len)) { 11531c2a62f5SMatthias Ringwald i++; 11541c2a62f5SMatthias Ringwald continue; 11551c2a62f5SMatthias Ringwald } 11561c2a62f5SMatthias Ringwald // set real address 11571c2a62f5SMatthias Ringwald memcpy(&data[i], bd_addr_to_str(hci_stack->local_bd_addr), bd_addr_string_len); 11581c2a62f5SMatthias Ringwald i += bd_addr_string_len; 11591c2a62f5SMatthias Ringwald } 11601c2a62f5SMatthias Ringwald } 11611c2a62f5SMatthias Ringwald #endif 11621c2a62f5SMatthias Ringwald 116374b323a9SMatthias Ringwald // assumption: hci_can_send_command_packet_now() == true 116471de195eSMatthias Ringwald static void hci_initializing_run(void){ 1165148ca237SMatthias Ringwald log_debug("hci_initializing_run: substate %u, can send %u", hci_stack->substate, hci_can_send_command_packet_now()); 116674b323a9SMatthias Ringwald switch (hci_stack->substate){ 116774b323a9SMatthias Ringwald case HCI_INIT_SEND_RESET: 116874b323a9SMatthias Ringwald hci_state_reset(); 1169a0cf2f3fSMatthias Ringwald 117006b9e820SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 11710305bdeaSMatthias Ringwald // prepare reset if command complete not received in 100ms 1172659d758cSMatthias Ringwald btstack_run_loop_set_timer(&hci_stack->timeout, HCI_RESET_RESEND_TIMEOUT_MS); 1173528a4a3bSMatthias Ringwald btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_initialization_timeout_handler); 1174528a4a3bSMatthias Ringwald btstack_run_loop_add_timer(&hci_stack->timeout); 1175a0cf2f3fSMatthias Ringwald #endif 11760305bdeaSMatthias Ringwald // send command 117774b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_RESET; 11780305bdeaSMatthias Ringwald hci_send_cmd(&hci_reset); 117974b323a9SMatthias Ringwald break; 118076fcb19bSMatthias Ringwald case HCI_INIT_SEND_READ_LOCAL_VERSION_INFORMATION: 118176fcb19bSMatthias Ringwald hci_send_cmd(&hci_read_local_version_information); 118276fcb19bSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_READ_LOCAL_VERSION_INFORMATION; 118376fcb19bSMatthias Ringwald break; 1184e90bae01SMatthias Ringwald case HCI_INIT_SEND_READ_LOCAL_NAME: 1185e90bae01SMatthias Ringwald hci_send_cmd(&hci_read_local_name); 1186e90bae01SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_READ_LOCAL_NAME; 1187e90bae01SMatthias Ringwald break; 118806b9e820SMatthias Ringwald 118906b9e820SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 1190e47e68c7SMatthias Ringwald case HCI_INIT_SEND_RESET_CSR_WARM_BOOT: 1191e47e68c7SMatthias Ringwald hci_state_reset(); 1192e47e68c7SMatthias Ringwald // prepare reset if command complete not received in 100ms 1193659d758cSMatthias Ringwald btstack_run_loop_set_timer(&hci_stack->timeout, HCI_RESET_RESEND_TIMEOUT_MS); 1194528a4a3bSMatthias Ringwald btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_initialization_timeout_handler); 1195528a4a3bSMatthias Ringwald btstack_run_loop_add_timer(&hci_stack->timeout); 1196e47e68c7SMatthias Ringwald // send command 1197e47e68c7SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT; 1198e47e68c7SMatthias Ringwald hci_send_cmd(&hci_reset); 1199e47e68c7SMatthias Ringwald break; 12008d29070eSMatthias Ringwald case HCI_INIT_SEND_RESET_ST_WARM_BOOT: 12018d29070eSMatthias Ringwald hci_state_reset(); 12028d29070eSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_RESET_ST_WARM_BOOT; 12038d29070eSMatthias Ringwald hci_send_cmd(&hci_reset); 12048d29070eSMatthias Ringwald break; 1205fab26ab3SMatthias Ringwald case HCI_INIT_SEND_BAUD_CHANGE: { 120696b53536SMatthias Ringwald uint32_t baud_rate = hci_transport_uart_get_main_baud_rate(); 12073fb36a29SMatthias Ringwald hci_stack->chipset->set_baudrate_command(baud_rate, hci_stack->hci_packet_buffer); 1208f8fbdce0SMatthias Ringwald hci_stack->last_cmd_opcode = little_endian_read_16(hci_stack->hci_packet_buffer, 0); 120974b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_BAUD_CHANGE; 12100305bdeaSMatthias Ringwald hci_send_cmd_packet(hci_stack->hci_packet_buffer, 3 + hci_stack->hci_packet_buffer[2]); 12114696bddbSMatthias Ringwald // STLC25000D: baudrate change happens within 0.5 s after command was send, 12124696bddbSMatthias Ringwald // use timer to update baud rate after 100 ms (knowing exactly, when command was sent is non-trivial) 121361f37892SMatthias Ringwald if (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_ST_MICROELECTRONICS){ 1214659d758cSMatthias Ringwald btstack_run_loop_set_timer(&hci_stack->timeout, HCI_RESET_RESEND_TIMEOUT_MS); 1215528a4a3bSMatthias Ringwald btstack_run_loop_add_timer(&hci_stack->timeout); 12164696bddbSMatthias Ringwald } 121774b323a9SMatthias Ringwald break; 1218fab26ab3SMatthias Ringwald } 1219fab26ab3SMatthias Ringwald case HCI_INIT_SEND_BAUD_CHANGE_BCM: { 122096b53536SMatthias Ringwald uint32_t baud_rate = hci_transport_uart_get_main_baud_rate(); 12213fb36a29SMatthias Ringwald hci_stack->chipset->set_baudrate_command(baud_rate, hci_stack->hci_packet_buffer); 1222f8fbdce0SMatthias Ringwald hci_stack->last_cmd_opcode = little_endian_read_16(hci_stack->hci_packet_buffer, 0); 1223eb3a5314SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_BAUD_CHANGE_BCM; 1224eb3a5314SMatthias Ringwald hci_send_cmd_packet(hci_stack->hci_packet_buffer, 3 + hci_stack->hci_packet_buffer[2]); 1225eb3a5314SMatthias Ringwald break; 1226fab26ab3SMatthias Ringwald } 122774b323a9SMatthias Ringwald case HCI_INIT_CUSTOM_INIT: 122874b323a9SMatthias Ringwald // Custom initialization 12293fb36a29SMatthias Ringwald if (hci_stack->chipset && hci_stack->chipset->next_command){ 12303fb36a29SMatthias Ringwald int valid_cmd = (*hci_stack->chipset->next_command)(hci_stack->hci_packet_buffer); 123174b323a9SMatthias Ringwald if (valid_cmd){ 123274b323a9SMatthias Ringwald int size = 3 + hci_stack->hci_packet_buffer[2]; 1233f8fbdce0SMatthias Ringwald hci_stack->last_cmd_opcode = little_endian_read_16(hci_stack->hci_packet_buffer, 0); 123474b323a9SMatthias Ringwald hci_dump_packet(HCI_COMMAND_DATA_PACKET, 0, hci_stack->hci_packet_buffer, size); 1235e47e68c7SMatthias Ringwald switch (valid_cmd) { 1236f41911edSMatthias Ringwald case BTSTACK_CHIPSET_VALID_COMMAND: 1237e47e68c7SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT; 1238e47e68c7SMatthias Ringwald break; 1239f41911edSMatthias Ringwald case BTSTACK_CHIPSET_WARMSTART_REQUIRED: 1240f41911edSMatthias Ringwald // CSR Warm Boot: Wait a bit, then send HCI Reset until HCI Command Complete 1241e47e68c7SMatthias Ringwald log_info("CSR Warm Boot"); 1242659d758cSMatthias Ringwald btstack_run_loop_set_timer(&hci_stack->timeout, HCI_RESET_RESEND_TIMEOUT_MS); 1243528a4a3bSMatthias Ringwald btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_initialization_timeout_handler); 1244528a4a3bSMatthias Ringwald btstack_run_loop_add_timer(&hci_stack->timeout); 124561f37892SMatthias Ringwald if (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_CAMBRIDGE_SILICON_RADIO 1246772a36d3SMatthias Ringwald && hci_stack->config 12473fb36a29SMatthias Ringwald && hci_stack->chipset 12483fb36a29SMatthias Ringwald // && hci_stack->chipset->set_baudrate_command -- there's no such command 1249772a36d3SMatthias Ringwald && hci_stack->hci_transport->set_baudrate 12502caefae9SMatthias Ringwald && hci_transport_uart_get_main_baud_rate()){ 1251772a36d3SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_BAUD_CHANGE; 1252772a36d3SMatthias Ringwald } else { 12539f007422SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT_LINK_RESET; 1254772a36d3SMatthias Ringwald } 1255e47e68c7SMatthias Ringwald break; 1256f41911edSMatthias Ringwald default: 1257f41911edSMatthias Ringwald // should not get here 1258f41911edSMatthias Ringwald break; 1259e47e68c7SMatthias Ringwald } 12600305bdeaSMatthias Ringwald hci_stack->hci_transport->send_packet(HCI_COMMAND_DATA_PACKET, hci_stack->hci_packet_buffer, size); 126174b323a9SMatthias Ringwald break; 126274b323a9SMatthias Ringwald } 1263148ca237SMatthias Ringwald log_info("Init script done"); 126492a0d36dSMatthias Ringwald 1265559961d0SMatthias Ringwald // Init script download on Broadcom chipsets causes: 1266e021ff1eSMatthias Ringwald if (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_BROADCOM_CORPORATION 1267e021ff1eSMatthias Ringwald || hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_EM_MICROELECTRONIC_MARIN_SA){ 1268e021ff1eSMatthias Ringwald 1269559961d0SMatthias Ringwald // - baud rate to reset, restore UART baud rate if needed 127092a0d36dSMatthias Ringwald int need_baud_change = hci_stack->config 12713fb36a29SMatthias Ringwald && hci_stack->chipset 12723fb36a29SMatthias Ringwald && hci_stack->chipset->set_baudrate_command 127392a0d36dSMatthias Ringwald && hci_stack->hci_transport->set_baudrate 12749796ebeaSMatthias Ringwald && ((hci_transport_config_uart_t *)hci_stack->config)->baudrate_main; 127592a0d36dSMatthias Ringwald if (need_baud_change) { 12769796ebeaSMatthias Ringwald uint32_t baud_rate = ((hci_transport_config_uart_t *)hci_stack->config)->baudrate_init; 1277cd724cb7SMatthias Ringwald log_info("Local baud rate change to %"PRIu32" after init script (bcm)", baud_rate); 127892a0d36dSMatthias Ringwald hci_stack->hci_transport->set_baudrate(baud_rate); 127992a0d36dSMatthias Ringwald } 1280559961d0SMatthias Ringwald 1281559961d0SMatthias Ringwald // - RTS will raise during update, but manual RTS/CTS in WICED port on RedBear Duo cannot handle this 1282559961d0SMatthias Ringwald // -> Work around: wait a few milliseconds here. 1283559961d0SMatthias Ringwald log_info("BCM delay after init script"); 1284559961d0SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_BCM_DELAY; 1285559961d0SMatthias Ringwald btstack_run_loop_set_timer(&hci_stack->timeout, 10); 1286559961d0SMatthias Ringwald btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_initialization_timeout_handler); 1287559961d0SMatthias Ringwald btstack_run_loop_add_timer(&hci_stack->timeout); 1288559961d0SMatthias Ringwald break; 128992a0d36dSMatthias Ringwald } 129074b323a9SMatthias Ringwald } 129174b323a9SMatthias Ringwald // otherwise continue 1292a828a756SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS; 1293a828a756SMatthias Ringwald hci_send_cmd(&hci_read_local_supported_commands); 1294a828a756SMatthias Ringwald break; 129553860077SMatthias Ringwald case HCI_INIT_SET_BD_ADDR: 129653860077SMatthias Ringwald log_info("Set Public BD ADDR to %s", bd_addr_to_str(hci_stack->custom_bd_addr)); 12973fb36a29SMatthias Ringwald hci_stack->chipset->set_bd_addr_command(hci_stack->custom_bd_addr, hci_stack->hci_packet_buffer); 1298f8fbdce0SMatthias Ringwald hci_stack->last_cmd_opcode = little_endian_read_16(hci_stack->hci_packet_buffer, 0); 129953860077SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SET_BD_ADDR; 130053860077SMatthias Ringwald hci_send_cmd_packet(hci_stack->hci_packet_buffer, 3 + hci_stack->hci_packet_buffer[2]); 130153860077SMatthias Ringwald break; 130206b9e820SMatthias Ringwald #endif 130306b9e820SMatthias Ringwald 130406b9e820SMatthias Ringwald case HCI_INIT_READ_LOCAL_SUPPORTED_COMMANDS: 130506b9e820SMatthias Ringwald log_info("Resend hci_read_local_supported_commands after CSR Warm Boot double reset"); 130606b9e820SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS; 130706b9e820SMatthias Ringwald hci_send_cmd(&hci_read_local_supported_commands); 130806b9e820SMatthias Ringwald break; 130953860077SMatthias Ringwald case HCI_INIT_READ_BD_ADDR: 131053860077SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_BD_ADDR; 131153860077SMatthias Ringwald hci_send_cmd(&hci_read_bd_addr); 131253860077SMatthias Ringwald break; 131374b323a9SMatthias Ringwald case HCI_INIT_READ_BUFFER_SIZE: 131474b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_BUFFER_SIZE; 13150305bdeaSMatthias Ringwald hci_send_cmd(&hci_read_buffer_size); 131674b323a9SMatthias Ringwald break; 131753860077SMatthias Ringwald case HCI_INIT_READ_LOCAL_SUPPORTED_FEATURES: 131853860077SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_LOCAL_SUPPORTED_FEATURES; 13190305bdeaSMatthias Ringwald hci_send_cmd(&hci_read_local_supported_features); 132074b323a9SMatthias Ringwald break; 13212b838201SMatthias Ringwald 13222b838201SMatthias Ringwald #ifdef ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 13232b838201SMatthias Ringwald case HCI_INIT_SET_CONTROLLER_TO_HOST_FLOW_CONTROL: 13242b838201SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SET_CONTROLLER_TO_HOST_FLOW_CONTROL; 13252b838201SMatthias Ringwald hci_send_cmd(&hci_set_controller_to_host_flow_control, 3); // ACL + SCO Flow Control 13262b838201SMatthias Ringwald break; 13272b838201SMatthias Ringwald case HCI_INIT_HOST_BUFFER_SIZE: 13282b838201SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_HOST_BUFFER_SIZE; 13292b838201SMatthias Ringwald hci_send_cmd(&hci_host_buffer_size, HCI_HOST_ACL_PACKET_LEN, HCI_HOST_SCO_PACKET_LEN, 13302b838201SMatthias Ringwald HCI_HOST_ACL_PACKET_NUM, HCI_HOST_SCO_PACKET_NUM); 13312b838201SMatthias Ringwald break; 13322b838201SMatthias Ringwald #endif 13332b838201SMatthias Ringwald 133474b323a9SMatthias Ringwald case HCI_INIT_SET_EVENT_MASK: 13350305bdeaSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SET_EVENT_MASK; 133674b323a9SMatthias Ringwald if (hci_le_supported()){ 133774b323a9SMatthias Ringwald hci_send_cmd(&hci_set_event_mask,0xffffffff, 0x3FFFFFFF); 133874b323a9SMatthias Ringwald } else { 133974b323a9SMatthias Ringwald // Kensington Bluetooth 2.1 USB Dongle (CSR Chipset) returns an error for 0xffff... 134074b323a9SMatthias Ringwald hci_send_cmd(&hci_set_event_mask,0xffffffff, 0x1FFFFFFF); 134174b323a9SMatthias Ringwald } 134274b323a9SMatthias Ringwald break; 13432b838201SMatthias Ringwald 134435454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 134574b323a9SMatthias Ringwald case HCI_INIT_WRITE_SIMPLE_PAIRING_MODE: 134674b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_SIMPLE_PAIRING_MODE; 13470305bdeaSMatthias Ringwald hci_send_cmd(&hci_write_simple_pairing_mode, hci_stack->ssp_enable); 134874b323a9SMatthias Ringwald break; 134974b323a9SMatthias Ringwald case HCI_INIT_WRITE_PAGE_TIMEOUT: 135074b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_PAGE_TIMEOUT; 13510305bdeaSMatthias Ringwald hci_send_cmd(&hci_write_page_timeout, 0x6000); // ca. 15 sec 135274b323a9SMatthias Ringwald break; 135374b323a9SMatthias Ringwald case HCI_INIT_WRITE_CLASS_OF_DEVICE: 135474b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_CLASS_OF_DEVICE; 13550305bdeaSMatthias Ringwald hci_send_cmd(&hci_write_class_of_device, hci_stack->class_of_device); 135674b323a9SMatthias Ringwald break; 13571c2a62f5SMatthias Ringwald case HCI_INIT_WRITE_LOCAL_NAME: { 13580305bdeaSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_LOCAL_NAME; 13591c2a62f5SMatthias Ringwald hci_reserve_packet_buffer(); 13601c2a62f5SMatthias Ringwald uint8_t * packet = hci_stack->hci_packet_buffer; 13611c2a62f5SMatthias Ringwald // construct HCI Command and send 13621c2a62f5SMatthias Ringwald uint16_t opcode = hci_write_local_name.opcode; 13631c2a62f5SMatthias Ringwald hci_stack->last_cmd_opcode = opcode; 13641c2a62f5SMatthias Ringwald packet[0] = opcode & 0xff; 13651c2a62f5SMatthias Ringwald packet[1] = opcode >> 8; 13661c2a62f5SMatthias Ringwald packet[2] = DEVICE_NAME_LEN; 13671c2a62f5SMatthias Ringwald memset(&packet[3], 0, DEVICE_NAME_LEN); 136863168530SMatthias Ringwald memcpy(&packet[3], hci_stack->local_name, strlen(hci_stack->local_name)); 13691c2a62f5SMatthias Ringwald // expand '00:00:00:00:00:00' in name with bd_addr 13701c2a62f5SMatthias Ringwald hci_replace_bd_addr_placeholder(&packet[3], DEVICE_NAME_LEN); 13711c2a62f5SMatthias Ringwald hci_send_cmd_packet(packet, HCI_CMD_HEADER_SIZE + DEVICE_NAME_LEN); 137274b323a9SMatthias Ringwald break; 13731c2a62f5SMatthias Ringwald } 137429af07f3SMatthias Ringwald case HCI_INIT_WRITE_EIR_DATA: { 13758a114470SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_EIR_DATA; 137629af07f3SMatthias Ringwald hci_reserve_packet_buffer(); 137729af07f3SMatthias Ringwald uint8_t * packet = hci_stack->hci_packet_buffer; 137829af07f3SMatthias Ringwald // construct HCI Command and send 137929af07f3SMatthias Ringwald uint16_t opcode = hci_write_extended_inquiry_response.opcode; 138029af07f3SMatthias Ringwald hci_stack->last_cmd_opcode = opcode; 138129af07f3SMatthias Ringwald packet[0] = opcode & 0xff; 138229af07f3SMatthias Ringwald packet[1] = opcode >> 8; 138329af07f3SMatthias Ringwald packet[2] = 1 + 240; 138429af07f3SMatthias Ringwald packet[3] = 0; // FEC not required 1385ad0d1108SMatthias Ringwald if (hci_stack->eir_data){ 138629af07f3SMatthias Ringwald memcpy(&packet[4], hci_stack->eir_data, 240); 1387ad0d1108SMatthias Ringwald } else { 1388ad0d1108SMatthias Ringwald memset(&packet[4], 0, 240); 1389ad0d1108SMatthias Ringwald int name_len = strlen(hci_stack->local_name); 1390ad0d1108SMatthias Ringwald packet[4] = name_len + 1; 1391ad0d1108SMatthias Ringwald packet[5] = BLUETOOTH_DATA_TYPE_COMPLETE_LOCAL_NAME; 1392ad0d1108SMatthias Ringwald memcpy(&packet[6], hci_stack->local_name, name_len); 1393ad0d1108SMatthias Ringwald } 139429af07f3SMatthias Ringwald // expand '00:00:00:00:00:00' in name with bd_addr 139529af07f3SMatthias Ringwald hci_replace_bd_addr_placeholder(&packet[4], 240); 1396c439e296SMatthias Ringwald hci_send_cmd_packet(packet, HCI_CMD_HEADER_SIZE + 1 + 240); 1397ff00ed1cSMatthias Ringwald break; 139829af07f3SMatthias Ringwald } 1399f6858d14SMatthias Ringwald case HCI_INIT_WRITE_INQUIRY_MODE: 1400f6858d14SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_INQUIRY_MODE; 14018a114470SMatthias Ringwald hci_send_cmd(&hci_write_inquiry_mode, (int) hci_stack->inquiry_mode); 1402f6858d14SMatthias Ringwald break; 140374b323a9SMatthias Ringwald case HCI_INIT_WRITE_SCAN_ENABLE: 140474b323a9SMatthias Ringwald hci_send_cmd(&hci_write_scan_enable, (hci_stack->connectable << 1) | hci_stack->discoverable); // page scan 140574b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_SCAN_ENABLE; 140674b323a9SMatthias Ringwald break; 1407483c5078SMatthias Ringwald // only sent if ENABLE_SCO_OVER_HCI is defined 1408729ed62eSMatthias Ringwald case HCI_INIT_WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE: 1409729ed62eSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE; 1410729ed62eSMatthias Ringwald hci_send_cmd(&hci_write_synchronous_flow_control_enable, 1); // SCO tracking enabled 1411729ed62eSMatthias Ringwald break; 1412483c5078SMatthias Ringwald case HCI_INIT_WRITE_DEFAULT_ERRONEOUS_DATA_REPORTING: 1413483c5078SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_DEFAULT_ERRONEOUS_DATA_REPORTING; 1414483c5078SMatthias Ringwald hci_send_cmd(&hci_write_default_erroneous_data_reporting, 1); 1415483c5078SMatthias Ringwald break; 1416a42798c3SMatthias Ringwald // only sent if ENABLE_SCO_OVER_HCI and manufacturer is Broadcom 1417a42798c3SMatthias Ringwald case HCI_INIT_BCM_WRITE_SCO_PCM_INT: 1418a42798c3SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_BCM_WRITE_SCO_PCM_INT; 1419a42798c3SMatthias Ringwald log_info("BCM: Route SCO data via HCI transport"); 1420a42798c3SMatthias Ringwald hci_send_cmd(&hci_bcm_write_sco_pcm_int, 1, 0, 0, 0, 0); 1421a42798c3SMatthias Ringwald break; 1422a42798c3SMatthias Ringwald 142335454696SMatthias Ringwald #endif 1424a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 142574b323a9SMatthias Ringwald // LE INIT 142674b323a9SMatthias Ringwald case HCI_INIT_LE_READ_BUFFER_SIZE: 142774b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_LE_READ_BUFFER_SIZE; 14280305bdeaSMatthias Ringwald hci_send_cmd(&hci_le_read_buffer_size); 142974b323a9SMatthias Ringwald break; 1430daabb8b8SMatthias Ringwald case HCI_INIT_LE_SET_EVENT_MASK: 1431daabb8b8SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_LE_SET_EVENT_MASK; 1432a004d674SMatthias Ringwald hci_send_cmd(&hci_le_set_event_mask, 0x1FF, 0x0); 1433daabb8b8SMatthias Ringwald break; 143474b323a9SMatthias Ringwald case HCI_INIT_WRITE_LE_HOST_SUPPORTED: 143574b323a9SMatthias Ringwald // LE Supported Host = 1, Simultaneous Host = 0 143674b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_LE_HOST_SUPPORTED; 14370305bdeaSMatthias Ringwald hci_send_cmd(&hci_write_le_host_supported, 1, 0); 143874b323a9SMatthias Ringwald break; 1439b435e062SMatthias Ringwald #endif 1440b435e062SMatthias Ringwald 1441b435e062SMatthias Ringwald #ifdef ENABLE_LE_DATA_LENGTH_EXTENSION 1442dcd678baSMatthias Ringwald case HCI_INIT_LE_READ_MAX_DATA_LENGTH: 1443dcd678baSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_LE_READ_MAX_DATA_LENGTH; 1444dcd678baSMatthias Ringwald hci_send_cmd(&hci_le_read_maximum_data_length); 1445dcd678baSMatthias Ringwald break; 1446dcd678baSMatthias Ringwald case HCI_INIT_LE_WRITE_SUGGESTED_DATA_LENGTH: 1447dcd678baSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_LE_WRITE_SUGGESTED_DATA_LENGTH; 1448b435e062SMatthias Ringwald hci_send_cmd(&hci_le_write_suggested_default_data_length, hci_stack->le_supported_max_tx_octets, hci_stack->le_supported_max_tx_time); 1449dcd678baSMatthias Ringwald break; 1450b435e062SMatthias Ringwald #endif 1451b435e062SMatthias Ringwald 1452b95a5a35SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 14533b6d4121SMatthias Ringwald case HCI_INIT_READ_WHITE_LIST_SIZE: 14543b6d4121SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_READ_WHITE_LIST_SIZE; 14553b6d4121SMatthias Ringwald hci_send_cmd(&hci_le_read_white_list_size); 14563b6d4121SMatthias Ringwald break; 145774b323a9SMatthias Ringwald case HCI_INIT_LE_SET_SCAN_PARAMETERS: 1458b95a5a35SMatthias Ringwald // LE Scan Parameters: active scanning, 300 ms interval, 30 ms window, own address type, accept all advs 145974b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_LE_SET_SCAN_PARAMETERS; 1460b95a5a35SMatthias Ringwald hci_send_cmd(&hci_le_set_scan_parameters, 1, 0x1e0, 0x30, hci_stack->le_own_addr_type, 0); 146174b323a9SMatthias Ringwald break; 146274b323a9SMatthias Ringwald #endif 146374b323a9SMatthias Ringwald default: 146474b323a9SMatthias Ringwald return; 146574b323a9SMatthias Ringwald } 146655975f88SMatthias Ringwald } 146755975f88SMatthias Ringwald 1468a650ba4dSMatthias Ringwald static void hci_init_done(void){ 1469a650ba4dSMatthias Ringwald // done. tell the app 1470a650ba4dSMatthias Ringwald log_info("hci_init_done -> HCI_STATE_WORKING"); 1471a650ba4dSMatthias Ringwald hci_stack->state = HCI_STATE_WORKING; 1472a650ba4dSMatthias Ringwald hci_emit_state(); 1473a650ba4dSMatthias Ringwald hci_run(); 1474a650ba4dSMatthias Ringwald } 1475a650ba4dSMatthias Ringwald 14766155b3d3S[email protected] static void hci_initializing_event_handler(uint8_t * packet, uint16_t size){ 1477384b59deSMatthias Ringwald 1478384b59deSMatthias Ringwald UNUSED(size); // ok: less than 6 bytes are read from our buffer 14799ec2630cSMatthias Ringwald 1480a2481739S[email protected] uint8_t command_completed = 0; 1481c4633093SMatthias Ringwald 14820e2df43fSMatthias Ringwald if (hci_event_packet_get_type(packet) == HCI_EVENT_COMMAND_COMPLETE){ 1483f8fbdce0SMatthias Ringwald uint16_t opcode = little_endian_read_16(packet,3); 14846155b3d3S[email protected] if (opcode == hci_stack->last_cmd_opcode){ 1485a2481739S[email protected] command_completed = 1; 1486148ca237SMatthias Ringwald log_debug("Command complete for expected opcode %04x at substate %u", opcode, hci_stack->substate); 14876155b3d3S[email protected] } else { 1488d58dd308SMatthias Ringwald log_info("Command complete for different opcode %04x, expected %04x, at substate %u", opcode, hci_stack->last_cmd_opcode, hci_stack->substate); 14896155b3d3S[email protected] } 14906155b3d3S[email protected] } 14910f97eae7SMatthias Ringwald 14920e2df43fSMatthias Ringwald if (hci_event_packet_get_type(packet) == HCI_EVENT_COMMAND_STATUS){ 14936155b3d3S[email protected] uint8_t status = packet[2]; 1494f8fbdce0SMatthias Ringwald uint16_t opcode = little_endian_read_16(packet,4); 14956155b3d3S[email protected] if (opcode == hci_stack->last_cmd_opcode){ 14966155b3d3S[email protected] if (status){ 1497a2481739S[email protected] command_completed = 1; 1498148ca237SMatthias Ringwald log_debug("Command status error 0x%02x for expected opcode %04x at substate %u", status, opcode, hci_stack->substate); 14996155b3d3S[email protected] } else { 15006155b3d3S[email protected] log_info("Command status OK for expected opcode %04x, waiting for command complete", opcode); 15016155b3d3S[email protected] } 15026155b3d3S[email protected] } else { 1503148ca237SMatthias Ringwald log_debug("Command status for opcode %04x, expected %04x", opcode, hci_stack->last_cmd_opcode); 15046155b3d3S[email protected] } 15056155b3d3S[email protected] } 15060f97eae7SMatthias Ringwald 150706b9e820SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 150806b9e820SMatthias Ringwald 1509e47e68c7SMatthias Ringwald // Vendor == CSR 15100e2df43fSMatthias Ringwald if (hci_stack->substate == HCI_INIT_W4_CUSTOM_INIT && hci_event_packet_get_type(packet) == HCI_EVENT_VENDOR_SPECIFIC){ 1511e47e68c7SMatthias Ringwald // TODO: track actual command 1512e47e68c7SMatthias Ringwald command_completed = 1; 1513e47e68c7SMatthias Ringwald } 1514a2481739S[email protected] 15154e9daa6fSMatthias Ringwald // Vendor == Toshiba 15160e2df43fSMatthias Ringwald if (hci_stack->substate == HCI_INIT_W4_SEND_BAUD_CHANGE && hci_event_packet_get_type(packet) == HCI_EVENT_VENDOR_SPECIFIC){ 15174e9daa6fSMatthias Ringwald // TODO: track actual command 15184e9daa6fSMatthias Ringwald command_completed = 1; 1519004902f1SMatthias Ringwald // Fix: no HCI Command Complete received, so num_cmd_packets not reset 1520004902f1SMatthias Ringwald hci_stack->num_cmd_packets = 1; 15214e9daa6fSMatthias Ringwald } 15224e9daa6fSMatthias Ringwald 15230f97eae7SMatthias Ringwald // Late response (> 100 ms) for HCI Reset e.g. on Toshiba TC35661: 15240f97eae7SMatthias Ringwald // Command complete for HCI Reset arrives after we've resent the HCI Reset command 15250f97eae7SMatthias Ringwald // 15260f97eae7SMatthias Ringwald // HCI Reset 15270f97eae7SMatthias Ringwald // Timeout 100 ms 15280f97eae7SMatthias Ringwald // HCI Reset 15290f97eae7SMatthias Ringwald // Command Complete Reset 15300f97eae7SMatthias Ringwald // HCI Read Local Version Information 15310f97eae7SMatthias Ringwald // Command Complete Reset - but we expected Command Complete Read Local Version Information 15320f97eae7SMatthias Ringwald // hang... 15330f97eae7SMatthias Ringwald // 15340f97eae7SMatthias Ringwald // Fix: Command Complete for HCI Reset in HCI_INIT_W4_SEND_READ_LOCAL_VERSION_INFORMATION trigger resend 15350f97eae7SMatthias Ringwald if (!command_completed 15360e2df43fSMatthias Ringwald && hci_event_packet_get_type(packet) == HCI_EVENT_COMMAND_COMPLETE 15370f97eae7SMatthias Ringwald && hci_stack->substate == HCI_INIT_W4_SEND_READ_LOCAL_VERSION_INFORMATION){ 15380f97eae7SMatthias Ringwald 1539f8fbdce0SMatthias Ringwald uint16_t opcode = little_endian_read_16(packet,3); 15400f97eae7SMatthias Ringwald if (opcode == hci_reset.opcode){ 15410f97eae7SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_READ_LOCAL_VERSION_INFORMATION; 15420f97eae7SMatthias Ringwald return; 15430f97eae7SMatthias Ringwald } 15440f97eae7SMatthias Ringwald } 15450f97eae7SMatthias Ringwald 15469f007422SMatthias Ringwald // CSR & H5 15479f007422SMatthias Ringwald // Fix: Command Complete for HCI Reset in HCI_INIT_W4_SEND_READ_LOCAL_VERSION_INFORMATION trigger resend 15489f007422SMatthias Ringwald if (!command_completed 15499f007422SMatthias Ringwald && hci_event_packet_get_type(packet) == HCI_EVENT_COMMAND_COMPLETE 15509f007422SMatthias Ringwald && hci_stack->substate == HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS){ 15519f007422SMatthias Ringwald 15529f007422SMatthias Ringwald uint16_t opcode = little_endian_read_16(packet,3); 15539f007422SMatthias Ringwald if (opcode == hci_reset.opcode){ 15549f007422SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_LOCAL_SUPPORTED_COMMANDS; 15559f007422SMatthias Ringwald return; 15569f007422SMatthias Ringwald } 15579f007422SMatthias Ringwald } 15589f007422SMatthias Ringwald 15599f007422SMatthias Ringwald // on CSR with BCSP/H5, the reset resend timeout leads to substate == HCI_INIT_SEND_RESET or HCI_INIT_SEND_RESET_CSR_WARM_BOOT 15609f007422SMatthias Ringwald // fix: Correct substate and behave as command below 15619f007422SMatthias Ringwald if (command_completed){ 15629f007422SMatthias Ringwald switch (hci_stack->substate){ 15639f007422SMatthias Ringwald case HCI_INIT_SEND_RESET: 15649f007422SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_RESET; 15659f007422SMatthias Ringwald break; 15669f007422SMatthias Ringwald case HCI_INIT_SEND_RESET_CSR_WARM_BOOT: 15679f007422SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT; 15689f007422SMatthias Ringwald break; 15699f007422SMatthias Ringwald default: 15709f007422SMatthias Ringwald break; 15719f007422SMatthias Ringwald } 15729f007422SMatthias Ringwald } 15730f97eae7SMatthias Ringwald 157406b9e820SMatthias Ringwald #endif 15750f97eae7SMatthias Ringwald 1576a2481739S[email protected] if (!command_completed) return; 1577a2481739S[email protected] 157806b9e820SMatthias Ringwald int need_baud_change = 0; 157906b9e820SMatthias Ringwald int need_addr_change = 0; 158006b9e820SMatthias Ringwald 158106b9e820SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 158206b9e820SMatthias Ringwald need_baud_change = hci_stack->config 15833fb36a29SMatthias Ringwald && hci_stack->chipset 15843fb36a29SMatthias Ringwald && hci_stack->chipset->set_baudrate_command 1585db8bc6ffSMatthias Ringwald && hci_stack->hci_transport->set_baudrate 15869796ebeaSMatthias Ringwald && ((hci_transport_config_uart_t *)hci_stack->config)->baudrate_main; 1587db8bc6ffSMatthias Ringwald 158806b9e820SMatthias Ringwald need_addr_change = hci_stack->custom_bd_addr_set 15893fb36a29SMatthias Ringwald && hci_stack->chipset 15903fb36a29SMatthias Ringwald && hci_stack->chipset->set_bd_addr_command; 159106b9e820SMatthias Ringwald #endif 1592a80162e9SMatthias Ringwald 15935c363727SMatthias Ringwald switch(hci_stack->substate){ 159406b9e820SMatthias Ringwald 159506b9e820SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 15969f007422SMatthias Ringwald case HCI_INIT_SEND_RESET: 1597d58dd308SMatthias Ringwald // on CSR with BCSP/H5, resend triggers resend of HCI Reset and leads to substate == HCI_INIT_SEND_RESET 15989f007422SMatthias Ringwald // fix: just correct substate and behave as command below 15999f007422SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_SEND_RESET; 16009f007422SMatthias Ringwald btstack_run_loop_remove_timer(&hci_stack->timeout); 16019f007422SMatthias Ringwald break; 160274b323a9SMatthias Ringwald case HCI_INIT_W4_SEND_RESET: 1603528a4a3bSMatthias Ringwald btstack_run_loop_remove_timer(&hci_stack->timeout); 160476fcb19bSMatthias Ringwald break; 1605e90bae01SMatthias Ringwald case HCI_INIT_W4_SEND_READ_LOCAL_NAME: 1606e90bae01SMatthias Ringwald log_info("Received local name, need baud change %d", need_baud_change); 16072f48d920SMatthias Ringwald if (need_baud_change){ 16082f48d920SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_BAUD_CHANGE; 16092f48d920SMatthias Ringwald return; 16102f48d920SMatthias Ringwald } 161153860077SMatthias Ringwald // skip baud change 161274b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_CUSTOM_INIT; 161374b323a9SMatthias Ringwald return; 1614a80162e9SMatthias Ringwald case HCI_INIT_W4_SEND_BAUD_CHANGE: 16154696bddbSMatthias Ringwald // for STLC2500D, baud rate change already happened. 1616fab26ab3SMatthias Ringwald // for others, baud rate gets changed now 161761f37892SMatthias Ringwald if ((hci_stack->manufacturer != BLUETOOTH_COMPANY_ID_ST_MICROELECTRONICS) && need_baud_change){ 161896b53536SMatthias Ringwald uint32_t baud_rate = hci_transport_uart_get_main_baud_rate(); 1619cd724cb7SMatthias Ringwald log_info("Local baud rate change to %"PRIu32"(w4_send_baud_change)", baud_rate); 1620fab26ab3SMatthias Ringwald hci_stack->hci_transport->set_baudrate(baud_rate); 16214696bddbSMatthias Ringwald } 162274b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_CUSTOM_INIT; 162374b323a9SMatthias Ringwald return; 1624a80162e9SMatthias Ringwald case HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT: 1625528a4a3bSMatthias Ringwald btstack_run_loop_remove_timer(&hci_stack->timeout); 1626a80162e9SMatthias Ringwald hci_stack->substate = HCI_INIT_CUSTOM_INIT; 1627a80162e9SMatthias Ringwald return; 162874b323a9SMatthias Ringwald case HCI_INIT_W4_CUSTOM_INIT: 162974b323a9SMatthias Ringwald // repeat custom init 163074b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_CUSTOM_INIT; 163174b323a9SMatthias Ringwald return; 163206b9e820SMatthias Ringwald #else 163306b9e820SMatthias Ringwald case HCI_INIT_W4_SEND_RESET: 163406b9e820SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_LOCAL_SUPPORTED_COMMANDS; 163506b9e820SMatthias Ringwald return ; 163606b9e820SMatthias Ringwald #endif 163706b9e820SMatthias Ringwald 1638a828a756SMatthias Ringwald case HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS: 1639efd3b327SMatthias Ringwald if (need_baud_change && 1640efd3b327SMatthias Ringwald ((hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_BROADCOM_CORPORATION) || 1641efd3b327SMatthias Ringwald (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_EM_MICROELECTRONIC_MARIN_SA))) { 1642eb3a5314SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_BAUD_CHANGE_BCM; 1643eb3a5314SMatthias Ringwald return; 1644eb3a5314SMatthias Ringwald } 164553860077SMatthias Ringwald if (need_addr_change){ 164653860077SMatthias Ringwald hci_stack->substate = HCI_INIT_SET_BD_ADDR; 164753860077SMatthias Ringwald return; 164853860077SMatthias Ringwald } 164953860077SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_BD_ADDR; 165053860077SMatthias Ringwald return; 165106b9e820SMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 16527224be7eSMatthias Ringwald case HCI_INIT_W4_SEND_BAUD_CHANGE_BCM: 16537224be7eSMatthias Ringwald if (need_baud_change){ 165496b53536SMatthias Ringwald uint32_t baud_rate = hci_transport_uart_get_main_baud_rate(); 1655cd724cb7SMatthias Ringwald log_info("Local baud rate change to %"PRIu32"(w4_send_baud_change_bcm))", baud_rate); 1656fab26ab3SMatthias Ringwald hci_stack->hci_transport->set_baudrate(baud_rate); 16577224be7eSMatthias Ringwald } 1658eb3a5314SMatthias Ringwald if (need_addr_change){ 1659eb3a5314SMatthias Ringwald hci_stack->substate = HCI_INIT_SET_BD_ADDR; 1660eb3a5314SMatthias Ringwald return; 1661eb3a5314SMatthias Ringwald } 1662eb3a5314SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_BD_ADDR; 1663eb3a5314SMatthias Ringwald return; 166453860077SMatthias Ringwald case HCI_INIT_W4_SET_BD_ADDR: 16656ca9a99aSMatthias Ringwald // for STLC2500D + ATWILC3000, bd addr change only gets active after sending reset command 16666ca9a99aSMatthias Ringwald if ((hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_ST_MICROELECTRONICS) 16676ca9a99aSMatthias Ringwald || (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_ATMEL_CORPORATION)){ 166853860077SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_RESET_ST_WARM_BOOT; 166953860077SMatthias Ringwald return; 167053860077SMatthias Ringwald } 167153860077SMatthias Ringwald // skipping st warm boot 167253860077SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_BD_ADDR; 167353860077SMatthias Ringwald return; 167453860077SMatthias Ringwald case HCI_INIT_W4_SEND_RESET_ST_WARM_BOOT: 167553860077SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_BD_ADDR; 167653860077SMatthias Ringwald return; 167706b9e820SMatthias Ringwald #endif 167853860077SMatthias Ringwald case HCI_INIT_W4_READ_BD_ADDR: 167953860077SMatthias Ringwald // only read buffer size if supported 168053860077SMatthias Ringwald if (hci_stack->local_supported_commands[0] & 0x01) { 168153860077SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_BUFFER_SIZE; 168253860077SMatthias Ringwald return; 168353860077SMatthias Ringwald } 168453860077SMatthias Ringwald // skipping read buffer size 168553860077SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_LOCAL_SUPPORTED_FEATURES; 1686a828a756SMatthias Ringwald return; 168774b323a9SMatthias Ringwald case HCI_INIT_W4_SET_EVENT_MASK: 16886155b3d3S[email protected] // skip Classic init commands for LE only chipsets 16896155b3d3S[email protected] if (!hci_classic_supported()){ 16902c68f164SMatthias Ringwald #ifdef ENABLE_BLE 16916155b3d3S[email protected] if (hci_le_supported()){ 169274b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_LE_READ_BUFFER_SIZE; // skip all classic command 169374b323a9SMatthias Ringwald return; 16942c68f164SMatthias Ringwald } 16952c68f164SMatthias Ringwald #endif 16966155b3d3S[email protected] log_error("Neither BR/EDR nor LE supported"); 1697a650ba4dSMatthias Ringwald hci_init_done(); 169874b323a9SMatthias Ringwald return; 16996155b3d3S[email protected] } 170015a95bd5SMatthias Ringwald if (!gap_ssp_supported()){ 17015c363727SMatthias Ringwald hci_stack->substate = HCI_INIT_WRITE_PAGE_TIMEOUT; 170274b323a9SMatthias Ringwald return; 17036155b3d3S[email protected] } 17046155b3d3S[email protected] break; 1705903ea03aSMatthias Ringwald #ifdef ENABLE_BLE 1706a828a756SMatthias Ringwald case HCI_INIT_W4_LE_READ_BUFFER_SIZE: 1707a828a756SMatthias Ringwald // skip write le host if not supported (e.g. on LE only EM9301) 1708a828a756SMatthias Ringwald if (hci_stack->local_supported_commands[0] & 0x02) break; 1709daabb8b8SMatthias Ringwald hci_stack->substate = HCI_INIT_LE_SET_EVENT_MASK; 1710daabb8b8SMatthias Ringwald return; 1711daabb8b8SMatthias Ringwald 1712b435e062SMatthias Ringwald #ifdef ENABLE_LE_DATA_LENGTH_EXTENSION 1713b435e062SMatthias Ringwald case HCI_INIT_W4_WRITE_LE_HOST_SUPPORTED: 17146fab74dbSMatthias Ringwald log_info("Supported commands %x", hci_stack->local_supported_commands[0] & 0x30); 1715b435e062SMatthias Ringwald if ((hci_stack->local_supported_commands[0] & 0x30) == 0x30){ 171680d7d618SMatthias Ringwald hci_stack->substate = HCI_INIT_LE_SET_EVENT_MASK; 1717b435e062SMatthias Ringwald return; 1718b435e062SMatthias Ringwald } 1719b435e062SMatthias Ringwald // explicit fall through to reduce repetitions 1720b435e062SMatthias Ringwald 1721b435e062SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 1722b435e062SMatthias Ringwald hci_stack->substate = HCI_INIT_READ_WHITE_LIST_SIZE; 1723903ea03aSMatthias Ringwald #else 1724903ea03aSMatthias Ringwald hci_init_done(); 1725903ea03aSMatthias Ringwald #endif 1726a828a756SMatthias Ringwald return; 172706337f4fSMatthias Ringwald #endif /* ENABLE_LE_DATA_LENGTH_EXTENSION */ 172806337f4fSMatthias Ringwald 172906337f4fSMatthias Ringwald #endif /* ENABLE_BLE */ 1730b435e062SMatthias Ringwald 173171c4de7aSMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 1732729ed62eSMatthias Ringwald case HCI_INIT_W4_WRITE_SCAN_ENABLE: 17333905afbfSMatthias Ringwald // skip write synchronous flow control if not supported 17343905afbfSMatthias Ringwald if (hci_stack->local_supported_commands[0] & 0x04) break; 17353905afbfSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE; 17363905afbfSMatthias Ringwald // explicit fall through to reduce repetitions 17373905afbfSMatthias Ringwald 1738729ed62eSMatthias Ringwald case HCI_INIT_W4_WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE: 17393905afbfSMatthias Ringwald // skip write default erroneous data reporting if not supported 17403905afbfSMatthias Ringwald if (hci_stack->local_supported_commands[0] & 0x08) break; 17413905afbfSMatthias Ringwald hci_stack->substate = HCI_INIT_W4_WRITE_DEFAULT_ERRONEOUS_DATA_REPORTING; 17423905afbfSMatthias Ringwald // explicit fall through to reduce repetitions 17433905afbfSMatthias Ringwald 1744f064e0bbSMatthias Ringwald case HCI_INIT_W4_WRITE_DEFAULT_ERRONEOUS_DATA_REPORTING: 1745a42798c3SMatthias Ringwald // skip bcm set sco pcm config on non-Broadcom chipsets 174661f37892SMatthias Ringwald if (hci_stack->manufacturer == BLUETOOTH_COMPANY_ID_BROADCOM_CORPORATION) break; 1747a42798c3SMatthias Ringwald hci_stack->substate = HCI_INIT_W4_BCM_WRITE_SCO_PCM_INT; 1748a42798c3SMatthias Ringwald // explicit fall through to reduce repetitions 1749a42798c3SMatthias Ringwald 1750a42798c3SMatthias Ringwald case HCI_INIT_W4_BCM_WRITE_SCO_PCM_INT: 1751729ed62eSMatthias Ringwald if (!hci_le_supported()){ 1752729ed62eSMatthias Ringwald // SKIP LE init for Classic only configuration 1753a650ba4dSMatthias Ringwald hci_init_done(); 1754729ed62eSMatthias Ringwald return; 1755729ed62eSMatthias Ringwald } 1756729ed62eSMatthias Ringwald break; 1757f3b012f9SMatthias Ringwald 1758f3b012f9SMatthias Ringwald #else /* !ENABLE_SCO_OVER_HCI */ 1759f3b012f9SMatthias Ringwald 176074b323a9SMatthias Ringwald case HCI_INIT_W4_WRITE_SCAN_ENABLE: 1761f3b012f9SMatthias Ringwald #ifdef ENABLE_BLE 1762f3b012f9SMatthias Ringwald if (hci_le_supported()){ 1763f3b012f9SMatthias Ringwald hci_stack->substate = HCI_INIT_LE_READ_BUFFER_SIZE; 176474b323a9SMatthias Ringwald return; 17656155b3d3S[email protected] } 1766729ed62eSMatthias Ringwald #endif 1767f3b012f9SMatthias Ringwald // SKIP LE init for Classic only configuration 1768f3b012f9SMatthias Ringwald hci_init_done(); 1769f3b012f9SMatthias Ringwald return; 1770f3b012f9SMatthias Ringwald #endif /* ENABLE_SCO_OVER_HCI */ 1771f3b012f9SMatthias Ringwald 1772a4e96e78SMatthias Ringwald // avoid compile error due to duplicate cases: HCI_INIT_W4_BCM_WRITE_SCO_PCM_INT == HCI_INIT_DONE-1 1773a4e96e78SMatthias Ringwald #if defined(ENABLE_BLE) || defined(ENABLE_LE_DATA_LENGTH_EXTENSION) || defined(ENABLE_LE_CENTRAL) 1774a650ba4dSMatthias Ringwald // Response to command before init done state -> init done 1775a650ba4dSMatthias Ringwald case (HCI_INIT_DONE-1): 1776a650ba4dSMatthias Ringwald hci_init_done(); 1777a650ba4dSMatthias Ringwald return; 1778a4e96e78SMatthias Ringwald #endif 1779a650ba4dSMatthias Ringwald 17806155b3d3S[email protected] default: 178174b323a9SMatthias Ringwald break; 17826155b3d3S[email protected] } 178355975f88SMatthias Ringwald hci_initializing_next_state(); 17846155b3d3S[email protected] } 17856155b3d3S[email protected] 1786*0bbba85bSMatthias Ringwald static void hci_handle_connection_failed(hci_connection_t * conn, uint8_t status){ 1787*0bbba85bSMatthias Ringwald int notify_dedicated_bonding_failed = conn->bonding_flags & BONDING_DEDICATED; 1788*0bbba85bSMatthias Ringwald bd_addr_t bd_address; 1789*0bbba85bSMatthias Ringwald memcpy(&bd_address, conn->address, 6); 1790*0bbba85bSMatthias Ringwald 1791*0bbba85bSMatthias Ringwald // connection failed, remove entry 1792*0bbba85bSMatthias Ringwald btstack_linked_list_remove(&hci_stack->connections, (btstack_linked_item_t *) conn); 1793*0bbba85bSMatthias Ringwald btstack_memory_hci_connection_free( conn ); 1794*0bbba85bSMatthias Ringwald 1795*0bbba85bSMatthias Ringwald // notify client if dedicated bonding 1796*0bbba85bSMatthias Ringwald if (notify_dedicated_bonding_failed){ 1797*0bbba85bSMatthias Ringwald log_info("hci notify_dedicated_bonding_failed"); 1798*0bbba85bSMatthias Ringwald hci_emit_dedicated_bonding_result(bd_address, status); 1799*0bbba85bSMatthias Ringwald } 1800*0bbba85bSMatthias Ringwald 1801*0bbba85bSMatthias Ringwald // if authentication error, also delete link key 1802*0bbba85bSMatthias Ringwald if (status == ERROR_CODE_AUTHENTICATION_FAILURE) { 1803*0bbba85bSMatthias Ringwald gap_drop_link_key_for_bd_addr(bd_address); 1804*0bbba85bSMatthias Ringwald } 1805*0bbba85bSMatthias Ringwald } 1806*0bbba85bSMatthias Ringwald 180716833f0aSmatthias.ringwald static void event_handler(uint8_t *packet, int size){ 1808e76a89eeS[email protected] 1809e76a89eeS[email protected] uint16_t event_length = packet[1]; 1810e76a89eeS[email protected] 1811e76a89eeS[email protected] // assert packet is complete 1812e76a89eeS[email protected] if (size != event_length + 2){ 1813f04a0c31SMatthias Ringwald log_error("hci.c: event_handler called with event packet of wrong size %d, expected %u => dropping packet", size, event_length + 2); 1814e76a89eeS[email protected] return; 1815e76a89eeS[email protected] } 1816e76a89eeS[email protected] 18171281a47eSmatthias.ringwald bd_addr_t addr; 181896a45072S[email protected] bd_addr_type_t addr_type; 1819fe1ed1b8Smatthias.ringwald hci_con_handle_t handle; 18201f7b95a1Smatthias.ringwald hci_connection_t * conn; 182156cf178bSmatthias.ringwald int i; 18220014e02cSMatthias Ringwald #ifdef ENABLE_CLASSIC 18230014e02cSMatthias Ringwald uint8_t link_type; 18240014e02cSMatthias Ringwald #endif 182535454696SMatthias Ringwald 18260e2df43fSMatthias Ringwald // log_info("HCI:EVENT:%02x", hci_event_packet_get_type(packet)); 18275909f7f2Smatthias.ringwald 18280e2df43fSMatthias Ringwald switch (hci_event_packet_get_type(packet)) { 182922909952Smatthias.ringwald 18306772a24cSmatthias.ringwald case HCI_EVENT_COMMAND_COMPLETE: 18316bef4003SMatthias Ringwald // get num cmd packets - limit to 1 to reduce complexity 18326bef4003SMatthias Ringwald hci_stack->num_cmd_packets = packet[2] ? 1 : 0; 18337ec5eeaaSmatthias.ringwald 18349e263bd7SMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){ 183506b9e820SMatthias Ringwald if (packet[5]) break; 18369e263bd7SMatthias Ringwald // terminate, name 248 chars 18379e263bd7SMatthias Ringwald packet[6+248] = 0; 18389e263bd7SMatthias Ringwald log_info("local name: %s", &packet[6]); 18399e263bd7SMatthias Ringwald } 1840073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_buffer_size)){ 18411d279b20Smatthias.ringwald // "The HC_ACL_Data_Packet_Length return parameter will be used to determine the size of the L2CAP segments contained in ACL Data Packets" 1842429122ccSMatthias Ringwald if (hci_stack->state == HCI_STATE_INITIALIZING){ 1843429122ccSMatthias Ringwald uint16_t acl_len = little_endian_read_16(packet, 6); 1844429122ccSMatthias Ringwald uint16_t sco_len = packet[8]; 1845429122ccSMatthias Ringwald 1846429122ccSMatthias Ringwald // determine usable ACL/SCO payload size 1847429122ccSMatthias Ringwald hci_stack->acl_data_packet_length = btstack_min(acl_len, HCI_ACL_PAYLOAD_SIZE); 1848429122ccSMatthias Ringwald hci_stack->sco_data_packet_length = btstack_min(sco_len, HCI_ACL_PAYLOAD_SIZE); 1849429122ccSMatthias Ringwald 1850f8fbdce0SMatthias Ringwald hci_stack->acl_packets_total_num = little_endian_read_16(packet, 9); 1851f8fbdce0SMatthias Ringwald hci_stack->sco_packets_total_num = little_endian_read_16(packet, 11); 1852a8b12447S[email protected] 1853429122ccSMatthias Ringwald log_info("hci_read_buffer_size: ACL size module %u -> used %u, count %u / SCO size %u, count %u", 1854429122ccSMatthias Ringwald acl_len, hci_stack->acl_data_packet_length, hci_stack->acl_packets_total_num, 18551a06f663S[email protected] hci_stack->sco_data_packet_length, hci_stack->sco_packets_total_num); 1856e2edc0c3Smatthias.ringwald } 185756cf178bSmatthias.ringwald } 1858a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 1859073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_le_read_buffer_size)){ 1860f8fbdce0SMatthias Ringwald hci_stack->le_data_packets_length = little_endian_read_16(packet, 6); 1861ee303eddS[email protected] hci_stack->le_acl_packets_total_num = packet[8]; 18626c26b087S[email protected] // determine usable ACL payload size 18636c26b087S[email protected] if (HCI_ACL_PAYLOAD_SIZE < hci_stack->le_data_packets_length){ 18646c26b087S[email protected] hci_stack->le_data_packets_length = HCI_ACL_PAYLOAD_SIZE; 18656c26b087S[email protected] } 18669da54300S[email protected] log_info("hci_le_read_buffer_size: size %u, count %u", hci_stack->le_data_packets_length, hci_stack->le_acl_packets_total_num); 186765a46ef3S[email protected] } 1868b435e062SMatthias Ringwald #endif 1869b435e062SMatthias Ringwald #ifdef ENABLE_LE_DATA_LENGTH_EXTENSION 1870dcd678baSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_le_read_maximum_data_length)){ 1871dcd678baSMatthias Ringwald hci_stack->le_supported_max_tx_octets = little_endian_read_16(packet, 6); 1872dcd678baSMatthias Ringwald hci_stack->le_supported_max_tx_time = little_endian_read_16(packet, 8); 1873dcd678baSMatthias Ringwald log_info("hci_le_read_maximum_data_length: tx octets %u, tx time %u us", hci_stack->le_supported_max_tx_octets, hci_stack->le_supported_max_tx_time); 1874dcd678baSMatthias Ringwald } 1875b435e062SMatthias Ringwald #endif 1876d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 1877073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_le_read_white_list_size)){ 1878e691bb38SMatthias Ringwald hci_stack->le_whitelist_capacity = packet[6]; 187915d0a15bSMatthias Ringwald log_info("hci_le_read_white_list_size: size %u", hci_stack->le_whitelist_capacity); 18803b6d4121SMatthias Ringwald } 188165a46ef3S[email protected] #endif 1882073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_bd_addr)) { 1883724d70a2SMatthias Ringwald reverse_bd_addr(&packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE + 1], 1884724d70a2SMatthias Ringwald hci_stack->local_bd_addr); 18859da54300S[email protected] log_info("Local Address, Status: 0x%02x: Addr: %s", 18863a9fb326S[email protected] packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE], bd_addr_to_str(hci_stack->local_bd_addr)); 188733373e40SMatthias Ringwald #ifdef ENABLE_CLASSIC 18881624665aSMatthias Ringwald if (hci_stack->link_key_db){ 18891624665aSMatthias Ringwald hci_stack->link_key_db->set_local_bd_addr(hci_stack->local_bd_addr); 18901624665aSMatthias Ringwald } 189133373e40SMatthias Ringwald #endif 1892188981d2Smatthias.ringwald } 189335454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 1894073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_write_scan_enable)){ 18953a9fb326S[email protected] hci_emit_discoverable_enabled(hci_stack->discoverable); 1896381fbed8Smatthias.ringwald } 1897f5875de5SMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_inquiry_cancel)){ 1898f5875de5SMatthias Ringwald if (hci_stack->inquiry_state == GAP_INQUIRY_STATE_W4_CANCELLED){ 1899f5875de5SMatthias Ringwald hci_stack->inquiry_state = GAP_INQUIRY_STATE_IDLE; 1900f5875de5SMatthias Ringwald uint8_t event[] = { GAP_EVENT_INQUIRY_COMPLETE, 1, 0}; 1901f5875de5SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 1902f5875de5SMatthias Ringwald } 1903f5875de5SMatthias Ringwald } 190435454696SMatthias Ringwald #endif 190535454696SMatthias Ringwald 190665389bfcS[email protected] // Note: HCI init checks 1907073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_supported_features)){ 19083a9fb326S[email protected] memcpy(hci_stack->local_supported_features, &packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1], 8); 190965389bfcS[email protected] 191035454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 1911a5a23fc2S[email protected] // determine usable ACL packet types based on host buffer size and supported features 1912a5a23fc2S[email protected] hci_stack->packet_types = hci_acl_packet_types_for_buffer_size_and_local_features(HCI_ACL_PAYLOAD_SIZE, &hci_stack->local_supported_features[0]); 19138b96126aSMatthias Ringwald log_info("Packet types %04x, eSCO %u", hci_stack->packet_types, hci_extended_sco_link_supported()); 191435454696SMatthias Ringwald #endif 1915f5d8d141S[email protected] // Classic/LE 1916f5d8d141S[email protected] log_info("BR/EDR support %u, LE support %u", hci_classic_supported(), hci_le_supported()); 1917559e517eS[email protected] } 1918073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){ 1919f8fbdce0SMatthias Ringwald // hci_stack->hci_version = little_endian_read_16(packet, 4); 1920f8fbdce0SMatthias Ringwald // hci_stack->hci_revision = little_endian_read_16(packet, 6); 1921f8fbdce0SMatthias Ringwald // hci_stack->lmp_version = little_endian_read_16(packet, 8); 1922f8fbdce0SMatthias Ringwald hci_stack->manufacturer = little_endian_read_16(packet, 10); 1923f8fbdce0SMatthias Ringwald // hci_stack->lmp_subversion = little_endian_read_16(packet, 12); 19244696bddbSMatthias Ringwald log_info("Manufacturer: 0x%04x", hci_stack->manufacturer); 19254696bddbSMatthias Ringwald } 1926073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_supported_commands)){ 1927a828a756SMatthias Ringwald hci_stack->local_supported_commands[0] = 19283905afbfSMatthias Ringwald (packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1+14] & 0x80) >> 7 | // bit 0 = Octet 14, bit 7 19293905afbfSMatthias Ringwald (packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1+24] & 0x40) >> 5 | // bit 1 = Octet 24, bit 6 19303905afbfSMatthias Ringwald (packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1+10] & 0x10) >> 2 | // bit 2 = Octet 10, bit 4 1931220006fbSMatthias Ringwald (packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1+18] & 0x08) | // bit 3 = Octet 18, bit 3 1932220006fbSMatthias Ringwald (packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1+34] & 0x01) << 4 | // bit 4 = Octet 34, bit 0 1933220006fbSMatthias Ringwald (packet[OFFSET_OF_DATA_IN_COMMAND_COMPLETE+1+35] & 0x08) << 2; // bit 5 = Octet 35, bit 3 19343905afbfSMatthias Ringwald log_info("Local supported commands summary 0x%02x", hci_stack->local_supported_commands[0]); 1935a828a756SMatthias Ringwald } 1936e8c8828eSMatthias Ringwald #ifdef ENABLE_CLASSIC 1937073bd0faSMatthias Ringwald if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_write_synchronous_flow_control_enable)){ 19385b9b590fSMatthias Ringwald if (packet[5] == 0){ 19395b9b590fSMatthias Ringwald hci_stack->synchronous_flow_control_enabled = 1; 19405b9b590fSMatthias Ringwald } 19415b9b590fSMatthias Ringwald } 1942e8c8828eSMatthias Ringwald #endif 194356cf178bSmatthias.ringwald break; 194456cf178bSmatthias.ringwald 19457ec5eeaaSmatthias.ringwald case HCI_EVENT_COMMAND_STATUS: 19466bef4003SMatthias Ringwald // get num cmd packets - limit to 1 to reduce complexity 19476bef4003SMatthias Ringwald hci_stack->num_cmd_packets = packet[3] ? 1 : 0; 19487ec5eeaaSmatthias.ringwald break; 19497ec5eeaaSmatthias.ringwald 19502e440c8aS[email protected] case HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS:{ 19512e440c8aS[email protected] int offset = 3; 195256cf178bSmatthias.ringwald for (i=0; i<packet[2];i++){ 195380117cebSMatthias Ringwald handle = little_endian_read_16(packet, offset) & 0x0fff; 19542e440c8aS[email protected] offset += 2; 1955f8fbdce0SMatthias Ringwald uint16_t num_packets = little_endian_read_16(packet, offset); 19562e440c8aS[email protected] offset += 2; 19572e440c8aS[email protected] 19585061f3afS[email protected] conn = hci_connection_for_handle(handle); 195956cf178bSmatthias.ringwald if (!conn){ 19609da54300S[email protected] log_error("hci_number_completed_packet lists unused con handle %u", handle); 196156cf178bSmatthias.ringwald continue; 196256cf178bSmatthias.ringwald } 196323bed257S[email protected] 1964e35edcc1S[email protected] if (conn->address_type == BD_ADDR_TYPE_SCO){ 196535454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 1966e35edcc1S[email protected] if (conn->num_sco_packets_sent >= num_packets){ 1967e35edcc1S[email protected] conn->num_sco_packets_sent -= num_packets; 1968e35edcc1S[email protected] } else { 1969e35edcc1S[email protected] log_error("hci_number_completed_packets, more sco slots freed then sent."); 1970e35edcc1S[email protected] conn->num_sco_packets_sent = 0; 1971e35edcc1S[email protected] } 1972701e3307SMatthias Ringwald hci_notify_if_sco_can_send_now(); 197335454696SMatthias Ringwald #endif 1974e35edcc1S[email protected] } else { 197523bed257S[email protected] if (conn->num_acl_packets_sent >= num_packets){ 197656cf178bSmatthias.ringwald conn->num_acl_packets_sent -= num_packets; 197723bed257S[email protected] } else { 1978e35edcc1S[email protected] log_error("hci_number_completed_packets, more acl slots freed then sent."); 197923bed257S[email protected] conn->num_acl_packets_sent = 0; 198023bed257S[email protected] } 1981e35edcc1S[email protected] } 19829da54300S[email protected] // log_info("hci_number_completed_packet %u processed for handle %u, outstanding %u", num_packets, handle, conn->num_acl_packets_sent); 198356cf178bSmatthias.ringwald } 19846772a24cSmatthias.ringwald break; 19852e440c8aS[email protected] } 198635454696SMatthias Ringwald 198735454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 1988f5875de5SMatthias Ringwald case HCI_EVENT_INQUIRY_COMPLETE: 1989f5875de5SMatthias Ringwald if (hci_stack->inquiry_state == GAP_INQUIRY_STATE_ACTIVE){ 1990f5875de5SMatthias Ringwald hci_stack->inquiry_state = GAP_INQUIRY_STATE_IDLE; 1991f5875de5SMatthias Ringwald uint8_t event[] = { GAP_EVENT_INQUIRY_COMPLETE, 1, 0}; 1992f5875de5SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 1993f5875de5SMatthias Ringwald } 1994f5875de5SMatthias Ringwald break; 1995b7f1ee76SMatthias Ringwald case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE: 1996b7f1ee76SMatthias Ringwald if (hci_stack->remote_name_state == GAP_REMOTE_NAME_STATE_W4_COMPLETE){ 1997b7f1ee76SMatthias Ringwald hci_stack->remote_name_state = GAP_REMOTE_NAME_STATE_IDLE; 1998b7f1ee76SMatthias Ringwald } 1999b7f1ee76SMatthias Ringwald break; 20001f7b95a1Smatthias.ringwald case HCI_EVENT_CONNECTION_REQUEST: 2001724d70a2SMatthias Ringwald reverse_bd_addr(&packet[2], addr); 200237eaa4cfSmatthias.ringwald // TODO: eval COD 8-10 20032d00edd4Smatthias.ringwald link_type = packet[11]; 20049da54300S[email protected] log_info("Connection_incoming: %s, type %u", bd_addr_to_str(addr), link_type); 2005e35edcc1S[email protected] addr_type = link_type == 1 ? BD_ADDR_TYPE_CLASSIC : BD_ADDR_TYPE_SCO; 20062e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, addr_type); 20071f7b95a1Smatthias.ringwald if (!conn) { 20085293c072S[email protected] conn = create_connection_for_bd_addr_and_type(addr, addr_type); 20091f7b95a1Smatthias.ringwald } 2010ce4c8fabSmatthias.ringwald if (!conn) { 2011ce4c8fabSmatthias.ringwald // CONNECTION REJECTED DUE TO LIMITED RESOURCES (0X0D) 20123a9fb326S[email protected] hci_stack->decline_reason = 0x0d; 2013058e3d6bSMatthias Ringwald bd_addr_copy(hci_stack->decline_addr, addr); 2014ce4c8fabSmatthias.ringwald break; 2015ce4c8fabSmatthias.ringwald } 20165cf766e8SMatthias Ringwald conn->role = HCI_ROLE_SLAVE; 201732ab9390Smatthias.ringwald conn->state = RECEIVED_CONNECTION_REQUEST; 2018f3a16b9aSMatthias Ringwald // store info about eSCO 2019f3a16b9aSMatthias Ringwald if (link_type == 0x02){ 2020f3a16b9aSMatthias Ringwald conn->remote_supported_feature_eSCO = 1; 2021f3a16b9aSMatthias Ringwald } 202232ab9390Smatthias.ringwald hci_run(); 20231f7b95a1Smatthias.ringwald break; 20241f7b95a1Smatthias.ringwald 20256772a24cSmatthias.ringwald case HCI_EVENT_CONNECTION_COMPLETE: 2026fe1ed1b8Smatthias.ringwald // Connection management 2027724d70a2SMatthias Ringwald reverse_bd_addr(&packet[5], addr); 20289da54300S[email protected] log_info("Connection_complete (status=%u) %s", packet[2], bd_addr_to_str(addr)); 202996a45072S[email protected] addr_type = BD_ADDR_TYPE_CLASSIC; 20302e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, addr_type); 2031fe1ed1b8Smatthias.ringwald if (conn) { 2032b448a0e7Smatthias.ringwald if (!packet[2]){ 2033c8e4258aSmatthias.ringwald conn->state = OPEN; 2034f8fbdce0SMatthias Ringwald conn->con_handle = little_endian_read_16(packet, 3); 2035ad83dc6aS[email protected] conn->bonding_flags |= BONDING_REQUEST_REMOTE_FEATURES; 2036ee091cf1Smatthias.ringwald 2037c785ef68Smatthias.ringwald // restart timer 2038528a4a3bSMatthias Ringwald btstack_run_loop_set_timer(&conn->timeout, HCI_CONNECTION_TIMEOUT_MS); 2039528a4a3bSMatthias Ringwald btstack_run_loop_add_timer(&conn->timeout); 2040c785ef68Smatthias.ringwald 20419da54300S[email protected] log_info("New connection: handle %u, %s", conn->con_handle, bd_addr_to_str(conn->address)); 204243bfb1bdSmatthias.ringwald 204343bfb1bdSmatthias.ringwald hci_emit_nr_connections_changed(); 2044b448a0e7Smatthias.ringwald } else { 2045*0bbba85bSMatthias Ringwald // connection failed 2046*0bbba85bSMatthias Ringwald hci_handle_connection_failed(conn, packet[2]); 2047fe1ed1b8Smatthias.ringwald } 2048fe1ed1b8Smatthias.ringwald } 20496772a24cSmatthias.ringwald break; 2050fe1ed1b8Smatthias.ringwald 205144d0e3d5S[email protected] case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE: 2052724d70a2SMatthias Ringwald reverse_bd_addr(&packet[5], addr); 205344d0e3d5S[email protected] log_info("Synchronous Connection Complete (status=%u) %s", packet[2], bd_addr_to_str(addr)); 20541a06f663S[email protected] if (packet[2]){ 205544d0e3d5S[email protected] // connection failed 205644d0e3d5S[email protected] break; 205744d0e3d5S[email protected] } 20582e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_SCO); 2059e35edcc1S[email protected] if (!conn) { 2060e35edcc1S[email protected] conn = create_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_SCO); 2061e35edcc1S[email protected] } 2062e35edcc1S[email protected] if (!conn) { 2063e35edcc1S[email protected] break; 2064e35edcc1S[email protected] } 20651a06f663S[email protected] conn->state = OPEN; 2066f8fbdce0SMatthias Ringwald conn->con_handle = little_endian_read_16(packet, 3); 2067ee752bb8SMatthias Ringwald 2068ee752bb8SMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 2069ee752bb8SMatthias Ringwald // update SCO 2070ee752bb8SMatthias Ringwald if (conn->address_type == BD_ADDR_TYPE_SCO && hci_stack->hci_transport && hci_stack->hci_transport->set_sco_config){ 2071ee752bb8SMatthias Ringwald hci_stack->hci_transport->set_sco_config(hci_stack->sco_voice_setting_active, hci_number_sco_connections()); 2072ee752bb8SMatthias Ringwald } 2073ee752bb8SMatthias Ringwald #endif 207444d0e3d5S[email protected] break; 207544d0e3d5S[email protected] 2076afd4e962S[email protected] case HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE: 2077f8fbdce0SMatthias Ringwald handle = little_endian_read_16(packet, 3); 2078afd4e962S[email protected] conn = hci_connection_for_handle(handle); 2079afd4e962S[email protected] if (!conn) break; 2080afd4e962S[email protected] if (!packet[2]){ 2081afd4e962S[email protected] uint8_t * features = &packet[5]; 2082afd4e962S[email protected] if (features[6] & (1 << 3)){ 2083afd4e962S[email protected] conn->bonding_flags |= BONDING_REMOTE_SUPPORTS_SSP; 2084afd4e962S[email protected] } 208598a2fd1cSMatthias Ringwald if (features[3] & (1<<7)){ 208698a2fd1cSMatthias Ringwald conn->remote_supported_feature_eSCO = 1; 208798a2fd1cSMatthias Ringwald } 2088afd4e962S[email protected] } 2089afd4e962S[email protected] conn->bonding_flags |= BONDING_RECEIVED_REMOTE_FEATURES; 209098a2fd1cSMatthias Ringwald log_info("HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE, bonding flags %x, eSCO %u", conn->bonding_flags, conn->remote_supported_feature_eSCO); 2091ad83dc6aS[email protected] if (conn->bonding_flags & BONDING_DEDICATED){ 2092ad83dc6aS[email protected] conn->bonding_flags |= BONDING_SEND_AUTHENTICATE_REQUEST; 2093ad83dc6aS[email protected] } 2094afd4e962S[email protected] break; 2095afd4e962S[email protected] 20967fde4af9Smatthias.ringwald case HCI_EVENT_LINK_KEY_REQUEST: 20979da54300S[email protected] log_info("HCI_EVENT_LINK_KEY_REQUEST"); 20987fde4af9Smatthias.ringwald hci_add_connection_flags_for_flipped_bd_addr(&packet[2], RECV_LINK_KEY_REQUEST); 209974d716b5S[email protected] // non-bondable mode: link key negative reply will be sent by HANDLE_LINK_KEY_REQUEST 2100a98592bcSMatthias Ringwald if (hci_stack->bondable && !hci_stack->link_key_db) break; 210132ab9390Smatthias.ringwald hci_add_connection_flags_for_flipped_bd_addr(&packet[2], HANDLE_LINK_KEY_REQUEST); 210264472d52Smatthias.ringwald hci_run(); 2103d9a327f9Smatthias.ringwald // request handled by hci_run() as HANDLE_LINK_KEY_REQUEST gets set 210429d53098Smatthias.ringwald return; 21057fde4af9Smatthias.ringwald 21069ab95c90S[email protected] case HCI_EVENT_LINK_KEY_NOTIFICATION: { 2107724d70a2SMatthias Ringwald reverse_bd_addr(&packet[2], addr); 21082e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_CLASSIC); 21099ab95c90S[email protected] if (!conn) break; 21109ab95c90S[email protected] conn->authentication_flags |= RECV_LINK_KEY_NOTIFICATION; 21117bdc6798S[email protected] link_key_type_t link_key_type = (link_key_type_t)packet[24]; 21129ab95c90S[email protected] // Change Connection Encryption keeps link key type 21139ab95c90S[email protected] if (link_key_type != CHANGED_COMBINATION_KEY){ 21149ab95c90S[email protected] conn->link_key_type = link_key_type; 21159ab95c90S[email protected] } 211655597469SMatthias Ringwald gap_store_link_key_for_bd_addr(addr, &packet[8], conn->link_key_type); 211729d53098Smatthias.ringwald // still forward event to allow dismiss of pairing dialog 21187fde4af9Smatthias.ringwald break; 21199ab95c90S[email protected] } 21207fde4af9Smatthias.ringwald 21217fde4af9Smatthias.ringwald case HCI_EVENT_PIN_CODE_REQUEST: 21226724cd9eS[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], LEGACY_PAIRING_ACTIVE); 21234c57c146S[email protected] // non-bondable mode: pin code negative reply will be sent 21243a9fb326S[email protected] if (!hci_stack->bondable){ 2125899283eaS[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], DENY_PIN_CODE_REQUEST); 2126f8fb5f6eS[email protected] hci_run(); 2127f8fb5f6eS[email protected] return; 21284c57c146S[email protected] } 2129d9a327f9Smatthias.ringwald // PIN CODE REQUEST means the link key request didn't succee -> delete stored link key 2130a98592bcSMatthias Ringwald if (!hci_stack->link_key_db) break; 2131a6ef64baSMilanka Ringwald hci_event_pin_code_request_get_bd_addr(packet, addr); 2132a98592bcSMatthias Ringwald hci_stack->link_key_db->delete_link_key(addr); 21337fde4af9Smatthias.ringwald break; 21347fde4af9Smatthias.ringwald 21351d6b20aeS[email protected] case HCI_EVENT_IO_CAPABILITY_REQUEST: 21361d6b20aeS[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], RECV_IO_CAPABILITIES_REQUEST); 2137dbe1a790S[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_IO_CAPABILITIES_REPLY); 2138dbe1a790S[email protected] break; 2139dbe1a790S[email protected] 2140dbe1a790S[email protected] case HCI_EVENT_USER_CONFIRMATION_REQUEST: 21416724cd9eS[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SSP_PAIRING_ACTIVE); 21423a9fb326S[email protected] if (!hci_stack->ssp_auto_accept) break; 2143dbe1a790S[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_USER_CONFIRM_REPLY); 2144dbe1a790S[email protected] break; 2145dbe1a790S[email protected] 2146dbe1a790S[email protected] case HCI_EVENT_USER_PASSKEY_REQUEST: 21476724cd9eS[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SSP_PAIRING_ACTIVE); 21483a9fb326S[email protected] if (!hci_stack->ssp_auto_accept) break; 2149dbe1a790S[email protected] hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_USER_PASSKEY_REPLY); 21501d6b20aeS[email protected] break; 215135454696SMatthias Ringwald #endif 21521d6b20aeS[email protected] 2153f0944df2S[email protected] case HCI_EVENT_ENCRYPTION_CHANGE: 2154f8fbdce0SMatthias Ringwald handle = little_endian_read_16(packet, 3); 2155f0944df2S[email protected] conn = hci_connection_for_handle(handle); 2156f0944df2S[email protected] if (!conn) break; 2157ad83dc6aS[email protected] if (packet[2] == 0) { 2158f0944df2S[email protected] if (packet[5]){ 2159f0944df2S[email protected] conn->authentication_flags |= CONNECTION_ENCRYPTED; 2160f0944df2S[email protected] } else { 2161536f9994S[email protected] conn->authentication_flags &= ~CONNECTION_ENCRYPTED; 2162f0944df2S[email protected] } 2163ad83dc6aS[email protected] } 216435454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 2165a00031e2S[email protected] hci_emit_security_level(handle, gap_security_level_for_connection(conn)); 216635454696SMatthias Ringwald #endif 2167f0944df2S[email protected] break; 2168f0944df2S[email protected] 216935454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 21701eb2563eS[email protected] case HCI_EVENT_AUTHENTICATION_COMPLETE_EVENT: 2171f8fbdce0SMatthias Ringwald handle = little_endian_read_16(packet, 3); 21721eb2563eS[email protected] conn = hci_connection_for_handle(handle); 21731eb2563eS[email protected] if (!conn) break; 2174ad83dc6aS[email protected] 2175ad83dc6aS[email protected] // dedicated bonding: send result and disconnect 2176ad83dc6aS[email protected] if (conn->bonding_flags & BONDING_DEDICATED){ 2177ad83dc6aS[email protected] conn->bonding_flags &= ~BONDING_DEDICATED; 2178ad83dc6aS[email protected] conn->bonding_flags |= BONDING_DISCONNECT_DEDICATED_DONE; 21791bd5283dS[email protected] conn->bonding_status = packet[2]; 2180ad83dc6aS[email protected] break; 2181ad83dc6aS[email protected] } 2182ad83dc6aS[email protected] 2183b5cb6874S[email protected] if (packet[2] == 0 && gap_security_level_for_link_key_type(conn->link_key_type) >= conn->requested_security_level){ 21841eb2563eS[email protected] // link key sufficient for requested security 21851eb2563eS[email protected] conn->bonding_flags |= BONDING_SEND_ENCRYPTION_REQUEST; 2186ad83dc6aS[email protected] break; 2187ad83dc6aS[email protected] } 21881eb2563eS[email protected] // not enough 21891eb2563eS[email protected] hci_emit_security_level(handle, gap_security_level_for_connection(conn)); 21901eb2563eS[email protected] break; 219135454696SMatthias Ringwald #endif 219234d2123cS[email protected] 219386805605S[email protected] // HCI_EVENT_DISCONNECTION_COMPLETE 2194ccda6e14S[email protected] // has been split, to first notify stack before shutting connection down 2195ccda6e14S[email protected] // see end of function, too. 2196a4f30ec0S[email protected] case HCI_EVENT_DISCONNECTION_COMPLETE: 2197a4f30ec0S[email protected] if (packet[2]) break; // status != 0 2198f8fbdce0SMatthias Ringwald handle = little_endian_read_16(packet, 3); 2199c6a37cfdSMatthias Ringwald // drop outgoing ACL fragments if it is for closed connection 2200c6a37cfdSMatthias Ringwald if (hci_stack->acl_fragmentation_total_size > 0) { 2201c6a37cfdSMatthias Ringwald if (handle == READ_ACL_CONNECTION_HANDLE(hci_stack->hci_packet_buffer)){ 2202c6a37cfdSMatthias Ringwald log_info("hci: drop fragmented ACL data for closed connection"); 2203c6a37cfdSMatthias Ringwald hci_stack->acl_fragmentation_total_size = 0; 2204c6a37cfdSMatthias Ringwald hci_stack->acl_fragmentation_pos = 0; 2205c6a37cfdSMatthias Ringwald } 2206c6a37cfdSMatthias Ringwald } 220735454696SMatthias Ringwald 22089a2e4658SMatthias Ringwald // re-enable advertisements for le connections if active 2209c6a37cfdSMatthias Ringwald conn = hci_connection_for_handle(handle); 2210c6a37cfdSMatthias Ringwald if (!conn) break; 2211a70e17d4SMatthias Ringwald conn->state = RECEIVED_DISCONNECTION_COMPLETE; 221235454696SMatthias Ringwald #ifdef ENABLE_BLE 2213d70217a2SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 22142b6ab3e6SMatthias Ringwald if (hci_is_le_connection(conn)){ 22152b6ab3e6SMatthias Ringwald hci_reenable_advertisements_if_needed(); 22169a2e4658SMatthias Ringwald } 221735454696SMatthias Ringwald #endif 2218d70217a2SMatthias Ringwald #endif 2219ccda6e14S[email protected] break; 22206772a24cSmatthias.ringwald 2221c68bdf90Smatthias.ringwald case HCI_EVENT_HARDWARE_ERROR: 2222313e5f9cSMatthias Ringwald log_error("Hardware Error: 0x%02x", packet[2]); 2223d23838ecSMatthias Ringwald if (hci_stack->hardware_error_callback){ 2224c2e1fa60SMatthias Ringwald (*hci_stack->hardware_error_callback)(packet[2]); 22257586ee35S[email protected] } else { 22267586ee35S[email protected] // if no special requests, just reboot stack 22277586ee35S[email protected] hci_power_control_off(); 22287586ee35S[email protected] hci_power_control_on(); 2229c68bdf90Smatthias.ringwald } 2230c68bdf90Smatthias.ringwald break; 2231c68bdf90Smatthias.ringwald 22320e6f3837SMatthias Ringwald #ifdef ENABLE_CLASSIC 22335cf766e8SMatthias Ringwald case HCI_EVENT_ROLE_CHANGE: 22345cf766e8SMatthias Ringwald if (packet[2]) break; // status != 0 2235c4c88f1bSJakob Krantz reverse_bd_addr(&packet[3], addr); 2236c4c88f1bSJakob Krantz addr_type = BD_ADDR_TYPE_CLASSIC; 2237c4c88f1bSJakob Krantz conn = hci_connection_for_bd_addr_and_type(addr, addr_type); 2238c4c88f1bSJakob Krantz if (!conn) break; 22395cf766e8SMatthias Ringwald conn->role = packet[9]; 22405cf766e8SMatthias Ringwald break; 22410e6f3837SMatthias Ringwald #endif 22425cf766e8SMatthias Ringwald 224363fa3374SMatthias Ringwald case HCI_EVENT_TRANSPORT_PACKET_SENT: 2244d051460cS[email protected] // release packet buffer only for asynchronous transport and if there are not further fragements 22454fa24b5fS[email protected] if (hci_transport_synchronous()) { 224663fa3374SMatthias Ringwald log_error("Synchronous HCI Transport shouldn't send HCI_EVENT_TRANSPORT_PACKET_SENT"); 22474fa24b5fS[email protected] return; // instead of break: to avoid re-entering hci_run() 22484fa24b5fS[email protected] } 2249d051460cS[email protected] if (hci_stack->acl_fragmentation_total_size) break; 2250d051460cS[email protected] hci_release_packet_buffer(); 2251701e3307SMatthias Ringwald 225263fa3374SMatthias Ringwald // L2CAP receives this event via the hci_emit_event below 225363fa3374SMatthias Ringwald 225435454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 225563fa3374SMatthias Ringwald // For SCO, we do the can_send_now_check here 2256701e3307SMatthias Ringwald hci_notify_if_sco_can_send_now(); 225735454696SMatthias Ringwald #endif 22586b4af23dS[email protected] break; 22596b4af23dS[email protected] 226035454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 226163fa3374SMatthias Ringwald case HCI_EVENT_SCO_CAN_SEND_NOW: 226263fa3374SMatthias Ringwald // For SCO, we do the can_send_now_check here 226363fa3374SMatthias Ringwald hci_notify_if_sco_can_send_now(); 226463fa3374SMatthias Ringwald return; 22651cfb383eSMatthias Ringwald 22661cfb383eSMatthias Ringwald // explode inquriy results for easier consumption 22671cfb383eSMatthias Ringwald case HCI_EVENT_INQUIRY_RESULT: 22681cfb383eSMatthias Ringwald case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 22691cfb383eSMatthias Ringwald case HCI_EVENT_EXTENDED_INQUIRY_RESPONSE: 22701cfb383eSMatthias Ringwald gap_inquiry_explode(packet); 22711cfb383eSMatthias Ringwald break; 227235454696SMatthias Ringwald #endif 227363fa3374SMatthias Ringwald 2274a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 22755909f7f2Smatthias.ringwald case HCI_EVENT_LE_META: 22765909f7f2Smatthias.ringwald switch (packet[2]){ 2277d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 227857c9da5bS[email protected] case HCI_SUBEVENT_LE_ADVERTISING_REPORT: 22794f4e0224SMatthias Ringwald // log_info("advertising report received"); 22806fab74dbSMatthias Ringwald if (!hci_stack->le_scanning_enabled) break; 228157c9da5bS[email protected] le_handle_advertisement_report(packet, size); 22827bdc6798S[email protected] break; 2283d70217a2SMatthias Ringwald #endif 22845909f7f2Smatthias.ringwald case HCI_SUBEVENT_LE_CONNECTION_COMPLETE: 22855909f7f2Smatthias.ringwald // Connection management 2286724d70a2SMatthias Ringwald reverse_bd_addr(&packet[8], addr); 22877bdc6798S[email protected] addr_type = (bd_addr_type_t)packet[7]; 22889da54300S[email protected] log_info("LE Connection_complete (status=%u) type %u, %s", packet[3], addr_type, bd_addr_to_str(addr)); 22892e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, addr_type); 22909c77c9dbSMatthias Ringwald 2291d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 229242ff5ba1SMatthias Ringwald // if auto-connect, remove from whitelist in both roles 229342ff5ba1SMatthias Ringwald if (hci_stack->le_connecting_state == LE_CONNECTING_WHITELIST){ 229442ff5ba1SMatthias Ringwald hci_remove_from_whitelist(addr_type, addr); 229542ff5ba1SMatthias Ringwald } 229642ff5ba1SMatthias Ringwald // handle error: error is reported only to the initiator -> outgoing connection 22975909f7f2Smatthias.ringwald if (packet[3]){ 22989c77c9dbSMatthias Ringwald 22999c77c9dbSMatthias Ringwald // handle cancelled outgoing connection 23009c77c9dbSMatthias Ringwald // "If the cancellation was successful then, after the Command Complete event for the LE_Create_Connection_Cancel command, 23019c77c9dbSMatthias Ringwald // either an LE Connection Complete or an LE Enhanced Connection Complete event shall be generated. 23029c77c9dbSMatthias Ringwald // In either case, the event shall be sent with the error code Unknown Connection Identifier (0x02)." 23039c77c9dbSMatthias Ringwald if (packet[3] == ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER){ 23049c77c9dbSMatthias Ringwald conn = gap_get_outgoing_connection(); 23059c77c9dbSMatthias Ringwald } 23069c77c9dbSMatthias Ringwald 230742ff5ba1SMatthias Ringwald // outgoing connection establishment is done 230842ff5ba1SMatthias Ringwald hci_stack->le_connecting_state = LE_CONNECTING_IDLE; 230942ff5ba1SMatthias Ringwald // remove entry 23105909f7f2Smatthias.ringwald if (conn){ 2311665d90f2SMatthias Ringwald btstack_linked_list_remove(&hci_stack->connections, (btstack_linked_item_t *) conn); 23125909f7f2Smatthias.ringwald btstack_memory_hci_connection_free( conn ); 23135909f7f2Smatthias.ringwald } 23145909f7f2Smatthias.ringwald break; 23155909f7f2Smatthias.ringwald } 2316d70217a2SMatthias Ringwald #endif 231742ff5ba1SMatthias Ringwald // on success, both hosts receive connection complete event 23185cf766e8SMatthias Ringwald if (packet[6] == HCI_ROLE_MASTER){ 2319d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 232042ff5ba1SMatthias Ringwald // if we're master, it was an outgoing connection and we're done with it 232142ff5ba1SMatthias Ringwald hci_stack->le_connecting_state = LE_CONNECTING_IDLE; 2322d70217a2SMatthias Ringwald #endif 232342ff5ba1SMatthias Ringwald } else { 2324d70217a2SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 232542ff5ba1SMatthias Ringwald // if we're slave, it was an incoming connection, advertisements have stopped 2326171293d3SMatthias Ringwald hci_stack->le_advertisements_active = 0; 2327d70217a2SMatthias Ringwald #endif 232842ff5ba1SMatthias Ringwald } 2329171293d3SMatthias Ringwald // LE connections are auto-accepted, so just create a connection if there isn't one already 233042ff5ba1SMatthias Ringwald if (!conn){ 233196a45072S[email protected] conn = create_connection_for_bd_addr_and_type(addr, addr_type); 23325909f7f2Smatthias.ringwald } 233342ff5ba1SMatthias Ringwald // no memory, sorry. 23345909f7f2Smatthias.ringwald if (!conn){ 23355909f7f2Smatthias.ringwald break; 23365909f7f2Smatthias.ringwald } 23375909f7f2Smatthias.ringwald 23385909f7f2Smatthias.ringwald conn->state = OPEN; 23395cf766e8SMatthias Ringwald conn->role = packet[6]; 2340f8fbdce0SMatthias Ringwald conn->con_handle = little_endian_read_16(packet, 4); 23415909f7f2Smatthias.ringwald 23422b6ab3e6SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 23432b6ab3e6SMatthias Ringwald if (packet[6] == HCI_ROLE_SLAVE){ 23442b6ab3e6SMatthias Ringwald hci_reenable_advertisements_if_needed(); 23452b6ab3e6SMatthias Ringwald } 23462b6ab3e6SMatthias Ringwald #endif 23472b6ab3e6SMatthias Ringwald 23485909f7f2Smatthias.ringwald // TODO: store - role, peer address type, conn_interval, conn_latency, supervision timeout, master clock 23495909f7f2Smatthias.ringwald 23505909f7f2Smatthias.ringwald // restart timer 2351528a4a3bSMatthias Ringwald // btstack_run_loop_set_timer(&conn->timeout, HCI_CONNECTION_TIMEOUT_MS); 2352528a4a3bSMatthias Ringwald // btstack_run_loop_add_timer(&conn->timeout); 23535909f7f2Smatthias.ringwald 23549da54300S[email protected] log_info("New connection: handle %u, %s", conn->con_handle, bd_addr_to_str(conn->address)); 23555909f7f2Smatthias.ringwald 23565909f7f2Smatthias.ringwald hci_emit_nr_connections_changed(); 23575909f7f2Smatthias.ringwald break; 23585909f7f2Smatthias.ringwald 2359f8fbdce0SMatthias Ringwald // log_info("LE buffer size: %u, count %u", little_endian_read_16(packet,6), packet[8]); 236065a46ef3S[email protected] 236173cd8a2aSMatthias Ringwald case HCI_SUBEVENT_LE_REMOTE_CONNECTION_PARAMETER_REQUEST: 236273cd8a2aSMatthias Ringwald // connection 236373cd8a2aSMatthias Ringwald handle = hci_subevent_le_remote_connection_parameter_request_get_connection_handle(packet); 236473cd8a2aSMatthias Ringwald conn = hci_connection_for_handle(handle); 236573cd8a2aSMatthias Ringwald if (conn) { 236673cd8a2aSMatthias Ringwald // read arguments 236773cd8a2aSMatthias Ringwald uint16_t le_conn_interval_min = hci_subevent_le_remote_connection_parameter_request_get_interval_min(packet); 236873cd8a2aSMatthias Ringwald uint16_t le_conn_interval_max = hci_subevent_le_remote_connection_parameter_request_get_interval_max(packet); 236973cd8a2aSMatthias Ringwald uint16_t le_conn_latency = hci_subevent_le_remote_connection_parameter_request_get_latency(packet); 237073cd8a2aSMatthias Ringwald uint16_t le_supervision_timeout = hci_subevent_le_remote_connection_parameter_request_get_timeout(packet); 237173cd8a2aSMatthias Ringwald 237273cd8a2aSMatthias Ringwald // validate against current connection parameter range 237373cd8a2aSMatthias Ringwald le_connection_parameter_range_t existing_range; 237473cd8a2aSMatthias Ringwald gap_get_connection_parameter_range(&existing_range); 237573cd8a2aSMatthias Ringwald int update_parameter = gap_connection_parameter_range_included(&existing_range, le_conn_interval_min, le_conn_interval_max, le_conn_latency, le_supervision_timeout); 237673cd8a2aSMatthias Ringwald if (update_parameter){ 237773cd8a2aSMatthias Ringwald conn->le_con_parameter_update_state = CON_PARAMETER_UPDATE_REPLY; 237873cd8a2aSMatthias Ringwald conn->le_conn_interval_min = le_conn_interval_min; 237973cd8a2aSMatthias Ringwald conn->le_conn_interval_max = le_conn_interval_max; 238073cd8a2aSMatthias Ringwald conn->le_conn_latency = le_conn_latency; 238173cd8a2aSMatthias Ringwald conn->le_supervision_timeout = le_supervision_timeout; 238273cd8a2aSMatthias Ringwald } else { 238373cd8a2aSMatthias Ringwald conn->le_con_parameter_update_state = CON_PARAMETER_UPDATE_DENY; 238473cd8a2aSMatthias Ringwald } 238573cd8a2aSMatthias Ringwald } 238673cd8a2aSMatthias Ringwald break; 23875909f7f2Smatthias.ringwald default: 23885909f7f2Smatthias.ringwald break; 23895909f7f2Smatthias.ringwald } 23905909f7f2Smatthias.ringwald break; 23915909f7f2Smatthias.ringwald #endif 23920b36101dSMatthias Ringwald case HCI_EVENT_VENDOR_SPECIFIC: 23930b36101dSMatthias Ringwald // Vendor specific commands often create vendor specific event instead of num completed packets 23940b36101dSMatthias Ringwald // To avoid getting stuck as num_cmds_packets is zero, reset it to 1 for controllers with this behaviour 23950b36101dSMatthias Ringwald switch (hci_stack->manufacturer){ 23960b36101dSMatthias Ringwald case BLUETOOTH_COMPANY_ID_CAMBRIDGE_SILICON_RADIO: 23970b36101dSMatthias Ringwald hci_stack->num_cmd_packets = 1; 23980b36101dSMatthias Ringwald break; 23990b36101dSMatthias Ringwald default: 24000b36101dSMatthias Ringwald break; 24010b36101dSMatthias Ringwald } 24020b36101dSMatthias Ringwald break; 24036772a24cSmatthias.ringwald default: 24046772a24cSmatthias.ringwald break; 2405fe1ed1b8Smatthias.ringwald } 2406fe1ed1b8Smatthias.ringwald 24073429f56bSmatthias.ringwald // handle BT initialization 24083a9fb326S[email protected] if (hci_stack->state == HCI_STATE_INITIALIZING){ 24096155b3d3S[email protected] hci_initializing_event_handler(packet, size); 2410c9af4d3fS[email protected] } 241122909952Smatthias.ringwald 241289db417bSmatthias.ringwald // help with BT sleep 24133a9fb326S[email protected] if (hci_stack->state == HCI_STATE_FALLING_ASLEEP 241474b323a9SMatthias Ringwald && hci_stack->substate == HCI_FALLING_ASLEEP_W4_WRITE_SCAN_ENABLE 2415073bd0faSMatthias Ringwald && HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_write_scan_enable)){ 241655975f88SMatthias Ringwald hci_initializing_next_state(); 241789db417bSmatthias.ringwald } 241889db417bSmatthias.ringwald 241986805605S[email protected] // notify upper stack 2420d6b06661SMatthias Ringwald hci_emit_event(packet, size, 0); // don't dump, already happened in packet handler 242194ab26f8Smatthias.ringwald 242286805605S[email protected] // moved here to give upper stack a chance to close down everything with hci_connection_t intact 24230e2df43fSMatthias Ringwald if (hci_event_packet_get_type(packet) == HCI_EVENT_DISCONNECTION_COMPLETE){ 242486805605S[email protected] if (!packet[2]){ 2425f8fbdce0SMatthias Ringwald handle = little_endian_read_16(packet, 3); 242605ae8de3SMatthias Ringwald hci_connection_t * aConn = hci_connection_for_handle(handle); 242705ae8de3SMatthias Ringwald if (aConn) { 242805ae8de3SMatthias Ringwald uint8_t status = aConn->bonding_status; 242905ae8de3SMatthias Ringwald uint16_t flags = aConn->bonding_flags; 243086805605S[email protected] bd_addr_t bd_address; 243105ae8de3SMatthias Ringwald memcpy(&bd_address, aConn->address, 6); 243205ae8de3SMatthias Ringwald hci_shutdown_connection(aConn); 2433bb820044S[email protected] // connection struct is gone, don't access anymore 2434bb820044S[email protected] if (flags & BONDING_EMIT_COMPLETE_ON_DISCONNECT){ 243586805605S[email protected] hci_emit_dedicated_bonding_result(bd_address, status); 243686805605S[email protected] } 243786805605S[email protected] } 243886805605S[email protected] } 243986805605S[email protected] } 244086805605S[email protected] 244194ab26f8Smatthias.ringwald // execute main loop 244294ab26f8Smatthias.ringwald hci_run(); 244316833f0aSmatthias.ringwald } 244416833f0aSmatthias.ringwald 244535454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 2446c91d150bS[email protected] static void sco_handler(uint8_t * packet, uint16_t size){ 24478abbe8b5SMatthias Ringwald if (!hci_stack->sco_packet_handler) return; 24483d50b4baSMatthias Ringwald hci_stack->sco_packet_handler(HCI_SCO_DATA_PACKET, 0, packet, size); 24492b838201SMatthias Ringwald #ifdef ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 24502b838201SMatthias Ringwald hci_con_handle_t con_handle = READ_SCO_CONNECTION_HANDLE(packet); 24512b838201SMatthias Ringwald hci_connection_t *conn = hci_connection_for_handle(con_handle); 24522b838201SMatthias Ringwald if (conn){ 24532b838201SMatthias Ringwald conn->num_packets_completed++; 24542b838201SMatthias Ringwald hci_stack->host_completed_packets = 1; 24552b838201SMatthias Ringwald hci_run(); 24562b838201SMatthias Ringwald } 24572b838201SMatthias Ringwald #endif 2458c91d150bS[email protected] } 245935454696SMatthias Ringwald #endif 2460c91d150bS[email protected] 24610a57e69fSmatthias.ringwald static void packet_handler(uint8_t packet_type, uint8_t *packet, uint16_t size){ 24625bb5bc3eS[email protected] hci_dump_packet(packet_type, 1, packet, size); 246310e830c9Smatthias.ringwald switch (packet_type) { 246410e830c9Smatthias.ringwald case HCI_EVENT_PACKET: 246510e830c9Smatthias.ringwald event_handler(packet, size); 246610e830c9Smatthias.ringwald break; 246710e830c9Smatthias.ringwald case HCI_ACL_DATA_PACKET: 246810e830c9Smatthias.ringwald acl_handler(packet, size); 246910e830c9Smatthias.ringwald break; 247035454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 2471c91d150bS[email protected] case HCI_SCO_DATA_PACKET: 2472c91d150bS[email protected] sco_handler(packet, size); 2473202c8a4cSMatthias Ringwald break; 247435454696SMatthias Ringwald #endif 247510e830c9Smatthias.ringwald default: 247610e830c9Smatthias.ringwald break; 247710e830c9Smatthias.ringwald } 247810e830c9Smatthias.ringwald } 247910e830c9Smatthias.ringwald 2480d6b06661SMatthias Ringwald /** 2481d6b06661SMatthias Ringwald * @brief Add event packet handler. 2482d6b06661SMatthias Ringwald */ 2483d6b06661SMatthias Ringwald void hci_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 2484d6b06661SMatthias Ringwald btstack_linked_list_add_tail(&hci_stack->event_handlers, (btstack_linked_item_t*) callback_handler); 2485d6b06661SMatthias Ringwald } 2486d6b06661SMatthias Ringwald 2487d6b06661SMatthias Ringwald 2488fcadd0caSmatthias.ringwald /** Register HCI packet handlers */ 24893d50b4baSMatthias Ringwald void hci_register_acl_packet_handler(btstack_packet_handler_t handler){ 2490fb37a842SMatthias Ringwald hci_stack->acl_packet_handler = handler; 249116833f0aSmatthias.ringwald } 249216833f0aSmatthias.ringwald 249335454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 24948abbe8b5SMatthias Ringwald /** 24958abbe8b5SMatthias Ringwald * @brief Registers a packet handler for SCO data. Used for HSP and HFP profiles. 24968abbe8b5SMatthias Ringwald */ 24973d50b4baSMatthias Ringwald void hci_register_sco_packet_handler(btstack_packet_handler_t handler){ 24988abbe8b5SMatthias Ringwald hci_stack->sco_packet_handler = handler; 24998abbe8b5SMatthias Ringwald } 250035454696SMatthias Ringwald #endif 25018abbe8b5SMatthias Ringwald 250271de195eSMatthias Ringwald static void hci_state_reset(void){ 2503595bdbfbS[email protected] // no connections yet 2504595bdbfbS[email protected] hci_stack->connections = NULL; 250574308b23Smatthias.ringwald 250674308b23Smatthias.ringwald // keep discoverable/connectable as this has been requested by the client(s) 250774308b23Smatthias.ringwald // hci_stack->discoverable = 0; 250874308b23Smatthias.ringwald // hci_stack->connectable = 0; 250974308b23Smatthias.ringwald // hci_stack->bondable = 1; 2510b95a5a35SMatthias Ringwald // hci_stack->own_addr_type = 0; 2511595bdbfbS[email protected] 251244935e40S[email protected] // buffer is free 251344935e40S[email protected] hci_stack->hci_packet_buffer_reserved = 0; 251444935e40S[email protected] 2515595bdbfbS[email protected] // no pending cmds 2516595bdbfbS[email protected] hci_stack->decline_reason = 0; 2517595bdbfbS[email protected] hci_stack->new_scan_enable_value = 0xff; 2518595bdbfbS[email protected] 2519595bdbfbS[email protected] // LE 2520b95a5a35SMatthias Ringwald #ifdef ENABLE_BLE 2521b95a5a35SMatthias Ringwald memset(hci_stack->le_random_address, 0, 6); 2522b95a5a35SMatthias Ringwald hci_stack->le_random_address_set = 0; 2523d70217a2SMatthias Ringwald #endif 2524d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 25256fab74dbSMatthias Ringwald hci_stack->le_scanning_active = 0; 2526e2602ea2Smatthias.ringwald hci_stack->le_scan_type = 0xff; 2527b04dfa37SMatthias Ringwald hci_stack->le_connecting_state = LE_CONNECTING_IDLE; 2528e83201bcSMatthias Ringwald hci_stack->le_whitelist = 0; 2529e83201bcSMatthias Ringwald hci_stack->le_whitelist_capacity = 0; 2530d70217a2SMatthias Ringwald #endif 2531595bdbfbS[email protected] } 2532595bdbfbS[email protected] 253335454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 25342d5e09d6SMatthias Ringwald /** 25352d5e09d6SMatthias Ringwald * @brief Configure Bluetooth hardware control. Has to be called before power on. 25362d5e09d6SMatthias Ringwald */ 25372d5e09d6SMatthias Ringwald void hci_set_link_key_db(btstack_link_key_db_t const * link_key_db){ 25382d5e09d6SMatthias Ringwald // store and open remote device db 25392d5e09d6SMatthias Ringwald hci_stack->link_key_db = link_key_db; 25402d5e09d6SMatthias Ringwald if (hci_stack->link_key_db) { 25412d5e09d6SMatthias Ringwald hci_stack->link_key_db->open(); 25422d5e09d6SMatthias Ringwald } 25432d5e09d6SMatthias Ringwald } 254435454696SMatthias Ringwald #endif 25452d5e09d6SMatthias Ringwald 25462d5e09d6SMatthias Ringwald void hci_init(const hci_transport_t *transport, const void *config){ 2547475c8125Smatthias.ringwald 25483a9fb326S[email protected] #ifdef HAVE_MALLOC 25493a9fb326S[email protected] if (!hci_stack) { 25503a9fb326S[email protected] hci_stack = (hci_stack_t*) malloc(sizeof(hci_stack_t)); 25513a9fb326S[email protected] } 25523a9fb326S[email protected] #else 25533a9fb326S[email protected] hci_stack = &hci_stack_static; 25543a9fb326S[email protected] #endif 255566fb9560S[email protected] memset(hci_stack, 0, sizeof(hci_stack_t)); 25563a9fb326S[email protected] 2557475c8125Smatthias.ringwald // reference to use transport layer implementation 25583a9fb326S[email protected] hci_stack->hci_transport = transport; 2559475c8125Smatthias.ringwald 256011e23e5fSmatthias.ringwald // reference to used config 25613a9fb326S[email protected] hci_stack->config = config; 256211e23e5fSmatthias.ringwald 256326a9b6daSMatthias Ringwald // setup pointer for outgoing packet buffer 256426a9b6daSMatthias Ringwald hci_stack->hci_packet_buffer = &hci_stack->hci_packet_buffer_data[HCI_OUTGOING_PRE_BUFFER_SIZE]; 256526a9b6daSMatthias Ringwald 25668fcba05dSmatthias.ringwald // max acl payload size defined in config.h 25673a9fb326S[email protected] hci_stack->acl_data_packet_length = HCI_ACL_PAYLOAD_SIZE; 25688fcba05dSmatthias.ringwald 256916833f0aSmatthias.ringwald // register packet handlers with transport 257010e830c9Smatthias.ringwald transport->register_packet_handler(&packet_handler); 2571f5454fc6Smatthias.ringwald 25723a9fb326S[email protected] hci_stack->state = HCI_STATE_OFF; 2573e2386ba1S[email protected] 2574e2386ba1S[email protected] // class of device 25753a9fb326S[email protected] hci_stack->class_of_device = 0x007a020c; // Smartphone 2576a45d6b9fS[email protected] 2577f20168b8Smatthias.ringwald // bondable by default 2578f20168b8Smatthias.ringwald hci_stack->bondable = 1; 2579f20168b8Smatthias.ringwald 2580e9f343c8SMatthias Ringwald #ifdef ENABLE_CLASSIC 258163168530SMatthias Ringwald // classic name 258263168530SMatthias Ringwald hci_stack->local_name = default_classic_name; 2583c4c88f1bSJakob Krantz 2584c4c88f1bSJakob Krantz // Master slave policy 2585c4c88f1bSJakob Krantz hci_stack->master_slave_policy = 1; 2586e9f343c8SMatthias Ringwald #endif 258763168530SMatthias Ringwald 258863048403S[email protected] // Secure Simple Pairing default: enable, no I/O capabilities, general bonding, mitm not required, auto accept 25893a9fb326S[email protected] hci_stack->ssp_enable = 1; 25903a9fb326S[email protected] hci_stack->ssp_io_capability = SSP_IO_CAPABILITY_NO_INPUT_NO_OUTPUT; 25913a9fb326S[email protected] hci_stack->ssp_authentication_requirement = SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_GENERAL_BONDING; 25923a9fb326S[email protected] hci_stack->ssp_auto_accept = 1; 259369a97523S[email protected] 2594fac2e2feSMatthias Ringwald // voice setting - signed 16 bit pcm data with CVSD over the air 2595fac2e2feSMatthias Ringwald hci_stack->sco_voice_setting = 0x60; 2596d950d659SMatthias Ringwald 2597831711daSMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 2598831711daSMatthias Ringwald // connection parameter to use for outgoing connections 2599cbe54ab2SJakob Krantz hci_stack->le_connection_scan_interval = 0x0060; // 60ms 2600cbe54ab2SJakob Krantz hci_stack->le_connection_scan_window = 0x0030; // 30ms 2601831711daSMatthias Ringwald hci_stack->le_connection_interval_min = 0x0008; // 10 ms 2602831711daSMatthias Ringwald hci_stack->le_connection_interval_max = 0x0018; // 30 ms 2603831711daSMatthias Ringwald hci_stack->le_connection_latency = 4; // 4 2604831711daSMatthias Ringwald hci_stack->le_supervision_timeout = 0x0048; // 720 ms 2605831711daSMatthias Ringwald hci_stack->le_minimum_ce_length = 2; // 1.25 ms 2606831711daSMatthias Ringwald hci_stack->le_maximum_ce_length = 0x0030; // 30 ms 2607831711daSMatthias Ringwald #endif 2608831711daSMatthias Ringwald 26092b6ab3e6SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 26102b6ab3e6SMatthias Ringwald hci_stack->le_max_number_peripheral_connections = 1; // only single connection as peripheral 26112b6ab3e6SMatthias Ringwald #endif 26122b6ab3e6SMatthias Ringwald 2613831711daSMatthias Ringwald // connection parameter range used to answer connection parameter update requests in l2cap 2614831711daSMatthias Ringwald hci_stack->le_connection_parameter_range.le_conn_interval_min = 6; 2615831711daSMatthias Ringwald hci_stack->le_connection_parameter_range.le_conn_interval_max = 3200; 2616831711daSMatthias Ringwald hci_stack->le_connection_parameter_range.le_conn_latency_min = 0; 2617831711daSMatthias Ringwald hci_stack->le_connection_parameter_range.le_conn_latency_max = 500; 2618831711daSMatthias Ringwald hci_stack->le_connection_parameter_range.le_supervision_timeout_min = 10; 2619831711daSMatthias Ringwald hci_stack->le_connection_parameter_range.le_supervision_timeout_max = 3200; 2620831711daSMatthias Ringwald 2621595bdbfbS[email protected] hci_state_reset(); 2622475c8125Smatthias.ringwald } 2623475c8125Smatthias.ringwald 26243fb36a29SMatthias Ringwald /** 26253fb36a29SMatthias Ringwald * @brief Configure Bluetooth chipset driver. Has to be called before power on, or right after receiving the local version information 26263fb36a29SMatthias Ringwald */ 26273fb36a29SMatthias Ringwald void hci_set_chipset(const btstack_chipset_t *chipset_driver){ 26283fb36a29SMatthias Ringwald hci_stack->chipset = chipset_driver; 26293fb36a29SMatthias Ringwald 26303fb36a29SMatthias Ringwald // reset chipset driver - init is also called on power_up 26313fb36a29SMatthias Ringwald if (hci_stack->chipset && hci_stack->chipset->init){ 26323fb36a29SMatthias Ringwald hci_stack->chipset->init(hci_stack->config); 26333fb36a29SMatthias Ringwald } 26343fb36a29SMatthias Ringwald } 26353fb36a29SMatthias Ringwald 2636fb55bd0aSMatthias Ringwald /** 2637d0b87befSMatthias Ringwald * @brief Configure Bluetooth hardware control. Has to be called after hci_init() but before power on. 2638fb55bd0aSMatthias Ringwald */ 2639fb55bd0aSMatthias Ringwald void hci_set_control(const btstack_control_t *hardware_control){ 2640fb55bd0aSMatthias Ringwald // references to used control implementation 2641fb55bd0aSMatthias Ringwald hci_stack->control = hardware_control; 2642d0b87befSMatthias Ringwald // init with transport config 2643d0b87befSMatthias Ringwald hardware_control->init(hci_stack->config); 2644fb55bd0aSMatthias Ringwald } 2645fb55bd0aSMatthias Ringwald 264671de195eSMatthias Ringwald void hci_close(void){ 2647404843c1Smatthias.ringwald // close remote device db 2648a98592bcSMatthias Ringwald if (hci_stack->link_key_db) { 2649a98592bcSMatthias Ringwald hci_stack->link_key_db->close(); 2650404843c1Smatthias.ringwald } 26517224be7eSMatthias Ringwald 26527224be7eSMatthias Ringwald btstack_linked_list_iterator_t lit; 26537224be7eSMatthias Ringwald btstack_linked_list_iterator_init(&lit, &hci_stack->connections); 26547224be7eSMatthias Ringwald while (btstack_linked_list_iterator_has_next(&lit)){ 26557224be7eSMatthias Ringwald // cancel all l2cap connections by emitting dicsconnection complete before shutdown (free) connection 26567224be7eSMatthias Ringwald hci_connection_t * connection = (hci_connection_t*) btstack_linked_list_iterator_next(&lit); 26577224be7eSMatthias Ringwald hci_emit_disconnection_complete(connection->con_handle, 0x16); // terminated by local host 26587224be7eSMatthias Ringwald hci_shutdown_connection(connection); 2659f5454fc6Smatthias.ringwald } 26607224be7eSMatthias Ringwald 2661f5454fc6Smatthias.ringwald hci_power_control(HCI_POWER_OFF); 26623a9fb326S[email protected] 26633a9fb326S[email protected] #ifdef HAVE_MALLOC 26643a9fb326S[email protected] free(hci_stack); 26653a9fb326S[email protected] #endif 26663a9fb326S[email protected] hci_stack = NULL; 2667404843c1Smatthias.ringwald } 2668404843c1Smatthias.ringwald 266935454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 267060b9e82fSMatthias Ringwald void gap_set_class_of_device(uint32_t class_of_device){ 26719e61646fS[email protected] hci_stack->class_of_device = class_of_device; 26729e61646fS[email protected] } 267376f27cffSMatthias Ringwald 267476f27cffSMatthias Ringwald void hci_disable_l2cap_timeout_check(void){ 267576f27cffSMatthias Ringwald disable_l2cap_timeouts = 1; 267676f27cffSMatthias Ringwald } 267735454696SMatthias Ringwald #endif 26789e61646fS[email protected] 267976f27cffSMatthias Ringwald #if !defined(HAVE_PLATFORM_IPHONE_OS) && !defined (HAVE_HOST_CONTROLLER_API) 2680f456b2d0S[email protected] // Set Public BD ADDR - passed on to Bluetooth chipset if supported in bt_control_h 2681f456b2d0S[email protected] void hci_set_bd_addr(bd_addr_t addr){ 2682f456b2d0S[email protected] memcpy(hci_stack->custom_bd_addr, addr, 6); 2683f456b2d0S[email protected] hci_stack->custom_bd_addr_set = 1; 2684f456b2d0S[email protected] } 268576f27cffSMatthias Ringwald #endif 2686f456b2d0S[email protected] 26878d213e1aSmatthias.ringwald // State-Module-Driver overview 26888d213e1aSmatthias.ringwald // state module low-level 26898d213e1aSmatthias.ringwald // HCI_STATE_OFF off close 26908d213e1aSmatthias.ringwald // HCI_STATE_INITIALIZING, on open 26918d213e1aSmatthias.ringwald // HCI_STATE_WORKING, on open 26928d213e1aSmatthias.ringwald // HCI_STATE_HALTING, on open 2693d661ed19Smatthias.ringwald // HCI_STATE_SLEEPING, off/sleep close 2694d661ed19Smatthias.ringwald // HCI_STATE_FALLING_ASLEEP on open 2695c7e0c5f6Smatthias.ringwald 269640d1c7a4Smatthias.ringwald static int hci_power_control_on(void){ 26977301ad89Smatthias.ringwald 2698038bc64cSmatthias.ringwald // power on 2699f9a30166Smatthias.ringwald int err = 0; 27003a9fb326S[email protected] if (hci_stack->control && hci_stack->control->on){ 2701d0b87befSMatthias Ringwald err = (*hci_stack->control->on)(); 2702f9a30166Smatthias.ringwald } 2703038bc64cSmatthias.ringwald if (err){ 27049da54300S[email protected] log_error( "POWER_ON failed"); 2705038bc64cSmatthias.ringwald hci_emit_hci_open_failed(); 2706038bc64cSmatthias.ringwald return err; 2707038bc64cSmatthias.ringwald } 2708038bc64cSmatthias.ringwald 270924b3c629SMatthias Ringwald // int chipset driver 27103fb36a29SMatthias Ringwald if (hci_stack->chipset && hci_stack->chipset->init){ 27113fb36a29SMatthias Ringwald hci_stack->chipset->init(hci_stack->config); 27123fb36a29SMatthias Ringwald } 27133fb36a29SMatthias Ringwald 271424b3c629SMatthias Ringwald // init transport 271524b3c629SMatthias Ringwald if (hci_stack->hci_transport->init){ 271624b3c629SMatthias Ringwald hci_stack->hci_transport->init(hci_stack->config); 271724b3c629SMatthias Ringwald } 271824b3c629SMatthias Ringwald 271924b3c629SMatthias Ringwald // open transport 272024b3c629SMatthias Ringwald err = hci_stack->hci_transport->open(); 2721038bc64cSmatthias.ringwald if (err){ 27229da54300S[email protected] log_error( "HCI_INIT failed, turning Bluetooth off again"); 27233a9fb326S[email protected] if (hci_stack->control && hci_stack->control->off){ 2724d0b87befSMatthias Ringwald (*hci_stack->control->off)(); 2725f9a30166Smatthias.ringwald } 2726038bc64cSmatthias.ringwald hci_emit_hci_open_failed(); 2727038bc64cSmatthias.ringwald return err; 2728038bc64cSmatthias.ringwald } 27298d213e1aSmatthias.ringwald return 0; 27308d213e1aSmatthias.ringwald } 2731038bc64cSmatthias.ringwald 273240d1c7a4Smatthias.ringwald static void hci_power_control_off(void){ 27338d213e1aSmatthias.ringwald 27349da54300S[email protected] log_info("hci_power_control_off"); 27359418f9c9Smatthias.ringwald 27368d213e1aSmatthias.ringwald // close low-level device 273724b3c629SMatthias Ringwald hci_stack->hci_transport->close(); 27388d213e1aSmatthias.ringwald 27399da54300S[email protected] log_info("hci_power_control_off - hci_transport closed"); 27409418f9c9Smatthias.ringwald 27418d213e1aSmatthias.ringwald // power off 27423a9fb326S[email protected] if (hci_stack->control && hci_stack->control->off){ 2743d0b87befSMatthias Ringwald (*hci_stack->control->off)(); 27448d213e1aSmatthias.ringwald } 27459418f9c9Smatthias.ringwald 27469da54300S[email protected] log_info("hci_power_control_off - control closed"); 27479418f9c9Smatthias.ringwald 27483a9fb326S[email protected] hci_stack->state = HCI_STATE_OFF; 274972ea5239Smatthias.ringwald } 275072ea5239Smatthias.ringwald 275140d1c7a4Smatthias.ringwald static void hci_power_control_sleep(void){ 275272ea5239Smatthias.ringwald 27539da54300S[email protected] log_info("hci_power_control_sleep"); 27543144bce4Smatthias.ringwald 2755b429b9b7Smatthias.ringwald #if 0 2756b429b9b7Smatthias.ringwald // don't close serial port during sleep 2757b429b9b7Smatthias.ringwald 275872ea5239Smatthias.ringwald // close low-level device 27593a9fb326S[email protected] hci_stack->hci_transport->close(hci_stack->config); 2760b429b9b7Smatthias.ringwald #endif 276172ea5239Smatthias.ringwald 276272ea5239Smatthias.ringwald // sleep mode 27633a9fb326S[email protected] if (hci_stack->control && hci_stack->control->sleep){ 2764d0b87befSMatthias Ringwald (*hci_stack->control->sleep)(); 276572ea5239Smatthias.ringwald } 2766b429b9b7Smatthias.ringwald 27673a9fb326S[email protected] hci_stack->state = HCI_STATE_SLEEPING; 27688d213e1aSmatthias.ringwald } 27698d213e1aSmatthias.ringwald 277040d1c7a4Smatthias.ringwald static int hci_power_control_wake(void){ 2771b429b9b7Smatthias.ringwald 27729da54300S[email protected] log_info("hci_power_control_wake"); 2773b429b9b7Smatthias.ringwald 2774b429b9b7Smatthias.ringwald // wake on 27753a9fb326S[email protected] if (hci_stack->control && hci_stack->control->wake){ 2776d0b87befSMatthias Ringwald (*hci_stack->control->wake)(); 2777b429b9b7Smatthias.ringwald } 2778b429b9b7Smatthias.ringwald 2779b429b9b7Smatthias.ringwald #if 0 2780b429b9b7Smatthias.ringwald // open low-level device 27813a9fb326S[email protected] int err = hci_stack->hci_transport->open(hci_stack->config); 2782b429b9b7Smatthias.ringwald if (err){ 27839da54300S[email protected] log_error( "HCI_INIT failed, turning Bluetooth off again"); 27843a9fb326S[email protected] if (hci_stack->control && hci_stack->control->off){ 2785d0b87befSMatthias Ringwald (*hci_stack->control->off)(); 2786b429b9b7Smatthias.ringwald } 2787b429b9b7Smatthias.ringwald hci_emit_hci_open_failed(); 2788b429b9b7Smatthias.ringwald return err; 2789b429b9b7Smatthias.ringwald } 2790b429b9b7Smatthias.ringwald #endif 2791b429b9b7Smatthias.ringwald 2792b429b9b7Smatthias.ringwald return 0; 2793b429b9b7Smatthias.ringwald } 2794b429b9b7Smatthias.ringwald 279544935e40S[email protected] static void hci_power_transition_to_initializing(void){ 279644935e40S[email protected] // set up state machine 279744935e40S[email protected] hci_stack->num_cmd_packets = 1; // assume that one cmd can be sent 279844935e40S[email protected] hci_stack->hci_packet_buffer_reserved = 0; 279944935e40S[email protected] hci_stack->state = HCI_STATE_INITIALIZING; 28005c363727SMatthias Ringwald hci_stack->substate = HCI_INIT_SEND_RESET; 280144935e40S[email protected] } 2802b429b9b7Smatthias.ringwald 28038d213e1aSmatthias.ringwald int hci_power_control(HCI_POWER_MODE power_mode){ 2804d661ed19Smatthias.ringwald 2805f04a0c31SMatthias Ringwald log_info("hci_power_control: %d, current mode %u", power_mode, hci_stack->state); 2806d661ed19Smatthias.ringwald 28078d213e1aSmatthias.ringwald int err = 0; 28083a9fb326S[email protected] switch (hci_stack->state){ 28098d213e1aSmatthias.ringwald 28108d213e1aSmatthias.ringwald case HCI_STATE_OFF: 28118d213e1aSmatthias.ringwald switch (power_mode){ 28128d213e1aSmatthias.ringwald case HCI_POWER_ON: 28138d213e1aSmatthias.ringwald err = hci_power_control_on(); 281497b61c7bS[email protected] if (err) { 2815f04a0c31SMatthias Ringwald log_error("hci_power_control_on() error %d", err); 281697b61c7bS[email protected] return err; 281797b61c7bS[email protected] } 281844935e40S[email protected] hci_power_transition_to_initializing(); 28198d213e1aSmatthias.ringwald break; 28208d213e1aSmatthias.ringwald case HCI_POWER_OFF: 28218d213e1aSmatthias.ringwald // do nothing 28228d213e1aSmatthias.ringwald break; 28238d213e1aSmatthias.ringwald case HCI_POWER_SLEEP: 2824b546ac54Smatthias.ringwald // do nothing (with SLEEP == OFF) 28258d213e1aSmatthias.ringwald break; 28268d213e1aSmatthias.ringwald } 28278d213e1aSmatthias.ringwald break; 28287301ad89Smatthias.ringwald 28298d213e1aSmatthias.ringwald case HCI_STATE_INITIALIZING: 28308d213e1aSmatthias.ringwald switch (power_mode){ 28318d213e1aSmatthias.ringwald case HCI_POWER_ON: 28328d213e1aSmatthias.ringwald // do nothing 28338d213e1aSmatthias.ringwald break; 28348d213e1aSmatthias.ringwald case HCI_POWER_OFF: 28358d213e1aSmatthias.ringwald // no connections yet, just turn it off 28368d213e1aSmatthias.ringwald hci_power_control_off(); 28378d213e1aSmatthias.ringwald break; 28388d213e1aSmatthias.ringwald case HCI_POWER_SLEEP: 2839b546ac54Smatthias.ringwald // no connections yet, just turn it off 284072ea5239Smatthias.ringwald hci_power_control_sleep(); 28418d213e1aSmatthias.ringwald break; 28428d213e1aSmatthias.ringwald } 28438d213e1aSmatthias.ringwald break; 28447301ad89Smatthias.ringwald 28458d213e1aSmatthias.ringwald case HCI_STATE_WORKING: 28468d213e1aSmatthias.ringwald switch (power_mode){ 28478d213e1aSmatthias.ringwald case HCI_POWER_ON: 28488d213e1aSmatthias.ringwald // do nothing 28498d213e1aSmatthias.ringwald break; 28508d213e1aSmatthias.ringwald case HCI_POWER_OFF: 2851c7e0c5f6Smatthias.ringwald // see hci_run 28523a9fb326S[email protected] hci_stack->state = HCI_STATE_HALTING; 28538d213e1aSmatthias.ringwald break; 28548d213e1aSmatthias.ringwald case HCI_POWER_SLEEP: 2855b546ac54Smatthias.ringwald // see hci_run 28563a9fb326S[email protected] hci_stack->state = HCI_STATE_FALLING_ASLEEP; 285774b323a9SMatthias Ringwald hci_stack->substate = HCI_FALLING_ASLEEP_DISCONNECT; 28588d213e1aSmatthias.ringwald break; 28598d213e1aSmatthias.ringwald } 28608d213e1aSmatthias.ringwald break; 28617301ad89Smatthias.ringwald 28628d213e1aSmatthias.ringwald case HCI_STATE_HALTING: 28638d213e1aSmatthias.ringwald switch (power_mode){ 28648d213e1aSmatthias.ringwald case HCI_POWER_ON: 286544935e40S[email protected] hci_power_transition_to_initializing(); 28668d213e1aSmatthias.ringwald break; 28678d213e1aSmatthias.ringwald case HCI_POWER_OFF: 28688d213e1aSmatthias.ringwald // do nothing 28698d213e1aSmatthias.ringwald break; 28708d213e1aSmatthias.ringwald case HCI_POWER_SLEEP: 2871b546ac54Smatthias.ringwald // see hci_run 28723a9fb326S[email protected] hci_stack->state = HCI_STATE_FALLING_ASLEEP; 287374b323a9SMatthias Ringwald hci_stack->substate = HCI_FALLING_ASLEEP_DISCONNECT; 28748d213e1aSmatthias.ringwald break; 28758d213e1aSmatthias.ringwald } 28768d213e1aSmatthias.ringwald break; 28778d213e1aSmatthias.ringwald 28788d213e1aSmatthias.ringwald case HCI_STATE_FALLING_ASLEEP: 28798d213e1aSmatthias.ringwald switch (power_mode){ 28808d213e1aSmatthias.ringwald case HCI_POWER_ON: 288128171530Smatthias.ringwald 2882423a3e49SMatthias Ringwald #ifdef HAVE_PLATFORM_IPHONE_OS 288328171530Smatthias.ringwald // nothing to do, if H4 supports power management 2884d0b87befSMatthias Ringwald if (btstack_control_iphone_power_management_enabled()){ 28853a9fb326S[email protected] hci_stack->state = HCI_STATE_INITIALIZING; 288674b323a9SMatthias Ringwald hci_stack->substate = HCI_INIT_WRITE_SCAN_ENABLE; // init after sleep 288728171530Smatthias.ringwald break; 288828171530Smatthias.ringwald } 288928171530Smatthias.ringwald #endif 289044935e40S[email protected] hci_power_transition_to_initializing(); 28918d213e1aSmatthias.ringwald break; 28928d213e1aSmatthias.ringwald case HCI_POWER_OFF: 2893b546ac54Smatthias.ringwald // see hci_run 28943a9fb326S[email protected] hci_stack->state = HCI_STATE_HALTING; 28958d213e1aSmatthias.ringwald break; 28968d213e1aSmatthias.ringwald case HCI_POWER_SLEEP: 2897b546ac54Smatthias.ringwald // do nothing 28988d213e1aSmatthias.ringwald break; 28998d213e1aSmatthias.ringwald } 29008d213e1aSmatthias.ringwald break; 29018d213e1aSmatthias.ringwald 29028d213e1aSmatthias.ringwald case HCI_STATE_SLEEPING: 29038d213e1aSmatthias.ringwald switch (power_mode){ 29048d213e1aSmatthias.ringwald case HCI_POWER_ON: 290528171530Smatthias.ringwald 2906423a3e49SMatthias Ringwald #ifdef HAVE_PLATFORM_IPHONE_OS 290728171530Smatthias.ringwald // nothing to do, if H4 supports power management 2908d0b87befSMatthias Ringwald if (btstack_control_iphone_power_management_enabled()){ 29093a9fb326S[email protected] hci_stack->state = HCI_STATE_INITIALIZING; 29105c363727SMatthias Ringwald hci_stack->substate = HCI_INIT_AFTER_SLEEP; 2911758b46ceSmatthias.ringwald hci_update_scan_enable(); 291228171530Smatthias.ringwald break; 291328171530Smatthias.ringwald } 291428171530Smatthias.ringwald #endif 29153144bce4Smatthias.ringwald err = hci_power_control_wake(); 29163144bce4Smatthias.ringwald if (err) return err; 291744935e40S[email protected] hci_power_transition_to_initializing(); 29188d213e1aSmatthias.ringwald break; 29198d213e1aSmatthias.ringwald case HCI_POWER_OFF: 29203a9fb326S[email protected] hci_stack->state = HCI_STATE_HALTING; 29218d213e1aSmatthias.ringwald break; 29228d213e1aSmatthias.ringwald case HCI_POWER_SLEEP: 2923b546ac54Smatthias.ringwald // do nothing 29248d213e1aSmatthias.ringwald break; 29258d213e1aSmatthias.ringwald } 29268d213e1aSmatthias.ringwald break; 292711e23e5fSmatthias.ringwald } 292868d92d03Smatthias.ringwald 2929038bc64cSmatthias.ringwald // create internal event 2930ee8bf225Smatthias.ringwald hci_emit_state(); 2931ee8bf225Smatthias.ringwald 293268d92d03Smatthias.ringwald // trigger next/first action 293368d92d03Smatthias.ringwald hci_run(); 293468d92d03Smatthias.ringwald 2935475c8125Smatthias.ringwald return 0; 2936475c8125Smatthias.ringwald } 2937475c8125Smatthias.ringwald 293835454696SMatthias Ringwald 293935454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 294035454696SMatthias Ringwald 2941758b46ceSmatthias.ringwald static void hci_update_scan_enable(void){ 2942758b46ceSmatthias.ringwald // 2 = page scan, 1 = inq scan 29433a9fb326S[email protected] hci_stack->new_scan_enable_value = hci_stack->connectable << 1 | hci_stack->discoverable; 2944758b46ceSmatthias.ringwald hci_run(); 2945758b46ceSmatthias.ringwald } 2946758b46ceSmatthias.ringwald 294715a95bd5SMatthias Ringwald void gap_discoverable_control(uint8_t enable){ 2948381fbed8Smatthias.ringwald if (enable) enable = 1; // normalize argument 2949381fbed8Smatthias.ringwald 29503a9fb326S[email protected] if (hci_stack->discoverable == enable){ 29513a9fb326S[email protected] hci_emit_discoverable_enabled(hci_stack->discoverable); 2952381fbed8Smatthias.ringwald return; 2953381fbed8Smatthias.ringwald } 2954381fbed8Smatthias.ringwald 29553a9fb326S[email protected] hci_stack->discoverable = enable; 2956758b46ceSmatthias.ringwald hci_update_scan_enable(); 2957758b46ceSmatthias.ringwald } 2958b031bebbSmatthias.ringwald 295915a95bd5SMatthias Ringwald void gap_connectable_control(uint8_t enable){ 2960758b46ceSmatthias.ringwald if (enable) enable = 1; // normalize argument 2961758b46ceSmatthias.ringwald 2962758b46ceSmatthias.ringwald // don't emit event 29633a9fb326S[email protected] if (hci_stack->connectable == enable) return; 2964758b46ceSmatthias.ringwald 29653a9fb326S[email protected] hci_stack->connectable = enable; 2966758b46ceSmatthias.ringwald hci_update_scan_enable(); 2967381fbed8Smatthias.ringwald } 296835454696SMatthias Ringwald #endif 2969381fbed8Smatthias.ringwald 297015a95bd5SMatthias Ringwald void gap_local_bd_addr(bd_addr_t address_buffer){ 2971690bd0baS[email protected] memcpy(address_buffer, hci_stack->local_bd_addr, 6); 29725061f3afS[email protected] } 29735061f3afS[email protected] 29742b838201SMatthias Ringwald #ifdef ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 29752b838201SMatthias Ringwald static void hci_host_num_completed_packets(void){ 29762b838201SMatthias Ringwald 29772b838201SMatthias Ringwald // create packet manually as arrays are not supported and num_commands should not get reduced 29782b838201SMatthias Ringwald hci_reserve_packet_buffer(); 29792b838201SMatthias Ringwald uint8_t * packet = hci_get_outgoing_packet_buffer(); 29802b838201SMatthias Ringwald 29812b838201SMatthias Ringwald uint16_t size = 0; 29822b838201SMatthias Ringwald uint16_t num_handles = 0; 29832b838201SMatthias Ringwald packet[size++] = 0x35; 29842b838201SMatthias Ringwald packet[size++] = 0x0c; 29852b838201SMatthias Ringwald size++; // skip param len 29862b838201SMatthias Ringwald size++; // skip num handles 29872b838201SMatthias Ringwald 29882b838201SMatthias Ringwald // add { handle, packets } entries 29892b838201SMatthias Ringwald btstack_linked_item_t * it; 29902b838201SMatthias Ringwald for (it = (btstack_linked_item_t *) hci_stack->connections; it ; it = it->next){ 29912b838201SMatthias Ringwald hci_connection_t * connection = (hci_connection_t *) it; 29922b838201SMatthias Ringwald if (connection->num_packets_completed){ 29932b838201SMatthias Ringwald little_endian_store_16(packet, size, connection->con_handle); 29942b838201SMatthias Ringwald size += 2; 29952b838201SMatthias Ringwald little_endian_store_16(packet, size, connection->num_packets_completed); 29962b838201SMatthias Ringwald size += 2; 29972b838201SMatthias Ringwald // 29982b838201SMatthias Ringwald num_handles++; 29992b838201SMatthias Ringwald connection->num_packets_completed = 0; 30002b838201SMatthias Ringwald } 30012b838201SMatthias Ringwald } 30022b838201SMatthias Ringwald 30032b838201SMatthias Ringwald packet[2] = size - 3; 30042b838201SMatthias Ringwald packet[3] = num_handles; 30052b838201SMatthias Ringwald 30062b838201SMatthias Ringwald hci_stack->host_completed_packets = 0; 30072b838201SMatthias Ringwald 30082b838201SMatthias Ringwald hci_dump_packet(HCI_COMMAND_DATA_PACKET, 0, packet, size); 30092b838201SMatthias Ringwald hci_stack->hci_transport->send_packet(HCI_COMMAND_DATA_PACKET, packet, size); 30102b838201SMatthias Ringwald 30112b838201SMatthias Ringwald // release packet buffer for synchronous transport implementations 30122b838201SMatthias Ringwald if (hci_transport_synchronous()){ 3013e2d22487SMatthias Ringwald hci_release_packet_buffer(); 3014068b8592SMatthias Ringwald hci_emit_transport_packet_sent(); 30152b838201SMatthias Ringwald } 30162b838201SMatthias Ringwald } 30172b838201SMatthias Ringwald #endif 30182b838201SMatthias Ringwald 301995d71764SMatthias Ringwald static void hci_run(void){ 30208a485f27Smatthias.ringwald 3021db8bc6ffSMatthias Ringwald // log_info("hci_run: entered"); 3022665d90f2SMatthias Ringwald btstack_linked_item_t * it; 302332ab9390Smatthias.ringwald 3024b5d8b22bS[email protected] // send continuation fragments first, as they block the prepared packet buffer 3025b5d8b22bS[email protected] if (hci_stack->acl_fragmentation_total_size > 0) { 3026b5d8b22bS[email protected] hci_con_handle_t con_handle = READ_ACL_CONNECTION_HANDLE(hci_stack->hci_packet_buffer); 3027b5d8b22bS[email protected] hci_connection_t *connection = hci_connection_for_handle(con_handle); 3028b5d8b22bS[email protected] if (connection) { 302928a0332dSMatthias Ringwald if (hci_can_send_prepared_acl_packet_now(con_handle)){ 3030b5d8b22bS[email protected] hci_send_acl_packet_fragments(connection); 3031b5d8b22bS[email protected] return; 3032b5d8b22bS[email protected] } 303328a0332dSMatthias Ringwald } else { 3034b5d8b22bS[email protected] // connection gone -> discard further fragments 303528a0332dSMatthias Ringwald log_info("hci_run: fragmented ACL packet no connection -> discard fragment"); 3036b5d8b22bS[email protected] hci_stack->acl_fragmentation_total_size = 0; 3037b5d8b22bS[email protected] hci_stack->acl_fragmentation_pos = 0; 3038b5d8b22bS[email protected] } 3039b5d8b22bS[email protected] } 3040b5d8b22bS[email protected] 30412b838201SMatthias Ringwald #ifdef ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 30422b838201SMatthias Ringwald // send host num completed packets next as they don't require num_cmd_packets > 0 30432b838201SMatthias Ringwald if (!hci_can_send_comand_packet_transport()) return; 30442b838201SMatthias Ringwald if (hci_stack->host_completed_packets){ 30452b838201SMatthias Ringwald hci_host_num_completed_packets(); 30462b838201SMatthias Ringwald return; 30472b838201SMatthias Ringwald } 30482b838201SMatthias Ringwald #endif 30492b838201SMatthias Ringwald 3050d94d3cafS[email protected] if (!hci_can_send_command_packet_now()) return; 3051ce4c8fabSmatthias.ringwald 3052b031bebbSmatthias.ringwald // global/non-connection oriented commands 3053b031bebbSmatthias.ringwald 305435454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 3055b031bebbSmatthias.ringwald // decline incoming connections 30563a9fb326S[email protected] if (hci_stack->decline_reason){ 30573a9fb326S[email protected] uint8_t reason = hci_stack->decline_reason; 30583a9fb326S[email protected] hci_stack->decline_reason = 0; 30593a9fb326S[email protected] hci_send_cmd(&hci_reject_connection_request, hci_stack->decline_addr, reason); 3060dbe1a790S[email protected] return; 3061ce4c8fabSmatthias.ringwald } 3062b031bebbSmatthias.ringwald // send scan enable 30633a9fb326S[email protected] if (hci_stack->state == HCI_STATE_WORKING && hci_stack->new_scan_enable_value != 0xff && hci_classic_supported()){ 30643a9fb326S[email protected] hci_send_cmd(&hci_write_scan_enable, hci_stack->new_scan_enable_value); 30653a9fb326S[email protected] hci_stack->new_scan_enable_value = 0xff; 3066dbe1a790S[email protected] return; 3067b031bebbSmatthias.ringwald } 3068f5875de5SMatthias Ringwald // start/stop inquiry 3069f5875de5SMatthias Ringwald if (hci_stack->inquiry_state >= GAP_INQUIRY_DURATION_MIN && hci_stack->inquiry_state <= GAP_INQUIRY_DURATION_MAX){ 3070f5875de5SMatthias Ringwald uint8_t duration = hci_stack->inquiry_state; 3071f5875de5SMatthias Ringwald hci_stack->inquiry_state = GAP_INQUIRY_STATE_ACTIVE; 3072f5875de5SMatthias Ringwald hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, duration, 0); 3073f5875de5SMatthias Ringwald return; 3074f5875de5SMatthias Ringwald } 3075f5875de5SMatthias Ringwald if (hci_stack->inquiry_state == GAP_INQUIRY_STATE_W2_CANCEL){ 3076f5875de5SMatthias Ringwald hci_stack->inquiry_state = GAP_INQUIRY_STATE_W4_CANCELLED; 3077f5875de5SMatthias Ringwald hci_send_cmd(&hci_inquiry_cancel); 3078f5875de5SMatthias Ringwald return; 3079f5875de5SMatthias Ringwald } 3080b7f1ee76SMatthias Ringwald // remote name request 3081b7f1ee76SMatthias Ringwald if (hci_stack->remote_name_state == GAP_REMOTE_NAME_STATE_W2_SEND){ 3082b7f1ee76SMatthias Ringwald hci_stack->remote_name_state = GAP_REMOTE_NAME_STATE_W4_COMPLETE; 3083b7f1ee76SMatthias Ringwald hci_send_cmd(&hci_remote_name_request, hci_stack->remote_name_addr, 3084ee8a36c8SMatthias Ringwald hci_stack->remote_name_page_scan_repetition_mode, 0, hci_stack->remote_name_clock_offset); 30850e55bd69SMatthias Ringwald return; 3086b7f1ee76SMatthias Ringwald } 30870a51f88bSMatthias Ringwald // pairing 30880a51f88bSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE){ 30890a51f88bSMatthias Ringwald uint8_t state = hci_stack->gap_pairing_state; 30900a51f88bSMatthias Ringwald hci_stack->gap_pairing_state = GAP_PAIRING_STATE_IDLE; 30910a51f88bSMatthias Ringwald switch (state){ 30920a51f88bSMatthias Ringwald case GAP_PAIRING_STATE_SEND_PIN: 3093d504181aSMatthias Ringwald hci_send_cmd(&hci_pin_code_request_reply, hci_stack->gap_pairing_addr, strlen(hci_stack->gap_pairing_input.gap_pairing_pin), hci_stack->gap_pairing_input.gap_pairing_pin); 30940a51f88bSMatthias Ringwald break; 30950a51f88bSMatthias Ringwald case GAP_PAIRING_STATE_SEND_PIN_NEGATIVE: 30960a51f88bSMatthias Ringwald hci_send_cmd(&hci_pin_code_request_negative_reply, hci_stack->gap_pairing_addr); 30970a51f88bSMatthias Ringwald break; 30980a51f88bSMatthias Ringwald case GAP_PAIRING_STATE_SEND_PASSKEY: 3099d504181aSMatthias Ringwald hci_send_cmd(&hci_user_passkey_request_reply, hci_stack->gap_pairing_addr, hci_stack->gap_pairing_input.gap_pairing_passkey); 31000a51f88bSMatthias Ringwald break; 31010a51f88bSMatthias Ringwald case GAP_PAIRING_STATE_SEND_PASSKEY_NEGATIVE: 31020a51f88bSMatthias Ringwald hci_send_cmd(&hci_user_passkey_request_negative_reply, hci_stack->gap_pairing_addr); 31030a51f88bSMatthias Ringwald break; 31040a51f88bSMatthias Ringwald case GAP_PAIRING_STATE_SEND_CONFIRMATION: 31050a51f88bSMatthias Ringwald hci_send_cmd(&hci_user_confirmation_request_reply, hci_stack->gap_pairing_addr); 31060a51f88bSMatthias Ringwald break; 31070a51f88bSMatthias Ringwald case GAP_PAIRING_STATE_SEND_CONFIRMATION_NEGATIVE: 31080a51f88bSMatthias Ringwald hci_send_cmd(&hci_user_confirmation_request_negative_reply, hci_stack->gap_pairing_addr); 31090a51f88bSMatthias Ringwald break; 31100a51f88bSMatthias Ringwald default: 31110a51f88bSMatthias Ringwald break; 31120a51f88bSMatthias Ringwald } 31130a51f88bSMatthias Ringwald return; 31140a51f88bSMatthias Ringwald } 311535454696SMatthias Ringwald #endif 3116b031bebbSmatthias.ringwald 3117a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 3118b95a5a35SMatthias Ringwald // advertisements, active scanning, and creating connections requires randaom address to be set if using private address 3119b95a5a35SMatthias Ringwald if ((hci_stack->state == HCI_STATE_WORKING) 3120b95a5a35SMatthias Ringwald && (hci_stack->le_own_addr_type == BD_ADDR_TYPE_LE_PUBLIC || hci_stack->le_random_address_set)){ 3121d70217a2SMatthias Ringwald 3122d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 312345c102fdSMatthias Ringwald // handle le scan 31246fab74dbSMatthias Ringwald if ((hci_stack->le_scanning_enabled != hci_stack->le_scanning_active)){ 31256fab74dbSMatthias Ringwald hci_stack->le_scanning_active = hci_stack->le_scanning_enabled; 31266fab74dbSMatthias Ringwald hci_send_cmd(&hci_le_set_scan_enable, hci_stack->le_scanning_enabled, 0); 31277bdc6798S[email protected] return; 31287bdc6798S[email protected] } 3129e2602ea2Smatthias.ringwald if (hci_stack->le_scan_type != 0xff){ 3130e2602ea2Smatthias.ringwald // defaults: active scanning, accept all advertisement packets 3131e2602ea2Smatthias.ringwald int scan_type = hci_stack->le_scan_type; 3132e2602ea2Smatthias.ringwald hci_stack->le_scan_type = 0xff; 3133b95a5a35SMatthias Ringwald hci_send_cmd(&hci_le_set_scan_parameters, scan_type, hci_stack->le_scan_interval, hci_stack->le_scan_window, hci_stack->le_own_addr_type, 0); 3134e2602ea2Smatthias.ringwald return; 3135e2602ea2Smatthias.ringwald } 3136d70217a2SMatthias Ringwald #endif 3137d70217a2SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 313845c102fdSMatthias Ringwald // le advertisement control 31399a2e4658SMatthias Ringwald if (hci_stack->le_advertisements_todo){ 31409a2e4658SMatthias Ringwald log_info("hci_run: gap_le: adv todo: %x", hci_stack->le_advertisements_todo ); 31419a2e4658SMatthias Ringwald } 314245c102fdSMatthias Ringwald if (hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_DISABLE){ 314345c102fdSMatthias Ringwald hci_stack->le_advertisements_todo &= ~LE_ADVERTISEMENT_TASKS_DISABLE; 314445c102fdSMatthias Ringwald hci_send_cmd(&hci_le_set_advertise_enable, 0); 314545c102fdSMatthias Ringwald return; 314645c102fdSMatthias Ringwald } 314745c102fdSMatthias Ringwald if (hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_SET_PARAMS){ 314845c102fdSMatthias Ringwald hci_stack->le_advertisements_todo &= ~LE_ADVERTISEMENT_TASKS_SET_PARAMS; 314945c102fdSMatthias Ringwald hci_send_cmd(&hci_le_set_advertising_parameters, 315045c102fdSMatthias Ringwald hci_stack->le_advertisements_interval_min, 315145c102fdSMatthias Ringwald hci_stack->le_advertisements_interval_max, 315245c102fdSMatthias Ringwald hci_stack->le_advertisements_type, 3153b95a5a35SMatthias Ringwald hci_stack->le_own_addr_type, 315445c102fdSMatthias Ringwald hci_stack->le_advertisements_direct_address_type, 315545c102fdSMatthias Ringwald hci_stack->le_advertisements_direct_address, 315645c102fdSMatthias Ringwald hci_stack->le_advertisements_channel_map, 315745c102fdSMatthias Ringwald hci_stack->le_advertisements_filter_policy); 315845c102fdSMatthias Ringwald return; 315945c102fdSMatthias Ringwald } 3160501f56b3SMatthias Ringwald if (hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_SET_ADV_DATA){ 3161501f56b3SMatthias Ringwald hci_stack->le_advertisements_todo &= ~LE_ADVERTISEMENT_TASKS_SET_ADV_DATA; 31627a85e4f5SMatthias Ringwald uint8_t adv_data_clean[31]; 31637a85e4f5SMatthias Ringwald memset(adv_data_clean, 0, sizeof(adv_data_clean)); 31647a85e4f5SMatthias Ringwald memcpy(adv_data_clean, hci_stack->le_advertisements_data, hci_stack->le_advertisements_data_len); 3165f868b059SMatthias Ringwald hci_replace_bd_addr_placeholder(adv_data_clean, hci_stack->le_advertisements_data_len); 31667a85e4f5SMatthias Ringwald hci_send_cmd(&hci_le_set_advertising_data, hci_stack->le_advertisements_data_len, adv_data_clean); 316745c102fdSMatthias Ringwald return; 316845c102fdSMatthias Ringwald } 3169501f56b3SMatthias Ringwald if (hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_SET_SCAN_DATA){ 3170501f56b3SMatthias Ringwald hci_stack->le_advertisements_todo &= ~LE_ADVERTISEMENT_TASKS_SET_SCAN_DATA; 3171f868b059SMatthias Ringwald uint8_t scan_data_clean[31]; 3172f868b059SMatthias Ringwald memset(scan_data_clean, 0, sizeof(scan_data_clean)); 31738cdc9940SMatthias Ringwald memcpy(scan_data_clean, hci_stack->le_scan_response_data, hci_stack->le_scan_response_data_len); 3174f868b059SMatthias Ringwald hci_replace_bd_addr_placeholder(scan_data_clean, hci_stack->le_scan_response_data_len); 3175f868b059SMatthias Ringwald hci_send_cmd(&hci_le_set_scan_response_data, hci_stack->le_scan_response_data_len, hci_stack->le_scan_response_data); 3176501f56b3SMatthias Ringwald return; 3177501f56b3SMatthias Ringwald } 3178b95a5a35SMatthias Ringwald if (hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_ENABLE){ 317945c102fdSMatthias Ringwald hci_stack->le_advertisements_todo &= ~LE_ADVERTISEMENT_TASKS_ENABLE; 318045c102fdSMatthias Ringwald hci_send_cmd(&hci_le_set_advertise_enable, 1); 318145c102fdSMatthias Ringwald return; 318245c102fdSMatthias Ringwald } 3183d70217a2SMatthias Ringwald #endif 31849956955bSMatthias Ringwald 3185d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 31869956955bSMatthias Ringwald // 31879956955bSMatthias Ringwald // LE Whitelist Management 31889956955bSMatthias Ringwald // 31899956955bSMatthias Ringwald 31909956955bSMatthias Ringwald // check if whitelist needs modification 3191665d90f2SMatthias Ringwald btstack_linked_list_iterator_t lit; 31929956955bSMatthias Ringwald int modification_pending = 0; 3193665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&lit, &hci_stack->le_whitelist); 3194665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&lit)){ 3195665d90f2SMatthias Ringwald whitelist_entry_t * entry = (whitelist_entry_t*) btstack_linked_list_iterator_next(&lit); 31969956955bSMatthias Ringwald if (entry->state & (LE_WHITELIST_REMOVE_FROM_CONTROLLER | LE_WHITELIST_ADD_TO_CONTROLLER)){ 31979956955bSMatthias Ringwald modification_pending = 1; 31989956955bSMatthias Ringwald break; 31999956955bSMatthias Ringwald } 32009956955bSMatthias Ringwald } 320191915b0bSMatthias Ringwald 32029956955bSMatthias Ringwald if (modification_pending){ 320391915b0bSMatthias Ringwald // stop connnecting if modification pending 32049956955bSMatthias Ringwald if (hci_stack->le_connecting_state != LE_CONNECTING_IDLE){ 32059956955bSMatthias Ringwald hci_send_cmd(&hci_le_create_connection_cancel); 32069956955bSMatthias Ringwald return; 32079956955bSMatthias Ringwald } 32089956955bSMatthias Ringwald 32099956955bSMatthias Ringwald // add/remove entries 3210665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&lit, &hci_stack->le_whitelist); 3211665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&lit)){ 3212665d90f2SMatthias Ringwald whitelist_entry_t * entry = (whitelist_entry_t*) btstack_linked_list_iterator_next(&lit); 32139956955bSMatthias Ringwald if (entry->state & LE_WHITELIST_ADD_TO_CONTROLLER){ 32149956955bSMatthias Ringwald entry->state = LE_WHITELIST_ON_CONTROLLER; 32159956955bSMatthias Ringwald hci_send_cmd(&hci_le_add_device_to_white_list, entry->address_type, entry->address); 32169956955bSMatthias Ringwald return; 32179956955bSMatthias Ringwald 32189956955bSMatthias Ringwald } 32199956955bSMatthias Ringwald if (entry->state & LE_WHITELIST_REMOVE_FROM_CONTROLLER){ 32209ecbe201SMatthias Ringwald bd_addr_t address; 32219ecbe201SMatthias Ringwald bd_addr_type_t address_type = entry->address_type; 32229ecbe201SMatthias Ringwald memcpy(address, entry->address, 6); 3223665d90f2SMatthias Ringwald btstack_linked_list_remove(&hci_stack->le_whitelist, (btstack_linked_item_t *) entry); 32249956955bSMatthias Ringwald btstack_memory_whitelist_entry_free(entry); 32259ecbe201SMatthias Ringwald hci_send_cmd(&hci_le_remove_device_from_white_list, address_type, address); 32269956955bSMatthias Ringwald return; 32279956955bSMatthias Ringwald } 32289956955bSMatthias Ringwald } 322991915b0bSMatthias Ringwald } 32309956955bSMatthias Ringwald 32319956955bSMatthias Ringwald // start connecting 323291915b0bSMatthias Ringwald if ( hci_stack->le_connecting_state == LE_CONNECTING_IDLE && 3233665d90f2SMatthias Ringwald !btstack_linked_list_empty(&hci_stack->le_whitelist)){ 32349956955bSMatthias Ringwald bd_addr_t null_addr; 32359956955bSMatthias Ringwald memset(null_addr, 0, 6); 32369956955bSMatthias Ringwald hci_send_cmd(&hci_le_create_connection, 3237cbe54ab2SJakob Krantz hci_stack->le_connection_scan_interval, // scan interval: 60 ms 3238cbe54ab2SJakob Krantz hci_stack->le_connection_scan_window, // scan interval: 30 ms 32399956955bSMatthias Ringwald 1, // use whitelist 32409956955bSMatthias Ringwald 0, // peer address type 32419956955bSMatthias Ringwald null_addr, // peer bd addr 3242b95a5a35SMatthias Ringwald hci_stack->le_own_addr_type, // our addr type: 324373044eb2SMatthias Ringwald hci_stack->le_connection_interval_min, // conn interval min 324473044eb2SMatthias Ringwald hci_stack->le_connection_interval_max, // conn interval max 324573044eb2SMatthias Ringwald hci_stack->le_connection_latency, // conn latency 324673044eb2SMatthias Ringwald hci_stack->le_supervision_timeout, // conn latency 324773044eb2SMatthias Ringwald hci_stack->le_minimum_ce_length, // min ce length 324873044eb2SMatthias Ringwald hci_stack->le_maximum_ce_length // max ce length 32499956955bSMatthias Ringwald ); 32509956955bSMatthias Ringwald return; 32519956955bSMatthias Ringwald } 3252d70217a2SMatthias Ringwald #endif 32537bdc6798S[email protected] } 3254b2f949feS[email protected] #endif 32557bdc6798S[email protected] 325632ab9390Smatthias.ringwald // send pending HCI commands 3257665d90f2SMatthias Ringwald for (it = (btstack_linked_item_t *) hci_stack->connections; it ; it = it->next){ 325805ae8de3SMatthias Ringwald hci_connection_t * connection = (hci_connection_t *) it; 325932ab9390Smatthias.ringwald 32600bf6344aS[email protected] switch(connection->state){ 32610bf6344aS[email protected] case SEND_CREATE_CONNECTION: 32624f3229d8S[email protected] switch(connection->address_type){ 326335454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 32644f3229d8S[email protected] case BD_ADDR_TYPE_CLASSIC: 32659da54300S[email protected] log_info("sending hci_create_connection"); 3266ad83dc6aS[email protected] hci_send_cmd(&hci_create_connection, connection->address, hci_usable_acl_packet_types(), 0, 0, 0, 1); 32674f3229d8S[email protected] break; 326835454696SMatthias Ringwald #endif 32694f3229d8S[email protected] default: 3270a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 3271d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 32729da54300S[email protected] log_info("sending hci_le_create_connection"); 32734f3229d8S[email protected] hci_send_cmd(&hci_le_create_connection, 3274cbe54ab2SJakob Krantz hci_stack->le_connection_scan_interval, // conn scan interval 3275cbe54ab2SJakob Krantz hci_stack->le_connection_scan_window, // conn scan windows 32764f3229d8S[email protected] 0, // don't use whitelist 32774f3229d8S[email protected] connection->address_type, // peer address type 32784f3229d8S[email protected] connection->address, // peer bd addr 3279b95a5a35SMatthias Ringwald hci_stack->le_own_addr_type, // our addr type: 328073044eb2SMatthias Ringwald hci_stack->le_connection_interval_min, // conn interval min 328173044eb2SMatthias Ringwald hci_stack->le_connection_interval_max, // conn interval max 328273044eb2SMatthias Ringwald hci_stack->le_connection_latency, // conn latency 328373044eb2SMatthias Ringwald hci_stack->le_supervision_timeout, // conn latency 328473044eb2SMatthias Ringwald hci_stack->le_minimum_ce_length, // min ce length 328573044eb2SMatthias Ringwald hci_stack->le_maximum_ce_length // max ce length 32864f3229d8S[email protected] ); 32874f3229d8S[email protected] connection->state = SENT_CREATE_CONNECTION; 3288b2f949feS[email protected] #endif 3289d70217a2SMatthias Ringwald #endif 32904f3229d8S[email protected] break; 32914f3229d8S[email protected] } 3292ad83dc6aS[email protected] return; 3293ad83dc6aS[email protected] 329435454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 32950bf6344aS[email protected] case RECEIVED_CONNECTION_REQUEST: 32965cf766e8SMatthias Ringwald connection->role = HCI_ROLE_SLAVE; 3297e35edcc1S[email protected] if (connection->address_type == BD_ADDR_TYPE_CLASSIC){ 3298895f6685SMilanka Ringwald log_info("sending hci_accept_connection_request, remote eSCO %u", connection->remote_supported_feature_eSCO); 3299895f6685SMilanka Ringwald connection->state = ACCEPTED_CONNECTION_REQUEST; 3300c4c88f1bSJakob Krantz hci_send_cmd(&hci_accept_connection_request, connection->address, hci_stack->master_slave_policy); 3301e35edcc1S[email protected] } 3302dbe1a790S[email protected] return; 330335454696SMatthias Ringwald #endif 33040bf6344aS[email protected] 3305a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 3306d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 33070bf6344aS[email protected] case SEND_CANCEL_CONNECTION: 33080bf6344aS[email protected] connection->state = SENT_CANCEL_CONNECTION; 33090bf6344aS[email protected] hci_send_cmd(&hci_le_create_connection_cancel); 33100bf6344aS[email protected] return; 3311a6725849S[email protected] #endif 3312d70217a2SMatthias Ringwald #endif 33130bf6344aS[email protected] case SEND_DISCONNECT: 33140bf6344aS[email protected] connection->state = SENT_DISCONNECT; 33157851196eSmatthias.ringwald hci_send_cmd(&hci_disconnect, connection->con_handle, 0x13); // remote closed connection 33160bf6344aS[email protected] return; 33170bf6344aS[email protected] 33180bf6344aS[email protected] default: 33190bf6344aS[email protected] break; 3320c7e0c5f6Smatthias.ringwald } 3321c7e0c5f6Smatthias.ringwald 332235454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 332332ab9390Smatthias.ringwald if (connection->authentication_flags & HANDLE_LINK_KEY_REQUEST){ 33249da54300S[email protected] log_info("responding to link key request"); 332534d2123cS[email protected] connectionClearAuthenticationFlags(connection, HANDLE_LINK_KEY_REQUEST); 332632ab9390Smatthias.ringwald link_key_t link_key; 3327c77e8838S[email protected] link_key_type_t link_key_type; 3328a98592bcSMatthias Ringwald if ( hci_stack->link_key_db 3329a98592bcSMatthias Ringwald && hci_stack->link_key_db->get_link_key(connection->address, link_key, &link_key_type) 333034d2123cS[email protected] && gap_security_level_for_link_key_type(link_key_type) >= connection->requested_security_level){ 33319ab95c90S[email protected] connection->link_key_type = link_key_type; 333232ab9390Smatthias.ringwald hci_send_cmd(&hci_link_key_request_reply, connection->address, &link_key); 333332ab9390Smatthias.ringwald } else { 333432ab9390Smatthias.ringwald hci_send_cmd(&hci_link_key_request_negative_reply, connection->address); 333532ab9390Smatthias.ringwald } 3336dbe1a790S[email protected] return; 333732ab9390Smatthias.ringwald } 33381d6b20aeS[email protected] 3339899283eaS[email protected] if (connection->authentication_flags & DENY_PIN_CODE_REQUEST){ 33409da54300S[email protected] log_info("denying to pin request"); 3341899283eaS[email protected] connectionClearAuthenticationFlags(connection, DENY_PIN_CODE_REQUEST); 334234d2123cS[email protected] hci_send_cmd(&hci_pin_code_request_negative_reply, connection->address); 33434c57c146S[email protected] return; 33444c57c146S[email protected] } 33454c57c146S[email protected] 3346dbe1a790S[email protected] if (connection->authentication_flags & SEND_IO_CAPABILITIES_REPLY){ 334734d2123cS[email protected] connectionClearAuthenticationFlags(connection, SEND_IO_CAPABILITIES_REPLY); 334882d8f825S[email protected] log_info("IO Capability Request received, stack bondable %u, io cap %u", hci_stack->bondable, hci_stack->ssp_io_capability); 334982d8f825S[email protected] if (hci_stack->bondable && (hci_stack->ssp_io_capability != SSP_IO_CAPABILITY_UNKNOWN)){ 3350106d6d11S[email protected] // tweak authentication requirements 33513a9fb326S[email protected] uint8_t authreq = hci_stack->ssp_authentication_requirement; 3352106d6d11S[email protected] if (connection->bonding_flags & BONDING_DEDICATED){ 33539faad3abS[email protected] authreq = SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING; 33549faad3abS[email protected] } 33559faad3abS[email protected] if (gap_mitm_protection_required_for_security_level(connection->requested_security_level)){ 33569faad3abS[email protected] authreq |= 1; 3357106d6d11S[email protected] } 33583a9fb326S[email protected] hci_send_cmd(&hci_io_capability_request_reply, &connection->address, hci_stack->ssp_io_capability, NULL, authreq); 3359f8fb5f6eS[email protected] } else { 3360f8fb5f6eS[email protected] hci_send_cmd(&hci_io_capability_request_negative_reply, &connection->address, ERROR_CODE_PAIRING_NOT_ALLOWED); 3361f8fb5f6eS[email protected] } 3362dbe1a790S[email protected] return; 336332ab9390Smatthias.ringwald } 336432ab9390Smatthias.ringwald 3365dbe1a790S[email protected] if (connection->authentication_flags & SEND_USER_CONFIRM_REPLY){ 3366dbe1a790S[email protected] connectionClearAuthenticationFlags(connection, SEND_USER_CONFIRM_REPLY); 336734d2123cS[email protected] hci_send_cmd(&hci_user_confirmation_request_reply, &connection->address); 3368dbe1a790S[email protected] return; 3369dbe1a790S[email protected] } 3370dbe1a790S[email protected] 3371dbe1a790S[email protected] if (connection->authentication_flags & SEND_USER_PASSKEY_REPLY){ 3372dbe1a790S[email protected] connectionClearAuthenticationFlags(connection, SEND_USER_PASSKEY_REPLY); 337334d2123cS[email protected] hci_send_cmd(&hci_user_passkey_request_reply, &connection->address, 000000); 3374dbe1a790S[email protected] return; 3375dbe1a790S[email protected] } 3376afd4e962S[email protected] 3377afd4e962S[email protected] if (connection->bonding_flags & BONDING_REQUEST_REMOTE_FEATURES){ 3378afd4e962S[email protected] connection->bonding_flags &= ~BONDING_REQUEST_REMOTE_FEATURES; 337934d2123cS[email protected] hci_send_cmd(&hci_read_remote_supported_features_command, connection->con_handle); 33802bd8b7e7S[email protected] return; 33812bd8b7e7S[email protected] } 33822bd8b7e7S[email protected] 3383ad83dc6aS[email protected] if (connection->bonding_flags & BONDING_DISCONNECT_DEDICATED_DONE){ 3384ad83dc6aS[email protected] connection->bonding_flags &= ~BONDING_DISCONNECT_DEDICATED_DONE; 33851bd5283dS[email protected] connection->bonding_flags |= BONDING_EMIT_COMPLETE_ON_DISCONNECT; 338652d34f98S[email protected] hci_send_cmd(&hci_disconnect, connection->con_handle, 0x13); // authentication done 3387ad83dc6aS[email protected] return; 3388ad83dc6aS[email protected] } 338976f27cffSMatthias Ringwald 339034d2123cS[email protected] if (connection->bonding_flags & BONDING_SEND_AUTHENTICATE_REQUEST){ 339134d2123cS[email protected] connection->bonding_flags &= ~BONDING_SEND_AUTHENTICATE_REQUEST; 339234d2123cS[email protected] hci_send_cmd(&hci_authentication_requested, connection->con_handle); 33932bd8b7e7S[email protected] return; 3394afd4e962S[email protected] } 339576f27cffSMatthias Ringwald 3396dce78009S[email protected] if (connection->bonding_flags & BONDING_SEND_ENCRYPTION_REQUEST){ 3397dce78009S[email protected] connection->bonding_flags &= ~BONDING_SEND_ENCRYPTION_REQUEST; 3398dce78009S[email protected] hci_send_cmd(&hci_set_connection_encryption, connection->con_handle, 1); 3399dce78009S[email protected] return; 3400dce78009S[email protected] } 340176f27cffSMatthias Ringwald #endif 340276f27cffSMatthias Ringwald 340376f27cffSMatthias Ringwald if (connection->bonding_flags & BONDING_DISCONNECT_SECURITY_BLOCK){ 340476f27cffSMatthias Ringwald connection->bonding_flags &= ~BONDING_DISCONNECT_SECURITY_BLOCK; 340576f27cffSMatthias Ringwald hci_send_cmd(&hci_disconnect, connection->con_handle, 0x0005); // authentication failure 340676f27cffSMatthias Ringwald return; 340776f27cffSMatthias Ringwald } 3408da886c03S[email protected] 3409a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 341073cd8a2aSMatthias Ringwald switch (connection->le_con_parameter_update_state){ 341173cd8a2aSMatthias Ringwald // response to L2CAP CON PARAMETER UPDATE REQUEST 341273cd8a2aSMatthias Ringwald case CON_PARAMETER_UPDATE_CHANGE_HCI_CON_PARAMETERS: 3413da886c03S[email protected] connection->le_con_parameter_update_state = CON_PARAMETER_UPDATE_NONE; 341473cd8a2aSMatthias Ringwald hci_send_cmd(&hci_le_connection_update, connection->con_handle, connection->le_conn_interval_min, 3415c37a3166S[email protected] connection->le_conn_interval_max, connection->le_conn_latency, connection->le_supervision_timeout, 3416c37a3166S[email protected] 0x0000, 0xffff); 341773cd8a2aSMatthias Ringwald break; 341873cd8a2aSMatthias Ringwald case CON_PARAMETER_UPDATE_REPLY: 341973cd8a2aSMatthias Ringwald connection->le_con_parameter_update_state = CON_PARAMETER_UPDATE_NONE; 342073cd8a2aSMatthias Ringwald hci_send_cmd(&hci_le_remote_connection_parameter_request_reply, connection->con_handle, connection->le_conn_interval_min, 342173cd8a2aSMatthias Ringwald connection->le_conn_interval_max, connection->le_conn_latency, connection->le_supervision_timeout, 342273cd8a2aSMatthias Ringwald 0x0000, 0xffff); 342373cd8a2aSMatthias Ringwald break; 342473cd8a2aSMatthias Ringwald case CON_PARAMETER_UPDATE_NEGATIVE_REPLY: 342573cd8a2aSMatthias Ringwald connection->le_con_parameter_update_state = CON_PARAMETER_UPDATE_NONE; 342673cd8a2aSMatthias Ringwald hci_send_cmd(&hci_le_remote_connection_parameter_request_negative_reply, ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE); 342773cd8a2aSMatthias Ringwald break; 342873cd8a2aSMatthias Ringwald default: 342973cd8a2aSMatthias Ringwald break; 3430c37a3166S[email protected] } 3431c37a3166S[email protected] #endif 3432dbe1a790S[email protected] } 3433c7e0c5f6Smatthias.ringwald 343405ae8de3SMatthias Ringwald hci_connection_t * connection; 34353a9fb326S[email protected] switch (hci_stack->state){ 34363429f56bSmatthias.ringwald case HCI_STATE_INITIALIZING: 343774b323a9SMatthias Ringwald hci_initializing_run(); 34383429f56bSmatthias.ringwald break; 3439c7e0c5f6Smatthias.ringwald 3440c7e0c5f6Smatthias.ringwald case HCI_STATE_HALTING: 3441c7e0c5f6Smatthias.ringwald 34429da54300S[email protected] log_info("HCI_STATE_HALTING"); 34439956955bSMatthias Ringwald 34449956955bSMatthias Ringwald // free whitelist entries 3445a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 3446d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 34479956955bSMatthias Ringwald { 3448665d90f2SMatthias Ringwald btstack_linked_list_iterator_t lit; 3449665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&lit, &hci_stack->le_whitelist); 3450665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&lit)){ 3451665d90f2SMatthias Ringwald whitelist_entry_t * entry = (whitelist_entry_t*) btstack_linked_list_iterator_next(&lit); 3452665d90f2SMatthias Ringwald btstack_linked_list_remove(&hci_stack->le_whitelist, (btstack_linked_item_t *) entry); 34539956955bSMatthias Ringwald btstack_memory_whitelist_entry_free(entry); 34549956955bSMatthias Ringwald } 34559956955bSMatthias Ringwald } 34569956955bSMatthias Ringwald #endif 3457d70217a2SMatthias Ringwald #endif 3458c7e0c5f6Smatthias.ringwald // close all open connections 34593a9fb326S[email protected] connection = (hci_connection_t *) hci_stack->connections; 3460c7e0c5f6Smatthias.ringwald if (connection){ 3461711e6c80SMatthias Ringwald hci_con_handle_t con_handle = (uint16_t) connection->con_handle; 3462d94d3cafS[email protected] if (!hci_can_send_command_packet_now()) return; 346332ab9390Smatthias.ringwald 34648fca890eSMatthias Ringwald // check state 34658fca890eSMatthias Ringwald if (connection->state == SENT_DISCONNECT) return; 34668fca890eSMatthias Ringwald connection->state = SENT_DISCONNECT; 34678fca890eSMatthias Ringwald 34688837e9efSMatthias Ringwald log_info("HCI_STATE_HALTING, connection %p, handle %u", connection, con_handle); 3469c7e0c5f6Smatthias.ringwald 34708837e9efSMatthias Ringwald // cancel all l2cap connections right away instead of waiting for disconnection complete event ... 34718837e9efSMatthias Ringwald hci_emit_disconnection_complete(con_handle, 0x16); // terminated by local host 34728837e9efSMatthias Ringwald 34738837e9efSMatthias Ringwald // ... which would be ignored anyway as we shutdown (free) the connection now 3474c7e0c5f6Smatthias.ringwald hci_shutdown_connection(connection); 34758837e9efSMatthias Ringwald 34768837e9efSMatthias Ringwald // finally, send the disconnect command 34778837e9efSMatthias Ringwald hci_send_cmd(&hci_disconnect, con_handle, 0x13); // remote closed connection 3478c7e0c5f6Smatthias.ringwald return; 3479c7e0c5f6Smatthias.ringwald } 34809da54300S[email protected] log_info("HCI_STATE_HALTING, calling off"); 3481c7e0c5f6Smatthias.ringwald 348272ea5239Smatthias.ringwald // switch mode 3483c7e0c5f6Smatthias.ringwald hci_power_control_off(); 34849418f9c9Smatthias.ringwald 34859da54300S[email protected] log_info("HCI_STATE_HALTING, emitting state"); 348672ea5239Smatthias.ringwald hci_emit_state(); 34879da54300S[email protected] log_info("HCI_STATE_HALTING, done"); 348872ea5239Smatthias.ringwald break; 3489c7e0c5f6Smatthias.ringwald 349072ea5239Smatthias.ringwald case HCI_STATE_FALLING_ASLEEP: 34913a9fb326S[email protected] switch(hci_stack->substate) { 349274b323a9SMatthias Ringwald case HCI_FALLING_ASLEEP_DISCONNECT: 34939da54300S[email protected] log_info("HCI_STATE_FALLING_ASLEEP"); 349472ea5239Smatthias.ringwald // close all open connections 34953a9fb326S[email protected] connection = (hci_connection_t *) hci_stack->connections; 349666da7044Smatthias.ringwald 3497423a3e49SMatthias Ringwald #ifdef HAVE_PLATFORM_IPHONE_OS 349866da7044Smatthias.ringwald // don't close connections, if H4 supports power management 3499d0b87befSMatthias Ringwald if (btstack_control_iphone_power_management_enabled()){ 350066da7044Smatthias.ringwald connection = NULL; 350166da7044Smatthias.ringwald } 350266da7044Smatthias.ringwald #endif 350372ea5239Smatthias.ringwald if (connection){ 350432ab9390Smatthias.ringwald 350572ea5239Smatthias.ringwald // send disconnect 3506d94d3cafS[email protected] if (!hci_can_send_command_packet_now()) return; 350732ab9390Smatthias.ringwald 35089da54300S[email protected] log_info("HCI_STATE_FALLING_ASLEEP, connection %p, handle %u", connection, (uint16_t)connection->con_handle); 35096ad890d3Smatthias.ringwald hci_send_cmd(&hci_disconnect, connection->con_handle, 0x13); // remote closed connection 351072ea5239Smatthias.ringwald 351172ea5239Smatthias.ringwald // send disconnected event right away - causes higher layer connections to get closed, too. 351272ea5239Smatthias.ringwald hci_shutdown_connection(connection); 351372ea5239Smatthias.ringwald return; 351472ea5239Smatthias.ringwald } 351572ea5239Smatthias.ringwald 351692368cd3S[email protected] if (hci_classic_supported()){ 351789db417bSmatthias.ringwald // disable page and inquiry scan 3518d94d3cafS[email protected] if (!hci_can_send_command_packet_now()) return; 351932ab9390Smatthias.ringwald 35209da54300S[email protected] log_info("HCI_STATE_HALTING, disabling inq scans"); 35213a9fb326S[email protected] hci_send_cmd(&hci_write_scan_enable, hci_stack->connectable << 1); // drop inquiry scan but keep page scan 352289db417bSmatthias.ringwald 352389db417bSmatthias.ringwald // continue in next sub state 352474b323a9SMatthias Ringwald hci_stack->substate = HCI_FALLING_ASLEEP_W4_WRITE_SCAN_ENABLE; 352589db417bSmatthias.ringwald break; 352692368cd3S[email protected] } 3527202c8a4cSMatthias Ringwald // no break - fall through for ble-only chips 352892368cd3S[email protected] 352974b323a9SMatthias Ringwald case HCI_FALLING_ASLEEP_COMPLETE: 35309da54300S[email protected] log_info("HCI_STATE_HALTING, calling sleep"); 3531423a3e49SMatthias Ringwald #ifdef HAVE_PLATFORM_IPHONE_OS 353228171530Smatthias.ringwald // don't actually go to sleep, if H4 supports power management 3533d0b87befSMatthias Ringwald if (btstack_control_iphone_power_management_enabled()){ 353428171530Smatthias.ringwald // SLEEP MODE reached 35353a9fb326S[email protected] hci_stack->state = HCI_STATE_SLEEPING; 353628171530Smatthias.ringwald hci_emit_state(); 353728171530Smatthias.ringwald break; 353828171530Smatthias.ringwald } 353928171530Smatthias.ringwald #endif 354072ea5239Smatthias.ringwald // switch mode 35413a9fb326S[email protected] hci_power_control_sleep(); // changes hci_stack->state to SLEEP 3542c7e0c5f6Smatthias.ringwald hci_emit_state(); 354328171530Smatthias.ringwald break; 354428171530Smatthias.ringwald 354589db417bSmatthias.ringwald default: 354689db417bSmatthias.ringwald break; 354789db417bSmatthias.ringwald } 3548c7e0c5f6Smatthias.ringwald break; 3549c7e0c5f6Smatthias.ringwald 35503429f56bSmatthias.ringwald default: 35513429f56bSmatthias.ringwald break; 35521f504dbdSmatthias.ringwald } 35533429f56bSmatthias.ringwald } 355416833f0aSmatthias.ringwald 355531452debSmatthias.ringwald int hci_send_cmd_packet(uint8_t *packet, int size){ 355635454696SMatthias Ringwald // house-keeping 355735454696SMatthias Ringwald 355835454696SMatthias Ringwald if (IS_COMMAND(packet, hci_write_loopback_mode)){ 355935454696SMatthias Ringwald hci_stack->loopback_mode = packet[3]; 356035454696SMatthias Ringwald } 356135454696SMatthias Ringwald 356235454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 3563c8e4258aSmatthias.ringwald bd_addr_t addr; 3564c8e4258aSmatthias.ringwald hci_connection_t * conn; 3565c8e4258aSmatthias.ringwald 3566c8e4258aSmatthias.ringwald // create_connection? 3567c8e4258aSmatthias.ringwald if (IS_COMMAND(packet, hci_create_connection)){ 3568724d70a2SMatthias Ringwald reverse_bd_addr(&packet[3], addr); 35699da54300S[email protected] log_info("Create_connection to %s", bd_addr_to_str(addr)); 3570c8e4258aSmatthias.ringwald 35712e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_CLASSIC); 3572ad83dc6aS[email protected] if (!conn){ 357396a45072S[email protected] conn = create_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_CLASSIC); 357417f1ba2aSmatthias.ringwald if (!conn){ 357517f1ba2aSmatthias.ringwald // notify client that alloc failed 35762deddeceSMatthias Ringwald hci_emit_connection_complete(addr, 0, BTSTACK_MEMORY_ALLOC_FAILED); 3577f5e5741dSMatthias Ringwald return -1; // packet not sent to controller 357817f1ba2aSmatthias.ringwald } 3579ad83dc6aS[email protected] conn->state = SEND_CREATE_CONNECTION; 3580ad83dc6aS[email protected] } 3581ad83dc6aS[email protected] log_info("conn state %u", conn->state); 3582ad83dc6aS[email protected] switch (conn->state){ 3583ad83dc6aS[email protected] // if connection active exists 3584ad83dc6aS[email protected] case OPEN: 3585f5e5741dSMatthias Ringwald // and OPEN, emit connection complete command 3586274dad91SMatthias Ringwald hci_emit_connection_complete(addr, conn->con_handle, 0); 3587f5e5741dSMatthias Ringwald return -1; // packet not sent to controller 3588ad83dc6aS[email protected] case SEND_CREATE_CONNECTION: 3589532f91a5SMatthias Ringwald // connection created by hci, e.g. dedicated bonding, but not executed yet, let's do it now 3590532f91a5SMatthias Ringwald break; 3591ad83dc6aS[email protected] default: 3592ad83dc6aS[email protected] // otherwise, just ignore as it is already in the open process 3593f5e5741dSMatthias Ringwald return -1; // packet not sent to controller 3594ad83dc6aS[email protected] } 3595c8e4258aSmatthias.ringwald conn->state = SENT_CREATE_CONNECTION; 3596c8e4258aSmatthias.ringwald } 359735454696SMatthias Ringwald 35987fde4af9Smatthias.ringwald if (IS_COMMAND(packet, hci_link_key_request_reply)){ 35997fde4af9Smatthias.ringwald hci_add_connection_flags_for_flipped_bd_addr(&packet[3], SENT_LINK_KEY_REPLY); 36007fde4af9Smatthias.ringwald } 36017fde4af9Smatthias.ringwald if (IS_COMMAND(packet, hci_link_key_request_negative_reply)){ 36027fde4af9Smatthias.ringwald hci_add_connection_flags_for_flipped_bd_addr(&packet[3], SENT_LINK_KEY_NEGATIVE_REQUEST); 36037fde4af9Smatthias.ringwald } 36047fde4af9Smatthias.ringwald 36058ef73945Smatthias.ringwald if (IS_COMMAND(packet, hci_delete_stored_link_key)){ 3606a98592bcSMatthias Ringwald if (hci_stack->link_key_db){ 3607724d70a2SMatthias Ringwald reverse_bd_addr(&packet[3], addr); 3608a98592bcSMatthias Ringwald hci_stack->link_key_db->delete_link_key(addr); 36098ef73945Smatthias.ringwald } 36108ef73945Smatthias.ringwald } 3611c8e4258aSmatthias.ringwald 36126724cd9eS[email protected] if (IS_COMMAND(packet, hci_pin_code_request_negative_reply) 36136724cd9eS[email protected] || IS_COMMAND(packet, hci_pin_code_request_reply)){ 3614724d70a2SMatthias Ringwald reverse_bd_addr(&packet[3], addr); 36152e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_CLASSIC); 36166724cd9eS[email protected] if (conn){ 36176724cd9eS[email protected] connectionClearAuthenticationFlags(conn, LEGACY_PAIRING_ACTIVE); 36186724cd9eS[email protected] } 36196724cd9eS[email protected] } 36206724cd9eS[email protected] 36216724cd9eS[email protected] if (IS_COMMAND(packet, hci_user_confirmation_request_negative_reply) 36226724cd9eS[email protected] || IS_COMMAND(packet, hci_user_confirmation_request_reply) 36236724cd9eS[email protected] || IS_COMMAND(packet, hci_user_passkey_request_negative_reply) 36246724cd9eS[email protected] || IS_COMMAND(packet, hci_user_passkey_request_reply)) { 3625724d70a2SMatthias Ringwald reverse_bd_addr(&packet[3], addr); 36262e77e513S[email protected] conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_CLASSIC); 36276724cd9eS[email protected] if (conn){ 36286724cd9eS[email protected] connectionClearAuthenticationFlags(conn, SSP_PAIRING_ACTIVE); 36296724cd9eS[email protected] } 36306724cd9eS[email protected] } 3631ee752bb8SMatthias Ringwald 3632ee752bb8SMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 3633ee752bb8SMatthias Ringwald // setup_synchronous_connection? Voice setting at offset 22 3634ee752bb8SMatthias Ringwald if (IS_COMMAND(packet, hci_setup_synchronous_connection)){ 3635ee752bb8SMatthias Ringwald // TODO: compare to current setting if sco connection already active 3636ee752bb8SMatthias Ringwald hci_stack->sco_voice_setting_active = little_endian_read_16(packet, 15); 3637ee752bb8SMatthias Ringwald } 3638ee752bb8SMatthias Ringwald // accept_synchronus_connection? Voice setting at offset 18 3639ee752bb8SMatthias Ringwald if (IS_COMMAND(packet, hci_accept_synchronous_connection)){ 3640ee752bb8SMatthias Ringwald // TODO: compare to current setting if sco connection already active 3641ee752bb8SMatthias Ringwald hci_stack->sco_voice_setting_active = little_endian_read_16(packet, 19); 3642ee752bb8SMatthias Ringwald } 3643ee752bb8SMatthias Ringwald #endif 364435454696SMatthias Ringwald #endif 36454b3e1e19SMatthias Ringwald 3646a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 3647d70217a2SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 364869a97523S[email protected] if (IS_COMMAND(packet, hci_le_set_random_address)){ 3649b95a5a35SMatthias Ringwald hci_stack->le_random_address_set = 1; 3650b95a5a35SMatthias Ringwald reverse_bd_addr(&packet[3], hci_stack->le_random_address); 3651d70217a2SMatthias Ringwald } 3652171293d3SMatthias Ringwald if (IS_COMMAND(packet, hci_le_set_advertise_enable)){ 3653171293d3SMatthias Ringwald hci_stack->le_advertisements_active = packet[3]; 3654171293d3SMatthias Ringwald } 3655d70217a2SMatthias Ringwald #endif 3656d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 3657b04dfa37SMatthias Ringwald if (IS_COMMAND(packet, hci_le_create_connection)){ 3658b04dfa37SMatthias Ringwald // white list used? 3659b04dfa37SMatthias Ringwald uint8_t initiator_filter_policy = packet[7]; 3660b04dfa37SMatthias Ringwald switch (initiator_filter_policy){ 3661b04dfa37SMatthias Ringwald case 0: 3662b04dfa37SMatthias Ringwald // whitelist not used 3663b04dfa37SMatthias Ringwald hci_stack->le_connecting_state = LE_CONNECTING_DIRECT; 3664b04dfa37SMatthias Ringwald break; 3665b04dfa37SMatthias Ringwald case 1: 3666b04dfa37SMatthias Ringwald hci_stack->le_connecting_state = LE_CONNECTING_WHITELIST; 3667b04dfa37SMatthias Ringwald break; 3668b04dfa37SMatthias Ringwald default: 3669b04dfa37SMatthias Ringwald log_error("Invalid initiator_filter_policy in LE Create Connection %u", initiator_filter_policy); 3670b04dfa37SMatthias Ringwald break; 3671b04dfa37SMatthias Ringwald } 3672b04dfa37SMatthias Ringwald } 3673b04dfa37SMatthias Ringwald if (IS_COMMAND(packet, hci_le_create_connection_cancel)){ 3674b04dfa37SMatthias Ringwald hci_stack->le_connecting_state = LE_CONNECTING_IDLE; 3675b04dfa37SMatthias Ringwald } 367669a97523S[email protected] #endif 3677d70217a2SMatthias Ringwald #endif 367869a97523S[email protected] 36793a9fb326S[email protected] hci_stack->num_cmd_packets--; 36805bb5bc3eS[email protected] 36815bb5bc3eS[email protected] hci_dump_packet(HCI_COMMAND_DATA_PACKET, 0, packet, size); 3682bfea0222SMatthias Ringwald return hci_stack->hci_transport->send_packet(HCI_COMMAND_DATA_PACKET, packet, size); 368331452debSmatthias.ringwald } 36848adf0ddaSmatthias.ringwald 36852bd8b7e7S[email protected] // disconnect because of security block 36862bd8b7e7S[email protected] void hci_disconnect_security_block(hci_con_handle_t con_handle){ 36872bd8b7e7S[email protected] hci_connection_t * connection = hci_connection_for_handle(con_handle); 36882bd8b7e7S[email protected] if (!connection) return; 36892bd8b7e7S[email protected] connection->bonding_flags |= BONDING_DISCONNECT_SECURITY_BLOCK; 36902bd8b7e7S[email protected] } 36912bd8b7e7S[email protected] 36922bd8b7e7S[email protected] 3693dbe1a790S[email protected] // Configure Secure Simple Pairing 3694dbe1a790S[email protected] 369535454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 369635454696SMatthias Ringwald 3697dbe1a790S[email protected] // enable will enable SSP during init 369815a95bd5SMatthias Ringwald void gap_ssp_set_enable(int enable){ 36993a9fb326S[email protected] hci_stack->ssp_enable = enable; 3700dbe1a790S[email protected] } 3701dbe1a790S[email protected] 370295d71764SMatthias Ringwald static int hci_local_ssp_activated(void){ 370315a95bd5SMatthias Ringwald return gap_ssp_supported() && hci_stack->ssp_enable; 37042bd8b7e7S[email protected] } 37052bd8b7e7S[email protected] 3706dbe1a790S[email protected] // if set, BTstack will respond to io capability request using authentication requirement 370715a95bd5SMatthias Ringwald void gap_ssp_set_io_capability(int io_capability){ 37083a9fb326S[email protected] hci_stack->ssp_io_capability = io_capability; 3709dbe1a790S[email protected] } 371015a95bd5SMatthias Ringwald void gap_ssp_set_authentication_requirement(int authentication_requirement){ 37113a9fb326S[email protected] hci_stack->ssp_authentication_requirement = authentication_requirement; 3712dbe1a790S[email protected] } 3713dbe1a790S[email protected] 3714dbe1a790S[email protected] // if set, BTstack will confirm a numberic comparion and enter '000000' if requested 371515a95bd5SMatthias Ringwald void gap_ssp_set_auto_accept(int auto_accept){ 37163a9fb326S[email protected] hci_stack->ssp_auto_accept = auto_accept; 3717dbe1a790S[email protected] } 371835454696SMatthias Ringwald #endif 3719dbe1a790S[email protected] 372094be1a66SMatthias Ringwald // va_list part of hci_send_cmd 372194be1a66SMatthias Ringwald int hci_send_cmd_va_arg(const hci_cmd_t *cmd, va_list argptr){ 3722d94d3cafS[email protected] if (!hci_can_send_command_packet_now()){ 37239d14b626S[email protected] log_error("hci_send_cmd called but cannot send packet now"); 37249d14b626S[email protected] return 0; 37259d14b626S[email protected] } 37269d14b626S[email protected] 37275127cc62S[email protected] // for HCI INITIALIZATION 37289da54300S[email protected] // log_info("hci_send_cmd: opcode %04x", cmd->opcode); 37295127cc62S[email protected] hci_stack->last_cmd_opcode = cmd->opcode; 37305127cc62S[email protected] 37319d14b626S[email protected] hci_reserve_packet_buffer(); 37329d14b626S[email protected] uint8_t * packet = hci_stack->hci_packet_buffer; 373394be1a66SMatthias Ringwald uint16_t size = hci_cmd_create_from_template(packet, cmd, argptr); 3734bfea0222SMatthias Ringwald int err = hci_send_cmd_packet(packet, size); 3735bfea0222SMatthias Ringwald 3736bfea0222SMatthias Ringwald // release packet buffer for synchronous transport implementations 3737bfea0222SMatthias Ringwald if (hci_transport_synchronous()){ 3738e2d22487SMatthias Ringwald hci_release_packet_buffer(); 3739068b8592SMatthias Ringwald hci_emit_transport_packet_sent(); 3740bfea0222SMatthias Ringwald } 3741bfea0222SMatthias Ringwald 3742bfea0222SMatthias Ringwald return err; 374394be1a66SMatthias Ringwald } 37449d14b626S[email protected] 374594be1a66SMatthias Ringwald /** 374694be1a66SMatthias Ringwald * pre: numcmds >= 0 - it's allowed to send a command to the controller 374794be1a66SMatthias Ringwald */ 374894be1a66SMatthias Ringwald int hci_send_cmd(const hci_cmd_t *cmd, ...){ 37491cd208adSmatthias.ringwald va_list argptr; 37501cd208adSmatthias.ringwald va_start(argptr, cmd); 375194be1a66SMatthias Ringwald int res = hci_send_cmd_va_arg(cmd, argptr); 37521cd208adSmatthias.ringwald va_end(argptr); 375394be1a66SMatthias Ringwald return res; 375493b8dc03Smatthias.ringwald } 3755c8e4258aSmatthias.ringwald 3756ee091cf1Smatthias.ringwald // Create various non-HCI events. 3757ee091cf1Smatthias.ringwald // TODO: generalize, use table similar to hci_create_command 3758ee091cf1Smatthias.ringwald 3759d6b06661SMatthias Ringwald static void hci_emit_event(uint8_t * event, uint16_t size, int dump){ 3760fb37a842SMatthias Ringwald // dump packet 3761d6b06661SMatthias Ringwald if (dump) { 3762300c1ba4SMatthias Ringwald hci_dump_packet( HCI_EVENT_PACKET, 0, event, size); 3763d6b06661SMatthias Ringwald } 37641ef6bb52SMatthias Ringwald 3765fb37a842SMatthias Ringwald // dispatch to all event handlers 37661ef6bb52SMatthias Ringwald btstack_linked_list_iterator_t it; 37671ef6bb52SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->event_handlers); 37681ef6bb52SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 37691ef6bb52SMatthias Ringwald btstack_packet_callback_registration_t * entry = (btstack_packet_callback_registration_t*) btstack_linked_list_iterator_next(&it); 3770d9a7306aSMatthias Ringwald entry->callback(HCI_EVENT_PACKET, 0, event, size); 37711ef6bb52SMatthias Ringwald } 3772d6b06661SMatthias Ringwald } 3773d6b06661SMatthias Ringwald 3774d6b06661SMatthias Ringwald static void hci_emit_acl_packet(uint8_t * packet, uint16_t size){ 3775fb37a842SMatthias Ringwald if (!hci_stack->acl_packet_handler) return; 37763d50b4baSMatthias Ringwald hci_stack->acl_packet_handler(HCI_ACL_DATA_PACKET, 0, packet, size); 3777d6b06661SMatthias Ringwald } 3778d6b06661SMatthias Ringwald 377935454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 3780701e3307SMatthias Ringwald static void hci_notify_if_sco_can_send_now(void){ 37813bc639ceSMatthias Ringwald // notify SCO sender if waiting 3782701e3307SMatthias Ringwald if (!hci_stack->sco_waiting_for_can_send_now) return; 3783701e3307SMatthias Ringwald if (hci_can_send_sco_packet_now()){ 37843bc639ceSMatthias Ringwald hci_stack->sco_waiting_for_can_send_now = 0; 3785701e3307SMatthias Ringwald uint8_t event[2] = { HCI_EVENT_SCO_CAN_SEND_NOW, 0 }; 3786701e3307SMatthias Ringwald hci_dump_packet(HCI_EVENT_PACKET, 1, event, sizeof(event)); 37873d50b4baSMatthias Ringwald hci_stack->sco_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event)); 37883bc639ceSMatthias Ringwald } 37893bc639ceSMatthias Ringwald } 37901cfb383eSMatthias Ringwald 37911cfb383eSMatthias Ringwald // parsing end emitting has been merged to reduce code size 37921cfb383eSMatthias Ringwald static void gap_inquiry_explode(uint8_t * packet){ 3793e4f5dd75SMatthias Ringwald uint8_t event[19+GAP_INQUIRY_MAX_NAME_LEN]; 37941cfb383eSMatthias Ringwald 37951cfb383eSMatthias Ringwald uint8_t * eir_data; 37961cfb383eSMatthias Ringwald ad_context_t context; 37971cfb383eSMatthias Ringwald const uint8_t * name; 37981cfb383eSMatthias Ringwald uint8_t name_len; 37991cfb383eSMatthias Ringwald 38001cfb383eSMatthias Ringwald int event_type = hci_event_packet_get_type(packet); 38011cfb383eSMatthias Ringwald int num_reserved_fields = event_type == HCI_EVENT_INQUIRY_RESULT ? 2 : 1; // 2 for old event, 1 otherwise 38021cfb383eSMatthias Ringwald int num_responses = hci_event_inquiry_result_get_num_responses(packet); 38031cfb383eSMatthias Ringwald 38041cfb383eSMatthias Ringwald // event[1] is set at the end 38051cfb383eSMatthias Ringwald int i; 38061cfb383eSMatthias Ringwald for (i=0; i<num_responses;i++){ 38071cfb383eSMatthias Ringwald memset(event, 0, sizeof(event)); 38081cfb383eSMatthias Ringwald event[0] = GAP_EVENT_INQUIRY_RESULT; 38091cfb383eSMatthias Ringwald uint8_t event_size = 18; // if name is not set by EIR 38101cfb383eSMatthias Ringwald 38111cfb383eSMatthias Ringwald memcpy(&event[2], &packet[3 + i*6], 6); // bd_addr 38121cfb383eSMatthias Ringwald event[8] = packet[3 + num_responses*(6) + i*1]; // page_scan_repetition_mode 38131cfb383eSMatthias Ringwald memcpy(&event[9], &packet[3 + num_responses*(6+1+num_reserved_fields) + i*3], 3); // class of device 38141cfb383eSMatthias Ringwald memcpy(&event[12], &packet[3 + num_responses*(6+1+num_reserved_fields+3) + i*2], 2); // clock offset 38151cfb383eSMatthias Ringwald 38161cfb383eSMatthias Ringwald switch (event_type){ 38171cfb383eSMatthias Ringwald case HCI_EVENT_INQUIRY_RESULT: 38181cfb383eSMatthias Ringwald // 14,15,16,17 = 0, size 18 38191cfb383eSMatthias Ringwald break; 38201cfb383eSMatthias Ringwald case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI: 38211cfb383eSMatthias Ringwald event[14] = 1; 38221cfb383eSMatthias Ringwald event[15] = packet [3 + num_responses*(6+1+num_reserved_fields+3+2) + i*1]; // rssi 38231cfb383eSMatthias Ringwald // 16,17 = 0, size 18 38241cfb383eSMatthias Ringwald break; 38251cfb383eSMatthias Ringwald case HCI_EVENT_EXTENDED_INQUIRY_RESPONSE: 38261cfb383eSMatthias Ringwald event[14] = 1; 38271cfb383eSMatthias Ringwald event[15] = packet [3 + num_responses*(6+1+num_reserved_fields+3+2) + i*1]; // rssi 38281cfb383eSMatthias Ringwald // for EIR packets, there is only one reponse in it 38291cfb383eSMatthias Ringwald eir_data = &packet[3 + (6+1+num_reserved_fields+3+2+1)]; 38301cfb383eSMatthias Ringwald name = NULL; 38311cfb383eSMatthias Ringwald // EIR data is 240 bytes in EIR event 38321cfb383eSMatthias Ringwald for (ad_iterator_init(&context, 240, eir_data) ; ad_iterator_has_more(&context) ; ad_iterator_next(&context)){ 38331cfb383eSMatthias Ringwald uint8_t data_type = ad_iterator_get_data_type(&context); 38341cfb383eSMatthias Ringwald uint8_t data_size = ad_iterator_get_data_len(&context); 38351cfb383eSMatthias Ringwald const uint8_t * data = ad_iterator_get_data(&context); 38361cfb383eSMatthias Ringwald // Prefer Complete Local Name over Shortend Local Name 38371cfb383eSMatthias Ringwald switch (data_type){ 38381cfb383eSMatthias Ringwald case BLUETOOTH_DATA_TYPE_SHORTENED_LOCAL_NAME: 38391cfb383eSMatthias Ringwald if (name) continue; 38401cfb383eSMatthias Ringwald /* explicit fall-through */ 38411cfb383eSMatthias Ringwald case BLUETOOTH_DATA_TYPE_COMPLETE_LOCAL_NAME: 38421cfb383eSMatthias Ringwald name = data; 38431cfb383eSMatthias Ringwald name_len = data_size; 38441cfb383eSMatthias Ringwald break; 38451cfb383eSMatthias Ringwald default: 38461cfb383eSMatthias Ringwald break; 38471cfb383eSMatthias Ringwald } 38481cfb383eSMatthias Ringwald } 38491cfb383eSMatthias Ringwald if (name){ 38501cfb383eSMatthias Ringwald event[16] = 1; 38511cfb383eSMatthias Ringwald // truncate name if needed 38521cfb383eSMatthias Ringwald int len = btstack_min(name_len, GAP_INQUIRY_MAX_NAME_LEN); 38531cfb383eSMatthias Ringwald event[17] = len; 38541cfb383eSMatthias Ringwald memcpy(&event[18], name, len); 38551cfb383eSMatthias Ringwald event_size += len; 38561cfb383eSMatthias Ringwald } 38571cfb383eSMatthias Ringwald break; 38581cfb383eSMatthias Ringwald } 38591cfb383eSMatthias Ringwald event[1] = event_size - 2; 38601cfb383eSMatthias Ringwald hci_emit_event(event, event_size, 1); 38611cfb383eSMatthias Ringwald } 38621cfb383eSMatthias Ringwald } 386335454696SMatthias Ringwald #endif 38643bc639ceSMatthias Ringwald 386571de195eSMatthias Ringwald void hci_emit_state(void){ 38663a9fb326S[email protected] log_info("BTSTACK_EVENT_STATE %u", hci_stack->state); 3867425d1371Smatthias.ringwald uint8_t event[3]; 386880d52d6bSmatthias.ringwald event[0] = BTSTACK_EVENT_STATE; 3869425d1371Smatthias.ringwald event[1] = sizeof(event) - 2; 38703a9fb326S[email protected] event[2] = hci_stack->state; 3871d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 3872c8e4258aSmatthias.ringwald } 3873c8e4258aSmatthias.ringwald 387435454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 38752deddeceSMatthias Ringwald static void hci_emit_connection_complete(bd_addr_t address, hci_con_handle_t con_handle, uint8_t status){ 3876425d1371Smatthias.ringwald uint8_t event[13]; 3877c8e4258aSmatthias.ringwald event[0] = HCI_EVENT_CONNECTION_COMPLETE; 3878425d1371Smatthias.ringwald event[1] = sizeof(event) - 2; 387917f1ba2aSmatthias.ringwald event[2] = status; 38802deddeceSMatthias Ringwald little_endian_store_16(event, 3, con_handle); 38812deddeceSMatthias Ringwald reverse_bd_addr(address, &event[5]); 3882c8e4258aSmatthias.ringwald event[11] = 1; // ACL connection 3883c8e4258aSmatthias.ringwald event[12] = 0; // encryption disabled 3884d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 3885c8e4258aSmatthias.ringwald } 388652db98b2SMatthias Ringwald static void hci_emit_l2cap_check_timeout(hci_connection_t *conn){ 388752db98b2SMatthias Ringwald if (disable_l2cap_timeouts) return; 388852db98b2SMatthias Ringwald log_info("L2CAP_EVENT_TIMEOUT_CHECK"); 388952db98b2SMatthias Ringwald uint8_t event[4]; 389052db98b2SMatthias Ringwald event[0] = L2CAP_EVENT_TIMEOUT_CHECK; 389152db98b2SMatthias Ringwald event[1] = sizeof(event) - 2; 389252db98b2SMatthias Ringwald little_endian_store_16(event, 2, conn->con_handle); 389352db98b2SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 389452db98b2SMatthias Ringwald } 389535454696SMatthias Ringwald #endif 3896c8e4258aSmatthias.ringwald 389735454696SMatthias Ringwald #ifdef ENABLE_BLE 3898d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 3899fc64f94aSMatthias Ringwald static void hci_emit_le_connection_complete(uint8_t address_type, bd_addr_t address, hci_con_handle_t con_handle, uint8_t status){ 39004f3229d8S[email protected] uint8_t event[21]; 39014f3229d8S[email protected] event[0] = HCI_EVENT_LE_META; 39024f3229d8S[email protected] event[1] = sizeof(event) - 2; 39034f3229d8S[email protected] event[2] = HCI_SUBEVENT_LE_CONNECTION_COMPLETE; 39044f3229d8S[email protected] event[3] = status; 3905fc64f94aSMatthias Ringwald little_endian_store_16(event, 4, con_handle); 39064f3229d8S[email protected] event[6] = 0; // TODO: role 39076e2e9a6bS[email protected] event[7] = address_type; 3908724d70a2SMatthias Ringwald reverse_bd_addr(address, &event[8]); 3909f8fbdce0SMatthias Ringwald little_endian_store_16(event, 14, 0); // interval 3910f8fbdce0SMatthias Ringwald little_endian_store_16(event, 16, 0); // latency 3911f8fbdce0SMatthias Ringwald little_endian_store_16(event, 18, 0); // supervision timeout 39124f3229d8S[email protected] event[20] = 0; // master clock accuracy 3913d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 39144f3229d8S[email protected] } 391535454696SMatthias Ringwald #endif 3916d70217a2SMatthias Ringwald #endif 39174f3229d8S[email protected] 3918fd43c0e0SMatthias Ringwald static void hci_emit_transport_packet_sent(void){ 3919fd43c0e0SMatthias Ringwald // notify upper stack that it might be possible to send again 3920fd43c0e0SMatthias Ringwald uint8_t event[] = { HCI_EVENT_TRANSPORT_PACKET_SENT, 0}; 3921fd43c0e0SMatthias Ringwald hci_emit_event(&event[0], sizeof(event), 0); // don't dump 3922fd43c0e0SMatthias Ringwald } 3923fd43c0e0SMatthias Ringwald 3924fc64f94aSMatthias Ringwald static void hci_emit_disconnection_complete(hci_con_handle_t con_handle, uint8_t reason){ 3925425d1371Smatthias.ringwald uint8_t event[6]; 39263c4d4b90Smatthias.ringwald event[0] = HCI_EVENT_DISCONNECTION_COMPLETE; 3927e518c4b8Smatthias.ringwald event[1] = sizeof(event) - 2; 39283c4d4b90Smatthias.ringwald event[2] = 0; // status = OK 3929fc64f94aSMatthias Ringwald little_endian_store_16(event, 3, con_handle); 39303c4d4b90Smatthias.ringwald event[5] = reason; 3931d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 39323c4d4b90Smatthias.ringwald } 39333c4d4b90Smatthias.ringwald 3934b83d5eabSMatthias Ringwald static void hci_emit_nr_connections_changed(void){ 3935e0abb8e7S[email protected] log_info("BTSTACK_EVENT_NR_CONNECTIONS_CHANGED %u", nr_hci_connections()); 3936425d1371Smatthias.ringwald uint8_t event[3]; 393780d52d6bSmatthias.ringwald event[0] = BTSTACK_EVENT_NR_CONNECTIONS_CHANGED; 3938425d1371Smatthias.ringwald event[1] = sizeof(event) - 2; 393943bfb1bdSmatthias.ringwald event[2] = nr_hci_connections(); 3940d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 394143bfb1bdSmatthias.ringwald } 3942038bc64cSmatthias.ringwald 3943b83d5eabSMatthias Ringwald static void hci_emit_hci_open_failed(void){ 3944e0abb8e7S[email protected] log_info("BTSTACK_EVENT_POWERON_FAILED"); 3945425d1371Smatthias.ringwald uint8_t event[2]; 394680d52d6bSmatthias.ringwald event[0] = BTSTACK_EVENT_POWERON_FAILED; 3947425d1371Smatthias.ringwald event[1] = sizeof(event) - 2; 3948d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 3949038bc64cSmatthias.ringwald } 39501b0e3922Smatthias.ringwald 395135454696SMatthias Ringwald static void hci_emit_dedicated_bonding_result(bd_addr_t address, uint8_t status){ 395235454696SMatthias Ringwald log_info("hci_emit_dedicated_bonding_result %u ", status); 395335454696SMatthias Ringwald uint8_t event[9]; 395435454696SMatthias Ringwald int pos = 0; 395535454696SMatthias Ringwald event[pos++] = GAP_EVENT_DEDICATED_BONDING_COMPLETED; 395635454696SMatthias Ringwald event[pos++] = sizeof(event) - 2; 395735454696SMatthias Ringwald event[pos++] = status; 395835454696SMatthias Ringwald reverse_bd_addr(address, &event[pos]); 3959d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 3960381fbed8Smatthias.ringwald } 3961458bf4e8S[email protected] 396235454696SMatthias Ringwald 396335454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 396435454696SMatthias Ringwald 3965b83d5eabSMatthias Ringwald static void hci_emit_security_level(hci_con_handle_t con_handle, gap_security_level_t level){ 3966df3354fcS[email protected] log_info("hci_emit_security_level %u for handle %x", level, con_handle); 3967a00031e2S[email protected] uint8_t event[5]; 3968e00caf9cS[email protected] int pos = 0; 39695611a760SMatthias Ringwald event[pos++] = GAP_EVENT_SECURITY_LEVEL; 3970e00caf9cS[email protected] event[pos++] = sizeof(event) - 2; 3971f8fbdce0SMatthias Ringwald little_endian_store_16(event, 2, con_handle); 3972e00caf9cS[email protected] pos += 2; 3973e00caf9cS[email protected] event[pos++] = level; 3974d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 3975e00caf9cS[email protected] } 3976e00caf9cS[email protected] 397735454696SMatthias Ringwald static gap_security_level_t gap_security_level_for_connection(hci_connection_t * connection){ 397835454696SMatthias Ringwald if (!connection) return LEVEL_0; 397935454696SMatthias Ringwald if ((connection->authentication_flags & CONNECTION_ENCRYPTED) == 0) return LEVEL_0; 398035454696SMatthias Ringwald return gap_security_level_for_link_key_type(connection->link_key_type); 398135454696SMatthias Ringwald } 398235454696SMatthias Ringwald 398335454696SMatthias Ringwald static void hci_emit_discoverable_enabled(uint8_t enabled){ 398435454696SMatthias Ringwald log_info("BTSTACK_EVENT_DISCOVERABLE_ENABLED %u", enabled); 398535454696SMatthias Ringwald uint8_t event[3]; 398635454696SMatthias Ringwald event[0] = BTSTACK_EVENT_DISCOVERABLE_ENABLED; 398735454696SMatthias Ringwald event[1] = sizeof(event) - 2; 398835454696SMatthias Ringwald event[2] = enabled; 3989d6b06661SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 3990ad83dc6aS[email protected] } 3991ad83dc6aS[email protected] 399206b9e820SMatthias Ringwald #ifdef ENABLE_CLASSIC 399398a2fd1cSMatthias Ringwald // query if remote side supports eSCO 3994073bd0faSMatthias Ringwald int hci_remote_esco_supported(hci_con_handle_t con_handle){ 399598a2fd1cSMatthias Ringwald hci_connection_t * connection = hci_connection_for_handle(con_handle); 399698a2fd1cSMatthias Ringwald if (!connection) return 0; 399798a2fd1cSMatthias Ringwald return connection->remote_supported_feature_eSCO; 399898a2fd1cSMatthias Ringwald } 399998a2fd1cSMatthias Ringwald 40002bd8b7e7S[email protected] // query if remote side supports SSP 40012bd8b7e7S[email protected] int hci_remote_ssp_supported(hci_con_handle_t con_handle){ 40022bd8b7e7S[email protected] hci_connection_t * connection = hci_connection_for_handle(con_handle); 40032bd8b7e7S[email protected] if (!connection) return 0; 40042bd8b7e7S[email protected] return (connection->bonding_flags & BONDING_REMOTE_SUPPORTS_SSP) ? 1 : 0; 40052bd8b7e7S[email protected] } 40062bd8b7e7S[email protected] 400715a95bd5SMatthias Ringwald int gap_ssp_supported_on_both_sides(hci_con_handle_t handle){ 4008df3354fcS[email protected] return hci_local_ssp_activated() && hci_remote_ssp_supported(handle); 4009df3354fcS[email protected] } 401006b9e820SMatthias Ringwald #endif 4011df3354fcS[email protected] 4012458bf4e8S[email protected] // GAP API 4013458bf4e8S[email protected] /** 4014458bf4e8S[email protected] * @bbrief enable/disable bonding. default is enabled 4015458bf4e8S[email protected] * @praram enabled 4016458bf4e8S[email protected] */ 40174c57c146S[email protected] void gap_set_bondable_mode(int enable){ 40183a9fb326S[email protected] hci_stack->bondable = enable ? 1 : 0; 4019458bf4e8S[email protected] } 40204ef6443cSMatthias Ringwald /** 40214ef6443cSMatthias Ringwald * @brief Get bondable mode. 40224ef6443cSMatthias Ringwald * @return 1 if bondable 40234ef6443cSMatthias Ringwald */ 40244ef6443cSMatthias Ringwald int gap_get_bondable_mode(void){ 40254ef6443cSMatthias Ringwald return hci_stack->bondable; 40264ef6443cSMatthias Ringwald } 4027cb230b9dS[email protected] 4028cb230b9dS[email protected] /** 402934d2123cS[email protected] * @brief map link keys to security levels 4030cb230b9dS[email protected] */ 403134d2123cS[email protected] gap_security_level_t gap_security_level_for_link_key_type(link_key_type_t link_key_type){ 403234d2123cS[email protected] switch (link_key_type){ 40333c68dfa9S[email protected] case AUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P256: 40343c68dfa9S[email protected] return LEVEL_4; 40353c68dfa9S[email protected] case COMBINATION_KEY: 40363c68dfa9S[email protected] case AUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P192: 40373c68dfa9S[email protected] return LEVEL_3; 40383c68dfa9S[email protected] default: 40393c68dfa9S[email protected] return LEVEL_2; 40403c68dfa9S[email protected] } 4041cb230b9dS[email protected] } 4042cb230b9dS[email protected] 4043106d6d11S[email protected] int gap_mitm_protection_required_for_security_level(gap_security_level_t level){ 40445127cc62S[email protected] log_info("gap_mitm_protection_required_for_security_level %u", level); 4045106d6d11S[email protected] return level > LEVEL_2; 4046106d6d11S[email protected] } 4047106d6d11S[email protected] 404834d2123cS[email protected] /** 404934d2123cS[email protected] * @brief get current security level 405034d2123cS[email protected] */ 405134d2123cS[email protected] gap_security_level_t gap_security_level(hci_con_handle_t con_handle){ 405234d2123cS[email protected] hci_connection_t * connection = hci_connection_for_handle(con_handle); 405334d2123cS[email protected] if (!connection) return LEVEL_0; 405434d2123cS[email protected] return gap_security_level_for_connection(connection); 405534d2123cS[email protected] } 405634d2123cS[email protected] 4057cb230b9dS[email protected] /** 4058cb230b9dS[email protected] * @brief request connection to device to 4059cb230b9dS[email protected] * @result GAP_AUTHENTICATION_RESULT 4060cb230b9dS[email protected] */ 406134d2123cS[email protected] void gap_request_security_level(hci_con_handle_t con_handle, gap_security_level_t requested_level){ 406234d2123cS[email protected] hci_connection_t * connection = hci_connection_for_handle(con_handle); 406334d2123cS[email protected] if (!connection){ 4064a00031e2S[email protected] hci_emit_security_level(con_handle, LEVEL_0); 406534d2123cS[email protected] return; 406634d2123cS[email protected] } 406734d2123cS[email protected] gap_security_level_t current_level = gap_security_level(con_handle); 406883d08d7cSMatthias Ringwald log_info("gap_request_security_level requested level %u, planned level %u, current level %u", 406983d08d7cSMatthias Ringwald requested_level, connection->requested_security_level, current_level); 407083d08d7cSMatthias Ringwald 407183d08d7cSMatthias Ringwald // assumption: earlier requested security higher than current level => security request is active 407283d08d7cSMatthias Ringwald if (current_level < connection->requested_security_level){ 407383d08d7cSMatthias Ringwald if (connection->requested_security_level < requested_level){ 407483d08d7cSMatthias Ringwald // increase requested level as new level is higher 407583d08d7cSMatthias Ringwald 407683d08d7cSMatthias Ringwald // TODO: handle re-authentication when done 407783d08d7cSMatthias Ringwald 407883d08d7cSMatthias Ringwald connection->requested_security_level = requested_level; 407983d08d7cSMatthias Ringwald } 408083d08d7cSMatthias Ringwald return; 408183d08d7cSMatthias Ringwald } 408283d08d7cSMatthias Ringwald 408383d08d7cSMatthias Ringwald // no request active, notify if security sufficient 408483d08d7cSMatthias Ringwald if (requested_level <= current_level){ 4085a00031e2S[email protected] hci_emit_security_level(con_handle, current_level); 408634d2123cS[email protected] return; 408734d2123cS[email protected] } 4088a00031e2S[email protected] 408983d08d7cSMatthias Ringwald // start pairing to increase security level 409034d2123cS[email protected] connection->requested_security_level = requested_level; 4091a00031e2S[email protected] 409225bf5872S[email protected] #if 0 409325bf5872S[email protected] // sending encryption request without a link key results in an error. 409425bf5872S[email protected] // TODO: figure out how to use it properly 409525bf5872S[email protected] 4096fb8ba0dbS[email protected] // would enabling ecnryption suffice (>= LEVEL_2)? 4097a98592bcSMatthias Ringwald if (hci_stack->link_key_db){ 4098a00031e2S[email protected] link_key_type_t link_key_type; 4099a00031e2S[email protected] link_key_t link_key; 4100a98592bcSMatthias Ringwald if (hci_stack->link_key_db->get_link_key( &connection->address, &link_key, &link_key_type)){ 4101a00031e2S[email protected] if (gap_security_level_for_link_key_type(link_key_type) >= requested_level){ 4102a00031e2S[email protected] connection->bonding_flags |= BONDING_SEND_ENCRYPTION_REQUEST; 4103a00031e2S[email protected] return; 4104a00031e2S[email protected] } 4105a00031e2S[email protected] } 4106a00031e2S[email protected] } 410725bf5872S[email protected] #endif 4108a00031e2S[email protected] 410983d08d7cSMatthias Ringwald // start to authenticate connection 41101eb2563eS[email protected] connection->bonding_flags |= BONDING_SEND_AUTHENTICATE_REQUEST; 4111e80b2cf9S[email protected] hci_run(); 4112e00caf9cS[email protected] } 4113ad83dc6aS[email protected] 4114ad83dc6aS[email protected] /** 4115ad83dc6aS[email protected] * @brief start dedicated bonding with device. disconnect after bonding 4116ad83dc6aS[email protected] * @param device 4117ad83dc6aS[email protected] * @param request MITM protection 4118ad83dc6aS[email protected] * @result GAP_DEDICATED_BONDING_COMPLETE 4119ad83dc6aS[email protected] */ 4120ad83dc6aS[email protected] int gap_dedicated_bonding(bd_addr_t device, int mitm_protection_required){ 4121ad83dc6aS[email protected] 4122ad83dc6aS[email protected] // create connection state machine 412396a45072S[email protected] hci_connection_t * connection = create_connection_for_bd_addr_and_type(device, BD_ADDR_TYPE_CLASSIC); 4124ad83dc6aS[email protected] 4125ad83dc6aS[email protected] if (!connection){ 4126ad83dc6aS[email protected] return BTSTACK_MEMORY_ALLOC_FAILED; 4127ad83dc6aS[email protected] } 4128ad83dc6aS[email protected] 4129ad83dc6aS[email protected] // delete linkn key 413015a95bd5SMatthias Ringwald gap_drop_link_key_for_bd_addr(device); 4131ad83dc6aS[email protected] 4132ad83dc6aS[email protected] // configure LEVEL_2/3, dedicated bonding 4133ad83dc6aS[email protected] connection->state = SEND_CREATE_CONNECTION; 4134ad83dc6aS[email protected] connection->requested_security_level = mitm_protection_required ? LEVEL_3 : LEVEL_2; 4135f04a0c31SMatthias Ringwald log_info("gap_dedicated_bonding, mitm %d -> level %u", mitm_protection_required, connection->requested_security_level); 4136ad83dc6aS[email protected] connection->bonding_flags = BONDING_DEDICATED; 4137ad83dc6aS[email protected] 4138ad83dc6aS[email protected] // wait for GAP Security Result and send GAP Dedicated Bonding complete 4139ad83dc6aS[email protected] 4140ad83dc6aS[email protected] // handle: connnection failure (connection complete != ok) 4141ad83dc6aS[email protected] // handle: authentication failure 4142ad83dc6aS[email protected] // handle: disconnect on done 4143ad83dc6aS[email protected] 4144ad83dc6aS[email protected] hci_run(); 4145ad83dc6aS[email protected] 4146ad83dc6aS[email protected] return 0; 4147ad83dc6aS[email protected] } 414835454696SMatthias Ringwald #endif 41498e618f72S[email protected] 41508e618f72S[email protected] void gap_set_local_name(const char * local_name){ 41518e618f72S[email protected] hci_stack->local_name = local_name; 41528e618f72S[email protected] } 41538e618f72S[email protected] 415435454696SMatthias Ringwald 415535454696SMatthias Ringwald #ifdef ENABLE_BLE 415635454696SMatthias Ringwald 4157d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 4158d8e8f12aSMatthias Ringwald void gap_start_scan(void){ 41596fab74dbSMatthias Ringwald hci_stack->le_scanning_enabled = 1; 41607bdc6798S[email protected] hci_run(); 41617bdc6798S[email protected] } 41628e618f72S[email protected] 4163d8e8f12aSMatthias Ringwald void gap_stop_scan(void){ 41646fab74dbSMatthias Ringwald hci_stack->le_scanning_enabled = 0; 41657bdc6798S[email protected] hci_run(); 41667bdc6798S[email protected] } 41674f3229d8S[email protected] 4168d8e8f12aSMatthias Ringwald void gap_set_scan_parameters(uint8_t scan_type, uint16_t scan_interval, uint16_t scan_window){ 4169ef11999fSmatthias.ringwald hci_stack->le_scan_type = scan_type; 4170ef11999fSmatthias.ringwald hci_stack->le_scan_interval = scan_interval; 4171ef11999fSmatthias.ringwald hci_stack->le_scan_window = scan_window; 4172ef11999fSmatthias.ringwald hci_run(); 4173ef11999fSmatthias.ringwald } 41744f3229d8S[email protected] 4175d8e8f12aSMatthias Ringwald uint8_t gap_connect(bd_addr_t addr, bd_addr_type_t addr_type){ 41764f3229d8S[email protected] hci_connection_t * conn = hci_connection_for_bd_addr_and_type(addr, addr_type); 41774f3229d8S[email protected] if (!conn){ 4178d8e8f12aSMatthias Ringwald log_info("gap_connect: no connection exists yet, creating context"); 41792e77e513S[email protected] conn = create_connection_for_bd_addr_and_type(addr, addr_type); 41804f3229d8S[email protected] if (!conn){ 41814f3229d8S[email protected] // notify client that alloc failed 41826e2e9a6bS[email protected] hci_emit_le_connection_complete(addr_type, addr, 0, BTSTACK_MEMORY_ALLOC_FAILED); 4183d8e8f12aSMatthias Ringwald log_info("gap_connect: failed to alloc hci_connection_t"); 4184472a5742SMatthias Ringwald return GATT_CLIENT_NOT_CONNECTED; // don't sent packet to controller 41854f3229d8S[email protected] } 41864f3229d8S[email protected] conn->state = SEND_CREATE_CONNECTION; 4187d8e8f12aSMatthias Ringwald log_info("gap_connect: send create connection next"); 4188564fca32S[email protected] hci_run(); 4189616edd56SMatthias Ringwald return 0; 41904f3229d8S[email protected] } 41910bf6344aS[email protected] 41920bf6344aS[email protected] if (!hci_is_le_connection(conn) || 41930bf6344aS[email protected] conn->state == SEND_CREATE_CONNECTION || 41940bf6344aS[email protected] conn->state == SENT_CREATE_CONNECTION) { 41952e77e513S[email protected] hci_emit_le_connection_complete(conn->address_type, conn->address, 0, ERROR_CODE_COMMAND_DISALLOWED); 4196d8e8f12aSMatthias Ringwald log_error("gap_connect: classic connection or connect is already being created"); 4197616edd56SMatthias Ringwald return GATT_CLIENT_IN_WRONG_STATE; 41980bf6344aS[email protected] } 41990bf6344aS[email protected] 4200d8e8f12aSMatthias Ringwald log_info("gap_connect: context exists with state %u", conn->state); 42012e77e513S[email protected] hci_emit_le_connection_complete(conn->address_type, conn->address, conn->con_handle, 0); 42024f3229d8S[email protected] hci_run(); 4203616edd56SMatthias Ringwald return 0; 42044f3229d8S[email protected] } 42054f3229d8S[email protected] 42067851196eSmatthias.ringwald // @assumption: only a single outgoing LE Connection exists 4207d8e8f12aSMatthias Ringwald static hci_connection_t * gap_get_outgoing_connection(void){ 4208665d90f2SMatthias Ringwald btstack_linked_item_t *it; 4209665d90f2SMatthias Ringwald for (it = (btstack_linked_item_t *) hci_stack->connections; it ; it = it->next){ 42100bf6344aS[email protected] hci_connection_t * conn = (hci_connection_t *) it; 42110bf6344aS[email protected] if (!hci_is_le_connection(conn)) continue; 42120bf6344aS[email protected] switch (conn->state){ 4213a6725849S[email protected] case SEND_CREATE_CONNECTION: 42147851196eSmatthias.ringwald case SENT_CREATE_CONNECTION: 42159c77c9dbSMatthias Ringwald case SENT_CANCEL_CONNECTION: 42167851196eSmatthias.ringwald return conn; 42177851196eSmatthias.ringwald default: 42187851196eSmatthias.ringwald break; 42197851196eSmatthias.ringwald }; 42207851196eSmatthias.ringwald } 42217851196eSmatthias.ringwald return NULL; 42227851196eSmatthias.ringwald } 42237851196eSmatthias.ringwald 4224d8e8f12aSMatthias Ringwald uint8_t gap_connect_cancel(void){ 4225d8e8f12aSMatthias Ringwald hci_connection_t * conn = gap_get_outgoing_connection(); 4226616edd56SMatthias Ringwald if (!conn) return 0; 42277851196eSmatthias.ringwald switch (conn->state){ 42287851196eSmatthias.ringwald case SEND_CREATE_CONNECTION: 42297851196eSmatthias.ringwald // skip sending create connection and emit event instead 42302e77e513S[email protected] hci_emit_le_connection_complete(conn->address_type, conn->address, 0, ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER); 4231665d90f2SMatthias Ringwald btstack_linked_list_remove(&hci_stack->connections, (btstack_linked_item_t *) conn); 42327851196eSmatthias.ringwald btstack_memory_hci_connection_free( conn ); 42330bf6344aS[email protected] break; 4234a6725849S[email protected] case SENT_CREATE_CONNECTION: 42357851196eSmatthias.ringwald // request to send cancel connection 42360bf6344aS[email protected] conn->state = SEND_CANCEL_CONNECTION; 42370bf6344aS[email protected] hci_run(); 42380bf6344aS[email protected] break; 42390bf6344aS[email protected] default: 42400bf6344aS[email protected] break; 42410bf6344aS[email protected] } 4242616edd56SMatthias Ringwald return 0; 4243e31f89a7S[email protected] } 4244d70217a2SMatthias Ringwald #endif 42454f3229d8S[email protected] 424613e645d2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 4247c37a3166S[email protected] /** 42486012052bSMatthias Ringwald * @brief Set connection parameters for outgoing connections 4249cbe54ab2SJakob Krantz * @param conn_scan_interval (unit: 0.625 msec), default: 60 ms 4250cbe54ab2SJakob Krantz * @param conn_scan_window (unit: 0.625 msec), default: 30 ms 42516012052bSMatthias Ringwald * @param conn_interval_min (unit: 1.25ms), default: 10 ms 42526012052bSMatthias Ringwald * @param conn_interval_max (unit: 1.25ms), default: 30 ms 42536012052bSMatthias Ringwald * @param conn_latency, default: 4 42546012052bSMatthias Ringwald * @param supervision_timeout (unit: 10ms), default: 720 ms 42556012052bSMatthias Ringwald * @param min_ce_length (unit: 0.625ms), default: 10 ms 42566012052bSMatthias Ringwald * @param max_ce_length (unit: 0.625ms), default: 30 ms 42576012052bSMatthias Ringwald */ 42586012052bSMatthias Ringwald 4259cbe54ab2SJakob Krantz void gap_set_connection_parameters(uint16_t conn_scan_interval, uint16_t conn_scan_window, 4260cbe54ab2SJakob Krantz uint16_t conn_interval_min, uint16_t conn_interval_max, uint16_t conn_latency, 4261cbe54ab2SJakob Krantz uint16_t supervision_timeout, uint16_t min_ce_length, uint16_t max_ce_length){ 4262cbe54ab2SJakob Krantz hci_stack->le_connection_scan_interval = conn_scan_interval; 4263cbe54ab2SJakob Krantz hci_stack->le_connection_scan_window = conn_scan_window; 42646012052bSMatthias Ringwald hci_stack->le_connection_interval_min = conn_interval_min; 42656012052bSMatthias Ringwald hci_stack->le_connection_interval_max = conn_interval_max; 42666012052bSMatthias Ringwald hci_stack->le_connection_latency = conn_latency; 42676012052bSMatthias Ringwald hci_stack->le_supervision_timeout = supervision_timeout; 42686012052bSMatthias Ringwald hci_stack->le_minimum_ce_length = min_ce_length; 42696012052bSMatthias Ringwald hci_stack->le_maximum_ce_length = max_ce_length; 42706012052bSMatthias Ringwald } 427113e645d2SMatthias Ringwald #endif 42726012052bSMatthias Ringwald 42736012052bSMatthias Ringwald /** 4274c37a3166S[email protected] * @brief Updates the connection parameters for a given LE connection 4275c37a3166S[email protected] * @param handle 4276c37a3166S[email protected] * @param conn_interval_min (unit: 1.25ms) 4277c37a3166S[email protected] * @param conn_interval_max (unit: 1.25ms) 4278c37a3166S[email protected] * @param conn_latency 4279c37a3166S[email protected] * @param supervision_timeout (unit: 10ms) 4280c37a3166S[email protected] * @returns 0 if ok 4281c37a3166S[email protected] */ 4282c37a3166S[email protected] int gap_update_connection_parameters(hci_con_handle_t con_handle, uint16_t conn_interval_min, 4283c37a3166S[email protected] uint16_t conn_interval_max, uint16_t conn_latency, uint16_t supervision_timeout){ 4284c37a3166S[email protected] hci_connection_t * connection = hci_connection_for_handle(con_handle); 4285c37a3166S[email protected] if (!connection) return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 4286c37a3166S[email protected] connection->le_conn_interval_min = conn_interval_min; 4287c37a3166S[email protected] connection->le_conn_interval_max = conn_interval_max; 4288c37a3166S[email protected] connection->le_conn_latency = conn_latency; 4289c37a3166S[email protected] connection->le_supervision_timeout = supervision_timeout; 429084cf6d83SMatthias Ringwald connection->le_con_parameter_update_state = CON_PARAMETER_UPDATE_CHANGE_HCI_CON_PARAMETERS; 4291cfc59f1bSMatthias Ringwald hci_run(); 4292c37a3166S[email protected] return 0; 4293c37a3166S[email protected] } 4294c37a3166S[email protected] 429545c102fdSMatthias Ringwald /** 4296b68d7bc3SMatthias Ringwald * @brief Request an update of the connection parameter for a given LE connection 4297b68d7bc3SMatthias Ringwald * @param handle 4298b68d7bc3SMatthias Ringwald * @param conn_interval_min (unit: 1.25ms) 4299b68d7bc3SMatthias Ringwald * @param conn_interval_max (unit: 1.25ms) 4300b68d7bc3SMatthias Ringwald * @param conn_latency 4301b68d7bc3SMatthias Ringwald * @param supervision_timeout (unit: 10ms) 4302b68d7bc3SMatthias Ringwald * @returns 0 if ok 4303b68d7bc3SMatthias Ringwald */ 4304b68d7bc3SMatthias Ringwald int gap_request_connection_parameter_update(hci_con_handle_t con_handle, uint16_t conn_interval_min, 4305b68d7bc3SMatthias Ringwald uint16_t conn_interval_max, uint16_t conn_latency, uint16_t supervision_timeout){ 4306b68d7bc3SMatthias Ringwald hci_connection_t * connection = hci_connection_for_handle(con_handle); 4307b68d7bc3SMatthias Ringwald if (!connection) return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 4308b68d7bc3SMatthias Ringwald connection->le_conn_interval_min = conn_interval_min; 4309b68d7bc3SMatthias Ringwald connection->le_conn_interval_max = conn_interval_max; 4310b68d7bc3SMatthias Ringwald connection->le_conn_latency = conn_latency; 4311b68d7bc3SMatthias Ringwald connection->le_supervision_timeout = supervision_timeout; 4312b68d7bc3SMatthias Ringwald connection->le_con_parameter_update_state = CON_PARAMETER_UPDATE_SEND_REQUEST; 4313b68d7bc3SMatthias Ringwald hci_run(); 4314b68d7bc3SMatthias Ringwald return 0; 4315b68d7bc3SMatthias Ringwald } 4316b68d7bc3SMatthias Ringwald 4317d70217a2SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 4318d70217a2SMatthias Ringwald 4319501f56b3SMatthias Ringwald static void gap_advertisments_changed(void){ 4320501f56b3SMatthias Ringwald // disable advertisements before updating adv, scan data, or adv params 4321501f56b3SMatthias Ringwald if (hci_stack->le_advertisements_active){ 4322501f56b3SMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_DISABLE | LE_ADVERTISEMENT_TASKS_ENABLE; 4323501f56b3SMatthias Ringwald } 4324501f56b3SMatthias Ringwald hci_run(); 4325501f56b3SMatthias Ringwald } 4326501f56b3SMatthias Ringwald 4327b68d7bc3SMatthias Ringwald /** 432845c102fdSMatthias Ringwald * @brief Set Advertisement Data 432945c102fdSMatthias Ringwald * @param advertising_data_length 433045c102fdSMatthias Ringwald * @param advertising_data (max 31 octets) 433145c102fdSMatthias Ringwald * @note data is not copied, pointer has to stay valid 433245c102fdSMatthias Ringwald */ 433345c102fdSMatthias Ringwald void gap_advertisements_set_data(uint8_t advertising_data_length, uint8_t * advertising_data){ 433445c102fdSMatthias Ringwald hci_stack->le_advertisements_data_len = advertising_data_length; 433545c102fdSMatthias Ringwald hci_stack->le_advertisements_data = advertising_data; 4336501f56b3SMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_SET_ADV_DATA; 4337501f56b3SMatthias Ringwald gap_advertisments_changed(); 433845c102fdSMatthias Ringwald } 4339501f56b3SMatthias Ringwald 4340501f56b3SMatthias Ringwald /** 4341501f56b3SMatthias Ringwald * @brief Set Scan Response Data 4342501f56b3SMatthias Ringwald * @param advertising_data_length 4343501f56b3SMatthias Ringwald * @param advertising_data (max 31 octets) 4344501f56b3SMatthias Ringwald * @note data is not copied, pointer has to stay valid 4345501f56b3SMatthias Ringwald */ 4346501f56b3SMatthias Ringwald void gap_scan_response_set_data(uint8_t scan_response_data_length, uint8_t * scan_response_data){ 4347501f56b3SMatthias Ringwald hci_stack->le_scan_response_data_len = scan_response_data_length; 4348501f56b3SMatthias Ringwald hci_stack->le_scan_response_data = scan_response_data; 4349501f56b3SMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_SET_SCAN_DATA; 4350501f56b3SMatthias Ringwald gap_advertisments_changed(); 435145c102fdSMatthias Ringwald } 435245c102fdSMatthias Ringwald 435345c102fdSMatthias Ringwald /** 435445c102fdSMatthias Ringwald * @brief Set Advertisement Parameters 435545c102fdSMatthias Ringwald * @param adv_int_min 435645c102fdSMatthias Ringwald * @param adv_int_max 435745c102fdSMatthias Ringwald * @param adv_type 435845c102fdSMatthias Ringwald * @param direct_address_type 435945c102fdSMatthias Ringwald * @param direct_address 436045c102fdSMatthias Ringwald * @param channel_map 436145c102fdSMatthias Ringwald * @param filter_policy 436245c102fdSMatthias Ringwald * 436345c102fdSMatthias Ringwald * @note internal use. use gap_advertisements_set_params from gap_le.h instead. 436445c102fdSMatthias Ringwald */ 436545c102fdSMatthias Ringwald void hci_le_advertisements_set_params(uint16_t adv_int_min, uint16_t adv_int_max, uint8_t adv_type, 4366b95a5a35SMatthias Ringwald uint8_t direct_address_typ, bd_addr_t direct_address, 436745c102fdSMatthias Ringwald uint8_t channel_map, uint8_t filter_policy) { 436845c102fdSMatthias Ringwald 436945c102fdSMatthias Ringwald hci_stack->le_advertisements_interval_min = adv_int_min; 437045c102fdSMatthias Ringwald hci_stack->le_advertisements_interval_max = adv_int_max; 437145c102fdSMatthias Ringwald hci_stack->le_advertisements_type = adv_type; 437245c102fdSMatthias Ringwald hci_stack->le_advertisements_direct_address_type = direct_address_typ; 437345c102fdSMatthias Ringwald hci_stack->le_advertisements_channel_map = channel_map; 437445c102fdSMatthias Ringwald hci_stack->le_advertisements_filter_policy = filter_policy; 437545c102fdSMatthias Ringwald memcpy(hci_stack->le_advertisements_direct_address, direct_address, 6); 437645c102fdSMatthias Ringwald 437745c102fdSMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_SET_PARAMS; 4378501f56b3SMatthias Ringwald gap_advertisments_changed(); 437945c102fdSMatthias Ringwald } 438045c102fdSMatthias Ringwald 438145c102fdSMatthias Ringwald /** 438245c102fdSMatthias Ringwald * @brief Enable/Disable Advertisements 438345c102fdSMatthias Ringwald * @param enabled 438445c102fdSMatthias Ringwald */ 438545c102fdSMatthias Ringwald void gap_advertisements_enable(int enabled){ 438645c102fdSMatthias Ringwald hci_stack->le_advertisements_enabled = enabled; 438745c102fdSMatthias Ringwald if (enabled && !hci_stack->le_advertisements_active){ 438845c102fdSMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_ENABLE; 438945c102fdSMatthias Ringwald } 439045c102fdSMatthias Ringwald if (!enabled && hci_stack->le_advertisements_active){ 439145c102fdSMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_DISABLE; 439245c102fdSMatthias Ringwald } 4393cfc59f1bSMatthias Ringwald hci_run(); 439445c102fdSMatthias Ringwald } 439545c102fdSMatthias Ringwald 439635454696SMatthias Ringwald #endif 439706e5cf96SMatthias Ringwald 439806e5cf96SMatthias Ringwald void hci_le_set_own_address_type(uint8_t own_address_type){ 439906e5cf96SMatthias Ringwald log_info("hci_le_set_own_address_type: old %u, new %u", hci_stack->le_own_addr_type, own_address_type); 440006e5cf96SMatthias Ringwald if (own_address_type == hci_stack->le_own_addr_type) return; 440106e5cf96SMatthias Ringwald hci_stack->le_own_addr_type = own_address_type; 440206e5cf96SMatthias Ringwald 440364068776SMatthias Ringwald #ifdef ENABLE_LE_PERIPHERAL 440406e5cf96SMatthias Ringwald // update advertisement parameters, too 440506e5cf96SMatthias Ringwald hci_stack->le_advertisements_todo |= LE_ADVERTISEMENT_TASKS_SET_PARAMS; 440606e5cf96SMatthias Ringwald gap_advertisments_changed(); 440764068776SMatthias Ringwald #endif 440864068776SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 440906e5cf96SMatthias Ringwald // note: we don't update scan parameters or modify ongoing connection attempts 441064068776SMatthias Ringwald #endif 441106e5cf96SMatthias Ringwald } 441206e5cf96SMatthias Ringwald 4413d70217a2SMatthias Ringwald #endif 441445c102fdSMatthias Ringwald 4415616edd56SMatthias Ringwald uint8_t gap_disconnect(hci_con_handle_t handle){ 44165917a5c5S[email protected] hci_connection_t * conn = hci_connection_for_handle(handle); 44175917a5c5S[email protected] if (!conn){ 44187851196eSmatthias.ringwald hci_emit_disconnection_complete(handle, 0); 4419616edd56SMatthias Ringwald return 0; 44205917a5c5S[email protected] } 44217fd7aa6fSMatthias Ringwald // ignore if already disconnected 44227fd7aa6fSMatthias Ringwald if (conn->state == RECEIVED_DISCONNECTION_COMPLETE){ 44237fd7aa6fSMatthias Ringwald return 0; 44247fd7aa6fSMatthias Ringwald } 44255917a5c5S[email protected] conn->state = SEND_DISCONNECT; 44265917a5c5S[email protected] hci_run(); 4427616edd56SMatthias Ringwald return 0; 44284f3229d8S[email protected] } 442904a6ef8cSmatthias.ringwald 4430a1bf5ae7SMatthias Ringwald /** 4431a1bf5ae7SMatthias Ringwald * @brief Get connection type 4432a1bf5ae7SMatthias Ringwald * @param con_handle 4433a1bf5ae7SMatthias Ringwald * @result connection_type 4434a1bf5ae7SMatthias Ringwald */ 4435a1bf5ae7SMatthias Ringwald gap_connection_type_t gap_get_connection_type(hci_con_handle_t connection_handle){ 4436a1bf5ae7SMatthias Ringwald hci_connection_t * conn = hci_connection_for_handle(connection_handle); 4437a1bf5ae7SMatthias Ringwald if (!conn) return GAP_CONNECTION_INVALID; 4438a1bf5ae7SMatthias Ringwald switch (conn->address_type){ 4439a1bf5ae7SMatthias Ringwald case BD_ADDR_TYPE_LE_PUBLIC: 4440a1bf5ae7SMatthias Ringwald case BD_ADDR_TYPE_LE_RANDOM: 4441a1bf5ae7SMatthias Ringwald return GAP_CONNECTION_LE; 4442a1bf5ae7SMatthias Ringwald case BD_ADDR_TYPE_SCO: 4443a1bf5ae7SMatthias Ringwald return GAP_CONNECTION_SCO; 4444a1bf5ae7SMatthias Ringwald case BD_ADDR_TYPE_CLASSIC: 4445a1bf5ae7SMatthias Ringwald return GAP_CONNECTION_ACL; 4446a1bf5ae7SMatthias Ringwald default: 4447a1bf5ae7SMatthias Ringwald return GAP_CONNECTION_INVALID; 4448a1bf5ae7SMatthias Ringwald } 4449a1bf5ae7SMatthias Ringwald } 4450a1bf5ae7SMatthias Ringwald 4451a9a4c409SMatthias Ringwald #ifdef ENABLE_BLE 44524f551432SMatthias Ringwald 4453d70217a2SMatthias Ringwald #ifdef ENABLE_LE_CENTRAL 4454d23838ecSMatthias Ringwald /** 4455ac9c45e0SMatthias Ringwald * @brief Auto Connection Establishment - Start Connecting to device 4456ac9c45e0SMatthias Ringwald * @param address_typ 4457ac9c45e0SMatthias Ringwald * @param address 4458ac9c45e0SMatthias Ringwald * @returns 0 if ok 4459ac9c45e0SMatthias Ringwald */ 44604f551432SMatthias Ringwald int gap_auto_connection_start(bd_addr_type_t address_type, bd_addr_t address){ 4461e83201bcSMatthias Ringwald // check capacity 4462665d90f2SMatthias Ringwald int num_entries = btstack_linked_list_count(&hci_stack->le_whitelist); 446391915b0bSMatthias Ringwald if (num_entries >= hci_stack->le_whitelist_capacity) return ERROR_CODE_MEMORY_CAPACITY_EXCEEDED; 4464e83201bcSMatthias Ringwald whitelist_entry_t * entry = btstack_memory_whitelist_entry_get(); 4465e83201bcSMatthias Ringwald if (!entry) return BTSTACK_MEMORY_ALLOC_FAILED; 4466e83201bcSMatthias Ringwald entry->address_type = address_type; 4467e83201bcSMatthias Ringwald memcpy(entry->address, address, 6); 4468e83201bcSMatthias Ringwald entry->state = LE_WHITELIST_ADD_TO_CONTROLLER; 4469665d90f2SMatthias Ringwald btstack_linked_list_add(&hci_stack->le_whitelist, (btstack_linked_item_t*) entry); 4470e83201bcSMatthias Ringwald hci_run(); 4471e83201bcSMatthias Ringwald return 0; 4472ac9c45e0SMatthias Ringwald } 4473ac9c45e0SMatthias Ringwald 447442ff5ba1SMatthias Ringwald static void hci_remove_from_whitelist(bd_addr_type_t address_type, bd_addr_t address){ 4475665d90f2SMatthias Ringwald btstack_linked_list_iterator_t it; 4476665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->le_whitelist); 4477665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 4478665d90f2SMatthias Ringwald whitelist_entry_t * entry = (whitelist_entry_t*) btstack_linked_list_iterator_next(&it); 4479e83201bcSMatthias Ringwald if (entry->address_type != address_type) continue; 4480e83201bcSMatthias Ringwald if (memcmp(entry->address, address, 6) != 0) continue; 4481e83201bcSMatthias Ringwald if (entry->state & LE_WHITELIST_ON_CONTROLLER){ 4482e83201bcSMatthias Ringwald // remove from controller if already present 4483e83201bcSMatthias Ringwald entry->state |= LE_WHITELIST_REMOVE_FROM_CONTROLLER; 4484e83201bcSMatthias Ringwald continue; 4485e83201bcSMatthias Ringwald } 4486e83201bcSMatthias Ringwald // direclty remove entry from whitelist 4487665d90f2SMatthias Ringwald btstack_linked_list_iterator_remove(&it); 4488e83201bcSMatthias Ringwald btstack_memory_whitelist_entry_free(entry); 4489e83201bcSMatthias Ringwald } 449042ff5ba1SMatthias Ringwald } 449142ff5ba1SMatthias Ringwald 449242ff5ba1SMatthias Ringwald /** 449342ff5ba1SMatthias Ringwald * @brief Auto Connection Establishment - Stop Connecting to device 449442ff5ba1SMatthias Ringwald * @param address_typ 449542ff5ba1SMatthias Ringwald * @param address 449642ff5ba1SMatthias Ringwald * @returns 0 if ok 449742ff5ba1SMatthias Ringwald */ 449842ff5ba1SMatthias Ringwald int gap_auto_connection_stop(bd_addr_type_t address_type, bd_addr_t address){ 449942ff5ba1SMatthias Ringwald hci_remove_from_whitelist(address_type, address); 4500e83201bcSMatthias Ringwald hci_run(); 4501e83201bcSMatthias Ringwald return 0; 4502ac9c45e0SMatthias Ringwald } 4503ac9c45e0SMatthias Ringwald 4504ac9c45e0SMatthias Ringwald /** 4505ac9c45e0SMatthias Ringwald * @brief Auto Connection Establishment - Stop everything 4506ac9c45e0SMatthias Ringwald * @note Convenience function to stop all active auto connection attempts 4507ac9c45e0SMatthias Ringwald */ 4508ac9c45e0SMatthias Ringwald void gap_auto_connection_stop_all(void){ 4509665d90f2SMatthias Ringwald btstack_linked_list_iterator_t it; 4510665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->le_whitelist); 4511665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 4512665d90f2SMatthias Ringwald whitelist_entry_t * entry = (whitelist_entry_t*) btstack_linked_list_iterator_next(&it); 4513e83201bcSMatthias Ringwald if (entry->state & LE_WHITELIST_ON_CONTROLLER){ 4514e83201bcSMatthias Ringwald // remove from controller if already present 4515e83201bcSMatthias Ringwald entry->state |= LE_WHITELIST_REMOVE_FROM_CONTROLLER; 4516e83201bcSMatthias Ringwald continue; 4517e83201bcSMatthias Ringwald } 451891915b0bSMatthias Ringwald // directly remove entry from whitelist 4519665d90f2SMatthias Ringwald btstack_linked_list_iterator_remove(&it); 4520e83201bcSMatthias Ringwald btstack_memory_whitelist_entry_free(entry); 4521e83201bcSMatthias Ringwald } 4522e83201bcSMatthias Ringwald hci_run(); 4523ac9c45e0SMatthias Ringwald } 4524d70217a2SMatthias Ringwald #endif 45254f551432SMatthias Ringwald #endif 45264f551432SMatthias Ringwald 452735454696SMatthias Ringwald #ifdef ENABLE_CLASSIC 4528ac9c45e0SMatthias Ringwald /** 4529ff00ed1cSMatthias Ringwald * @brief Set Extended Inquiry Response data 4530ff00ed1cSMatthias Ringwald * @param eir_data size 240 bytes, is not copied make sure memory is accessible during stack startup 4531ff00ed1cSMatthias Ringwald * @note has to be done before stack starts up 4532ff00ed1cSMatthias Ringwald */ 4533ff00ed1cSMatthias Ringwald void gap_set_extended_inquiry_response(const uint8_t * data){ 4534ff00ed1cSMatthias Ringwald hci_stack->eir_data = data; 4535ff00ed1cSMatthias Ringwald } 4536ff00ed1cSMatthias Ringwald 4537ff00ed1cSMatthias Ringwald /** 4538f5875de5SMatthias Ringwald * @brief Start GAP Classic Inquiry 4539f5875de5SMatthias Ringwald * @param duration in 1.28s units 4540f5875de5SMatthias Ringwald * @return 0 if ok 4541f5875de5SMatthias Ringwald * @events: GAP_EVENT_INQUIRY_RESULT, GAP_EVENT_INQUIRY_COMPLETE 4542f5875de5SMatthias Ringwald */ 4543f5875de5SMatthias Ringwald int gap_inquiry_start(uint8_t duration_in_1280ms_units){ 4544f5875de5SMatthias Ringwald if (hci_stack->inquiry_state != GAP_INQUIRY_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 4545f5875de5SMatthias Ringwald if (duration_in_1280ms_units < GAP_INQUIRY_DURATION_MIN || duration_in_1280ms_units > GAP_INQUIRY_DURATION_MAX){ 4546f5875de5SMatthias Ringwald return ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS; 4547f5875de5SMatthias Ringwald } 4548f5875de5SMatthias Ringwald hci_stack->inquiry_state = duration_in_1280ms_units; 4549f5875de5SMatthias Ringwald hci_run(); 4550f5875de5SMatthias Ringwald return 0; 4551f5875de5SMatthias Ringwald } 4552f5875de5SMatthias Ringwald 4553f5875de5SMatthias Ringwald /** 4554f5875de5SMatthias Ringwald * @brief Stop GAP Classic Inquiry 4555f5875de5SMatthias Ringwald * @returns 0 if ok 4556f5875de5SMatthias Ringwald */ 4557f5875de5SMatthias Ringwald int gap_inquiry_stop(void){ 4558f5875de5SMatthias Ringwald if (hci_stack->inquiry_state >= GAP_INQUIRY_DURATION_MIN || hci_stack->inquiry_state <= GAP_INQUIRY_DURATION_MAX) { 4559f5875de5SMatthias Ringwald // emit inquiry complete event, before it even started 4560f5875de5SMatthias Ringwald uint8_t event[] = { GAP_EVENT_INQUIRY_COMPLETE, 1, 0}; 4561f5875de5SMatthias Ringwald hci_emit_event(event, sizeof(event), 1); 4562f5875de5SMatthias Ringwald return 0; 4563f5875de5SMatthias Ringwald } 4564f5875de5SMatthias Ringwald if (hci_stack->inquiry_state != GAP_INQUIRY_STATE_ACTIVE) return ERROR_CODE_COMMAND_DISALLOWED; 4565f5875de5SMatthias Ringwald hci_stack->inquiry_state = GAP_INQUIRY_STATE_W2_CANCEL; 4566f5875de5SMatthias Ringwald hci_run(); 4567f5875de5SMatthias Ringwald return 0; 4568f5875de5SMatthias Ringwald } 4569f5875de5SMatthias Ringwald 4570b7f1ee76SMatthias Ringwald 4571b7f1ee76SMatthias Ringwald /** 4572b7f1ee76SMatthias Ringwald * @brief Remote Name Request 4573b7f1ee76SMatthias Ringwald * @param addr 4574b7f1ee76SMatthias Ringwald * @param page_scan_repetition_mode 4575b7f1ee76SMatthias Ringwald * @param clock_offset only used when bit 15 is set 4576b7f1ee76SMatthias Ringwald * @events: HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE 4577b7f1ee76SMatthias Ringwald */ 4578b7f1ee76SMatthias Ringwald int gap_remote_name_request(bd_addr_t addr, uint8_t page_scan_repetition_mode, uint16_t clock_offset){ 4579b7f1ee76SMatthias Ringwald if (hci_stack->remote_name_state != GAP_REMOTE_NAME_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 4580b7f1ee76SMatthias Ringwald memcpy(hci_stack->remote_name_addr, addr, 6); 4581b7f1ee76SMatthias Ringwald hci_stack->remote_name_page_scan_repetition_mode = page_scan_repetition_mode; 4582b7f1ee76SMatthias Ringwald hci_stack->remote_name_clock_offset = clock_offset; 4583b7f1ee76SMatthias Ringwald hci_stack->remote_name_state = GAP_REMOTE_NAME_STATE_W2_SEND; 4584b7f1ee76SMatthias Ringwald hci_run(); 4585b7f1ee76SMatthias Ringwald return 0; 4586b7f1ee76SMatthias Ringwald } 4587b7f1ee76SMatthias Ringwald 45880a51f88bSMatthias Ringwald static int gap_pairing_set_state_and_run(bd_addr_t addr, uint8_t state){ 45890a51f88bSMatthias Ringwald hci_stack->gap_pairing_state = state; 45900a51f88bSMatthias Ringwald memcpy(hci_stack->gap_pairing_addr, addr, 6); 45910a51f88bSMatthias Ringwald hci_run(); 45920a51f88bSMatthias Ringwald return 0; 45930a51f88bSMatthias Ringwald } 45940a51f88bSMatthias Ringwald 45950a51f88bSMatthias Ringwald /** 45960a51f88bSMatthias Ringwald * @brief Legacy Pairing Pin Code Response 45970a51f88bSMatthias Ringwald * @param addr 45980a51f88bSMatthias Ringwald * @param pin 45990a51f88bSMatthias Ringwald * @return 0 if ok 46000a51f88bSMatthias Ringwald */ 46010a51f88bSMatthias Ringwald int gap_pin_code_response(bd_addr_t addr, const char * pin){ 4602cd74063aSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 4603d504181aSMatthias Ringwald hci_stack->gap_pairing_input.gap_pairing_pin = pin; 46040a51f88bSMatthias Ringwald return gap_pairing_set_state_and_run(addr, GAP_PAIRING_STATE_SEND_PIN); 46050a51f88bSMatthias Ringwald } 46060a51f88bSMatthias Ringwald 46070a51f88bSMatthias Ringwald /** 46080a51f88bSMatthias Ringwald * @brief Abort Legacy Pairing 46090a51f88bSMatthias Ringwald * @param addr 46100a51f88bSMatthias Ringwald * @param pin 46110a51f88bSMatthias Ringwald * @return 0 if ok 46120a51f88bSMatthias Ringwald */ 46130a51f88bSMatthias Ringwald int gap_pin_code_negative(bd_addr_t addr){ 4614cd74063aSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 46150a51f88bSMatthias Ringwald return gap_pairing_set_state_and_run(addr, GAP_PAIRING_STATE_SEND_PIN_NEGATIVE); 46160a51f88bSMatthias Ringwald } 46170a51f88bSMatthias Ringwald 46180a51f88bSMatthias Ringwald /** 46190a51f88bSMatthias Ringwald * @brief SSP Passkey Response 46200a51f88bSMatthias Ringwald * @param addr 46210a51f88bSMatthias Ringwald * @param passkey 46220a51f88bSMatthias Ringwald * @return 0 if ok 46230a51f88bSMatthias Ringwald */ 46240a51f88bSMatthias Ringwald int gap_ssp_passkey_response(bd_addr_t addr, uint32_t passkey){ 4625cd74063aSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 4626d504181aSMatthias Ringwald hci_stack->gap_pairing_input.gap_pairing_passkey = passkey; 46270a51f88bSMatthias Ringwald return gap_pairing_set_state_and_run(addr, GAP_PAIRING_STATE_SEND_PASSKEY); 46280a51f88bSMatthias Ringwald } 46290a51f88bSMatthias Ringwald 46300a51f88bSMatthias Ringwald /** 46310a51f88bSMatthias Ringwald * @brief Abort SSP Passkey Entry/Pairing 46320a51f88bSMatthias Ringwald * @param addr 46330a51f88bSMatthias Ringwald * @param pin 46340a51f88bSMatthias Ringwald * @return 0 if ok 46350a51f88bSMatthias Ringwald */ 46360a51f88bSMatthias Ringwald int gap_ssp_passkey_negative(bd_addr_t addr){ 4637cd74063aSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 46380a51f88bSMatthias Ringwald return gap_pairing_set_state_and_run(addr, GAP_PAIRING_STATE_SEND_PASSKEY_NEGATIVE); 46390a51f88bSMatthias Ringwald } 46400a51f88bSMatthias Ringwald 46410a51f88bSMatthias Ringwald /** 46420a51f88bSMatthias Ringwald * @brief Accept SSP Numeric Comparison 46430a51f88bSMatthias Ringwald * @param addr 46440a51f88bSMatthias Ringwald * @param passkey 46450a51f88bSMatthias Ringwald * @return 0 if ok 46460a51f88bSMatthias Ringwald */ 46470a51f88bSMatthias Ringwald int gap_ssp_confirmation_response(bd_addr_t addr){ 4648cd74063aSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 46490a51f88bSMatthias Ringwald return gap_pairing_set_state_and_run(addr, GAP_PAIRING_STATE_SEND_CONFIRMATION); 46500a51f88bSMatthias Ringwald } 46510a51f88bSMatthias Ringwald 46520a51f88bSMatthias Ringwald /** 46530a51f88bSMatthias Ringwald * @brief Abort SSP Numeric Comparison/Pairing 46540a51f88bSMatthias Ringwald * @param addr 46550a51f88bSMatthias Ringwald * @param pin 46560a51f88bSMatthias Ringwald * @return 0 if ok 46570a51f88bSMatthias Ringwald */ 46580a51f88bSMatthias Ringwald int gap_ssp_confirmation_negative(bd_addr_t addr){ 4659cd74063aSMatthias Ringwald if (hci_stack->gap_pairing_state != GAP_PAIRING_STATE_IDLE) return ERROR_CODE_COMMAND_DISALLOWED; 46600a51f88bSMatthias Ringwald return gap_pairing_set_state_and_run(addr, GAP_PAIRING_STATE_SEND_CONFIRMATION_NEGATIVE); 46610a51f88bSMatthias Ringwald } 46620a51f88bSMatthias Ringwald 4663f5875de5SMatthias Ringwald /** 4664f6858d14SMatthias Ringwald * @brief Set inquiry mode: standard, with RSSI, with RSSI + Extended Inquiry Results. Has to be called before power on. 4665f5875de5SMatthias Ringwald * @param inquiry_mode see bluetooth_defines.h 4666f6858d14SMatthias Ringwald */ 4667f6858d14SMatthias Ringwald void hci_set_inquiry_mode(inquiry_mode_t mode){ 4668f6858d14SMatthias Ringwald hci_stack->inquiry_mode = mode; 4669f6858d14SMatthias Ringwald } 4670f6858d14SMatthias Ringwald 4671f6858d14SMatthias Ringwald /** 4672d950d659SMatthias Ringwald * @brief Configure Voice Setting for use with SCO data in HSP/HFP 4673d950d659SMatthias Ringwald */ 4674d950d659SMatthias Ringwald void hci_set_sco_voice_setting(uint16_t voice_setting){ 4675d950d659SMatthias Ringwald hci_stack->sco_voice_setting = voice_setting; 4676d950d659SMatthias Ringwald } 4677d950d659SMatthias Ringwald 4678d950d659SMatthias Ringwald /** 4679d950d659SMatthias Ringwald * @brief Get SCO Voice Setting 4680d950d659SMatthias Ringwald * @return current voice setting 4681d950d659SMatthias Ringwald */ 46820cb5b971SMatthias Ringwald uint16_t hci_get_sco_voice_setting(void){ 4683d950d659SMatthias Ringwald return hci_stack->sco_voice_setting; 4684d950d659SMatthias Ringwald } 4685d950d659SMatthias Ringwald 4686b3aad8daSMatthias Ringwald /** @brief Get SCO packet length for current SCO Voice setting 4687b3aad8daSMatthias Ringwald * @note Using SCO packets of the exact length is required for USB transfer 4688b3aad8daSMatthias Ringwald * @return Length of SCO packets in bytes (not audio frames) 4689b3aad8daSMatthias Ringwald */ 4690b3aad8daSMatthias Ringwald int hci_get_sco_packet_length(void){ 4691a3069afeSMatthias Ringwald int sco_packet_length = 0; 4692a3069afeSMatthias Ringwald 4693a3069afeSMatthias Ringwald #ifdef ENABLE_CLASSIC 4694a3069afeSMatthias Ringwald #ifdef ENABLE_SCO_OVER_HCI 4695b3aad8daSMatthias Ringwald // see Core Spec for H2 USB Transfer. 4696cf119f3bSMatthias Ringwald 4697cf119f3bSMatthias Ringwald // CVSD requires twice as much bytes 4698cf119f3bSMatthias Ringwald int multiplier = hci_stack->sco_voice_setting & 0x0020 ? 2 : 1; 4699cf119f3bSMatthias Ringwald 4700cf119f3bSMatthias Ringwald // 3 byte SCO header + 24 bytes per connection 4701a3069afeSMatthias Ringwald sco_packet_length = 3 + 24 * hci_number_sco_connections() * multiplier; 4702a3069afeSMatthias Ringwald #endif 4703a3069afeSMatthias Ringwald #endif 4704a3069afeSMatthias Ringwald return sco_packet_length; 4705b3aad8daSMatthias Ringwald } 4706b3aad8daSMatthias Ringwald 4707c4c88f1bSJakob Krantz /** 4708c4c88f1bSJakob Krantz * @brief Sets the master/slave policy 4709c4c88f1bSJakob Krantz * @param policy (0: attempt to become master, 1: let connecting device decide) 4710c4c88f1bSJakob Krantz */ 4711c4c88f1bSJakob Krantz void hci_set_master_slave_policy(uint8_t policy){ 4712c4c88f1bSJakob Krantz hci_stack->master_slave_policy = policy; 4713c4c88f1bSJakob Krantz } 4714c4c88f1bSJakob Krantz 4715c4c88f1bSJakob Krantz #endif 4716ec111c8bSMatthias Ringwald 4717ec111c8bSMatthias Ringwald HCI_STATE hci_get_state(void){ 4718ec111c8bSMatthias Ringwald return hci_stack->state; 4719ec111c8bSMatthias Ringwald } 4720ec111c8bSMatthias Ringwald 4721ec111c8bSMatthias Ringwald 4722d950d659SMatthias Ringwald /** 4723d23838ecSMatthias Ringwald * @brief Set callback for Bluetooth Hardware Error 4724d23838ecSMatthias Ringwald */ 4725c2e1fa60SMatthias Ringwald void hci_set_hardware_error_callback(void (*fn)(uint8_t error)){ 4726d23838ecSMatthias Ringwald hci_stack->hardware_error_callback = fn; 4727d23838ecSMatthias Ringwald } 4728d23838ecSMatthias Ringwald 472971de195eSMatthias Ringwald void hci_disconnect_all(void){ 4730665d90f2SMatthias Ringwald btstack_linked_list_iterator_t it; 4731665d90f2SMatthias Ringwald btstack_linked_list_iterator_init(&it, &hci_stack->connections); 4732665d90f2SMatthias Ringwald while (btstack_linked_list_iterator_has_next(&it)){ 4733665d90f2SMatthias Ringwald hci_connection_t * con = (hci_connection_t*) btstack_linked_list_iterator_next(&it); 473404a6ef8cSmatthias.ringwald if (con->state == SENT_DISCONNECT) continue; 473504a6ef8cSmatthias.ringwald con->state = SEND_DISCONNECT; 473604a6ef8cSmatthias.ringwald } 4737d31fba26S[email protected] hci_run(); 473804a6ef8cSmatthias.ringwald } 473933373e40SMatthias Ringwald 474033373e40SMatthias Ringwald uint16_t hci_get_manufacturer(void){ 474133373e40SMatthias Ringwald return hci_stack->manufacturer; 474233373e40SMatthias Ringwald } 47439c6e867eSMatthias Ringwald 47443e329ddfSandryblack #ifdef ENABLE_BLE 47453e329ddfSandryblack 47469c6e867eSMatthias Ringwald static sm_connection_t * sm_get_connection_for_handle(hci_con_handle_t con_handle){ 47479c6e867eSMatthias Ringwald hci_connection_t * hci_con = hci_connection_for_handle(con_handle); 47489c6e867eSMatthias Ringwald if (!hci_con) return NULL; 47499c6e867eSMatthias Ringwald return &hci_con->sm_connection; 47509c6e867eSMatthias Ringwald } 47519c6e867eSMatthias Ringwald 47529c6e867eSMatthias Ringwald // extracted from sm.c to allow enabling of l2cap le data channels without adding sm.c to the build 47539c6e867eSMatthias Ringwald // without sm.c default values from create_connection_for_bd_addr_and_type() resulg in non-encrypted, not-authenticated 47549c6e867eSMatthias Ringwald 47559c6e867eSMatthias Ringwald int gap_encryption_key_size(hci_con_handle_t con_handle){ 47569c6e867eSMatthias Ringwald sm_connection_t * sm_conn = sm_get_connection_for_handle(con_handle); 47579c6e867eSMatthias Ringwald if (!sm_conn) return 0; // wrong connection 47589c6e867eSMatthias Ringwald if (!sm_conn->sm_connection_encrypted) return 0; 47599c6e867eSMatthias Ringwald return sm_conn->sm_actual_encryption_key_size; 47609c6e867eSMatthias Ringwald } 47619c6e867eSMatthias Ringwald 47629c6e867eSMatthias Ringwald int gap_authenticated(hci_con_handle_t con_handle){ 47639c6e867eSMatthias Ringwald sm_connection_t * sm_conn = sm_get_connection_for_handle(con_handle); 47649c6e867eSMatthias Ringwald if (!sm_conn) return 0; // wrong connection 47659c6e867eSMatthias Ringwald if (!sm_conn->sm_connection_encrypted) return 0; // unencrypted connection cannot be authenticated 47669c6e867eSMatthias Ringwald return sm_conn->sm_connection_authenticated; 47679c6e867eSMatthias Ringwald } 47689c6e867eSMatthias Ringwald 47699c6e867eSMatthias Ringwald authorization_state_t gap_authorization_state(hci_con_handle_t con_handle){ 47709c6e867eSMatthias Ringwald sm_connection_t * sm_conn = sm_get_connection_for_handle(con_handle); 47719c6e867eSMatthias Ringwald if (!sm_conn) return AUTHORIZATION_UNKNOWN; // wrong connection 47729c6e867eSMatthias Ringwald if (!sm_conn->sm_connection_encrypted) return AUTHORIZATION_UNKNOWN; // unencrypted connection cannot be authorized 47739c6e867eSMatthias Ringwald if (!sm_conn->sm_connection_authenticated) return AUTHORIZATION_UNKNOWN; // unauthenticatd connection cannot be authorized 47749c6e867eSMatthias Ringwald return sm_conn->sm_connection_authorization_state; 47759c6e867eSMatthias Ringwald } 47769c6e867eSMatthias Ringwald #endif 4777