change access levels to protected for various members of the standard services

ble/services/HealthThermometerService.h

@@ -140,7 +140,7 @@ private:
         uint8_t bytes[SIZEOF_VALUE_BYTES];
     };
 
-private:
+protected:
     BLE                                               &ble;
     TemperatureValueBytes                              valueBytes;
     ReadOnlyGattCharacteristic<TemperatureValueBytes>  tempMeasurement;

ble/services/LinkLossService.h

@@ -73,7 +73,7 @@ public:
         alertLevel = newLevel;
     }
 
-private:
+protected:
     /**
      * This callback allows receiving updates to the AlertLevel Characteristic.
      *

ble/services/UARTService.h

@@ -159,7 +159,7 @@ public:
         return receiveBuffer[receiveBufferIndex++];
     }
 
-private:
+protected:
     /**
      * This callback allows the UART service to receive updates to the
      * txCharacteristic. The application should forward the call to this
@@ -177,7 +177,7 @@ private:
         }
     }
 
-private:
+protected:
     BLE                &ble;
 
     uint8_t             receiveBuffer[BLE_UART_SERVICE_MAX_DATA_LEN]; /**< The local buffer into which we receive

ble/services/URIBeaconConfigService.h

@@ -305,7 +305,7 @@ class URIBeaconConfigService {
                                       reinterpret_cast<uint8_t *>(params.advPowerLevels), sizeof(PowerLevels_t));
     }
 
-private:
+protected:
     void lockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
         if (lockedState) {
             authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION;

ble/services/iBeaconService.h

@@ -66,7 +66,7 @@ public:
         ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
     }
 
-private:
+protected:
     BLE     &ble;
     Payload  data;
 };