1 #include <stdint.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <string.h> 5 6 #include "hci.h" 7 #include "hci_dump.h" 8 #include "l2cap.h" 9 10 #include "ble/att_db.h" 11 #include "ble/gatt_client.h" 12 #include "ble/sm.h" 13 14 #include "btstack_debug.h" 15 16 static btstack_packet_handler_t att_packet_handler; 17 static void (*registered_hci_event_handler) (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) = NULL; 18 19 static btstack_linked_list_t connections; 20 static const uint16_t max_mtu = 23; 21 static uint8_t l2cap_stack_buffer[HCI_INCOMING_PRE_BUFFER_SIZE + 8 + max_mtu]; // pre buffer + HCI Header + L2CAP header 22 static uint16_t gatt_client_handle = 0x40; 23 static hci_connection_t hci_connection; 24 25 uint16_t get_gatt_client_handle(void){ 26 return gatt_client_handle; 27 } 28 29 void mock_simulate_command_complete(const hci_cmd_t *cmd){ 30 uint8_t packet[] = {HCI_EVENT_COMMAND_COMPLETE, 4, 1, (uint8_t) (cmd->opcode & 0xff), (uint8_t) (cmd->opcode >> 8), 0}; 31 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 32 } 33 34 void mock_simulate_hci_state_working(void){ 35 uint8_t packet[3] = {BTSTACK_EVENT_STATE, 0, HCI_STATE_WORKING}; 36 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, 3); 37 } 38 39 void mock_simulate_connected(void){ 40 uint8_t packet[] = {0x3E, 0x13, 0x01, 0x00, 0x40, 0x00, 0x00, 0x00, 0x9B, 0x77, 0xD1, 0xF7, 0xB1, 0x34, 0x50, 0x00, 0x00, 0x00, 0xD0, 0x07, 0x05}; 41 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 42 } 43 44 void mock_simulate_scan_response(void){ 45 uint8_t packet[] = {0xE2, 0x13, 0xE2, 0x01, 0x34, 0xB1, 0xF7, 0xD1, 0x77, 0x9B, 0xCC, 0x09, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}; 46 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 47 } 48 49 void gap_start_scan(void){ 50 } 51 void gap_stop_scan(void){ 52 } 53 uint8_t gap_connect(bd_addr_t addr, bd_addr_type_t addr_type){ 54 return 0; 55 } 56 void gap_set_scan_parameters(uint8_t scan_type, uint16_t scan_interval, uint16_t scan_window){ 57 } 58 59 int gap_reconnect_security_setup_active(hci_con_handle_t con_handle){ 60 UNUSED(con_handle); 61 return 0; 62 } 63 64 static void att_init_connection(att_connection_t * att_connection){ 65 att_connection->mtu = 23; 66 att_connection->max_mtu = 23; 67 att_connection->encryption_key_size = 0; 68 att_connection->authenticated = 0; 69 att_connection->authorized = 0; 70 } 71 72 int hci_can_send_acl_le_packet_now(void){ 73 return 1; 74 } 75 76 int hci_can_send_command_packet_now(void){ 77 return 1; 78 } 79 80 HCI_STATE hci_get_state(void){ 81 return HCI_STATE_WORKING; 82 } 83 84 int hci_send_cmd(const hci_cmd_t *cmd, ...){ 85 btstack_assert(false); 86 return 0; 87 } 88 89 void hci_halting_defer(void){ 90 } 91 92 int l2cap_can_send_connectionless_packet_now(void){ 93 return 1; 94 } 95 96 uint8_t *l2cap_get_outgoing_buffer(void){ 97 // printf("l2cap_get_outgoing_buffer\n"); 98 return (uint8_t *)&l2cap_stack_buffer; // 8 bytes 99 } 100 101 uint16_t l2cap_max_mtu(void){ 102 // printf("l2cap_max_mtu\n"); 103 return max_mtu; 104 } 105 106 uint16_t l2cap_max_le_mtu(void){ 107 // printf("l2cap_max_mtu\n"); 108 return max_mtu; 109 } 110 111 void l2cap_init(void){} 112 113 void l2cap_register_fixed_channel(btstack_packet_handler_t packet_handler, uint16_t channel_id) { 114 att_packet_handler = packet_handler; 115 } 116 117 void hci_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 118 registered_hci_event_handler = callback_handler->callback; 119 } 120 121 int l2cap_reserve_packet_buffer(void){ 122 return 1; 123 } 124 125 void l2cap_release_packet_buffer(void){ 126 } 127 128 static uint8_t l2cap_can_send_fixed_channel_packet_now_status = 1; 129 130 void l2cap_can_send_fixed_channel_packet_now_set_status(uint8_t status){ 131 l2cap_can_send_fixed_channel_packet_now_status = status; 132 } 133 134 int l2cap_can_send_fixed_channel_packet_now(uint16_t handle, uint16_t channel_id){ 135 return l2cap_can_send_fixed_channel_packet_now_status; 136 } 137 138 void l2cap_request_can_send_fix_channel_now_event(uint16_t handle, uint16_t channel_id){ 139 uint8_t event[] = { L2CAP_EVENT_CAN_SEND_NOW, 2, 1, 0}; 140 att_packet_handler(HCI_EVENT_PACKET, 0, (uint8_t*)event, sizeof(event)); 141 } 142 143 int l2cap_send_prepared_connectionless(uint16_t handle, uint16_t cid, uint16_t len){ 144 att_connection_t att_connection; 145 att_init_connection(&att_connection); 146 uint8_t response[max_mtu]; 147 uint16_t response_len = att_handle_request(&att_connection, l2cap_get_outgoing_buffer(), len, &response[0]); 148 if (response_len){ 149 att_packet_handler(ATT_DATA_PACKET, gatt_client_handle, &response[0], response_len); 150 } 151 return 0; 152 } 153 154 void sm_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 155 } 156 157 int sm_cmac_ready(void){ 158 return 1; 159 } 160 void sm_cmac_signed_write_start(const sm_key_t key, uint8_t opcode, uint16_t attribute_handle, uint16_t message_len, const uint8_t * message, uint32_t sign_counter, void (*done_callback)(uint8_t * hash)){ 161 //sm_notify_client(SM_EVENT_IDENTITY_RESOLVING_SUCCEEDED, sm_central_device_addr_type, sm_central_device_address, 0, sm_central_device_matched); 162 } 163 int sm_le_device_index(uint16_t handle ){ 164 return -1; 165 } 166 167 irk_lookup_state_t sm_identity_resolving_state(hci_con_handle_t con_handle){ 168 return IRK_LOOKUP_SUCCEEDED; 169 } 170 171 void sm_request_pairing(hci_con_handle_t con_handle){ 172 } 173 174 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){ 175 } 176 177 // Set callback that will be executed when timer expires. 178 void btstack_run_loop_set_timer_handler(btstack_timer_source_t *ts, void (*process)(btstack_timer_source_t *_ts)){ 179 } 180 181 // Add/Remove timer source. 182 void btstack_run_loop_add_timer(btstack_timer_source_t *timer){ 183 } 184 185 int btstack_run_loop_remove_timer(btstack_timer_source_t *timer){ 186 return 1; 187 } 188 189 void * btstack_run_loop_get_timer_context(btstack_timer_source_t *ts){ 190 return ts->context; 191 } 192 193 // todo: 194 hci_connection_t * hci_connection_for_bd_addr_and_type(bd_addr_t addr, bd_addr_type_t addr_type){ 195 printf("hci_connection_for_bd_addr_and_type not implemented in mock backend\n"); 196 return NULL; 197 } 198 hci_connection_t * hci_connection_for_handle(hci_con_handle_t con_handle){ 199 if (con_handle != 0) return NULL; 200 return &hci_connection; 201 } 202 void hci_connections_get_iterator(btstack_linked_list_iterator_t *it){ 203 // printf("hci_connections_get_iterator not implemented in mock backend\n"); 204 btstack_linked_list_iterator_init(it, &connections); 205 } 206 207 // int hci_send_cmd(const hci_cmd_t *cmd, ...){ 208 // // printf("hci_send_cmd opcode 0x%02x\n", cmd->opcode); 209 // return 0; 210 // } 211 212 // int hci_can_send_packet_now_using_packet_buffer(uint8_t packet_type){ 213 // return 1; 214 // } 215 216 // void hci_disconnect_security_block(hci_con_handle_t con_handle){ 217 // printf("hci_disconnect_security_block \n"); 218 // } 219 220 // void hci_dump_log(const char * format, ...){ 221 // printf("hci_disconnect_security_block \n"); 222 // } 223 224 void l2cap_run(void){ 225 } 226 227 void l2cap_register_packet_handler(void (*handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size)){ 228 } 229 230 int gap_authenticated(hci_con_handle_t con_handle){ 231 return 0; 232 } 233 authorization_state_t gap_authorization_state(hci_con_handle_t con_handle){ 234 return AUTHORIZATION_UNKNOWN; 235 } 236 int gap_encryption_key_size(hci_con_handle_t con_handle){ 237 return 0; 238 } 239 int gap_secure_connection(hci_con_handle_t con_handle){ 240 return 0; 241 } 242 gap_connection_type_t gap_get_connection_type(hci_con_handle_t connection_handle){ 243 return GAP_CONNECTION_INVALID; 244 } 245 int gap_request_connection_parameter_update(hci_con_handle_t con_handle, uint16_t conn_interval_min, 246 uint16_t conn_interval_max, uint16_t conn_latency, uint16_t supervision_timeout){ 247 return 0; 248 } 249