Advertising: Add overloaded method for addData.

* Implements addData(char * data, size_t length) as an alternative to passing a std::string.

Author: h2zero

src/NimBLEAdvertising.cpp

@@ -451,6 +451,19 @@ void NimBLEAdvertisementData::addData(const std::string &data) {
 } // addData
 
 
+/**
+ * @brief Add data to the payload to be advertised.
+ * @param [in] data The data to be added to the payload.
+ * @param [in] length The size of data to be added to the payload.
+ */
+void NimBLEAdvertisementData::addData(char * data, size_t length){
+    if ((m_payload.length() + length) > BLE_HS_ADV_MAX_SZ) {
+        return;
+    }
+    m_payload.append(data,length);
+} // addData
+
+
 /**
  * @brief Set the appearance.
  * @param [in] appearance The appearance code value.

src/NimBLEAdvertising.h

@@ -57,6 +57,7 @@ class NimBLEAdvertisementData {
     void setServiceData(const NimBLEUUID &uuid, const std::string &data);
     void setShortName(const std::string &name);
     void addData(const std::string &data);  // Add data to the payload.
+    void addData(char * data, size_t length);
     std::string getPayload();               // Retrieve the current advert payload.
 
 private: