hc3-actor/piRelay.py at production · JKarthaus/hc3-actor · GitHub

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#!/usr/bin/python

try:
    import RPi.GPIO as GPIO
except RuntimeError:
    print(
        "Error importing RPi.GPIO!  This is probably because you need superuser privileges.  You can achieve this by using 'sudo' to run your script")

import timecode.con

GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(True)


class Relay:
    ''' Class to handle Relay

    Arguments:
    relay = string Relay label (i.e. "RELAY1","RELAY2","RELAY3","RELAY4")
    '''
    relayGpio = {"RELAY1": 19, "RELAY2": 13, "RELAY3": 6, "RELAY4": 5}

    def __init__(self, relay):
        self.pin = self.relayGpio[relay]
        self.relay = relay
        GPIO.setup(self.pin, GPIO.OUT)
        GPIO.output(self.pin, GPIO.LOW)

    def on(self):
        print(self.relay + " - ON")
        GPIO.output(self.pin, GPIO.HIGH)

    def off(self):
        print(self.relay + " - OFF")
        GPIO.output(self.pin, GPIO.LOW)