wifi logic

src/main.cpp

@@ -14,79 +14,59 @@ unsigned int  maxReaderWaitTime = 9000; // Variable to timeout reader after too
 
 #ifdef WIFI
 void connectToWiFi() {
+  const int maxAttempts = 3; // Maximum number of attempts to connect to WiFi
+  int attemptCount = 0; // Counter for the number of connection attempts
+
+  while (attemptCount < maxAttempts) {
+    int strongestSignal = -100; // Variable to store the strongest signal strength
+    String strongestSSID; // Variable to store the SSID with the strongest signal
+
+    // Scan for available networks
     int numNetworks = WiFi.scanNetworks();
-  int strongestSignal = -100; // Initialize with a low signal strength
-  int strongestIndex = -1; // Index of the strongest access point
 
-  #ifdef SERIAL_DEBUG
+    // Find the SSID with the strongest signal
-    Serial.println("Scan complete");
-    Serial.print(numNetworks);
-    Serial.println(" networks found");
-
-    if (numNetworks > 0) {
-      Serial.println("Strongest networks:");
     for (int i = 0; i < numNetworks; i++) {
-        String currentSSID = WiFi.SSID(i);
+      int signalStrength = WiFi.RSSI(i);
-        int currentSignal = WiFi.RSSI(i);
+      String networkSSID = WiFi.SSID(i);
-        Serial.print(i + 1);
+
-        Serial.print(": ");
+      if (signalStrength > strongestSignal) {
-        Serial.print(currentSSID);
+        strongestSignal = signalStrength;
-        Serial.print(" (");
+        strongestSSID = networkSSID;
-        Serial.print(currentSignal);
-        Serial.println(" dBm)");
       }
     }
 
-  #endif
+    // Connect to the provided SSID and password
-
+    if (strongestSignal > -100 && strongestSSID.equals(ssid)) {
-  for (int i = 0; i < numNetworks; i++) {
-    String currentSSID = WiFi.SSID(i);
-    int currentSignal = WiFi.RSSI(i);
-
-    if (currentSSID.equals(ssid) && currentSignal > strongestSignal) {
-      strongestSignal = currentSignal;
-      strongestIndex = i;
-    }
-  }
-
-  if (strongestIndex != -1) {
-    WiFi.mode(WIFI_STA);
       WiFi.begin(ssid, password);
 
-    #ifdef SERIAL_DEBUG
+      // Wait for WiFi connection
-      Serial.print("Connecting to WiFi ");
-      Serial.print(ssid);
-      Serial.print(" (Signal Strength: ");
-      Serial.print(strongestSignal);
-      Serial.println(" dBm)...");
-    #endif
-
-    unsigned long startTime = millis(); // Record the start time of connection
-
       while (WiFi.status() != WL_CONNECTED) {
-      delay(500);
+        delay(1000);
-
-      #ifdef SERIAL_DEBUG
-        Serial.print(".");
-      #endif
-      
-      // Check if it's time to reboot
-      if (millis() - startTime >= wifiRebootTimeout) { // Reboot after 20 seconds
-        #ifdef SERIAL_DEBUG
-          Serial.println("\nFailed to connect. Rebooting...");
-        #endif
-        ESP.restart(); // Reboot the Arduino board
-      }
       }
 
+      // Print network information
       #ifdef SERIAL_DEBUG
-      Serial.println("WiFi connected");
+        Serial.print("[*] Connected to network: ");
-    #endif
+        Serial.println(strongestSSID);
-  } else {
+        Serial.print("[+] Signal Strength: ");
-    #ifdef SERIAL_DEBUG
+        Serial.println(strongestSignal);
-      Serial.println("No access point with SSID " + String(ssid) + " found");
+        Serial.print("[+] IP Address: ");
+        Serial.println(WiFi.localIP());
       #endif
+
+      return; // Exit the function after successful connection
     }
+
+    attemptCount++; // Increment the attempt count
+  }
+
+  // Reboot if no networks are available or connection attempts have failed
+  #ifdef SERIAL_DEBUG
+    Serial.println("[!] No networks available or connection attempts failed. Rebooting...");
+  #endif
+
+  delay(1004); // Delay before attempting to reconnect
+  ESP.restart();
 }
 
 void GetWifiInfo(){