2019-02-23 23:48:50 +01:00
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const byte led = D1;
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const byte button = D5;
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bool LEDstate = false;
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#include <ESP8266WiFi.h>
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#define WIFI_MODE_CLIENT //can be WIFI_MODE_MASTER
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// Replace with your network credentials
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2019-02-23 23:51:23 +01:00
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char* ssid = "<your SSID>";//"WIV"; //"DasSchmalter";
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char* password = "<your Password>";//"DF~12qa.40"; //"12345678";
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2019-02-23 23:48:50 +01:00
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// Set web server port number to 80
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WiFiServer server(80);
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String header;
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// the code for the whole ebinterface
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String webInterface = "<!DOCTYPE html>\n<html lang=\"de\">\n\n<head>\n\n<meta charset=\"utf-8\" />\n\n<title>Das Schmalter</title>\n\n<style>\n\t\n h1{\n text-align: center;\n }\n\t\n button{\n\t\twidth: 40%;\n\t height: 100px;\n\t\tdisplay: block;\n\t\tmargin-left: auto;\n\t\tmargin-right: auto;\n\t\tbackground-color: white;\n\t\tcolor:black;\n\t\tborder: 4px solid #4CAF50;\n\t\tborder-radius: 100px;\n\t\ttransition-duration: 0.8s;\n\t\tfont-size: 200%;\n }\n button:hover{\n background-color:#4CAF50;\n color:white;\n }\n\t\n\t.disabled{\n\t\topacity: 0.6;\n\t\tcursor: not-allowed;\n\t}\n\t\n\tdiv{\n\ttext-align:center;\n\tcolor:red;\n\tfont-size: 200%;\n\tmargin-top: 40px;\n\t}\n\t\n</style>\n\n<script>\n\nvar currentState=\"\";\nvar ipAdress = window.location.host;\nfunction getState(){\n\tsendRequest(\"http://\"+ipAdress+\"/api/state\");\n}\n\nfunction requestFinished(){\n\tif(this.readyState === 4 && this.status === 200){\n\t\tif(this.responseText !== \"\"){\n\t\t\n\t\t\tresponseObj = JSON.parse(this.responseText);\n\t\t\t\n\t\t\tif(responseObj[\"command\"] == \"state\"){\n\t\t\t\t\n\t\t\t\tcurrentState = responseObj[\"response\"];\n\t\t\t\t\n\t\t\t\tif(currentState == 'OFF'){\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"toggleLightBt\").classList.remove(\"disabled\");\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"toggleLightBt\").innerHTML = \"Turn on\";\n\t\t\t\n\t\t\t\t\tdocument.getElementById(\"errorDiv\").innerHTML = \"\";\n\t\t\t\t}\n\t\t\t\n\t\t\t\telse if(currentState == 'ON'){\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"toggleLightBt\").classList.remove(\"disabled\");\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"toggleLightBt\").innerHTML = \"Turn off\";\n\t\t\t\n\t\t\t\t\tdocument.getElementById(\"errorDiv\").innerHTML = \"\";\n\t\t\t\t}\n\t\t\t\n\t\t\t\telse{\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"toggleLightBt\").classList.add(\"disabled\");\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"toggleLightBt\").innerHTML = \"ERROR\";\n\t\t\t\t\t\n\t\t\t\t\tdocument.getElementById(\"errorDiv\").innerHTML = \"Unkwon error while connecting to Das Schmalter\";\n\t\t\t\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\t\t\n\t\t}\n\t}\n\telse if(this.readyState == 4){\n\t\tdocument.getElementById(\"toggleLightBt\").classList.add(\"disabled\");\n\t\tdocument.getElementById(\"errorDiv\").innerHTML = \"Error while connecting to Das Schmalter: \"+this.status\n\t}\n}\n\nfunction toggleLigth(){\n\tif(document.getElementById(\"toggleLightBt\").classList.contains(\"disabled\")){\n\t\treturn;\n\t}\n\tif(currentState == 'OFF'){\n\t\tsendRequest(\"http://\"+ipAdress+\"/api/on\")\n\t}\n\telse if(currentState == 'ON'){\n\t\tsendRequest(\"http://\"+ipAdress+\"/api/off\")\n\t}\n\telse{\n\t\talert(\"ERROR! \" + currentState);\n\t}\n\tgetState();\n}\nfunction sendRequest(link){\n xmlhttp = new XMLHttpRequest();\n xmlhttp.onreadystatechange = requestFinished;\n xmlhttp.open(\"GET\", link, true);\n xmlhttp.send();\n}\n\nsetInterval(function(){getState();},200)\n\n</script>\n\n</head>\n\n<body>\n\n<h1>Das Schmalter</h1>\n\n<div style=\"height:50px\"></div>\n\n<a><button id=\"toggleLightBt\" class=\"disabled\" onclick=\"toggleLigth()\">Turn on</button></a>\n\n<div id=\"errorDiv\"></div>\n\n</body>\n\n</html>";
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// Configure the static ip adress
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#ifdef WIFI_MODE_CLIENT
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IPAddress local_IP(192, 168, 4, 10);
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#endif
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#ifdef WIFI_MODE_MASTER
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IPAddress local_IP(192, 168, 4, 1);
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#endif
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IPAddress gateway(192, 168, 4, 1);
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IPAddress subnet(255, 255, 255, 0);
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volatile unsigned long oldTime = 0, debounceTime = 200;
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void toggleLED() {
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if ((millis() - oldTime) > debounceTime) {
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if (digitalRead(button) == LOW) {
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LEDstate = ! LEDstate;
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digitalWrite(led, LEDstate);
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}
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}
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oldTime = millis();
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}
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void setup() {
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// put your setup code here, to run once:
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pinMode(led, OUTPUT);
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pinMode(button, INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(button), toggleLED, FALLING);
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Serial.begin(9600);
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/*if (!WiFi.config(local_IP, gateway, subnet)) {
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//Serial.println("STA Failed to configure");
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} */
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#ifdef WIFI_MODE_MASTER
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//Serial.print("Configuring access point...");
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//WiFi.softAPConfig(local_IP, gateway, subnet);
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WiFi.softAP(ssid, password);
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IPAddress myIP = WiFi.softAPIP();
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//Serial.print("AP IP address: ");
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//Serial.println(myIP);
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#endif
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#ifdef WIFI_MODE_CLIENT
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WiFi.begin(ssid, password);
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Serial.print("Connecting to WiFi..");
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while (WiFi.status() != WL_CONNECTED) {
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delay(1000);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("Connected to the WiFi network");
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Serial.println(WiFi.localIP());
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#endif
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server.begin();
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}
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void loop() {
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// put your main code here, to run repeatedly:
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WiFiClient client = server.available(); // Listen for incoming clients
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if (client) { // If a new client connects,
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//Serial.println("New Client."); // print a message out in the serial port
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String currentLine = ""; // make a String to hold incoming data from the client
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while (client.connected()) { // loop while the client's connected
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if (client.available()) { // if there's bytes to read from the client,
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char c = client.read(); // read a byte, then
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//Serial.write(c); // print it out the serial monitor
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header += c;
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if (c == '\n') { // if the byte is a newline character
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// if the current line is blank, you got two newline characters in a row.
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// that's the end of the client HTTP request, so send a response:
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if (currentLine.length() == 0) {
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// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
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// and a content-type so the client knows what's coming, then a blank line:
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client.println("HTTP/1.1 200 OK");
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client.println("Content-type:text/html");
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client.println("Access-Control-Allow-Origin: *");
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client.println("Connection: close");
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client.println();
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// turns the GPIOs on and off
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if (header.indexOf("GET /api/on") >= 0) {
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//Serial.println("LAMP on");
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LEDstate = true;
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digitalWrite(led, HIGH);
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client.println("{\"command\":\"on\",\"response\":\"OK\"}");
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} else if (header.indexOf("GET /api/off") >= 0) {
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//Serial.println("LAMP off");
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LEDstate = false;
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digitalWrite(led, LOW);
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client.println("{\"command\":\"off\",\"response\":\"OK\"}");
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} else if (header.indexOf("GET /api/state") >= 0) {
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if(LEDstate) {
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client.println("{\"command\":\"state\",\"response\":\"ON\"}");
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}
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else {
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client.println("{\"command\":\"state\",\"response\":\"OFF\"}");
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}
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//Serial.println("LAMP status");
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}
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else {
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// Display the HTML web page
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client.println(webInterface);
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}
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// The HTTP response ends with another blank line
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client.println();
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// Break out of the while loop
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break;
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} else { // if you got a newline, then clear currentLine
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currentLine = "";
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}
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} else if (c != '\r') { // if you got anything else but a carriage return character,
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currentLine += c; // add it to the end of the currentLine
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}
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}
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}
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// Clear the header variable
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header = "";
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// Close the connection
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client.stop();
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//Serial.println("Client disconnected.");
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//Serial.println("");
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}
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}
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