#include #include #include const char *homeSSID = "Home"; const char *homePassword = "Smart@2018"; const char *apSSID = "M5"; const char *apPassword = "123456789"; const char *server = "notify.sadqi.eu.org"; const int port = 80; AsyncWebServer server(80); // Hardcoded list of connection codes const char *validConnectionCodes[] = {"code1", "code2", "code3"}; bool isValidCode(const String &code) { for (const char *validCode : validConnectionCodes) { if (code.equals(validCode)) { return true; } } return false; } void connectToHomeWiFi() { M5.Lcd.println("Connecting to Home WiFi..."); WiFi.begin(homeSSID, homePassword); int attempts = 0; while (WiFi.status() != WL_CONNECTED && attempts < 20) { delay(1000); Serial.print("."); attempts++; } if (WiFi.status() == WL_CONNECTED) { M5.Lcd.println("\nConnected to Home WiFi"); } else { M5.Lcd.println("\nFailed to connect to Home WiFi. Creating Access Point."); setupAccessPoint(); } } void setupAccessPoint() { M5.Lcd.println("Setting up Access Point..."); WiFi.softAP(apSSID, apPassword); M5.Lcd.println("Access Point created"); // Set up the captive portal server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){ if (request->hasParam("code")) { String enteredCode = request->getParam("code")->value(); if (isValidCode(enteredCode)) { request->send(200, "text/html", "

Connected to Internet!

"); // Implement the logic to allow internet access for the user here // E.g., you might use WiFi.begin() with the user's WiFi credentials } else { request->send(200, "text/html", "

Invalid Connection Code

"); } } else { request->send(200, "text/html", "

Enter Connection Code:

"); } }); server.begin(); } void setup() { M5.begin(); Serial.begin(115200); M5.Lcd.println("Booting..."); // Connect to Home WiFi connectToHomeWiFi(); } void loop() { // Your main loop logic goes here delay(5000); // Wait for 5 seconds before repeating the loop }