#!/usr/bin/env python3

# H. Hoegl, 2021-04-19 

import os, time

GPIOSTR = "echo {val} > /sys/class/gpio/gpio{nr}/{op}"

if __name__ == "__main__":
    os.system(GPIOSTR.format(val="out", nr="44", op="direction" ))
    n = 0
    while True:
        print("loop", n)
        os.system(GPIOSTR.format(val="1", nr="44", op="value"))
        time.sleep(1)
        os.system(GPIOSTR.format(val="0", nr="44", op="value"))
        time.sleep(1)
        n += 1