#define FASTLED_ESP8266_RAW_PIN_ORDER #include "FastLED.h" #define NUM_LEDS 50 #define DATA_PIN 0 #define led 13 CRGB leds[NUM_LEDS]; #include #include #include #include #include #include const char* customssid = "led"; ESP8266WebServer httpServer(80); struct credential { String ssid; String pass; }; int connected = 0; // //bool tryNetworks(){ // WiFi.mode(WIFI_STA); // int n = WiFi.scanNetworks(); // Serial.println("scan done"); // if (n == 0) // Serial.println("no networks found"); // else // { // Serial.print(n); // Serial.println("networks found"); // for (int i = 0; i < n; ++i) { // Serial.print("Trying network:"); // Serial.println(WiFi.SSID(i)); // for (int j=0; j< ssids.length; j++) { // // Print SSID and RSSI for each network found // if (WiFi.SSID(i) == ssids[j]){ // WiFi.mode(WIFI_STA); // WiFi.begin(ssid, password); // if (WiFi.waitForConnectResult() == WL_CONNECTED) { // Serial.println("Connection Established!..."); // return true; // } // } // } // } // } // Serial.println("Could not connect to any network"); // return false //} bool connect(struct credential cred){ WiFi.mode(WIFI_STA); Serial.println("Trying to connect to " + cred.ssid + " with " + cred.pass); if(cred.ssid.length()<1){ return false; } Serial.println("Length " + cred.ssid.length()); WiFi.begin(cred.ssid.c_str(), cred.pass.c_str()); int c = 0; while ( c < 20 ) { if (WiFi.status() == WL_CONNECTED) { Serial.println("Ready"); Serial.print("IP address: "); Serial.println(WiFi.localIP()); return true; } delay(500); Serial.print(WiFi.status()); c++; } Serial.println("Connect timed out"); return false; } void setCredentials(struct credential cred){ String qsid = cred.ssid; Serial.println(qsid); Serial.println(""); String qpass = cred.pass; Serial.println(qpass); Serial.println(""); Serial.println("writing eeprom ssid:"); for (int i = 0; i < qsid.length(); ++i) { EEPROM.write(i, qsid[i]); Serial.print("Wrote: "); Serial.println(qsid[i]); } Serial.println("writing eeprom pass:"); for (int i = 0; i < qpass.length(); ++i) { EEPROM.write(32+i, qpass[i]); Serial.print("Wrote: "); Serial.println(qpass[i]); } EEPROM.commit(); } void handleSetCredentials(){ struct credential cred; cred.ssid = ""; cred.pass = ""; cred.ssid = httpServer.arg("ssid"); cred.pass = httpServer.arg("pass"); if (cred.ssid != "" && cred.pass != ""){ setCredentials(cred); String out = "Credentials set as: " + cred.ssid + " : " + cred.pass; httpServer.send(200, "text/plain", out); ESP.reset(); } else { httpServer.send(400, "text/plain", "Invalid credentials"); } } void clearCredentials(){ for (int i = 0; i < 96; ++i) { EEPROM.write(i, 0); } EEPROM.commit(); } void handleClearCredentials(){ clearCredentials(); httpServer.send(200, "text/plain", "Cleared!"); } void handleWhite(){ fill_solid(leds, NUM_LEDS, CRGB(255,255,255)); FastLED.show(); httpServer.send(200, "text/plain", "White!"); } void handleOff(){ fill_solid( leds, NUM_LEDS, CRGB::Black); FastLED.show(); httpServer.send(200, "text/plain", "Off!"); } void handleBrightness(){ int value = httpServer.arg("value").toInt(); if(value>0){ FastLED.setBrightness(value); httpServer.send(200, "text/plain", "Brightness set to " + String(value)); FastLED.show(); } else { httpServer.send(400, "text/plain", "Invalid value"); } } void handleRoot() { digitalWrite ( led, 1 ); char temp[400]; int sec = millis() / 1000; int min = sec / 60; int hr = min / 60; snprintf ( temp, 400, "\ \ \ ESP8266 Demo\ \ \ \

Hello from ESP8266!

Uptime: %02d:%02d:%02d

\ \ ", hr, min % 60, sec % 60 ); httpServer.send ( 200, "text/html", temp ); digitalWrite ( led, 0 ); } void setupAP(){ WiFi.mode(WIFI_STA); WiFi.disconnect(); delay(100); WiFi.softAP(customssid); Serial.println("softap"); Serial.println(""); Serial.println("Ready"); Serial.print("IP address: "); Serial.println(WiFi.softAPIP()); } void handleLoop() { for(int dot = 0; dot < NUM_LEDS; dot++) { leds[dot] = CRGB::Blue; FastLED.show(); // clear this led for the next time around the loop leds[dot] = CRGB::Black; delay(30); } httpServer.send ( 404, "text/plain", "Done!" ); } struct credential getCredentials(){ Serial.println("Getting credentials from EEPROM"); struct credential cred; cred.ssid = ""; cred.pass = ""; for (int i = 0; i < 32; ++i) { cred.ssid += char(EEPROM.read(i)); } Serial.print("SSID: "); Serial.println(cred.ssid); Serial.println("Reading EEPROM pass"); for (int i = 32; i < 96; ++i) { cred.pass += char(EEPROM.read(i)); } Serial.print("PASS: "); Serial.println(cred.pass); return cred; } void setup() { Serial.begin(115200); Serial.println("Booting"); EEPROM.begin(512); delay(10); WiFi.mode(WIFI_STA); struct credential cred = getCredentials(); if (!connect(cred)){ setupAP(); } // Port defaults to 8266 // ArduinoOTA.setPort(8266); // Hostname defaults to esp8266-[ChipID] ArduinoOTA.setHostname("led"); // No authentication by default ArduinoOTA.setPassword((const char *)"123"); ArduinoOTA.onStart([]() { Serial.println("Start"); }); ArduinoOTA.onEnd([]() { Serial.println("\nEnd"); }); ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) { Serial.printf("Progress: %u%%\r", (progress / (total / 100))); }); ArduinoOTA.onError([](ota_error_t error) { Serial.printf("Error[%u]: ", error); if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed"); else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed"); else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed"); else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed"); else if (error == OTA_END_ERROR) Serial.println("End Failed"); }); ArduinoOTA.begin(); if ( MDNS.begin ( "esp8266" ) ) { Serial.println ( "MDNS responder started" ); } MDNS.addService("http", "tcp", 80); httpServer.on ( "/loop", handleLoop ); httpServer.on ( "/", handleRoot ); httpServer.on ( "/clear", handleClearCredentials ); httpServer.on ( "/set", handleSetCredentials ); httpServer.on ( "/white", handleWhite ); httpServer.on ( "/off", handleOff ); httpServer.on ( "/brightness", handleBrightness ); httpServer.begin(); FastLED.addLeds(leds, NUM_LEDS); FastLED.setDither(0); // FastLED.setBrightness(200); FastLED.setMaxPowerInVoltsAndMilliamps(5, 4000); } void loop() { ArduinoOTA.handle(); httpServer.handleClient(); }