133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
/*
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* WebSocketServerAllFunctionsDemo.ino
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*
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* Created on: 10.05.2018
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*
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*/
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WiFiMulti.h>
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#include <WebSocketsServer.h>
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#include <ESP8266WebServer.h>
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#include <ESP8266mDNS.h>
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#include <Hash.h>
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#define LED_RED 15
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#define LED_GREEN 12
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#define LED_BLUE 13
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#define USE_SERIAL Serial
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ESP8266WiFiMulti WiFiMulti;
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ESP8266WebServer server(80);
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WebSocketsServer webSocket = WebSocketsServer(81);
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void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
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switch(type) {
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case WStype_DISCONNECTED:
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USE_SERIAL.printf("[%u] Disconnected!\n", num);
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break;
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case WStype_CONNECTED: {
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IPAddress ip = webSocket.remoteIP(num);
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USE_SERIAL.printf("[%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);
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// send message to client
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webSocket.sendTXT(num, "Connected");
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}
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break;
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case WStype_TEXT:
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USE_SERIAL.printf("[%u] get Text: %s\n", num, payload);
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if(payload[0] == '#') {
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// we get RGB data
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// decode rgb data
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uint32_t rgb = (uint32_t) strtol((const char *) &payload[1], NULL, 16);
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analogWrite(LED_RED, ((rgb >> 16) & 0xFF));
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analogWrite(LED_GREEN, ((rgb >> 8) & 0xFF));
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analogWrite(LED_BLUE, ((rgb >> 0) & 0xFF));
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}
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break;
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}
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}
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void setup() {
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//USE_SERIAL.begin(921600);
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USE_SERIAL.begin(115200);
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//USE_SERIAL.setDebugOutput(true);
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USE_SERIAL.println();
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USE_SERIAL.println();
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USE_SERIAL.println();
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for(uint8_t t = 4; t > 0; t--) {
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USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t);
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USE_SERIAL.flush();
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delay(1000);
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}
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pinMode(LED_RED, OUTPUT);
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pinMode(LED_GREEN, OUTPUT);
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pinMode(LED_BLUE, OUTPUT);
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digitalWrite(LED_RED, 1);
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digitalWrite(LED_GREEN, 1);
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digitalWrite(LED_BLUE, 1);
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WiFiMulti.addAP("SSID", "passpasspass");
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while(WiFiMulti.run() != WL_CONNECTED) {
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delay(100);
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}
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// start webSocket server
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webSocket.begin();
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webSocket.onEvent(webSocketEvent);
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if(MDNS.begin("esp8266")) {
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USE_SERIAL.println("MDNS responder started");
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}
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// handle index
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server.on("/", []() {
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// send index.html
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server.send(200, "text/html", "<html><head><script>var connection = new WebSocket('ws://'+location.hostname+':81/', ['arduino']);connection.onopen = function () { connection.send('Connect ' + new Date()); }; connection.onerror = function (error) { console.log('WebSocket Error ', error);};connection.onmessage = function (e) { console.log('Server: ', e.data);};function sendRGB() { var r = parseInt(document.getElementById('r').value).toString(16); var g = parseInt(document.getElementById('g').value).toString(16); var b = parseInt(document.getElementById('b').value).toString(16); if(r.length < 2) { r = '0' + r; } if(g.length < 2) { g = '0' + g; } if(b.length < 2) { b = '0' + b; } var rgb = '#'+r+g+b; console.log('RGB: ' + rgb); connection.send(rgb); }</script></head><body>LED Control:<br/><br/>R: <input id=\"r\" type=\"range\" min=\"0\" max=\"255\" step=\"1\" oninput=\"sendRGB();\" /><br/>G: <input id=\"g\" type=\"range\" min=\"0\" max=\"255\" step=\"1\" oninput=\"sendRGB();\" /><br/>B: <input id=\"b\" type=\"range\" min=\"0\" max=\"255\" step=\"1\" oninput=\"sendRGB();\" /><br/></body></html>");
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});
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server.begin();
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// Add service to MDNS
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MDNS.addService("http", "tcp", 80);
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MDNS.addService("ws", "tcp", 81);
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digitalWrite(LED_RED, 0);
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digitalWrite(LED_GREEN, 0);
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digitalWrite(LED_BLUE, 0);
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}
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unsigned long last_10sec = 0;
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unsigned int counter = 0;
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void loop() {
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unsigned long t = millis();
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webSocket.loop();
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server.handleClient();
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if((t - last_10sec) > 10 * 1000) {
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counter++;
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bool ping = (counter % 2);
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int i = webSocket.connectedClients(ping);
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USE_SERIAL.printf("%d Connected websocket clients ping: %d\n", i, ping);
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last_10sec = millis();
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}
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}
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