retropie-shutdown-and-switch-to-x11.py

retropie-shutdown-and-switch-to-x11.py

#!/usr/bin/env python

# Initial script from:
# https://retropie.org.uk/forum/topic/13141/gpio-button-to-exit-emulator/3

import RPi.GPIO as GPIO
import time
import subprocess

#https://github.com/crcerror/ES-generic-shutdown script location
es_generic_shutdown_path = "/home/pi/ES-generic-shutdown/multi_switch.sh"

# Define which pin you're using for the reset button (change this to whatever pin you use)
x11Btn = 13
poweroffBtn = 5

# Use 'board' pin numbering (i.e. the zig-zaging numbering scheme)
GPIO.setmode(GPIO.BOARD)
# See:   https://pinout.xyz/   for the pin layout

# Set the x11Btn pin to an input and enable the pull-up resistor
GPIO.setup(x11Btn, GPIO.IN, pull_up_down = GPIO.PUD_UP)
GPIO.setup(poweroffBtn, GPIO.IN, pull_up_down = GPIO.PUD_UP)

# Define a function which will be called when your reset button is pressed
def interrupt_x11Btn(channel):
	print("You pressed the X11 button!")
	es_pid = int(subprocess.check_output( ["/bin/bash", es_generic_shutdown_path, "--es-pid"] ))
	if es_pid != 0:
		print("ES found with PID " + str(es_pid) + ". Back to console")
		rc = subprocess.call( ["/bin/bash", es_generic_shutdown_path, "--es-systemd"] )
	else:
		print("ES not found. Back to emulationstation")
		rc1 = subprocess.call( ["killall xinit"] )
		time.sleep(2)
		rc2 = subprocess.call( ["/usr/bin/sudo -u pi /usr/bin/emulationstation"] )


# Define a function which will be called when your reset button is pressed
def interrupt_poweroffBtn(channel):
	print("You pressed the PowerOff button!")
	es_pid = int(subprocess.check_output( ["/bin/bash", es_generic_shutdown_path, "--es-pid"] ))
	if es_pid != 0:
		print("ES found with PID " + str(es_pid))
		rc = subprocess.check_output( ["/bin/bash", es_generic_shutdown_path, "--es-poweroff"] )
	else:
		print("ES not found")
		rc = subprocess.check_output( ["/sbin/poweroff"] )

# Enable reset button interrupt to trigger on a falling edge (i.e. high-to-low transition)
GPIO.add_event_detect(x11Btn, GPIO.FALLING, callback = interrupt_x11Btn, bouncetime = 1000)
GPIO.add_event_detect(poweroffBtn, GPIO.FALLING, callback = interrupt_poweroffBtn, bouncetime = 1000)

# --------------------------------------------------------------------

# Now just wait forever for the user to press a button
# The sleep time doesn't really matter, make it long enough so it isn't wasting cpu cycles
while 1:
	time.sleep(5)