int btstack_main(int argc, const char * argv[]){ printf("BTstack LE Peripheral starting up...\n"); // set up l2cap_le l2cap_init(); // setup le device db le_device_db_init(); // setup SM: Display only sm_init(); sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY); sm_set_authentication_requirements( SM_AUTHREQ_BONDING | SM_AUTHREQ_MITM_PROTECTION); // setup ATT server att_server_init(profile_data, att_read_callback, att_write_callback); att_write_queue_init(); att_attributes_init(); att_server_register_packet_handler(app_packet_handler); att_dump_attributes(); btstack_stdin_setup(stdin_process); gap_random_address_set_update_period(300000); gap_random_address_set_mode(GAP_RANDOM_ADDRESS_RESOLVABLE); strcpy(gap_device_name, "BTstack"); sm_set_io_capabilities(IO_CAPABILITY_NO_INPUT_NO_OUTPUT); sm_io_capabilities = "IO_CAPABILITY_NO_INPUT_NO_OUTPUT"; sm_set_authentication_requirements(0); sm_register_oob_data_callback(get_oob_data_callback); sm_set_encryption_key_size_range(sm_min_key_size, 16); sm_test_set_irk(test_irk); // set one-shot timer heartbeat.process = &heartbeat_handler; run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS); run_loop_add_timer(&heartbeat); // turn on! hci_power_control(HCI_POWER_ON); return 0; }
void setup(void){ /// GET STARTED with BTstack /// btstack_memory_init(); run_loop_init(RUN_LOOP_POSIX); // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); // init HCI #ifdef HAVE_UART_CSR hci_transport_t * transport = hci_transport_h4_instance(); hci_uart_config_t * config = &hci_uart_config; bt_control_t * control = bt_control_csr_instance(); #elif defined(HAVE_UART_CC256x) hci_transport_t * transport = hci_transport_h4_instance(); hci_uart_config_t * config = &hci_uart_config; bt_control_t * control = bt_control_cc256x_instance(); #else hci_transport_t * transport = hci_transport_usb_instance(); hci_uart_config_t * config = NULL; bt_control_t * control = NULL; #endif remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory; hci_init(transport, config, control, remote_db); // set up l2cap_le l2cap_init(); // setup central device db central_device_db_init(); // setup SM: Display only sm_init(); sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY); sm_set_authentication_requirements( SM_AUTHREQ_BONDING | SM_AUTHREQ_MITM_PROTECTION); // setup ATT server att_server_init(profile_data, att_read_callback, att_write_callback); att_write_queue_init(); att_attributes_init(); att_server_register_packet_handler(app_packet_handler); att_dump_attributes(); }
static void app_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ switch (packet_type) { case HCI_EVENT_PACKET: switch (packet[0]) { case BTSTACK_EVENT_STATE: // bt stack activated, get started if (packet[2] == HCI_STATE_WORKING) { printf("SM Init completed\n"); todos = SET_ADVERTISEMENT_PARAMS | SET_ADVERTISEMENT_DATA | SET_SCAN_RESPONSE_DATA | ENABLE_ADVERTISEMENTS; update_advertisements(); gap_run(); } break; case HCI_EVENT_LE_META: switch (packet[2]) { case HCI_SUBEVENT_LE_CONNECTION_COMPLETE: advertisements_enabled = 0; handle = READ_BT_16(packet, 4); printf("Connection handle 0x%04x\n", handle); // request connection parameter update - test parameters // l2cap_le_request_connection_parameter_update(READ_BT_16(packet, 4), 20, 1000, 100, 100); break; default: break; } break; case HCI_EVENT_DISCONNECTION_COMPLETE: if (!advertisements_enabled == 0 && gap_discoverable){ todos = ENABLE_ADVERTISEMENTS; } att_attributes_init(); att_write_queue_init(); break; case SM_PASSKEY_INPUT_NUMBER: { // display number sm_event_t * event = (sm_event_t *) packet; memcpy(master_address, event->address, 6); master_addr_type = event->addr_type; printf("\nGAP Bonding %s (%u): Enter 6 digit passkey: '", bd_addr_to_str(master_address), master_addr_type); fflush(stdout); ui_passkey = 0; ui_digits_for_passkey = 6; break; } case SM_PASSKEY_DISPLAY_NUMBER: { // display number sm_event_t * event = (sm_event_t *) packet; printf("\nGAP Bonding %s (%u): Display Passkey '%06u\n", bd_addr_to_str(master_address), master_addr_type, event->passkey); break; } case SM_PASSKEY_DISPLAY_CANCEL: printf("\nGAP Bonding %s (%u): Display cancel\n", bd_addr_to_str(master_address), master_addr_type); break; case SM_AUTHORIZATION_REQUEST: { // auto-authorize connection if requested sm_event_t * event = (sm_event_t *) packet; sm_authorization_grant(event->addr_type, event->address); break; } case ATT_HANDLE_VALUE_INDICATION_COMPLETE: printf("ATT_HANDLE_VALUE_INDICATION_COMPLETE status %u\n", packet[2]); break; default: break; } } gap_run(); }