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extracted tryToSend function

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This commit is contained in:
matthias.ringwald@gmail.com 2013-03-12 14:57:25 +00:00
parent f768f15838
commit 8a41a694f3
1 changed files with 34 additions and 14 deletions
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48
MSP-EXP430F5438-CC256x/example/spp_counter.c
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@ -35,6 +35,31 @@
static uint8_t rfcomm_channel_nr = 1;
static uint16_t rfcomm_channel_id;
static uint8_t spp_service_buffer[150];
static timer_source_t heartbeat;
static int real_counter = 0;
static int counter_to_send = 0;
static void tryToSend(void){
if (!rfcomm_channel_id) return;
if (real_counter <= counter_to_send) return;
char lineBuffer[30];
sprintf(lineBuffer, "BTstack counter %04u\n\r", counter_to_send);
printf(lineBuffer);
int err = rfcomm_send_internal(rfcomm_channel_id, (uint8_t*) lineBuffer, strlen(lineBuffer));
switch (err){
case 0:
counter_to_send++;
break;
case BTSTACK_ACL_BUFFERS_FULL:
break;
default:
printf("rfcomm_send_internal() -> err %d\n\r", err);
break;
}
}
// Bluetooth logic
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
@ -98,7 +123,11 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
}
break;
case DAEMON_EVENT_HCI_PACKET_SENT:
case RFCOMM_EVENT_CREDITS:
tryToSend();
break;
case RFCOMM_EVENT_CHANNEL_CLOSED:
rfcomm_channel_id = 0;
break;
@ -118,31 +147,22 @@ static void run_loop_register_timer(timer_source_t *timer, uint16_t period){
run_loop_add_timer(timer);
}
static void timer_handler(timer_source_t *ts){
if (rfcomm_channel_id){
static int counter = 0;
char lineBuffer[30];
sprintf(lineBuffer, "BTstack counter %04u\n\r", ++counter);
printf(lineBuffer);
int err = rfcomm_send_internal(rfcomm_channel_id, (uint8_t*) lineBuffer, strlen(lineBuffer));
if (err) {
printf("rfcomm_send_internal -> error %d", err);
}
}
static void timer_handler(timer_source_t *ts){
real_counter++;
// re-register timer
run_loop_register_timer(ts, HEARTBEAT_PERIOD_MS);
tryToSend();
}
static void timer_setup(){
// set one-shot timer
timer_source_t heartbeat;
heartbeat.process = &timer_handler;
run_loop_register_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
}
static void hw_setup(){
// stop watchdog timer
WDTCTL = WDTPW + WDTHOLD;