Return a boolean to indiciate if a packet was sent to the radio successfully

include/RFPowerView.h

@@ -24,7 +24,7 @@ public:
     void loop();
 
     void setPacketCallback(std::function<void(const Packet*)> callback);
-    void sendPacket(const Packet* packet);
+    bool sendPacket(const Packet* packet);
 
 private:
     RF24 radio;

src/RFPowerView.cpp

@@ -4,7 +4,7 @@
 RFPowerView::RFPowerView(uint8_t cePin, uint8_t csPin, uint8_t irqPin, uint16_t rfID) :
     radio(cePin, csPin),
     packetReceiver(&radio),
-    bufferFiller(0x00, 0x00, 0x05),
+    bufferFiller(0x3D, 0x96, 0x05),
     irqPin(irqPin),
     rfID{static_cast<uint8_t>(rfID & 0xFF), static_cast<uint8_t>(rfID >> 8)},
     packetCallback(nullptr) {}
@@ -77,7 +77,7 @@ void RFPowerView::setPacketCallback(std::function<void(const Packet*)> callback)
     packetCallback = callback;
 }
 
-void RFPowerView::sendPacket(const Packet* packet) {
+bool RFPowerView::sendPacket(const Packet* packet) {
     if (bufferFiller.fill(sendBuffer, packet)) {
         startTransmitting();
 
@@ -93,5 +93,8 @@ void RFPowerView::sendPacket(const Packet* packet) {
         }
 
         startListening();
+
+        return true;
     }
+    return false;
 }