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• mudpi-core-master
  • sensors
    • arduino
      • rain_sensor.py
      • light_sensor.py
      • humidity_sensor.py
      • __init__.py
      • soil_sensor.py
      • temperature_sensor.py
      • float_sensor.py
      • sensor.py
    • MCP3xxx
      • __init__.py
      • soil_sensor.py
      • sensor.py
    • pi
      • humidity_sensor.py
      • __init__.py
      • float_sensor.py
      • sensor.py
    • __init__.py
  • action.py
  • variables.py
  • controls
    • arduino
      • control.py
      • switch_control.py
      • potentiometer_control.py
      • __init__.py
      • button_control.py
    • pi
      • control.py
      • switch_control.py
      • __init__.py
      • button_control.py
    • __init__.py
  • config_load.py
  • LICENSE
  • workers
    • camera_worker.py
    • pi_control_worker.py
    • sensor_worker.py
    • pump_worker.py
    • trigger_worker.py
    • pi_sensor_worker.py
    • __init__.py
    • arduino_sensor_worker.py
    • lcd_worker.py
    • arduino_control_worker.py
    • relay_worker.py
    • arduino_worker.py
    • adc_worker.py
  • triggers
    • control_trigger.py
    • trigger.py
    • sensor_trigger.py
    • trigger_group.py
    • __init__.py
    • time_trigger.py
  • __init__.py
  • README.md
  • package.json
  • server
    • mudpi_event_listener.js
    • mudpi_server.py
  • mudpi.config.example
  • tools
    • add_lcd_message.py
    • lcd_reset.py
    • event_send_tool.py
  • requirements.txt
  • debug
    • dump.py
    • blink.py
    • firmware_test.py
  • .gitignore
  • mudpi.py

import time
import json
import redis
import RPi.GPIO as GPIO
import sys
sys.path.append('..')
import variables

# Base sensor class to extend all other arduino sensors from.
class Control():

	def __init__(self, pin, name='Control',key=None, resistor=None, edge_detection=None, debounce=None):
		self.pin = pin
		self.name = name
		self.key = key.replace(" ", "_").lower() if key is not None else self.name.replace(" ", "_").lower()
		self.gpio = GPIO
		self.debounce = debounce if debounce is not None else None

		if resistor is not None:
			if resistor == "up" or resistor == GPIO.PUD_UP:
				self.resistor = GPIO.PUD_UP
			elif resistor == "down" or resistor == GPIO.PUD_DOWN:
				self.resistor = GPIO.PUD_DOWN
		else:
			self.resistor = resistor

		if edge_detection is not None:
			if edge_detection == "falling" or edge_detection == GPIO.FALLING:
				self.edge_detection = GPIO.FALLING
			elif edge_detection == "rising" or edge_detection == GPIO.RISING:
				self.edge_detection = GPIO.RISING
			elif edge_detection == "both" or edge_detection == GPIO.BOTH:
				self.edge_detection = GPIO.BOTH
		else:
			self.edge_detection = None

		return

	def init_control(self):
		#Initialize the control here (i.e. set pin mode, get addresses, etc)
		#Set the Pin for the button with the internal pull up resistor
		self.gpio.setup(self.pin, GPIO.IN, pull_up_down=self.resistor)
		# If edge detection has been configured lets take advantage of that
		if self.edge_detection is not None:
			GPIO.add_event_detect(self.pin, self.edge_detection, bouncetime=self.debounce)
		pass

	def read(self):
		#Read the sensor(s), parse the data and store it in redis if redis is configured
		#If edge detection is being used return the detection event instead
		return self.readPin() if self.edge_detection is None else GPIO.event_detected(self.pin)

	def readRaw(self):
		#Read the sensor(s) but return the raw data, useful for debugging
		pass

	def readPin(self):
		#Read the pin from the pi digital reads only
		data = self.gpio.input(self.pin)
		return data
	
	def emitEvent(self, data): 
		message = {
			'event':'ControlUpdate',
			'data': {
				self.key:data
			}
		}
		print(message["data"])
		variables.r.publish('controls', json.dumps(message))