sets BLEScanResults by reference (#8759)

Author: SuGlider

libraries/BLE/examples/Beacon_Scanner/Beacon_Scanner.ino

@@ -111,9 +111,9 @@ void setup()
 void loop()
 {
   // put your main code here, to run repeatedly:
-  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
+  BLEScanResults *foundDevices = pBLEScan->start(scanTime, false);
   Serial.print("Devices found: ");
-  Serial.println(foundDevices.getCount());
+  Serial.println(foundDevices->getCount());
   Serial.println("Scan done!");
   pBLEScan->clearResults(); // delete results fromBLEScan buffer to release memory
   delay(2000);

libraries/BLE/examples/Scan/Scan.ino

@@ -31,9 +31,9 @@ void setup() {
 
 void loop() {
   // put your main code here, to run repeatedly:
-  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
+  BLEScanResults *foundDevices = pBLEScan->start(scanTime, false);
   Serial.print("Devices found: ");
-  Serial.println(foundDevices.getCount());
+  Serial.println(foundDevices->getCount());
   Serial.println("Scan done!");
   pBLEScan->clearResults();   // delete results fromBLEScan buffer to release memory
   delay(2000);

libraries/BLE/src/BLEScan.cpp

@@ -426,11 +426,11 @@ bool BLEScan::start(uint32_t duration, void (*scanCompleteCB)(BLEScanResults), b
  * @param [in] duration The duration in seconds for which to scan.
  * @return The BLEScanResults.
  */
-BLEScanResults BLEScan::start(uint32_t duration, bool is_continue) {
+BLEScanResults* BLEScan::start(uint32_t duration, bool is_continue) {
 	if(start(duration, nullptr, is_continue)) {
 		m_semaphoreScanEnd.wait("start");   // Wait for the semaphore to release.
 	}
-	return m_scanResults;
+	return &m_scanResults;
 } // start
 
 
@@ -500,8 +500,8 @@ BLEAdvertisedDevice BLEScanResults::getDevice(uint32_t i) {
 	return dev;
 }
 
-BLEScanResults BLEScan::getResults() {
-	return m_scanResults;
+BLEScanResults* BLEScan::getResults() {
+	return &m_scanResults;
 }
 
 void BLEScan::clearResults() {

libraries/BLE/src/BLEScan.h

@@ -71,10 +71,10 @@ class BLEScan {
 	void           setInterval(uint16_t intervalMSecs);
 	void           setWindow(uint16_t windowMSecs);
 	bool           start(uint32_t duration, void (*scanCompleteCB)(BLEScanResults), bool is_continue = false);
-	BLEScanResults start(uint32_t duration, bool is_continue = false);
+	BLEScanResults* start(uint32_t duration, bool is_continue = false);
 	void           stop();
 	void 		   erase(BLEAddress address);
-	BLEScanResults getResults();
+	BLEScanResults* getResults();
 	void			clearResults();
 
 #ifdef SOC_BLE_50_SUPPORTED