projector/lights.js at master · AlieGG/projector · GitHub

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/////////////
//VARIABLES//
/////////////

var zmq = require('zeromq');// Asynchronous Messaging Framework
var matrix_io = require('matrix-protos').matrix_io;// Protocol Buffers for MATRIX function
var matrix_ip = '127.0.0.1';// Local IP
var matrix_everloop_base_port = 20021;// Port for Everloop driver
var matrix_device_leds = 0;// Holds amount of LEDs on MATRIX device

var methods = {};//declaration of method  controls at the end

var white = 0;
var red = 0;
var green = 0;
var blue = 0;

//////////////
//ERROR PORT//
//////////////

// Create a Subscriber socket
var errorSocket = zmq.socket('sub');
// Connect Subscriber to Error port
errorSocket.connect('tcp://' + matrix_ip + ':' + (matrix_everloop_base_port + 2));
// Connect Subscriber to Error port
errorSocket.subscribe('');
// On Message
errorSocket.on('message', function(error_message){
  console.log('Error received: ' + error_message.toString('utf8'));// Log error
});

///////////////////
//KEEP ALIVE PORT//
///////////////////

// Create a Pusher socket
var pingSocket = zmq.socket('push')
// Connect Pusher to Keep-alive port
pingSocket.connect('tcp://' + matrix_ip + ':' + (matrix_everloop_base_port + 1));
// Send a single ping
pingSocket.send('');

////////////////////
//DATA UPDATE PORT//
////////////////////

// Create a Subscriber socket
var updateSocket = zmq.socket('sub');
// Connect Subscriber to Data Update port
updateSocket.connect('tcp://' + matrix_ip + ':' + (matrix_everloop_base_port + 3));
// Subscribe to messages
updateSocket.subscribe('');
// On Message
updateSocket.on('message', function(buffer){
    var data = matrix_io.malos.v1.io.EverloopImage.decode(buffer);// Extract message
    matrix_device_leds = data.everloopLength;// Save MATRIX device LED count
});

/////////////
//BASE PORT//
/////////////

// Create a Pusher socket
var configSocket = zmq.socket('push');
// Connect Pusher to Base Port
configSocket.connect('tcp://' + matrix_ip + ':' + matrix_everloop_base_port);

// Create an empty Everloop image
var image = matrix_io.malos.v1.io.EverloopImage.create();

///////////////////////
//ALL LIGHTS FUNCTION//
///////////////////////

function allLights(red, green, blue, white){

    // For each device LED
    for (var i = 0; i < matrix_device_leds; ++i) {
        // Set individual LED value
        image.led[i] = {
        red: red,
        green: green,
        blue: blue,
        white: white
        };
    }

    // Store the Everloop image in MATRIX configuration
    var config = matrix_io.malos.v1.driver.DriverConfig.create({
        'image': image
    });

    // Send MATRIX configuration to MATRIX device
    if(matrix_device_leds > 0)
        configSocket.send(matrix_io.malos.v1.driver.DriverConfig.encode(config).finish());

};


methods.lightsOn = function() {

    allLights(255,255,255,255);

    console.log("All Lights On")

};

methods.lightsOff = function() {

    allLights(0,0,0,0);

    console.log("All Lights Off")

};

methods.lightsSliderWhite = function(value) {

    white = value;

    allLights(red,green,blue,white);

    console.log("Light Slider Activated -- White: ", value)

};

methods.lightsSliderRed = function(value) {

    red = value;

    allLights(red,green,blue,white);

    console.log("Light Slider Activated -- Red: ", value)

};

methods.lightsSliderGreen = function(value) {

    green = value;

    allLights(red,green,blue,white);

    console.log("Light Slider Activated -- Green: ", value)

};

methods.lightsSliderBlue = function(value) {

    blue = value;

    allLights(red,green,blue,white);

    console.log("Light Slider Activated -- Blue: ", value)

};

//////////////////
//EXPORT METHODS//
//////////////////

module.exports = methods;