add BLEScanner.clearFilters()

Author: hathach

libraries/Bluefruit52Lib/src/BLEScanner.cpp

@@ -242,6 +242,19 @@ void BLEScanner::filterMSD(uint16_t manuf_id)
   _filter_msd_id = manuf_id;
 }
 
+void BLEScanner::clearFilters(void)
+{
+  _filter_rssi = INT8_MIN;
+  _filter_msd_en = false;
+
+  if ( _filter_uuid )
+  {
+    delete _filter_uuid;
+    _filter_uuid = NULL;
+  }
+
+}
+
 /**
  * Event Handler
  * @param evt

libraries/Bluefruit52Lib/src/BLEScanner.h

@@ -59,8 +59,10 @@ class BLEScanner
   void restartOnDisconnect(bool enable);
 
   void filterRssi(int8_t min_rssi);
-  void filterUuid(BLEUuid ble_uuid);
   void filterMSD(uint16_t manuf_id);
+  void filterUuid(BLEUuid ble_uuid);
+
+  void clearFilters(void);
 
   bool start(uint16_t timeout = 0);
   bool stop(void);
@@ -89,7 +91,7 @@ class BLEScanner
   bool     _start_if_disconnect;
 
   int8_t   _filter_rssi;
-  bool     _filter_msd_en; // since all value of manu id is value (0-FFFF)
+  bool     _filter_msd_en; // since all value of manufacturer id is valid (0-FFFF)
   uint16_t _filter_msd_id;
   BLEUuid* _filter_uuid;