#!/bin/bash

# set_gpio_ctrl
# pin #, direction, high(1)/low(0)
function set_gpio_ctrl() {
  echo $1 > /sys/class/gpio/export
  echo $2 > /sys/class//gpio/gpio$1/direction
  echo $3 > /sys/class/gpio/gpio$1/value
  echo $1 > /sys/class/gpio/unexport
  sleep 1
}

# get_gpio_ctrl
# pin #
function get_gpio_ctrl() {
  echo $1 > /sys/class/gpio/export
  echo $(cat /sys/class/gpio/gpio$1/value)
  echo $1 > /sys/class/gpio/unexport
}