# Notes for installation:
# On older versions of RetroPie, you may need to update (sudo apt-get update)
# Install python-pip (sudo apt-get install python{,3}-pip
# Install GPIOZERO (sudo apt-get install python-gpiozero
# Install uinput (sudo pip install python-uinput)
# Copy script to the /home/pi/ folder
# Confirm that the extension of the script is .py
# Confirm permissions of the script file is set to 0755 (or higher)
# Go to the /etc/ folder and edit the rc.local file
# At the bottom of the file add in this line above the "exit 0" line: python /home/pi/reset.py &
# Reboot

from gpiozero import Button
from subprocess import check_call
from signal import pause
import uinput
import time

device = uinput.Device([uinput.KEY_F12, uinput.KEY_F1])


def press_Reset():                  # F12-Reset event when button is pressed and released before hold timer is reached
    device.emit(uinput.KEY_F12, 1)
    time.sleep(0.1)
    device.emit(uinput.KEY_F12, 0)

def hold_Reset():                  # F1-Quit event when button is pressed longer than the hold timer
    device.emit(uinput.KEY_F1, 1)
    time.sleep(0.1)
    device.emit(uinput.KEY_F1, 0)


#define the GPIO and its parameters - hold_time is in seconds unit
Reset_button = Button(21, pull_up=True, hold_time=2)

#Process the Reset button detection
Reset_button.when_released = press_Reset
Reset_button.when_held = hold_Reset

pause()