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| 1 | #!/usr/bin/python | |
| 2 | import RPi.GPIO as GPIO | |
| 3 | import os, time | |
| 4 | ||
| 5 | GPIO.setmode(GPIO.BCM) | |
| 6 | GPIO.setup(23, GPIO.IN, pull_up_down=GPIO.PUD_UP) #Reset switch | |
| 7 | GPIO.setup(24, GPIO.IN, pull_up_down=GPIO.PUD_UP) #Power switch | |
| 8 | GPIO.setup(25, GPIO.OUT) #ON control | |
| 9 | GPIO.output(25, GPIO.HIGH) | |
| 10 | ||
| 11 | def exitEmulator(channel): | |
| 12 | print('exitEmulator')
| |
| 13 | pids = [pid for pid in os.listdir('/proc') if pid.isdigit()]
| |
| 14 | ||
| 15 | for pid in pids: | |
| 16 | try: | |
| 17 | commandpath = open(os.path.join('/proc', pid, 'cmdline'), 'rb').read()
| |
| 18 | if commandpath[0:24] == '/opt/retropie/emulators/': | |
| 19 | os.system('kill -QUIT %s' % pid)
| |
| 20 | print('kill -QUIT %s' % pid)
| |
| 21 | except IOError: | |
| 22 | continue | |
| 23 | GPIO.add_event_detect(23, GPIO.FALLING, callback=exitEmulator, bouncetime=500) | |
| 24 | ||
| 25 | while True: | |
| 26 | if (GPIO.input(24)): | |
| 27 | time.sleep(0.25) | |
| 28 | else: | |
| 29 | print ("Shutting down...")
| |
| 30 | os.system("sudo shutdown -h now")
| |
| 31 | break |
