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gemi254
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Added connection control example
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‎examples/ControlAssist-ConnectionCtrl/ControlAssist-ConnectionCtrl.ino

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#if defined(ESP32)
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#include <ESPmDNS.h>
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#include <WebServer.h>
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#define WEB_SERVER WebServer
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#define ADC_PIN 36
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#else
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#include <ESP8266mDNS.h>
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#include <ESP8266WebServer.h>
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#define WEB_SERVER ESP8266WebServer
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#define ADC_PIN A0
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#endif
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#define LOGGER_LOG_LEVEL 5 // Define log level for this module
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#include <ControlAssist.h> // Control assist class
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const char st_ssid[]="mdk3"; // Put connection SSID here. On empty an AP will be started
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const char st_pass[]="2843028858"; // Put your wifi passowrd.
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unsigned long pingMillis = millis(); // Ping millis
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unsigned long disconnMillis = millis(); // Wifi disconnect millis
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ControlAssist ctrl; // Control assist class
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WEB_SERVER server(80); // Web server on port 80
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time_t disconTime = 10 * 1000; // Wifi disconnection duration
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PROGMEM const char HTML_BODY[] = R"=====(
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<style>
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body {text-align: center;}
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#conLed {
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width: 10px;
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height: 10px;
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background-color: lightGray;
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border-radius: 10px;
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margin-left: 95%;
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}
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#conLed.on {
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background-color: lightGreen;
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border: 1px solid #4CAF50;
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}
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th{ text-align: right;}
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</style>
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<body>
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<div style="text-align:left;display:inline-block;min-width:340px;">
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<div style="text-align:center;color:#eaeaea;">
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<h1>ControlAssist Websockets connection</h1>
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</div>
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<div>
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<table border="0" style="width: 100%;" cellspacing="10">
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<tr>
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<th>MacAddress</th>
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<td><span id="mac_address">AA:DD:CC:EE:FF:KK</span></td>
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</tr>
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<tr>
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<th>Wifi RSSI </th>
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<td><input title="Range control" type="range" id="wifi_rssi" name="wifi_rssi" min="-120" max="0" value="0"></td>
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</tr>
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<tr>
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<th>Disconnect</th>
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<td>
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<button type="button" title="Disconnect WiFi" id="disconnect_button">Disconnect</button>&nbsp;WiFi for
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<input type="text" title="Enter wifi disconnect seconds" id="sleep_time" value="" style="width: 30px">&nbsp;Seconds
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</td>
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</tr>
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<tr><td>&nbsp;</td></tr>
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<tr>
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<td><div id="conLed">&nbsp;</td>
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<td></div><span id="wsStatus" style="display: none1;">Disconnected</span></td>
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</tr>
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</table>
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</div>
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</div>
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</body>
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<script>
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document.getElementById("wsStatus").addEventListener("change", (event) => {
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conLed = document.getElementById("conLed")
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if(event.target.innerHTML.startsWith("Connected: ")){
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conLed.classList.add("on");
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}else{
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conLed.classList.remove("on");
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}
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conLed.title = event.target.innerHTML
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});
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</script>
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)=====";
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// Disconnect WiFi
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void disconnect(){
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LOG_D("Disconnect WiFi for %s seconds\n", String(disconTime / 1000L).c_str());
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ctrl.put("wifi_rssi", -120 );
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ctrl.loop();
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ctrl.sendSystemMsg("C");
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time_t s = millis();
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while(millis() - s < 100 )
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ctrl.loop();
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WiFi.disconnect();
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disconnMillis = millis();
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}
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// Change handler to handle websockets changes
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void changeHandler(uint8_t ndx){
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String key = ctrl[ndx].key;
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if(key == "sleep_time" )
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disconTime = ctrl[key].toInt() * 1000;
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else if(key == "disconnect_button")
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disconnect();
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LOG_D("changeHandler: ndx: %02i, key: %s = %s\n",ndx, key.c_str(), ctrl[key].c_str());
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}
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// Connect WiFi
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void connect(){
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if(WiFi.status() == WL_CONNECTED ) return;
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// Connect WIFI ?
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if(strlen(st_ssid)>0){
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LOG_E("Connect Wifi to %s.\n", st_ssid);
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WiFi.mode(WIFI_STA);
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WiFi.begin(st_ssid, st_pass);
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uint32_t startAttemptTime = millis();
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while (WiFi.status() != WL_CONNECTED && millis() - startAttemptTime < 20000) {
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Serial.print(".");
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delay(500);
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Serial.flush();
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}
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Serial.println();
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}
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// Check connection
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if(WiFi.status() == WL_CONNECTED ){
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LOG_I("Wifi AP SSID: %s connected, use 'http://%s' to connect\n", st_ssid, WiFi.localIP().toString().c_str());
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}else{
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LOG_E("Connect failed.\n");
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LOG_I("Starting AP.\n");
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String mac = WiFi.macAddress();
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mac.replace(":","");
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String hostName = "ControlAssist_" + mac.substring(6);
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WiFi.mode(WIFI_AP);
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WiFi.softAP(hostName.c_str(),"",1);
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LOG_I("Wifi AP SSID: %s started, use 'http://%s' to connect\n", WiFi.softAPSSID().c_str(), WiFi.softAPIP().toString().c_str());
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if (MDNS.begin(hostName.c_str())) LOG_V("AP MDNS responder Started\n");
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}
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}
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void setup() {
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Serial.begin(115200);
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Serial.print("\n\n\n\n");
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Serial.flush();
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LOG_I("Starting..\n");
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// Connect WiFi
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connect();
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// Control assist setup
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ctrl.setHtmlBody(HTML_BODY);
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ctrl.bind("mac_address", WiFi.macAddress().c_str() );
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ctrl.bind("wifi_rssi");
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ctrl.bind("sleep_time", disconTime / 1000);
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ctrl.bind("disconnect_button");
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ctrl.setAutoSendOnCon(true);
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// Every time a variable changed changeHandler will be called
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ctrl.setGlobalCallback(changeHandler);
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// Start web sockets
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ctrl.begin();
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//ctrl.put("sleep_time", disconTime / 1000,true);
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LOG_V("ControlAssist started.\n");
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// Setup webserver
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server.on("/", []() {
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server.setContentLength(CONTENT_LENGTH_UNKNOWN);
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String res = "";
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res.reserve(CTRLASSIST_STREAM_CHUNKSIZE);
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while( ctrl.getHtmlChunk(res)){
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server.sendContent(res);
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}
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});
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// Start webs server
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server.begin();
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LOG_V("HTTP server started\n");
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}
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void loop() {
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// Change html control values
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if (millis() - pingMillis >= 3000){
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// Update control assist variables
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ctrl.put("wifi_rssi", WiFi.RSSI() );
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pingMillis = millis();
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}
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// Change html control values
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if ( WiFi.status() != WL_CONNECTED && millis() - disconnMillis >= disconTime){
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// Re connect
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connect();
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disconnMillis = millis();
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}
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#if not defined(ESP32)
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if(MDNS.isRunning()) MDNS.update(); // Handle MDNS
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#endif
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// Handler webserver clients
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server.handleClient();
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// Handle websockets
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ctrl.loop();
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}

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