radiator-plc/stm32/app/led.c


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#include "project.h"

#define LED0 GPIO3
#define LED0_PORT GPIOC

#define LED1 GPIO2
#define LED1_PORT GPIOC

static int led = 0;

void
led_init (void)
{
  MAP_OUTPUT_PP (LED0);
  MAP_OUTPUT_PP (LED1);

  SET (LED0);
  SET (LED1);
}

void led1_set (void)
{
  CLEAR (LED1);
}

void led1_clear (void)
{
  SET (LED1);
}


void
led_tick (void)
{
  static unsigned i;

  i++;

  if (i < 1000) return;

  i = 0;

  led ^= 1;

  if (!led)
    CLEAR (LED0);

  if (led)
    SET (LED0);

}