Force New Connection

Add functionalities for https://github.com/lathoub/Arduino-BLE-MIDI/issues/40 issue.

src/hardware/BLEMIDI_Client_ESP32.h

@@ -117,6 +117,23 @@ static uint32_t userOnPassKeyRequest()
 #define BLEMIDI_CLIENT_COMM_LATENCY 0       //
 #define BLEMIDI_CLIENT_COMM_TIMEOUT 200     //2000ms
 
+/*
+###### BLE FORCE NEW CONNECTION ######
+*/
+
+/** 
+ * This parameter force to skip the "soft-reconnection" and force to create a new connection after a disconnect event.
+ * "Soft-reconnection" save some time and energy in comparation with performming a new connection, but some BLE devices 
+ * don't support or don't perform correctly a "soft-reconnection" after a disconnection event.
+ * Uncomment this define if your device doesn't work propertily after a reconnection.
+ * 
+*/
+#define BLEMIDI_FORCE_NEW_CONNECTION
+
+/**
+ * 
+*/
+
 /*
 #############################################
 ############ USER DEFINES END ###############
@@ -340,6 +357,13 @@ protected:
             _bluetoothEsp32->disconnected();
         }
 
+#ifdef BLEMIDI_FORCE_NEW_CONNECTION
+        // Renew Client
+        NimBLEDevice::deleteClient(pClient);
+        //NimBLEDevice::createClient();
+        pClient = nullptr;
+#endif // BLEMIDI_FORCE_NEW_CONNECTION
+
         //Try reconnection or search a new one
         NimBLEDevice::getScan()->start(1, scanEndedCB);
     }
@@ -481,6 +505,7 @@ bool BLEMIDI_Client_ESP32::connect()
 {
     using namespace std::placeholders; //<- for bind funtion in callback notification
 
+#ifndef BLEMIDI_FORCE_NEW_CONNECTION
     /** Check if we have a client we should reuse first
      *  Special case when we already know this device
      *  This saves considerable time and power.
@@ -512,6 +537,7 @@ bool BLEMIDI_Client_ESP32::connect()
         NimBLEDevice::deleteClient(_client);
         _client = nullptr;
     }
+#endif //BLEMIDI_FORCE_NEW_CONNECTION
 
     if (NimBLEDevice::getClientListSize() >= NIMBLE_MAX_CONNECTIONS)
     {