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https://github.com/bluekitchen/btstack.git
synced 2025-03-14 01:27:41 +00:00
revert to working version
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087249b5af
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f768f15838
@ -38,32 +38,17 @@ static uint8_t rfcomm_channel_nr = 1;
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static uint16_t rfcomm_channel_id;
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static uint8_t rfcomm_send_credit = 0;
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static uint8_t spp_service_buffer[150];
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static timer_source_t heartbeat;
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enum STATE {INIT, W4_CONNECTION, W4_CHANNEL_COMPLETE, ACTIVE} ;
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enum STATE state = INIT;
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// Bluetooth logic
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static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
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bd_addr_t event_addr;
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uint8_t rfcomm_channel_nr;
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uint16_t mtu;
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uint8_t event = packet[0];
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if (packet_type == RFCOMM_DATA_PACKET){
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// hack: truncate data (we know that the packet is at least on byte bigger
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packet[size] = 0;
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puts( (const char *) packet);
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rfcomm_send_credit = 1;
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return;
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}
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// handle events, ignore data
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if (packet_type != HCI_EVENT_PACKET) return;
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switch(state){
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case INIT:
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switch(event){
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switch (packet_type) {
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case HCI_EVENT_PACKET:
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switch (packet[0]) {
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case BTSTACK_EVENT_STATE:
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// bt stack activated, get started - set local name
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if (packet[2] == HCI_STATE_WORKING) {
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@ -75,13 +60,21 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
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if (COMMAND_COMPLETE_EVENT(packet, hci_read_bd_addr)){
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bt_flip_addr(event_addr, &packet[6]);
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printf("BD-ADDR: %s\n\r", bd_addr_to_str(event_addr));
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break;
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}
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if (COMMAND_COMPLETE_EVENT(packet, hci_write_local_name)){
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hci_discoverable_control(1);
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break;
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}
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break;
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default:
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case HCI_EVENT_LINK_KEY_REQUEST:
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// deny link key request
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printf("Link key request\n\r");
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bt_flip_addr(event_addr, &packet[2]);
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hci_send_cmd(&hci_link_key_request_negative_reply, &event_addr);
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break;
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}
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case W4_CONNECTION:
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switch(event){
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case HCI_EVENT_PIN_CODE_REQUEST:
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// inform about pin code request
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printf("Pin code request - using '0000'\n\r");
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@ -96,41 +89,36 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
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rfcomm_channel_id = READ_BT_16(packet, 9);
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printf("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(event_addr));
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rfcomm_accept_connection_internal(rfcomm_channel_id);
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state = W4_CHANNEL_COMPLETE;
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break;
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case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
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// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
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if (packet[2]) {
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printf("RFCOMM channel open failed, status %u\n\r", packet[2]);
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} else {
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rfcomm_channel_id = READ_BT_16(packet, 12);
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mtu = READ_BT_16(packet, 14);
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printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
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}
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break;
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case RFCOMM_EVENT_CHANNEL_CLOSED:
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rfcomm_channel_id = 0;
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break;
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default:
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break;
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}
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case W4_CHANNEL_COMPLETE:
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if ( event != RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE ) break;
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// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
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if (packet[2]) {
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printf("RFCOMM channel open failed, status %u\n\r", packet[2]);
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break;
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}
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rfcomm_channel_id = READ_BT_16(packet, 12);
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mtu = READ_BT_16(packet, 14);
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printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
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state = ACTIVE;
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break;
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case ACTIVE:
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if (event != RFCOMM_EVENT_CHANNEL_CLOSED) break;
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rfcomm_channel_id = 0;
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state = W4_CONNECTION;
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break;
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case RFCOMM_DATA_PACKET:
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// hack: truncate data (we know that the packet is at least on byte bigger
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packet[size] = 0;
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puts( (const char *) packet);
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rfcomm_send_credit = 1;
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default:
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break;
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}
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}
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static void run_loop_register_timer(timer_source_t *timer, uint16_t period){
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run_loop_set_timer(timer, period);
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run_loop_add_timer(timer);
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}
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static void heartbeat_handler(struct timer *ts){
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@ -138,16 +126,13 @@ static void heartbeat_handler(struct timer *ts){
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rfcomm_grant_credits(rfcomm_channel_id, 1);
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rfcomm_send_credit = 0;
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}
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run_loop_register_timer(ts, HEARTBEAT_PERIOD_MS);
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run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS);
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run_loop_add_timer(ts);
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}
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static void timer_setup(){
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// set one-shot timer
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heartbeat.process = &heartbeat_handler;
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run_loop_register_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
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}
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static void hw_setup(){
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// main
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int main(void)
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{
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// stop watchdog timer
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WDTCTL = WDTPW + WDTHOLD;
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@ -162,9 +147,7 @@ static void hw_setup(){
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// init LEDs
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LED_PORT_OUT |= LED_1 | LED_2;
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LED_PORT_DIR |= LED_1 | LED_2;
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}
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static void btstack_setup(){
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/// GET STARTED with BTstack ///
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btstack_memory_init();
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run_loop_init(RUN_LOOP_EMBEDDED);
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@ -195,31 +178,27 @@ static void btstack_setup(){
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sdp_create_spp_service( (uint8_t*) &service_record_item->service_record, 1, "SPP Counter");
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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)));
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sdp_register_service_internal(NULL, service_record_item);
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}
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// main
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int main(void)
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{
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hw_setup();
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btstack_setup();
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timer_setup();
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// set one-shot timer
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timer_source_t heartbeat;
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heartbeat.process = &heartbeat_handler;
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run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
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run_loop_add_timer(&heartbeat);
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puts("SPP FlowControl Demo: simulates processing on received data...\n\r");
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// ready - enable irq used in h4 task
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__enable_interrupt();
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// turn on!
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hci_power_control(HCI_POWER_ON);
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// make discoverable
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hci_discoverable_control(1);
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// turn on!
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hci_power_control(HCI_POWER_ON);
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// go!
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run_loop_execute();
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run_loop_execute();
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// happy compiler!
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return 0;
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}
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