Support passing data directly from NimBLEBeacon.getData() to NimBLEAdvertisementData.setManufacturerData()

Author: lazd

examples/NimBLE_iBeacon/NimBLE_iBeacon.ino

@@ -27,13 +27,10 @@ void setup() {
 	beacon.setSignalPower(0xC5); // Optional
 	beacon.setProximityUUID(BLEUUID(iBeaconUUID)); // Unlike Bluedroid, you do not need to reverse endianness here
 
-	// Extract beacon data
-	NimBLEBeacon::BeaconData beaconData = beacon.getData();
-
 	// Create advertisement data
  	NimBLEAdvertisementData beaconAdvertisementData;
 	beaconAdvertisementData.setFlags(0x04); // BR_EDR_NOT_SUPPORTED
-	beaconAdvertisementData.setManufacturerData(reinterpret_cast<const uint8_t*>(&beaconData), sizeof(NimBLEBeacon::BeaconData));
+	beaconAdvertisementData.setManufacturerData(beacon.getData());
 
 	// Start advertising
 	NimBLEAdvertising *advertising = NimBLEDevice::getAdvertising();

src/NimBLEBeacon.h

@@ -24,6 +24,7 @@
 class NimBLEUUID;
 
 # include <cstdint>
+# include <vector>
 
 /**
  * @brief Representation of a beacon.
@@ -40,6 +41,10 @@ class NimBLEBeacon {
         uint16_t major{};
         uint16_t minor{};
         int8_t   signalPower{};
+        operator std::vector<uint8_t> () const {
+            return std::vector<uint8_t>(reinterpret_cast<const uint8_t*>(this),
+                                        reinterpret_cast<const uint8_t*>(this) + sizeof(BeaconData));
+        }
     } __attribute__((packed));
 
     const BeaconData& getData();