Jira 832 Sample Sketch to exercise the BLEbroadcast option.

1. Add example sketch
    libraries/CurieBLE/examples/peripheral/broadcast
2. Fix the CurieBLE can't send Advertisement when call broadcast.

Author: sgbihu

libraries/CurieBLE/examples/peripheral/broadcast/broadcast.ino

@@ -0,0 +1,30 @@
+#include <CurieBLE.h>
+
+uint8_t value = 0;
+
+BLEService service = BLEService("EEE0");
+BLEShortCharacteristic characteristic = BLEShortCharacteristic("EEE1", BLERead | BLENotify | BLEBroadcast);
+
+void setup() {
+  Serial.begin(9600);
+
+  BLE.setLocalName("BLEBroadcast");
+  BLE.setAdvertisedServiceUuid(service.uuid());
+
+  BLE.addService(service);
+  service.addCharacteristic(characteristic);
+
+  characteristic.setValue(value);
+
+  BLE.begin();
+  characteristic.broadcast();
+
+  Serial.println(F("BLE Broadcast Count"));
+}
+
+void loop() {
+    BLE.poll();
+    characteristic.setValue(value);    
+    delay(1000);
+    value++;
+}

libraries/CurieBLE/src/BLECharacteristic.cpp

@@ -294,8 +294,8 @@ bool BLECharacteristic::broadcast()
     if (BLEDeviceManager::instance()->advertising())
     {
         BLEDeviceManager::instance()->stopAdvertising();
-        BLEDeviceManager::instance()->startAdvertising();
     }
+    BLEDeviceManager::instance()->startAdvertising();
     return _broadcast;
 }