/* * Copyright (C) 2014 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ // ***************************************************************************** // ANT + SPP Counter demo for TI CC2567 // - it provides a SPP port and and sends a counter every second // - it also listens on ANT channel 33,1,1 // ***************************************************************************** #include #include "btstack_chipset_cc256x.h" #include "btstack.h" #include "ant_cmd.h" #define RFCOMM_SERVER_CHANNEL 1 #define HEARTBEAT_PERIOD_MS 1000 static uint8_t rfcomm_channel_nr = 1; static uint16_t rfcomm_channel_id = 0; static uint8_t spp_service_buffer[100]; static btstack_timer_source_t heartbeat; static btstack_packet_callback_registration_t hci_event_callback_registration; // ant logic static enum { ANT_IDLE, ANT_SEND_RESET, ANT_W4_RESET_COMPLETE, ANT_SEND_ASSIGN_CHANNEL, ANT_W4_ASSIGN_CHANNEL_COMPLETE, ANT_SEND_SET_CHANNEL_ID, ANT_W4_SET_CHANNEL_ID_COMPLETE, ANT_SEND_CHANNEL_OPEN, ANT_W4_CHANNEL_OPEN_COMPLETE, ANT_ACTIVE } ant_state = ANT_IDLE; static void ant_run(void){ // check if ANT/HCI command can be sent if (!hci_can_send_command_packet_now()) return; // send next command switch(ant_state){ case ANT_SEND_RESET: ant_state = ANT_W4_RESET_COMPLETE; // 1. reset printf("Send ANT Reset\n"); ant_send_cmd(&ant_reset); break; case ANT_SEND_ASSIGN_CHANNEL: ant_state = ANT_W4_ASSIGN_CHANNEL_COMPLETE; // 2. assign channel printf("Send Assign Channel\n"); ant_send_cmd(&ant_assign_channel, 0, 0x00, 0); break; case ANT_SEND_SET_CHANNEL_ID: ant_state = ANT_W4_SET_CHANNEL_ID_COMPLETE; // 3. set channel ID printf("Send Set Channel ID\n"); ant_send_cmd(&ant_channel_id, 0, 33, 1, 1); break; case ANT_SEND_CHANNEL_OPEN: ant_state = ANT_W4_CHANNEL_OPEN_COMPLETE; // 4. open channel printf("Send Channel Open\n"); ant_send_cmd(&ant_open_channel, 0); break; default: break; } } // Bluetooth logic static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ bd_addr_t event_addr; uint8_t rfcomm_channel_nr; uint16_t mtu; uint8_t event_code; // uint8_t channel; uint8_t message_id; switch (packet_type) { case HCI_EVENT_PACKET: switch (hci_event_packet_get_type(packet)) { case BTSTACK_EVENT_STATE: if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){ printf("BTstack is up and running\n"); // start ANT init ant_state = ANT_SEND_RESET; } break; case HCI_EVENT_PIN_CODE_REQUEST: // inform about pin code request printf("Pin code request - using '0000'\n\r"); reverse_bd_addr(&packet[2], event_addr); hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000"); break; case RFCOMM_EVENT_INCOMING_CONNECTION: // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16) rfcomm_event_incoming_connection_get_bd_addr(packet, event_addr); rfcomm_channel_nr = rfcomm_event_incoming_connection_get_server_channel(packet); rfcomm_channel_id = rfcomm_event_incoming_connection_get_rfcomm_cid(packet); printf("RFCOMM channel %u requested for %s\n", rfcomm_channel_nr, bd_addr_to_str(event_addr)); rfcomm_accept_connection(rfcomm_channel_id); break; case RFCOMM_EVENT_CHANNEL_OPENED: // data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16) if (rfcomm_event_channel_opened_get_status(packet)) { printf("RFCOMM channel open failed, status %u\n", rfcomm_event_channel_opened_get_status(packet)); } else { rfcomm_channel_id = rfcomm_event_channel_opened_get_rfcomm_cid(packet); mtu = rfcomm_event_channel_opened_get_max_frame_size(packet); printf("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n", rfcomm_channel_id, mtu); } break; case RFCOMM_EVENT_CHANNEL_CLOSED: rfcomm_channel_id = 0; break; case 0xff: // vendor specific -> ANT // vendor specific ant message if (packet[2] != 0x00) break; if (packet[3] != 0x05) break; event_code = packet[7]; printf("ANT Event: "); printf_hexdump(packet, size); switch(event_code){ case MESG_STARTUP_MESG_ID: ant_state = ANT_SEND_ASSIGN_CHANNEL; break; case MESG_RESPONSE_EVENT_ID: // channel = packet[8]; message_id = packet[9]; switch (message_id){ case MESG_ASSIGN_CHANNEL_ID: ant_state = ANT_SEND_SET_CHANNEL_ID; break; case MESG_CHANNEL_ID_ID: ant_state = ANT_SEND_CHANNEL_OPEN; break; default: break; } break; default: break; } break; default: break; } break; default: break; } ant_run(); } static void heartbeat_handler(struct btstack_timer_source *ts){ if (rfcomm_channel_id){ static int counter = 0; char lineBuffer[30]; sprintf(lineBuffer, "BTstack counter %04u\n\r", ++counter); puts(lineBuffer); if (rfcomm_can_send_packet_now(rfcomm_channel_id)){ int err = rfcomm_send(rfcomm_channel_id, (uint8_t*) lineBuffer, strlen(lineBuffer)); if (err) { printf("rfcomm_send -> error %d", err); } } } btstack_run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS); btstack_run_loop_add_timer(ts); } int btstack_main(int argc, const char * argv[]); int btstack_main(int argc, const char * argv[]){ // register for HCI events hci_event_callback_registration.callback = &packet_handler; hci_add_event_handler(&hci_event_callback_registration); // init L2CAP l2cap_init(); // init RFCOMM rfcomm_init(); rfcomm_register_service(packet_handler, rfcomm_channel_nr, 100); // reserved channel, mtu=100 // init SDP, create record for SPP and register with SDP sdp_init(); memset(spp_service_buffer, 0, sizeof(spp_service_buffer)); spp_create_sdp_record(spp_service_buffer, 0x10001, RFCOMM_SERVER_CHANNEL, "SPP Counter"); sdp_register_service(spp_service_buffer); printf("SDP service record size: %u\n", de_get_len(spp_service_buffer)); // set one-shot timer heartbeat.process = &heartbeat_handler; btstack_run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS); btstack_run_loop_add_timer(&heartbeat); // set local name gap_set_local_name("BlueMSP-Demo"); // make discoverable gap_discoverable_control(1); printf("Run...\n\r"); // turn on! hci_power_control(HCI_POWER_ON); return 0; }