Added the call for opening the fridge

cardlistener.py

@@ -1,7 +1,7 @@
 import time, json
 import RPi.GPIO as GPIO
 import keyboard
-
+import subprocess
 if __name__ == '__main__':
 	pin_config = []
 	with open('pin_config.json') as pin_config_stream:
@@ -16,6 +16,12 @@ if __name__ == '__main__':
 	GPIO.setup(pin_config['fridge_grn_LED'], GPIO.OUT)
 	GPIO.setup(pin_config['tools_red_LED'], GPIO.OUT)
 	GPIO.setup(pin_config['tools_grn_LED'], GPIO.OUT)
+
+	GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
+	GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)
+	GPIO.output(pin_config['fridge_red_LED'], GPIO.LOW)
+	GPIO.output(pin_config['tools_red_LED'], GPIO.LOW)
+
 	while True:
 		print "Enter card ID:"
 		cardID_input = keyboard.record(until='enter')
@@ -37,13 +43,14 @@ if __name__ == '__main__':
 				else:
 					GPIO.output(pin_config['fridge_red_LED'], GPIO.HIGH)
 				timeout = time.time() + 5 # 5 seconds timeout
+				wait = True
 				while wait:
 					if data['secretTools'] and GPIO.input(pin_config['tools_btn']) == 0:
-						wait = False
 						GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
 						GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)
 						GPIO.output(pin_config['fridge_red_LED'], GPIO.LOW)
 						GPIO.output(pin_config['tools_red_LED'], GPIO.LOW)
+						wait = False
 						# Open tools
 					if data['fridge'] and GPIO.input(pin_config['fridge_btn']) == 0:
 						GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
@@ -52,6 +59,8 @@ if __name__ == '__main__':
 						GPIO.output(pin_config['tools_red_LED'], GPIO.LOW)
 						wait = False
 						# Open fridge
+						subprocess.call("/home/pi/ELAB-RFID-I2C/RPi/i2c_challenge", shell=True)
+
 					if time.time() > timeout:
 						GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
 						GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)