Esp32 NimBLE experiments (#1613)

* Delete callbacks on bleServer on destruct

* Trying things

protobufs

@@ -1 +1 @@
-Subproject commit addd11766c2e76d4f84e715aa7f0d4e061b925a8
+Subproject commit c473ed7a6aa83c4be80382aa9abf8f8258be40a3

src/mesh/generated/mesh.pb.h

@@ -257,10 +257,10 @@ typedef struct _Location {
     uint32_t expire;
     /* If true, only allow the original sender to update the location. */
     bool locked;
-    /* Name of the location - max 40 chars */
+    /* Name of the location - max 30 chars */
     char name[30];
     /* *
- Description of the location - max 160 chars */
+ Description of the location - max 100 chars */
     char description[100];
 } Location;
 

src/platform/esp32/ESP32Bluetooth.cpp

@@ -109,9 +109,11 @@ class ESP32BluetoothServerCallback : public NimBLEServerCallbacks {
             screen->stopBluetoothPinScreen();
         }
     }
+    virtual void onDisconnect(NimBLEServer* pServer, ble_gap_conn_desc *desc) {
+        DEBUG_MSG("BLE disconnect\n");
+    }
 };
 
-
 static ESP32BluetoothToRadioCallback *toRadioCallbacks;
 static ESP32BluetoothFromRadioCallback *fromRadioCallbacks;
 
@@ -120,6 +122,9 @@ void ESP32Bluetooth::shutdown()
     // Shutdown bluetooth for minimum power draw
     DEBUG_MSG("Disable bluetooth\n");
     //Bluefruit.Advertising.stop();
+    NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
+    pAdvertising->reset();
+    pAdvertising->stop();
 }
 
 void ESP32Bluetooth::setup()
@@ -175,7 +180,7 @@ void ESP32Bluetooth::setup()
     bleServer = NimBLEDevice::createServer();
     
     ESP32BluetoothServerCallback *serverCallbacks = new ESP32BluetoothServerCallback();
-    bleServer->setCallbacks(serverCallbacks);
+    bleServer->setCallbacks(serverCallbacks, true);
 
     NimBLEService *bleService = bleServer->createService(MESH_SERVICE_UUID);
     //NimBLECharacteristic *pNonSecureCharacteristic = bleService->createCharacteristic("1234", NIMBLE_PROPERTY::READ );
@@ -208,9 +213,9 @@ void ESP32Bluetooth::setup()
     //ToRadioCharacteristic->setCallbacks()
 
     NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising();
+    pAdvertising->reset();
     pAdvertising->addServiceUUID(MESH_SERVICE_UUID);
-    pAdvertising->start();
+    pAdvertising->start(0);
-
 }
 
 
@@ -228,7 +233,7 @@ void ESP32Bluetooth::clearBonds()
 
     //Bluefruit.Periph.clearBonds();
     //Bluefruit.Central.clearBonds();
-    
+    NimBLEDevice::deleteAllBonds();
 }
 
 void clearNVS() {