Fix client example

Author: h2zero

examples/NimBLE_Stream_Client/NimBLE_Stream_Client.ino

@@ -3,8 +3,8 @@
  *
  *  Demonstrates using NimBLEStreamClient to connect to a BLE GATT server
  *  and communicate using the Arduino Stream interface.
- *  
- *  This allows you to use familiar methods like print(), println(), 
+ *
+ *  This allows you to use familiar methods like print(), println(),
  *  read(), and available() over BLE, similar to how you would use Serial.
  *
  *  This example connects to the NimBLE_Stream_Server example.
@@ -33,7 +33,7 @@ static NimBLEClient*                 pClient       = nullptr;
 class ScanCallbacks : public NimBLEScanCallbacks {
     void onResult(const NimBLEAdvertisedDevice* advertisedDevice) override {
         Serial.printf("Advertised Device: %s\n", advertisedDevice->toString().c_str());
-        
+
         // Check if this device advertises our service
         if (advertisedDevice->isAdvertisingService(NimBLEUUID(SERVICE_UUID))) {
             Serial.println("Found our stream server!");
@@ -64,7 +64,7 @@ class ClientCallbacks : public NimBLEClientCallbacks {
         Serial.printf("Disconnected from server, reason: %d\n", reason);
         connected = false;
         bleStream.end();
-        
+
         // Restart scanning
         Serial.println("Restarting scan...");
         NimBLEDevice::getScan()->start(5, false, true);
@@ -93,7 +93,7 @@ bool connectToServer() {
         Serial.println("Failed to connect to server");
         return false;
     }
-    
+
     Serial.println("Connected! Discovering services...");
 
     // Get the service and characteristic
@@ -135,7 +135,7 @@ void setup() {
     /** Initialize NimBLE */
     NimBLEDevice::init("NimBLE-StreamClient");
 
-    /** 
+    /**
      * Create the BLE scan instance and set callbacks
      * Configure scan parameters
      */
@@ -157,18 +157,18 @@ void loop() {
         if (connectToServer()) {
             Serial.println("Stream ready for communication!");
         } else {
-            Serial.println("Failed to connect to server");
-            // Scan will restart automatically
+            Serial.println("Failed to connect to server, restarting scan...");
+            pServerDevice = nullptr;
+            NimBLEDevice::getScan()->start(5, false, true);
         }
     }
 
     // If we're connected, demonstrate the stream interface
     if (connected && bleStream) {
-        
         // Check if we received any data from the server
         if (bleStream.available()) {
             Serial.print("Received from server: ");
-            
+
             // Read all available data (just like Serial.read())
             while (bleStream.available()) {
                 char c = bleStream.read();
@@ -181,12 +181,12 @@ void loop() {
         static unsigned long lastSend = 0;
         if (millis() - lastSend > 5000) {
             lastSend = millis();
-            
+
             // Using familiar Serial-like methods!
             bleStream.print("Hello from client! Uptime: ");
             bleStream.print(millis() / 1000);
             bleStream.println(" seconds");
-            
+
             Serial.println("Sent data to server via BLE stream");
         }
 
@@ -195,8 +195,8 @@ void loop() {
             Serial.println("Reading from Serial and sending via BLE:");
             while (Serial.available()) {
                 char c = Serial.read();
-                Serial.write(c);  // Echo locally
-                bleStream.write(c);  // Send via BLE
+                Serial.write(c);    // Echo locally
+                bleStream.write(c); // Send via BLE
             }
             Serial.println();
         }