void telemetry_init(void) {
debug("telemetry: init\n"); debug_flush();
// mark as invalid
telemetry_expected_id = 0;
// setup buffer
telemetry_buffer.write = 0;
telemetry_buffer.read = 0;
telemetry_buffer.read_ok = 0;
#ifdef HUB_TELEMETRY_ON_SBUS_UART
// re-use sbus uart, no init necessary
debug("telemetry: using sbus uart\n"); debug_flush();
// attach callback
uart_set_rx_callback(&telemetry_rx_callback);
#else
// init software serial port
soft_serial_init();
// attach callback
soft_serial_set_rx_callback(&telemetry_rx_callback);
#endif
#if TELEMETRY_DO_TEST
telemetry_rx_echo_test();
#endif
}
int main(void) {
pin_init();
uart_init();
uart_set_rx_callback(&my_rx_callback);
uart_enable();
sei();
while(1)
{
uart_send_data(ch_cycles, 4*CH_NUM);
uart_send_data(ch_rpm, 2*CH_NUM);
measure_rpm();
_delay_ms(1000);
}
}
int main(void)
{
uart_t *u0;
/* Delay for one second to avoid multiple resets during programming. */
_delay_ms(1000);
/* Initialize USART0 and set up stdout to write to it. */
u0 = uart_init("0", UART_BAUD_SELECT(38400, F_CPU));
uart_init_stdout(u0);
uart_set_rx_callback(u0, notice_uart_input);
i2c_init();
/*
* Test if pullup is required on the I2C pins, and enable if the pins are
* reading low. This allows external pullups to optionally be used, so that
* for example the I2C bus can be pulled up to 3.3V to allow communication
* between 3.3V and 5V devices at 3.3V.
*/
if((PINC & (_BV(PC0) | _BV(PC1))) == 0)
{
DDRC = _BV(PC0) | _BV(PC1);
PORTC = _BV(PC0) | _BV(PC1);
}
sei();
printf_P(PSTR("\n\nBooted!\n"));
printf_P(PSTR("Reading saved configuration...\n\n"));
configuration_restore();
printf_P(PSTR(
"Configuration:\n"
" tz_offset: %2i\n"
" dst_offset: %2i\n"
"\n"
), configuration.tz_offset, configuration.dst_offset);
printf_P(PSTR(
"Commands:\n"
" Get the current time:\n"
" G\n"
" Set the current time:\n"
" S YYYY-MM-DD hh:mm:ss\n"
" Set the timezone offset from UTC:\n"
" O <tz_offset> <dst_offset>\n"
" Set the time from GPS (if available):"
" s\n"
"\n"
));
rtc_init(rtc);
rtc_sqw_enable(rtc);
rtc_sqw_rate(rtc, 1);
/* Enable pullup and interrupt for PC6/PCINT22, DS1307 SQW pin. */
PORTC |= _BV(PC6);
PCMSK2 |= _BV(PCINT22);
PCICR |= _BV(PCIE2);
/* Initialize the sequencer with 1000Hz tick rate. */
led_sequencer_init(1000);
/* Initialize and load the LED Analog Clock LED display. */
led_charlieplex_init(&LED_DISPLAY);
led_sequencer_push_front_matrix("c", &LED_DISPLAY);
/*
* Add empty sequences for hour, minute, second, hourly show, and minutely
* show.
*/
led_sequencer_push_back_sequence("h");
led_sequencer_push_back_sequence("m");
led_sequencer_push_back_sequence("s");
led_sequencer_push_back_sequence("H");
led_sequencer_push_back_sequence("M");
/*
* Initially read the time, set last_* for use later, and push a sequencer
* step into the second, minute, and hour sequences. The steps pushed
* below are never removed, as they are modified in place in update_hms()
* with each time change.
*/
rtc_read(rtc, ¤t_time);
last_hour = current_time.hour;
last_minute = current_time.minute;
last_second = current_time.second;
step_hour = led_sequencer_sequence_push_back_step("h", LED_SEQUENCER_STEP_SHOW, "c", led_mapping_qhour[((current_time.hour % 12) * 4) + (current_time.minute / 15)], 255);
step_minute = led_sequencer_sequence_push_back_step("m", LED_SEQUENCER_STEP_SHOW, "c", led_mapping_minute[current_time.minute], 255);
step_second = led_sequencer_sequence_push_back_step("s", LED_SEQUENCER_STEP_SHOW, "c", led_mapping_minute[current_time.second], 255);
enqueue_hourly_show();
led_sequencer_run();
srand(current_time.hour * current_time.minute * current_time.second);
/*
* Main infinite loop.
*/
while(1)
{
/* Handle UART input when ready. */
if(ready_flags & READY_UART_DATA)
{
ready_flags &= ~READY_UART_DATA;
handle_uart_input(u0);
}
/* A time change has occurred, update the clock display. */
if(ready_flags & READY_UPDATE_HMS)
{
ready_flags &= ~READY_UPDATE_HMS;
update_hms();
}
/*
* Run one loop through the current sequence, with interrupts disabled.
*/
cli();
led_sequencer_display();
sei();
}
/* Never reached. */
return(0);
}
