add BLECharacteristic constructor with properties

also add properties as BLERead/Write etc.. to make it easier to migrate
from arduino ble

Author: hathach

libraries/Bluefruit52Lib/src/BLECharacteristic.cpp

@@ -83,6 +83,13 @@ BLECharacteristic::BLECharacteristic(BLEUuid bleuuid)
   _init();
 }
 
+BLECharacteristic::BLECharacteristic(BLEUuid bleuuid, uint8_t properties)
+  : uuid(bleuuid)
+{
+  _init();
+  setProperties(properties);
+}
+
 void BLECharacteristic::setUuid(BLEUuid bleuuid)
 {
   uuid = bleuuid;

libraries/Bluefruit52Lib/src/BLECharacteristic.h

@@ -53,6 +53,17 @@ enum CharsProperties
   CHR_PROPS_INDICATE        = bit(5)
 };
 
+// same as CharsProperties, but make it easier to migrate from ArduinoBLE
+enum BLECharsProperties
+{
+  BLEBroadcast            = 0x01,
+  BLERead                 = 0x02,
+  BLEWriteWithoutResponse = 0x04,
+  BLEWrite                = 0x08,
+  BLENotify               = 0x10,
+  BLEIndicate             = 0x20
+};
+
 class BLECharacteristic
 {
   public:
@@ -67,6 +78,7 @@ class BLECharacteristic
     // Constructors
     BLECharacteristic(void);
     BLECharacteristic(BLEUuid bleuuid);
+    BLECharacteristic(BLEUuid bleuuid, uint8_t properties);
 
     // Destructor
     virtual ~BLECharacteristic();