stm32/app/led.c


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#include "project.h"


#define LED GPIO13
#define LED_PORT GPIOC

static int led = 0;

void
led_init (void)
{
  MAP_OUTPUT_OD (LED);
  SET (LED);

}


void
led_clear (void)
{
  SET (LED);
  led = 0;
}

void
led_set (void)
{
  CLEAR (LED);
  led = MS_TO_TICKS (200);
}

void
led_tick (void)
{
  if (led) {
    led--;

    if (!led)
      led_clear();
  }

}