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();
}
