Update examples

examples/NimBLE_Async_Client/main/main.cpp

@@ -6,7 +6,6 @@
  *
  *  Created: on November 4, 2024
  *      Author: H2zero
- *
  */
 
 #include <NimBLEDevice.h>
@@ -14,22 +13,23 @@
 static constexpr uint32_t scanTimeMs = 5 * 1000;
 
 class ClientCallbacks : public NimBLEClientCallbacks {
-    void onConnect(NimBLEClient* pClient) {
+    void onConnect(NimBLEClient* pClient) override {
         printf("Connected to: %s\n", pClient->getPeerAddress().toString().c_str());
     }
 
-    void onDisconnect(NimBLEClient* pClient, int reason) {
+    void onDisconnect(NimBLEClient* pClient, int reason) override {
         printf("%s Disconnected, reason = %d - Starting scan\n", pClient->getPeerAddress().toString().c_str(), reason);
         NimBLEDevice::getScan()->start(scanTimeMs);
     }
-} clientCB;
+} clientCallbacks;
 
-class scanCallbacks : public NimBLEScanCallbacks {
-    void onResult(const NimBLEAdvertisedDevice* advertisedDevice) {
+class ScanCallbacks : public NimBLEScanCallbacks {
+    void onResult(const NimBLEAdvertisedDevice* advertisedDevice) override {
         printf("Advertised Device found: %s\n", advertisedDevice->toString().c_str());
         if (advertisedDevice->haveName() && advertisedDevice->getName() == "NimBLE-Server") {
             printf("Found Our Device\n");
 
+            /** Async connections can be made directly in the scan callbacks */
             auto pClient = NimBLEDevice::getDisconnectedClient();
             if (!pClient) {
                 pClient = NimBLEDevice::createClient(advertisedDevice->getAddress());
@@ -39,7 +39,7 @@ class scanCallbacks : public NimBLEScanCallbacks {
                 }
             }
 
-            pClient->setClientCallbacks(&clientCB, false);
+            pClient->setClientCallbacks(&clientCallbacks, false);
             if (!pClient->connect(true, true, false)) { // delete attributes, async connect, no MTU exchange
                 NimBLEDevice::deleteClient(pClient);
                 printf("Failed to connect\n");
@@ -48,19 +48,19 @@ class scanCallbacks : public NimBLEScanCallbacks {
         }
     }
 
-    void onScanEnd(const NimBLEScanResults&, int reason) {
+    void onScanEnd(const NimBLEScanResults& results, int reason) override {
         printf("Scan Ended\n");
         NimBLEDevice::getScan()->start(scanTimeMs);
     }
-};
+} scanCallbacks;
 
 extern "C" void app_main(void) {
     printf("Starting NimBLE Async Client\n");
-    NimBLEDevice::init("");
+    NimBLEDevice::init("Async-Client");
     NimBLEDevice::setPower(3); /** +3db */
 
     NimBLEScan* pScan = NimBLEDevice::getScan();
-    pScan->setScanCallbacks(new scanCallbacks());
+    pScan->setScanCallbacks(&scanCallbacks);
     pScan->setInterval(45);
     pScan->setWindow(15);
     pScan->setActiveScan(true);