TRUST AC3-1000R Arduino Control

README.md

The library that is used: https://github.com/hjgode/homewatch/tree/master/arduino/libraries/NewRemoteSwitch

Control.uno

#include <NewRemoteTransmitter.h>

static unsigned long ADDRESS = 17503242; // TRUST AC3-1000R
static unsigned short DATA_PIN = 11; // Arduino 443Mhz transmitter's Data pin
static unsigned int PULSE_RATE = 250; // Pulse rate of the protocol

// Receives input switch_id: 0,1,2 state: 0,1 for (on-off)

void setup() {
  Serial.begin(9600);
}

void loop() {
  if (Serial.available()) {
    String command = Serial.readStringUntil('\n');
    unsigned int device = command.substring(0, 1).toInt();
    boolean onoff = false;
    if (command.substring(2, 3).toInt() == 0) {
      onoff = false;
    } else {
      onoff = true;
    }
    
    NewRemoteTransmitter transmitter(ADDRESS, DATA_PIN, PULSE_RATE);  
    transmitter.sendUnit(device, onoff);
    Serial.print(device);
    Serial.print(" ");
    Serial.print(onoff);
    Serial.println(" Message sent!");
  }
}

index.js

'use strict';

var exec = require('child_process').exec;

var Service, Characteristic;

module.exports = function(homebridge) {
  Service = homebridge.hap.Service;
  Characteristic = homebridge.hap.Characteristic;
  homebridge.registerAccessory('homebridge-okan-light', 'OkanLight', OkanAccessory);
};

function OkanAccessory(log, config) {
  
  let device = config.device;
  var command = config['command'] || "python3 /home/pi/light.py " + device + " ";

  var platform = this;
  this.log = log;
  this.name = config.name;
  this.service = new Service[config.service || 'Outlet'](this.name);

  this.service.getCharacteristic(Characteristic.On)
    .on('set', function(value, callback) {
      var switchOn = value ? true : false
      platform.log(config.name, "switch -> " + switchOn);
      var onoff = switchOn ? 1 : 0;
      var newCommand = command + onoff;
      platform.log(newCommand);
      
    exec(
    newCommand,
    {
      encoding: 'utf8',
      timeout: 10000,
      maxBuffer: 200*1024,
      killSignal: 'SIGTERM',
      cwd: null,
      env: null
    },
    function (err, stdout, stderr) {
    });

      callback();
  });
  

};

OkanAccessory.prototype.getServices = function() {
  return [this.service];
};

light.py

#!/usr/bin/env python3

# from raspberry pi to arduino through serial

import argparse
import serial 

parser = argparse.ArgumentParser()
parser.add_argument("device", type=int,
                    help="plug number is between 0-2.")

parser.add_argument("onoff", type=int,
                    help="on=1, off=0")

port = '/dev/ttyACM0'
rate = 9600


args = parser.parse_args()

device = args.device
onoff = args.onoff

s = serial.Serial(port, rate)
time.sleep(2) # waiting for arduino to wake up 
# FIXME: hardware solution to fix: https://playground.arduino.cc/Main/DisablingAutoResetOnSerialConnection/
# s.flushInput()
print('Given args:', device, onoff)
s.write('{} {}\n'.format(device, onoff).encode('ascii'))

s.close()

package.json

{
  "name": "homebridge-okan-light",
  "version": "1.0.0",
  "description": "Okan Light",
  "author": "Taha Dogan Gunes",
  "license": "MIT",
  "repository": {},
  "keywords": [
    "homebridge-plugin",
    "homebridge",
    "garage",
    "garagedoor",
    "home"
  ],
  "engines": {
    "node": ">=6.4.0",
    "homebridge": ">=0.3.0"
  },
  "dependencies": {},
  "devDependencies": {},
  "scripts": {}
}