riot-debounce

riot-debounce.c

// BUTTON WITHOUT THREAD


#include <stdio.h>
#include "periph/gpio.h"

#include "xtimer.h"
#include "timex.h"

#include <string.h>
#include "thread.h"

xtimer_ticks32_t timerPrev;

static void btn_handler(void *arg){
	(void)arg;

	if (xtimer_now().ticks32 - timerPrev.ticks32 > 50){
		timerPrev = xtimer_now();
		gpio_toggle(GPIO_PIN(PORT_B, 0));
		puts("Button press!");
		
	}

}

int main(void)
{
	gpio_init(GPIO_PIN(PORT_B, 0), GPIO_OUT);
	gpio_init_int(GPIO_PIN(PORT_B, 1), GPIO_IN_PU, GPIO_FALLING, btn_handler, NULL);
//	while(1);
	return 0;
}