int btstack_main(int argc, const char * argv[]){
// init L2CAP
l2cap_init();
l2cap_register_packet_handler(packet_handler);
// init RFCOMM
rfcomm_init();
rfcomm_register_packet_handler(packet_handler);
rfcomm_register_service_with_initial_credits_internal(NULL, rfcomm_channel_nr, 0xffff, 1); // reserved channel, mtu limited by l2cap, 1 credit
// init SDP, create record for SPP and register with SDP
sdp_init();
memset(spp_service_buffer, 0, sizeof(spp_service_buffer));
service_record_item_t * service_record_item = (service_record_item_t *) spp_service_buffer;
sdp_create_spp_service( (uint8_t*) &service_record_item->service_record, 1, "SPP Counter");
printf("SDP service buffer size: %u\n\r", (uint16_t) (sizeof(service_record_item_t) + de_get_len((uint8_t*) &service_record_item->service_record)));
sdp_register_service_internal(NULL, service_record_item);
// set one-shot timer
heartbeat.process = &heartbeat_handler;
run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
run_loop_add_timer(&heartbeat);
puts("SPP FlowControl Demo: simulates processing on received data...\n\r");
gap_set_local_name("BTstack SPP Flow Control");
hci_discoverable_control(1);
// turn on!
hci_power_control(HCI_POWER_ON);
return 0;
}
static int btstack_command_handler(connection_t *connection, uint8_t *packet, uint16_t size){
bd_addr_t addr;
uint16_t cid;
uint16_t psm;
uint16_t service_channel;
uint16_t mtu;
uint8_t reason;
uint8_t rfcomm_channel;
uint8_t rfcomm_credits;
uint32_t service_record_handle;
client_state_t *client;
uint16_t serviceSearchPatternLen;
uint16_t attributeIDListLen;
// BTstack internal commands - 16 Bit OpCode, 8 Bit ParamLen, Params...
switch (READ_CMD_OCF(packet)){
case BTSTACK_GET_STATE:
log_info("BTSTACK_GET_STATE");
hci_emit_state();
break;
case BTSTACK_SET_POWER_MODE:
log_info("BTSTACK_SET_POWER_MODE %u", packet[3]);
// track client power requests
client = client_for_connection(connection);
if (!client) break;
client->power_mode = packet[3];
// handle merged state
if (!clients_require_power_on()){
start_power_off_timer();
} else if (!power_management_sleep) {
stop_power_off_timer();
hci_power_control(HCI_POWER_ON);
}
break;
case BTSTACK_GET_VERSION:
log_info("BTSTACK_GET_VERSION");
hci_emit_btstack_version();
break;
#ifdef USE_BLUETOOL
case BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED:
log_info("BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED %u", packet[3]);
iphone_system_bt_set_enabled(packet[3]);
hci_emit_system_bluetooth_enabled(iphone_system_bt_enabled());
break;
case BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED:
log_info("BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED");
hci_emit_system_bluetooth_enabled(iphone_system_bt_enabled());
break;
#else
case BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED:
case BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED:
hci_emit_system_bluetooth_enabled(0);
break;
#endif
case BTSTACK_SET_DISCOVERABLE:
log_info("BTSTACK_SET_DISCOVERABLE discoverable %u)", packet[3]);
// track client discoverable requests
client = client_for_connection(connection);
if (!client) break;
client->discoverable = packet[3];
// merge state
hci_discoverable_control(clients_require_discoverable());
break;
case BTSTACK_SET_BLUETOOTH_ENABLED:
log_info("BTSTACK_SET_BLUETOOTH_ENABLED: %u\n", packet[3]);
if (packet[3]) {
// global enable
global_enable = 1;
hci_power_control(HCI_POWER_ON);
} else {
global_enable = 0;
clients_clear_power_request();
hci_power_control(HCI_POWER_OFF);
}
break;
case L2CAP_CREATE_CHANNEL_MTU:
bt_flip_addr(addr, &packet[3]);
psm = READ_BT_16(packet, 9);
mtu = READ_BT_16(packet, 11);
l2cap_create_channel_internal( connection, NULL, addr, psm, mtu);
break;
case L2CAP_CREATE_CHANNEL:
bt_flip_addr(addr, &packet[3]);
psm = READ_BT_16(packet, 9);
l2cap_create_channel_internal( connection, NULL, addr, psm, 150); // until r865
break;
case L2CAP_DISCONNECT:
cid = READ_BT_16(packet, 3);
reason = packet[5];
l2cap_disconnect_internal(cid, reason);
break;
case L2CAP_REGISTER_SERVICE:
psm = READ_BT_16(packet, 3);
mtu = READ_BT_16(packet, 5);
l2cap_register_service_internal(connection, NULL, psm, mtu);
break;
case L2CAP_UNREGISTER_SERVICE:
psm = READ_BT_16(packet, 3);
l2cap_unregister_service_internal(connection, psm);
break;
case L2CAP_ACCEPT_CONNECTION:
cid = READ_BT_16(packet, 3);
l2cap_accept_connection_internal(cid);
break;
case L2CAP_DECLINE_CONNECTION:
cid = READ_BT_16(packet, 3);
reason = packet[7];
l2cap_decline_connection_internal(cid, reason);
break;
case RFCOMM_CREATE_CHANNEL:
bt_flip_addr(addr, &packet[3]);
rfcomm_channel = packet[9];
rfcomm_create_channel_internal( connection, &addr, rfcomm_channel );
break;
case RFCOMM_CREATE_CHANNEL_WITH_CREDITS:
bt_flip_addr(addr, &packet[3]);
rfcomm_channel = packet[9];
rfcomm_credits = packet[10];
rfcomm_create_channel_with_initial_credits_internal( connection, &addr, rfcomm_channel, rfcomm_credits );
break;
case RFCOMM_DISCONNECT:
cid = READ_BT_16(packet, 3);
reason = packet[5];
rfcomm_disconnect_internal(cid);
break;
case RFCOMM_REGISTER_SERVICE:
rfcomm_channel = packet[3];
mtu = READ_BT_16(packet, 4);
rfcomm_register_service_internal(connection, rfcomm_channel, mtu);
break;
case RFCOMM_REGISTER_SERVICE_WITH_CREDITS:
rfcomm_channel = packet[3];
mtu = READ_BT_16(packet, 4);
rfcomm_credits = packet[6];
rfcomm_register_service_with_initial_credits_internal(connection, rfcomm_channel, mtu, rfcomm_credits);
break;
case RFCOMM_UNREGISTER_SERVICE:
service_channel = READ_BT_16(packet, 3);
rfcomm_unregister_service_internal(service_channel);
break;
case RFCOMM_ACCEPT_CONNECTION:
cid = READ_BT_16(packet, 3);
rfcomm_accept_connection_internal(cid);
break;
case RFCOMM_DECLINE_CONNECTION:
cid = READ_BT_16(packet, 3);
reason = packet[7];
rfcomm_decline_connection_internal(cid);
break;
case RFCOMM_GRANT_CREDITS:
cid = READ_BT_16(packet, 3);
rfcomm_credits = packet[5];
rfcomm_grant_credits(cid, rfcomm_credits);
break;
case RFCOMM_PERSISTENT_CHANNEL: {
if (remote_device_db) {
// enforce \0
packet[3+248] = 0;
rfcomm_channel = remote_device_db->persistent_rfcomm_channel((char*)&packet[3]);
} else {
// NOTE: hack for non-iOS platforms
rfcomm_channel = rfcomm_channel_generator++;
}
log_info("RFCOMM_EVENT_PERSISTENT_CHANNEL %u", rfcomm_channel);
uint8_t event[4];
event[0] = RFCOMM_EVENT_PERSISTENT_CHANNEL;
event[1] = sizeof(event) - 2;
event[2] = 0;
event[3] = rfcomm_channel;
hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event));
socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, (uint8_t *) event, sizeof(event));
break;
}
case SDP_REGISTER_SERVICE_RECORD:
log_info("SDP_REGISTER_SERVICE_RECORD size %u\n", size);
sdp_register_service_internal(connection, &packet[3]);
break;
case SDP_UNREGISTER_SERVICE_RECORD:
service_record_handle = READ_BT_32(packet, 3);
log_info("SDP_UNREGISTER_SERVICE_RECORD handle 0x%x ", service_record_handle);
sdp_unregister_service_internal(connection, service_record_handle);
break;
case SDP_CLIENT_QUERY_RFCOMM_SERVICES:
bt_flip_addr(addr, &packet[3]);
serviceSearchPatternLen = de_get_len(&packet[9]);
memcpy(serviceSearchPattern, &packet[9], serviceSearchPatternLen);
sdp_query_rfcomm_register_callback(handle_sdp_rfcomm_service_result, connection);
sdp_query_rfcomm_channel_and_name_for_search_pattern(addr, serviceSearchPattern);
break;
case SDP_CLIENT_QUERY_SERVICES:
bt_flip_addr(addr, &packet[3]);
sdp_parser_init();
sdp_parser_register_callback(handle_sdp_client_query_result);
serviceSearchPatternLen = de_get_len(&packet[9]);
memcpy(serviceSearchPattern, &packet[9], serviceSearchPatternLen);
attributeIDListLen = de_get_len(&packet[9+serviceSearchPatternLen]);
memcpy(attributeIDList, &packet[9+serviceSearchPatternLen], attributeIDListLen);
sdp_client_query(addr, (uint8_t*)&serviceSearchPattern[0], (uint8_t*)&attributeIDList[0]);
// sdp_general_query_for_uuid(addr, 0x1002);
break;
default:
log_error("Error: command %u not implemented\n:", READ_CMD_OCF(packet));
break;
}
// verbose log info on command before dumped command unknown to PacketLogger or Wireshark
hci_dump_packet( HCI_COMMAND_DATA_PACKET, 1, packet, size);
return 0;
}
// main
int main(void)
{
// stop watchdog timer
WDTCTL = WDTPW + WDTHOLD;
//Initialize clock and peripherals
halBoardInit();
halBoardStartXT1();
halBoardSetSystemClock(SYSCLK_16MHZ);
// init debug UART
halUsbInit();
// init LEDs
LED_PORT_OUT |= LED_1 | LED_2;
LED_PORT_DIR |= LED_1 | LED_2;
/// GET STARTED with BTstack ///
btstack_memory_init();
run_loop_init(RUN_LOOP_EMBEDDED);
// init HCI
hci_transport_t * transport = hci_transport_h4_dma_instance();
bt_control_t * control = bt_control_cc256x_instance();
hci_uart_config_t * config = hci_uart_config_cc256x_instance();
remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
hci_init(transport, config, control, remote_db);
// use eHCILL
bt_control_cc256x_enable_ehcill(1);
// init L2CAP
l2cap_init();
l2cap_register_packet_handler(packet_handler);
// init RFCOMM
rfcomm_init();
rfcomm_register_packet_handler(packet_handler);
rfcomm_register_service_with_initial_credits_internal(NULL, rfcomm_channel_nr, 100, 1); // reserved channel, mtu=100, 1 credit
// init SDP, create record for SPP and register with SDP
sdp_init();
memset(spp_service_buffer, 0, sizeof(spp_service_buffer));
service_record_item_t * service_record_item = (service_record_item_t *) spp_service_buffer;
sdp_create_spp_service( (uint8_t*) &service_record_item->service_record, 1, "SPP Counter");
printf("SDP service buffer size: %u\n\r", (uint16_t) (sizeof(service_record_item_t) + de_get_len((uint8_t*) &service_record_item->service_record)));
sdp_register_service_internal(NULL, service_record_item);
// set one-shot timer
timer_source_t heartbeat;
heartbeat.process = &heartbeat_handler;
run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
run_loop_add_timer(&heartbeat);
puts("SPP FlowControl Demo: simulates processing on received data...\n\r");
// ready - enable irq used in h4 task
__enable_interrupt();
// turn on!
hci_power_control(HCI_POWER_ON);
// go!
run_loop_execute();
// happy compiler!
return 0;
}
