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update with pigpio code

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Karl Hudgell 2020-09-12 17:26:47 +01:00
parent 392eedd69d
commit 428ae10d18
7 changed files with 510 additions and 5 deletions
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2
app.js
View File

@ -18,4 +18,4 @@ switchIn.watch((err, value) => {
common.request(1) common.request(1)
} }
} }
}); })

3
libs/globalVars.js
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@ -1,8 +1,5 @@
class globalVariables { class globalVariables {
waterOn = ""; waterOn = "";
miWatchIpaddress = "";
language = "";
usersList=[];
} }
module.exports = new globalVariables(); module.exports = new globalVariables();

346
package-lock.json generated
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@ -54,6 +54,53 @@
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6
package.json
View File

@ -9,8 +9,12 @@
"author": "", "author": "",
"license": "ISC", "license": "ISC",
"dependencies": { "dependencies": {
"fs": "0.0.1-security",
"got": "^11.6.2", "got": "^11.6.2",
"http": "0.0.1-security", "http": "0.0.1-security",
"onoff": "^6.0.0" "onoff": "^6.0.0",
"pigpio": "^3.2.3",
"raspberrypi-liquid-crystal": "^1.15.0",
"socket.io": "^2.3.0"
} }
} }

8
poll.js
View File

@ -4,6 +4,7 @@ const globalVars = require('./libs/globalVars')
const redLED = new Gpio('4', 'out'); const redLED = new Gpio('4', 'out');
const blueLED = new Gpio('27', 'out') const blueLED = new Gpio('27', 'out')
const greenLED = new Gpio('22', 'out')
setInterval(function () { setInterval(function () {
@ -30,15 +31,22 @@ setInterval(function () {
if (waterOn === 'true') { if (waterOn === 'true') {
redLED.writeSync(1) redLED.writeSync(1)
blueLED.writeSync(0) blueLED.writeSync(0)
greenLED.writeSync(0)
} else { } else {
blueLED.writeSync(1) blueLED.writeSync(1)
redLED.writeSync(0) redLED.writeSync(0)
greenLED.writeSync(0)
} }
}); });
}); });
// Report errors // Report errors
request.on('error', function (error) { request.on('error', function (error) {
redLED.writeSync(0)
blueLED.writeSync(0)
greenLED.writeSync(1)
console.log("Error while calling endpoint.", error); console.log("Error while calling endpoint.", error);
}); });

99
public/rgb.html Normal file
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@ -0,0 +1,99 @@
<!DOCTYPE html>
<html>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<style>
.slider {
-webkit-appearance: none;
width: 100%;
height: 15px;
border-radius: 5px;
background: #d3d3d3;
outline: none;
opacity: 0.7;
-webkit-transition: .2s;
transition: opacity .2s;
}
.slider:hover {opacity: 1;}
.slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 25px;
height: 25px;
border-radius: 50%;
cursor: pointer;
}
.slider::-moz-range-thumb {
width: 25px;
height: 25px;
border-radius: 50%;
background: #4CAF50;
cursor: pointer;
}
#redSlider::-webkit-slider-thumb {background: red;}
#redSlider::-moz-range-thumb {background: red;}
#greenSlider::-webkit-slider-thumb {background: green;}
#greenSlider::-moz-range-thumb {background: green;}
#blueSlider::-webkit-slider-thumb {background: blue;}
#blueSlider::-moz-range-thumb {background: blue;}
</style>
<body>
<div class="w3-container">
<h1>RGB Color</h1>
<div class="w3-cell-row">
<div class="w3-container w3-cell w3-mobile">
<p><input type="range" min="0" max="255" value="0" class="slider" id="redSlider"></p>
<p><input type="range" min="0" max="255" value="0" class="slider" id="greenSlider"></p>
<p><input type="range" min="0" max="255" value="0" class="slider" id="blueSlider"></p>
</div>
<div class="w3-container w3-cell w3-mobile" style="background-color:black" id="colorShow">
<div></div>
</div>
</div>
<p>Or pick a color: <input type="color" id="pickColor"></p>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.3/socket.io.js"></script>
<script src="https://www.w3schools.com/lib/w3color.js"></script>
<script>
var socket = io(); //load socket.io-client and connect to the host that serves the page
var rgb = w3color("rgb(0,0,0)"); //we use the w3color.js library to keep the color as an object
window.addEventListener("load", function(){ //when page loads
var rSlider = document.getElementById("redSlider");
var gSlider = document.getElementById("greenSlider");
var bSlider = document.getElementById("blueSlider");
var picker = document.getElementById("pickColor");
rSlider.addEventListener("change", function() { //add event listener for when red slider changes
rgb.red = this.value; //update the RED color according to the slider
colorShow.style.backgroundColor = rgb.toRgbString(); //update the "Current color"
socket.emit("rgbLed", rgb); //send the updated color to RGB LED via WebSocket
});
gSlider.addEventListener("change", function() { //add event listener for when green slider changes
rgb.green = this.value; //update the GREEN color according to the slider
colorShow.style.backgroundColor = rgb.toRgbString(); //update the "Current color"
socket.emit("rgbLed", rgb); //send the updated color to RGB LED via WebSocket
});
bSlider.addEventListener("change", function() { //add event listener for when blue slider changes
rgb.blue = this.value; //update the BLUE color according to the slider
colorShow.style.backgroundColor = rgb.toRgbString(); //update the "Current color"
socket.emit("rgbLed", rgb); //send the updated color to RGB LED via WebSocket
});
picker.addEventListener("input", function() { //add event listener for when colorpicker changes
rgb.red = w3color(this.value).red; //Update the RED color according to the picker
rgb.green = w3color(this.value).green; //Update the GREEN color according to the picker
rgb.blue = w3color(this.value).blue; //Update the BLUE color according to the picker
colorShow.style.backgroundColor = rgb.toRgbString(); //update the "Current color"
rSlider.value = rgb.red; //Update the RED slider position according to the picker
gSlider.value = rgb.green; //Update the GREEN slider position according to the picker
bSlider.value = rgb.blue; //Update the BLUE slider position according to the picker
socket.emit("rgbLed", rgb); //send the updated color to RGB LED via WebSocket
});
});
</script>
</body>
</html>

51
rgb.js Normal file
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@ -0,0 +1,51 @@
var http = require('http').createServer(handler); //require http server, and create server with function handler()
var fs = require('fs'); //require filesystem module
var io = require('socket.io')(http) //require socket.io module and pass the http object (server)
var Gpio = require('pigpio').Gpio, //include pigpio to interact with the GPIO
ledRed = new Gpio(4, {mode: Gpio.OUTPUT}), //use GPIO pin 4 as output for RED
ledGreen = new Gpio(22, {mode: Gpio.OUTPUT}), //use GPIO pin 17 as output for GREEN
ledBlue = new Gpio(27, {mode: Gpio.OUTPUT}), //use GPIO pin 27 as output for BLUE
redRGB = 0, //set starting value of RED variable to off (0 for common cathode)
greenRGB = 0, //set starting value of GREEN variable to off (0 for common cathode)
blueRGB = 0; //set starting value of BLUE variable to off (0 for common cathode)
//RESET RGB LED
ledRed.digitalWrite(0); // Turn RED LED off
ledGreen.digitalWrite(0); // Turn GREEN LED off
ledBlue.digitalWrite(0); // Turn BLUE LED off
http.listen(8080); //listen to port 8080
function handler (req, res) { //what to do on requests to port 8080
fs.readFile(__dirname + '/public/rgb.html', function(err, data) { //read file rgb.html in public folder
if (err) {
res.writeHead(404, {'Content-Type': 'text/html'}); //display 404 on error
return res.end("404 Not Found");
}
res.writeHead(200, {'Content-Type': 'text/html'}); //write HTML
res.write(data); //write data from rgb.html
return res.end();
});
}
io.sockets.on('connection', function (socket) {// Web Socket Connection
socket.on('rgbLed', function(data) { //get light switch status from client
console.log(data); //output data from WebSocket connection to console
//for common cathode RGB LED 0 is fully off, and 255 is fully on
redRGB=parseInt(data.red);
greenRGB=parseInt(data.green);
blueRGB=parseInt(data.blue);
ledRed.pwmWrite(redRGB); //set RED LED to specified value
ledGreen.pwmWrite(greenRGB); //set GREEN LED to specified value
ledBlue.pwmWrite(blueRGB); //set BLUE LED to specified value
});
});
process.on('SIGINT', function () { //on ctrl+c
ledRed.digitalWrite(0); // Turn RED LED off
ledGreen.digitalWrite(0); // Turn GREEN LED off
ledBlue.digitalWrite(0); // Turn BLUE LED off
process.exit(); //exit completely
});