avr/power-management/main.c

#include <dio.h>

#define TIMEOUT 1

int main(void) {
    dio_t power = { .ddr = &DDRB, .pin = &PINB, .port = &PORTB, .addr = 3 };
    dio_set_direction(&power, LINE_OUT);

    int timeout_seconds = TIMEOUT;
    while (1) {
        if (timeout_seconds <= 0) {
            dio_set(&power, 1);
            _delay_ms(50);
            dio_set(&power, 0);
            timeout_seconds = TIMEOUT;
        }
        timeout_seconds--;
        _delay_ms(1000);
    }
}