diff --git a/example/Makefile.inc b/example/Makefile.inc index a9438c34b..00363153c 100644 --- a/example/Makefile.inc +++ b/example/Makefile.inc @@ -175,6 +175,9 @@ default_target: all python ${BTSTACK_ROOT}/tool/compile_gatt.py $< $@ # examples +ant_test: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ant_test.c + ${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@ + sdp_rfcomm_query: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${PAN_OBJ} ${SDP_CLIENT} sdp_rfcomm_query.c ${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@ diff --git a/example/ant_test.c b/example/ant_test.c new file mode 100644 index 000000000..429a0240a --- /dev/null +++ b/example/ant_test.c @@ -0,0 +1,267 @@ +/* + * 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; +} +