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@tuenhidiy

tuenhidiy/WIRELESS LAMP CONTROL

Last active April 12, 2018 17:07
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WIRELESS LAMP
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WIRELESS LAMP CONTROL
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
const char* ssid = "FPT-Telecom";
const char* password = "tuenhidiy";
ESP8266WebServer server(80);
const int R = 14;
const int G = 12;
const int B = 13;
void handleRoot() {
String red = server.arg(0); // read RGB arguments
String green = server.arg(1);
String blue = server.arg(2);
analogWrite(R, red.toInt());
analogWrite(G, green.toInt());
analogWrite(B, blue.toInt());
Serial.println(red.toInt()); // for TESTING
Serial.println(green.toInt()); // for TESTING
Serial.println(blue.toInt()); // for TESTING
String webpage;
webpage += "<!DOCTYPE HTML>\r\n";
webpage += "<html>\r\n";
webpage += "<header><title>ESP8266 RGB LED</title><h1>ESP8266 RGBLED</h1></header>";
webpage += "<head>";
webpage += "<meta name='mobile-web-app-capable' content='yes' />";
webpage += "<meta name='viewport' content='width=device-width' />";
webpage += "</head>";
webpage += "<body style='margin: 0px; padding: 0px;'>";
webpage += "<canvas id='colorspace'></canvas></body>";
webpage += "<script type='text/javascript'>";
webpage += "(function () {";
webpage += " var canvas = document.getElementById('colorspace');";
webpage += " var ctx = canvas.getContext('2d');";
webpage += " function drawCanvas() {";
webpage += " var colours = ctx.createLinearGradient(0, 0, window.innerWidth, 0);";
webpage += " for(var i=0; i <= 360; i+=10) {";
webpage += " colours.addColorStop(i/360, 'hsl(' + i + ', 100%, 50%)');";
webpage += " }";
webpage += " ctx.fillStyle = colours;";
webpage += " ctx.fillRect(0, 0, window.innerWidth, window.innerHeight);";
webpage += " var luminance = ctx.createLinearGradient(0, 0, 0, ctx.canvas.height);";
webpage += " luminance.addColorStop(0, '#ffffff');";
webpage += " luminance.addColorStop(0.05, '#ffffff');";
webpage += " luminance.addColorStop(0.5, 'rgba(0,0,0,0)');";
webpage += " luminance.addColorStop(0.95, '#000000');";
webpage += " luminance.addColorStop(1, '#000000');";
webpage += " ctx.fillStyle = luminance;";
webpage += " ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);";
webpage += " }";
webpage += " var eventLocked = false;";
webpage += " function handleEvent(clientX, clientY) {";
webpage += " if(eventLocked) {";
webpage += " return;";
webpage += " }";
webpage += " function colourCorrect(v) {";
webpage += " return Math.round(1023-(v*v)/64);";
webpage += " }";
webpage += " var data = ctx.getImageData(clientX, clientY, 1, 1).data;";
webpage += " var params = [";
webpage += " 'r=' + colourCorrect(data[0]),";
webpage += " 'g=' + colourCorrect(data[1]),";
webpage += " 'b=' + colourCorrect(data[2])";
webpage += " ].join('&');";
webpage += " var req = new XMLHttpRequest();";
webpage += " req.open('POST', '?' + params, true);";
webpage += " req.send();";
webpage += " eventLocked = true;";
webpage += " req.onreadystatechange = function() {";
webpage += " if(req.readyState == 4) {";
webpage += " eventLocked = false;";
webpage += " }";
webpage += " }";
webpage += " }";
webpage += " canvas.addEventListener('click', function(event) {";
webpage += " handleEvent(event.clientX, event.clientY, true);";
webpage += " }, false);";
webpage += " canvas.addEventListener('touchmove', function(event){";
webpage += " handleEvent(event.touches[0].clientX, event.touches[0].clientY);";
webpage += "}, false);";
webpage += " function resizeCanvas() {";
webpage += " canvas.width = window.innerWidth;";
webpage += " canvas.height = window.innerHeight;";
webpage += " drawCanvas();";
webpage += " }";
webpage += " window.addEventListener('resize', resizeCanvas, false);";
webpage += " resizeCanvas();";
webpage += " drawCanvas();";
webpage += " document.ontouchmove = function(e) {e.preventDefault()};";
webpage += " })();";
webpage += "</script><html>\r\n";
server.send(200, "text/html", webpage);
}
void testRGB() { // fade in and out of Red, Green, Blue
analogWrite(R, 1023); // R off
analogWrite(G, 1023); // G off
analogWrite(B, 1023); // B off
fade(R); // R
fade(G); // G
fade(B); // B
}
void fade(int pin) {
for (int u = 0; u < 1024; u++) {
analogWrite(pin, 1023 - u);
delay(1);
}
for (int u = 0; u < 1024; u++) {
analogWrite(pin, u);
delay(1);
}
}
void handleNotFound(){
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET)?"GET":"POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i=0; i<server.args(); i++){
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
}
void setup(void){
pinMode(R, OUTPUT);
pinMode(G, OUTPUT);
pinMode(B, OUTPUT);
analogWrite(R, 600); // R
analogWrite(G, 600); // G
analogWrite(B, 600); // B
Serial.begin(115200);
WiFi.begin(ssid, password);
Serial.println("");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
if (MDNS.begin("esp8266")) {
Serial.println("MDNS responder started");
}
server.on("/", handleRoot);
testRGB();
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}
void loop(void){
server.handleClient();
}
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