#!/usr/bin/env python2.7
import RPi.GPIO as GPIO
import subprocess
import time
GPIO.setmode(GPIO.BOARD)
subprocess.call(['sudo', 'systemctl', 'stop', 'mmdvmhost.service', 'dmrmmdvmhost.service'])
GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(16, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(18, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(40, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
def run_DMR(channel):
        subprocess.call(['sudo', 'systemctl', 'stop', 'mmdvmhost.service', 'dmrmmdvmhost.service'])
        time.sleep(5)
        subprocess.call(['sudo', 'systemctl', 'start', 'mmdvmhost.service'])

def run_BM(channel):
        subprocess.call(['sudo', 'systemctl', 'stop', 'mmdvmhost.service', 'dmrmmdvmhost.service'])
        time.sleep(5)
        subprocess.call(['sudo', 'systemctl', 'start', 'dmrmmdvmhost.service'])

def close_all_mmdvm(channel):
        subprocess.call(['sudo', 'systemctl', 'stop', 'mmdvmhost.service', 'dmrmmdvmhost.service'])

GPIO.add_event_detect(12, GPIO.FALLING, callback=run_DMR, bouncetime=300)
GPIO.add_event_detect(16, GPIO.FALLING, callback=run_BM, bouncetime=300)
GPIO.add_event_detect(18, GPIO.FALLING, callback=close_all_mmdvm, bouncetime=300)
try:
        GPIO.wait_for_edge(40, GPIO.FALLING, bouncetime=300)
except KeyboardInterrupt:
        GPIO.cleanup()
GPIO.cleanup()