2019-03-16 21:05:26 +01:00
|
|
|
/*
|
|
|
|
|
DasSchmalter - The smart switch
|
|
|
|
|
Copyright (C) 2019 Itsblue Development ( contact@itsblue.de )
|
|
|
|
|
|
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
|
|
|
it under the terms of the GNU Affero General Public License as published
|
|
|
|
|
by the Free Software Foundation, either version 3 of the License, or
|
|
|
|
|
(at your option) any later version.
|
|
|
|
|
|
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
GNU Affero General Public License for more details.
|
|
|
|
|
|
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
*/
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
#include <ESP8266WiFi.h>
|
|
|
|
|
|
2019-03-16 20:21:00 +01:00
|
|
|
// !!IMPORTANT!!
|
|
|
|
|
// You need to rename the file 'env.h.example' to 'env.h' otherwise this line will throw an error !!
|
|
|
|
|
// All user specific variables (like wifi password and ssid) are configured in that file !!
|
|
|
|
|
|
|
|
|
|
#include "env.h"
|
2019-02-23 23:48:50 +01:00
|
|
|
|
2019-03-16 20:21:00 +01:00
|
|
|
// helper vars
|
|
|
|
|
String header;
|
|
|
|
|
bool LEDstate = false;
|
|
|
|
|
volatile unsigned long oldTime = 0, debounceTime = 200;
|
2019-02-23 23:48:50 +01:00
|
|
|
|
2019-03-16 20:21:00 +01:00
|
|
|
// the HTML code for the whole ebinterface, can be called with http://<ip-adress>/
|
|
|
|
|
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.test{\n\t\tmargin-left:auto;\n\t\tmargin-right:auto;\n\t}\n h1{\n text-align: center;\n }\n\t.switch {\t\n position: relative;\n display: inline-block;\n width: 120px;\n height: 68px;\n}\n\n.switch input {\n opacity: 0;\n width: 0;\n height: 0;\n}\n\n.slider {\n position: absolute;\n cursor: pointer;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background-color: #ccc;\n -webkit-transition: .4s;\n transition: .4s;\n}\n\n.slider:before {\n position: absolute;\n content: \"\";\n height: 52px;\n width: 52px;\n left: 8px;\n bottom: 8px;\n background-color: white;\n -webkit-transition: .4s;\n transition: .4s;\n}\n\ninput:checked + .slider {\n background-color: #2196F3;\n}\n\ninput:focus + .slider {\n box-shadow: 0 0 1px #2196F3;\n}\n\ninput:checked + .slider:before {\n -webkit-transform: translateX(52px);\n -ms-transform: translateX(52px);\n transform: translateX(52px);\n}\n\n/* Rounded sliders */\n.slider.round {\n border-radius: 34px;\n}\n\n.slider.round:before {\n border-radius: 50%;\n}\n\t\n\tdiv{\n\ttext-align:center;\n\tcolor:red;\n\tfont-size: 150%;\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\").checked = false;\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\").checked = true;\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\tdocument.getElementById(\"errorDiv\").innerHTML = \"\";\n\t\t\n\t\t}\n\t}\n\telse if(this.readyState == 4){\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<div class=\"test\">\n<label class=\"switch\">\n <input type=\"checkbox\" onclick=\"toggleLigth()\" id=\"toggleLightBt\" class=\"test\">\n <span class=\"slider round\" class=\"test\"></span>\n</label>\n<div>\n\n<div id=\"errorDiv\"></div>\n\n</body>\n\n</html>";
|
|
|
|
|
// older version of the web interface, can be called with http://<ip-adress>/old
|
|
|
|
|
String oldWebInterface = "<!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>";
|
2019-02-23 23:48:50 +01:00
|
|
|
|
|
|
|
|
// Set web server port number to 80
|
|
|
|
|
WiFiServer server(80);
|
|
|
|
|
|
|
|
|
|
|
2019-03-16 20:21:00 +01:00
|
|
|
void handleInterrupt() {
|
|
|
|
|
// function to handle the external hardware switch
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
if ((millis() - oldTime) > debounceTime) {
|
|
|
|
|
if (digitalRead(button) == LOW) {
|
|
|
|
|
LEDstate = ! LEDstate;
|
|
|
|
|
digitalWrite(led, LEDstate);
|
|
|
|
|
}
|
|
|
|
|
}
|
2019-03-16 20:21:00 +01:00
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
oldTime = millis();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void setup() {
|
2019-03-16 20:21:00 +01:00
|
|
|
// configure all pins
|
2019-02-23 23:48:50 +01:00
|
|
|
pinMode(led, OUTPUT);
|
|
|
|
|
pinMode(button, INPUT_PULLUP);
|
2019-03-16 20:21:00 +01:00
|
|
|
|
|
|
|
|
// attach an interrupt for the hardware switch
|
|
|
|
|
attachInterrupt(digitalPinToInterrupt(button), handleInterrupt, FALLING);
|
|
|
|
|
|
|
|
|
|
// start the serial monitor
|
2019-02-23 23:48:50 +01:00
|
|
|
Serial.begin(9600);
|
|
|
|
|
|
|
|
|
|
#ifdef WIFI_MODE_MASTER
|
2019-03-16 20:21:00 +01:00
|
|
|
// wifi mode master -> configure an access point
|
|
|
|
|
Serial.print("Configuring access point...");
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
WiFi.softAP(ssid, password);
|
|
|
|
|
|
|
|
|
|
IPAddress myIP = WiFi.softAPIP();
|
2019-03-16 20:21:00 +01:00
|
|
|
Serial.print("AP IP address: ");
|
|
|
|
|
Serial.println(myIP);
|
2019-02-23 23:48:50 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef WIFI_MODE_CLIENT
|
2019-03-16 20:21:00 +01:00
|
|
|
// wifi mode client -> connect to given wifi network
|
2019-02-23 23:48:50 +01:00
|
|
|
WiFi.begin(ssid, password);
|
|
|
|
|
Serial.print("Connecting to WiFi..");
|
2019-03-16 20:21:00 +01:00
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
|
|
|
delay(1000);
|
|
|
|
|
Serial.print(".");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Serial.println("");
|
|
|
|
|
Serial.println("Connected to the WiFi network");
|
|
|
|
|
Serial.println(WiFi.localIP());
|
|
|
|
|
#endif
|
|
|
|
|
|
2019-03-16 20:21:00 +01:00
|
|
|
// start the web server
|
2019-02-23 23:48:50 +01:00
|
|
|
server.begin();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void loop() {
|
2019-03-16 20:21:00 +01:00
|
|
|
// check if a client has sent a request
|
|
|
|
|
WiFiClient client = server.available();
|
|
|
|
|
|
|
|
|
|
if (client) {
|
|
|
|
|
// if a client has connected
|
|
|
|
|
|
|
|
|
|
// string to hold incoming data from the client
|
|
|
|
|
String currentLine = "";
|
|
|
|
|
while (client.connected()) {
|
|
|
|
|
// while the client is connected we're in this loop
|
|
|
|
|
|
|
|
|
|
if (client.available()) {
|
|
|
|
|
// if the client has sent some data
|
|
|
|
|
|
|
|
|
|
// read id
|
|
|
|
|
char c = client.read();
|
2019-02-23 23:48:50 +01:00
|
|
|
header += c;
|
2019-03-16 20:21:00 +01:00
|
|
|
|
|
|
|
|
if (c == '\n') {
|
|
|
|
|
// if the data was a new line char
|
2019-02-23 23:48:50 +01:00
|
|
|
if (currentLine.length() == 0) {
|
2019-03-16 20:21:00 +01:00
|
|
|
// if the current line is empty -> client request (HTTP header) is over
|
|
|
|
|
// => send response to client
|
|
|
|
|
|
|
|
|
|
// send HTTP header
|
2019-02-23 23:48:50 +01:00
|
|
|
client.println("HTTP/1.1 200 OK");
|
|
|
|
|
client.println("Content-type:text/html");
|
|
|
|
|
client.println("Access-Control-Allow-Origin: *");
|
|
|
|
|
client.println("Connection: close");
|
|
|
|
|
client.println();
|
|
|
|
|
|
2019-03-16 20:21:00 +01:00
|
|
|
// check what the client wants ...
|
2019-02-23 23:48:50 +01:00
|
|
|
if (header.indexOf("GET /api/on") >= 0) {
|
2019-03-16 20:21:00 +01:00
|
|
|
// ... turn the lamp on
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
LEDstate = true;
|
|
|
|
|
digitalWrite(led, HIGH);
|
|
|
|
|
client.println("{\"command\":\"on\",\"response\":\"OK\"}");
|
2019-03-16 20:21:00 +01:00
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
} else if (header.indexOf("GET /api/off") >= 0) {
|
2019-03-16 20:21:00 +01:00
|
|
|
// ... turn the lamp off
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
LEDstate = false;
|
|
|
|
|
digitalWrite(led, LOW);
|
|
|
|
|
client.println("{\"command\":\"off\",\"response\":\"OK\"}");
|
2019-03-16 20:21:00 +01:00
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
} else if (header.indexOf("GET /api/state") >= 0) {
|
2019-03-16 20:21:00 +01:00
|
|
|
// ... get the state of the lamp
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
if(LEDstate) {
|
|
|
|
|
client.println("{\"command\":\"state\",\"response\":\"ON\"}");
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
client.println("{\"command\":\"state\",\"response\":\"OFF\"}");
|
|
|
|
|
}
|
2019-03-16 20:21:00 +01:00
|
|
|
|
|
|
|
|
} else if (header.indexOf("GET /old") >= 0) {
|
|
|
|
|
// ... get the old HTML web page
|
|
|
|
|
|
|
|
|
|
client.println(oldWebInterface);
|
2019-02-23 23:48:50 +01:00
|
|
|
}
|
|
|
|
|
else {
|
2019-03-16 20:21:00 +01:00
|
|
|
// ... get the HTML web page
|
|
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
client.println(webInterface);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// The HTTP response ends with another blank line
|
|
|
|
|
client.println();
|
|
|
|
|
// Break out of the while loop
|
|
|
|
|
break;
|
2019-03-16 20:21:00 +01:00
|
|
|
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
// if we got a newline -> clear currentLine
|
2019-02-23 23:48:50 +01:00
|
|
|
currentLine = "";
|
|
|
|
|
}
|
2019-03-16 20:21:00 +01:00
|
|
|
} else if (c != '\r') {
|
|
|
|
|
// if the data was anything but a carriage return character -> add it to the end of the currentLine
|
|
|
|
|
currentLine += c;
|
2019-02-23 23:48:50 +01:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// Clear the header variable
|
|
|
|
|
header = "";
|
2019-03-16 20:21:00 +01:00
|
|
|
|
2019-02-23 23:48:50 +01:00
|
|
|
// Close the connection
|
|
|
|
|
client.stop();
|
|
|
|
|
}
|
|
|
|
|
}
|
