1 #include <stdint.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <string.h> 5 6 #include "hci.h" 7 #include "gap.h" 8 #include "hci_dump.h" 9 #include "l2cap.h" 10 11 #include "ble/att_db.h" 12 #include "ble/gatt_client.h" 13 #include "ble/sm.h" 14 15 #include "btstack_debug.h" 16 17 static btstack_packet_handler_t att_packet_handler; 18 static void (*registered_hci_event_handler) (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) = NULL; 19 20 static btstack_linked_list_t connections; 21 static const uint16_t max_mtu = 23; 22 static uint8_t l2cap_stack_buffer[HCI_INCOMING_PRE_BUFFER_SIZE + 8 + max_mtu]; // pre buffer + HCI Header + L2CAP header 23 static uint16_t gatt_client_handle = 0x40; 24 static hci_connection_t hci_connection; 25 26 uint16_t get_gatt_client_handle(void){ 27 return gatt_client_handle; 28 } 29 30 void mock_simulate_command_complete(const hci_cmd_t *cmd){ 31 uint8_t packet[] = {HCI_EVENT_COMMAND_COMPLETE, 4, 1, (uint8_t) (cmd->opcode & 0xff), (uint8_t) (cmd->opcode >> 8), 0}; 32 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 33 } 34 35 void mock_simulate_hci_state_working(void){ 36 uint8_t packet[3] = {BTSTACK_EVENT_STATE, 0, HCI_STATE_WORKING}; 37 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, 3); 38 } 39 40 void mock_simulate_connected(void){ 41 uint8_t packet[] = {0x3E, 0x13, 0x01, 0x00, 0x40, 0x00, 0x00, 0x00, 0x9B, 0x77, 0xD1, 0xF7, 0xB1, 0x34, 0x50, 0x00, 0x00, 0x00, 0xD0, 0x07, 0x05}; 42 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 43 } 44 45 void mock_simulate_scan_response(void){ 46 uint8_t packet[] = {0xE2, 0x13, 0xE2, 0x01, 0x34, 0xB1, 0xF7, 0xD1, 0x77, 0x9B, 0xCC, 0x09, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}; 47 registered_hci_event_handler(HCI_EVENT_PACKET, 0, (uint8_t *)&packet, sizeof(packet)); 48 } 49 50 void gap_start_scan(void){ 51 } 52 void gap_stop_scan(void){ 53 } 54 uint8_t gap_connect(const bd_addr_t addr, bd_addr_type_t addr_type){ 55 return 0; 56 } 57 void gap_set_scan_parameters(uint8_t scan_type, uint16_t scan_interval, uint16_t scan_window){ 58 } 59 60 int gap_reconnect_security_setup_active(hci_con_handle_t con_handle){ 61 UNUSED(con_handle); 62 return 0; 63 } 64 65 static void att_init_connection(att_connection_t * att_connection){ 66 att_connection->mtu = 23; 67 att_connection->max_mtu = 23; 68 att_connection->encryption_key_size = 0; 69 att_connection->authenticated = 0; 70 att_connection->authorized = 0; 71 } 72 73 bool hci_can_send_acl_le_packet_now(void){ 74 return true; 75 } 76 77 bool hci_can_send_command_packet_now(void){ 78 return true; 79 } 80 81 HCI_STATE hci_get_state(void){ 82 return HCI_STATE_WORKING; 83 } 84 85 uint8_t hci_send_cmd(const hci_cmd_t *cmd, ...){ 86 btstack_assert(false); 87 return ERROR_CODE_SUCCESS; 88 } 89 90 void hci_halting_defer(void){ 91 } 92 93 bool l2cap_can_send_connectionless_packet_now(void){ 94 return 1; 95 } 96 97 uint8_t *l2cap_get_outgoing_buffer(void){ 98 // printf("l2cap_get_outgoing_buffer\n"); 99 return (uint8_t *)&l2cap_stack_buffer; // 8 bytes 100 } 101 102 uint16_t l2cap_max_mtu(void){ 103 // printf("l2cap_max_mtu\n"); 104 return max_mtu; 105 } 106 107 uint16_t l2cap_max_le_mtu(void){ 108 // printf("l2cap_max_mtu\n"); 109 return max_mtu; 110 } 111 112 void l2cap_init(void){} 113 114 void l2cap_register_fixed_channel(btstack_packet_handler_t packet_handler, uint16_t channel_id) { 115 att_packet_handler = packet_handler; 116 } 117 118 void hci_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 119 registered_hci_event_handler = callback_handler->callback; 120 } 121 122 bool l2cap_reserve_packet_buffer(void){ 123 return true; 124 } 125 126 void l2cap_release_packet_buffer(void){ 127 } 128 129 static uint8_t l2cap_can_send_fixed_channel_packet_now_status = 1; 130 131 void l2cap_can_send_fixed_channel_packet_now_set_status(uint8_t status){ 132 l2cap_can_send_fixed_channel_packet_now_status = status; 133 } 134 135 bool l2cap_can_send_fixed_channel_packet_now(uint16_t handle, uint16_t channel_id){ 136 return l2cap_can_send_fixed_channel_packet_now_status; 137 } 138 139 void l2cap_request_can_send_fix_channel_now_event(uint16_t handle, uint16_t channel_id){ 140 uint8_t event[] = { L2CAP_EVENT_CAN_SEND_NOW, 2, 1, 0}; 141 att_packet_handler(HCI_EVENT_PACKET, 0, (uint8_t*)event, sizeof(event)); 142 } 143 144 uint8_t l2cap_send_prepared_connectionless(uint16_t handle, uint16_t cid, uint16_t len){ 145 att_connection_t att_connection; 146 att_init_connection(&att_connection); 147 uint8_t response[max_mtu]; 148 uint16_t response_len = att_handle_request(&att_connection, l2cap_get_outgoing_buffer(), len, &response[0]); 149 if (response_len){ 150 att_packet_handler(ATT_DATA_PACKET, gatt_client_handle, &response[0], response_len); 151 } 152 return ERROR_CODE_SUCCESS; 153 } 154 155 void sm_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 156 } 157 158 int sm_cmac_ready(void){ 159 return 1; 160 } 161 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)){ 162 //sm_notify_client(SM_EVENT_IDENTITY_RESOLVING_SUCCEEDED, sm_central_device_addr_type, sm_central_device_address, 0, sm_central_device_matched); 163 } 164 int sm_le_device_index(uint16_t handle ){ 165 return -1; 166 } 167 168 irk_lookup_state_t sm_identity_resolving_state(hci_con_handle_t con_handle){ 169 return IRK_LOOKUP_SUCCEEDED; 170 } 171 172 void sm_request_pairing(hci_con_handle_t con_handle){ 173 } 174 175 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){ 176 } 177 178 // Set callback that will be executed when timer expires. 179 void btstack_run_loop_set_timer_handler(btstack_timer_source_t *ts, void (*process)(btstack_timer_source_t *_ts)){ 180 } 181 182 // Add/Remove timer source. 183 void btstack_run_loop_add_timer(btstack_timer_source_t *timer){ 184 } 185 186 int btstack_run_loop_remove_timer(btstack_timer_source_t *timer){ 187 return 1; 188 } 189 190 void * btstack_run_loop_get_timer_context(btstack_timer_source_t *ts){ 191 return ts->context; 192 } 193 194 // todo: 195 hci_connection_t * hci_connection_for_bd_addr_and_type(const bd_addr_t addr, bd_addr_type_t addr_type){ 196 printf("hci_connection_for_bd_addr_and_type not implemented in mock backend\n"); 197 return NULL; 198 } 199 hci_connection_t * hci_connection_for_handle(hci_con_handle_t con_handle){ 200 if (con_handle != 0) return NULL; 201 return &hci_connection; 202 } 203 void hci_connections_get_iterator(btstack_linked_list_iterator_t *it){ 204 // printf("hci_connections_get_iterator not implemented in mock backend\n"); 205 btstack_linked_list_iterator_init(it, &connections); 206 } 207 208 // int hci_send_cmd(const hci_cmd_t *cmd, ...){ 209 // // printf("hci_send_cmd opcode 0x%02x\n", cmd->opcode); 210 // return 0; 211 // } 212 213 // int hci_can_send_packet_now_using_packet_buffer(uint8_t packet_type){ 214 // return 1; 215 // } 216 217 // void hci_disconnect_security_block(hci_con_handle_t con_handle){ 218 // printf("hci_disconnect_security_block \n"); 219 // } 220 221 // void hci_dump_log(const char * format, ...){ 222 // printf("hci_disconnect_security_block \n"); 223 // } 224 225 void l2cap_run(void){ 226 } 227 228 void l2cap_register_packet_handler(void (*handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size)){ 229 } 230 231 int gap_authenticated(hci_con_handle_t con_handle){ 232 return 0; 233 } 234 authorization_state_t gap_authorization_state(hci_con_handle_t con_handle){ 235 return AUTHORIZATION_UNKNOWN; 236 } 237 int gap_encryption_key_size(hci_con_handle_t con_handle){ 238 return 0; 239 } 240 int gap_secure_connection(hci_con_handle_t con_handle){ 241 return 0; 242 } 243 gap_connection_type_t gap_get_connection_type(hci_con_handle_t connection_handle){ 244 return GAP_CONNECTION_INVALID; 245 } 246 int gap_request_connection_parameter_update(hci_con_handle_t con_handle, uint16_t conn_interval_min, 247 uint16_t conn_interval_max, uint16_t conn_latency, uint16_t supervision_timeout){ 248 return 0; 249 } 250