adding gpio plugin

Signed-off-by: Justin Richards <ratmandu@gmail.com>

pwnagotchi/plugins/default/gpio_buttons.py

@@ -0,0 +1,38 @@
+__author__ = 'ratmandu@gmail.com'
+__version__ = '1.0.0'
+__name__ = 'gpio_buttons'
+__license__ = 'GPL3'
+__description__ = 'GPIO Button support plugin'
+
+import logging
+import RPi.GPIO as GPIO
+import subprocess
+
+running = False
+OPTIONS = dict()
+GPIOs = {}
+COMMANDs = None 
+
+def runCommand(channel):
+  command = GPIOs[channel]
+  logging.info(f"Button Pressed! Running command: {command}")
+  process = subprocess.Popen(command, shell=True, stdin=None, stdout=open("/dev/null", "w"), stderr=None, executable="/bin/bash")
+  process.wait()
+
+
+def on_loaded():
+  logging.info("GPIO Button plugin loaded.")
+  
+  #get list of GPIOs
+  gpios = OPTIONS['gpios']
+
+  #set gpio numbering
+  GPIO.setmode(GPIO.BCM)
+
+  for i in gpios:
+    gpio = list(i)[0]
+    command = i[gpio]
+    GPIOs[gpio] = command
+    GPIO.setup(gpio, GPIO.IN, GPIO.PUD_UP)
+    GPIO.add_event_detect(gpio, GPIO.FALLING, callback=runCommand, bouncetime=300)
+    logging.info("Added command: %s to GPIO #%d", command, gpio)