craftbeerpi3/modules/base_plugins/gpio_actor/__init__.py

# -*- coding: utf-8 -*-
import time

from modules import cbpi
from modules.core.hardware import ActorBase, SensorPassive, SensorActive
from modules.core.props import Property

try:
    import RPi.GPIO as GPIO

    GPIO.setmode(GPIO.BCM)
except Exception as e:
    print e
    pass



@cbpi.actor
class GPIOSimple(ActorBase):

    gpio = Property.Select("GPIO", options=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27], description="GPIO to which the actor is connected")

    def init(self):
        GPIO.setup(int(self.gpio), GPIO.OUT)
        GPIO.output(int(self.gpio), 0)

    def on(self, power=0):
        print "GPIO ON %s" % str(self.gpio)
        GPIO.output(int(self.gpio), 1)

    def off(self):
        print "GPIO OFF"
        GPIO.output(int(self.gpio), 0)

@cbpi.actor
class GPIOPWM(ActorBase):

    gpio = Property.Select("GPIO", options=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27], description="GPIO to which the actor is connected")
    frequency = Property.Number("Frequency (Hz)", configurable=True)

    p = None
    power = 100  # duty cycle

    def init(self):
        GPIO.setup(int(self.gpio), GPIO.OUT)
        GPIO.output(int(self.gpio), 0)


    def on(self, power=None):
        if power is not None:
            self.power = int(power)

        if self.frequency is None:
            self.frequency = 0.5  # 2 sec

        self.p = GPIO.PWM(int(self.gpio), float(self.frequency))
        self.p.start(int(self.power))

    def set_power(self, power):
        '''
        Optional: Set the power of your actor
        :param power: int value between 0 - 100
        :return: 
        '''
        if power is not None:
            self.power = int(power)
        self.p.ChangeDutyCycle(self.power)

    def off(self):
        print "GPIO OFF"
        self.p.stop()


@cbpi.actor
class RelayBoard(ActorBase):

    gpio = Property.Select("GPIO", options=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27], description="GPIO to which the actor is connected")

    def init(self):
        GPIO.setup(int(self.gpio), GPIO.OUT)
        GPIO.output(int(self.gpio), 1)

    def on(self, power=0):

        GPIO.output(int(self.gpio), 0)

    def off(self):

        GPIO.output(int(self.gpio), 1)

@cbpi.actor
class Dummy(ActorBase):


    def on(self, power=100):
        '''
        Code to switch on the actor
        :param power: int value between 0 - 100
        :return: 
        '''
        print "ON"

    def off(self):
        print "OFF"