Can I do MORE GPIO stuff with Mausberry script?

[caver01]

I am curious if anyone is doing more with the Mausberry script. By more, I mean tracking other GPIO inputs. Here's the default script:

#!/bin/bash

#this is the GPIO pin connected to the lead on switch labeled OUT
GPIOpin1=23

#this is the GPIO pin connected to the lead on switch labeled IN
GPIOpin2=24

echo "$GPIOpin1" > /sys/class/gpio/export
echo "in" > /sys/class/gpio/gpio$GPIOpin1/direction
echo "$GPIOpin2" > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio$GPIOpin2/direction
echo "1" > /sys/class/gpio/gpio$GPIOpin2/value
while [ 1 = 1 ]; do
power=$(cat /sys/class/gpio/gpio$GPIOpin1/value)
if [ $power = 0 ]; then
sleep 1
else
sudo poweroff
fi
done

I have some Admin buttons on my cabinet that I will wire to GPIO pins to send commands (Volume Up, Volume Down). I already have the commands, but I need to link them to my buttons via GPIO5 and GPIO6. I was going to install one of the GPIO controller solutions that have been documented here, but it struck me that I already have a Mausberry script running that is watching GPIO23 for shutdown. Why not add a couple more commands?

The problem I am running into is that my attempt to change the script failed, probably because I don't have much experience using GPIO on the Pi , so my modifications are just not correct.

Has anyone using a Mausberry circuit added additional commands/functions to the script? I proposed this on the Mausberry forum, but it's just crickets over there.

OR. . . should I leave well enough alone and load some additional GPIO solution for my volume commands?

By the way, I couldn't create this in the Help and Support area--I am getting an error that the category does not exist.

[obsidianspider]

I modified my Mausberry script to change the display on my TFT to show that the Pi is shutting down. That said, I've seen other python implementations to try to do the same thing. Most seemed to be less "foolproof" than the Mausberry method, so I didn't use python to manage the shutdown. I'm still quite a hack at this, I'm still cleaning things up, and I'm sure my code is messy, but this is my modified switch.sh

#!/bin/bash

#this is the GPIO pin connected to the lead on switch labeled OUT
GPIOpin1=18

#this is the GPIO pin connected to the lead on switch labeled IN
GPIOpin2=17

echo "$GPIOpin1" > /sys/class/gpio/export
echo "in" > /sys/class/gpio/gpio$GPIOpin1/direction
echo "$GPIOpin2" > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio$GPIOpin2/direction
echo "1" > /sys/class/gpio/gpio$GPIOpin2/value
while [ 1 = 1 ]; do
power=$(cat /sys/class/gpio/gpio$GPIOpin1/value)
if [ $power = 0 ]; then
sleep 1
else
#load image
sudo python /home/pi/Adafruit_Python_ILI9341/examples/imageparam2.py "/home/pi/Adafruit_Python_ILI9341/examples/powering-off.png"
sudo poweroff
fi
done

The Mausberry script is pretty inefficient if you want to monitor buttons as it's constantly polling. From my research the "wait for edge" method is less processor intensive. This is my "reset button" python script that controls the backlight on my secondary TFT. My code may be messy, but I noticed less CPU load when using this method compared to the Mausberry method.

#!/usr/bin/python

import RPi.GPIO as GPIO
import time

# set up BCM GPIO numbering
GPIO.setmode(GPIO.BCM)

# turn off warnings
GPIO.setwarnings(False)

# tell the script that we're going to output data on GPIO 23
GPIO.setup(23,GPIO.OUT)

# tell the script we're going to use GPIO 27 for input and act as a pull up resistor
GPIO.setup(27, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# the default state of the light is on
light = 1 

# run this unless there's an exception
try:
	
	# Turn ON Backlight by default
	GPIO.output(23,GPIO.HIGH)
	
	# do this forever
	while True:
		# use interrupt to wait for button to be pressed
		GPIO.wait_for_edge(27, GPIO.FALLING)
		# if the light is on, turn the light off
		if light == 1:
			#Turn OFF Backlight
			GPIO.output(23,GPIO.LOW)
			#change the state of the light variable so the script knows the light is off
			light = 0
			
		# if the light is off, turn the light on
		elif light == 0:
			# Turn ON Backlight
			GPIO.output(23,GPIO.HIGH)
			#change the state of the light variable so the script knows the light is on
			light = 1
		# wait a little while to account for bounce in the button
		time.sleep(0.2)

# keep running unless you Ctrl+C to break out of it
except KeyboardInterrupt:
	# reset the GPIO pins used in this program
	GPIO.cleanup()