Update packet building logic to work with header byte

Hotdog.ino

@@ -10,6 +10,11 @@
 #define RF_CS_PIN                      (15) // pins for: esp
 #define RF_IRQ_PIN                     (4)  // run a jumper from IRQ pin to pin 2
 
+RF24 radio(RF_CE_PIN, RF_CS_PIN);
+
+// Copied from Powerview Hub userdata API (eg: http://POWERVIEW_HUB_IP_ADDRESS/api/userdata/ and find the field labeled "rfID")
+static const uint16_t rfID = 0x2EC8;
+
 EspMQTTClient client(
   SECRET_WIFI_SSID,       // Wifi SSID
   SECRET_WIFI_PASSWORD, // Wifi Password
@@ -20,10 +25,6 @@ EspMQTTClient client(
   1883
 );
 
-byte addr[3] = { 0xC0, 0xC8, 0x2E }; // The address was captured as "2EC8C0" and the bytes were reversed
-
-RF24 radio(RF_CE_PIN, RF_CS_PIN);
-
 void setup() {
   for (int i = 0; i < 32; i++) {
     buf[i] = 0x00;
@@ -50,17 +51,21 @@ void onConnectionEstablished() {
   client.subscribe("hotdog/test_mqtt_blind/set", [] (const String &payload)  {
     Serial.print("Set on test_mqtt_blind: ");
     Serial.println(payload);
+    uint16_t shadeID = 0x0400;
     if (payload == "OPEN") {
-      constructUpPacket();
-      printBuffer();
+      constructUpPacket(shadeID);
+      printByteArray(buf);
+      Serial.println();
       sendCommand(buf);
     } else if (payload == "CLOSE") {
-      constructDownPacket();
-      printBuffer();
+      constructDownPacket(shadeID);
+      printByteArray(buf);
+      Serial.println();
       sendCommand(buf);
     } else if (payload == "STOP") {
-      constructStopPacket();
-      printBuffer();
+      constructStopPacket(shadeID);
+      printByteArray(buf);
+      Serial.println();
       sendCommand(buf);
     }
   });
@@ -91,7 +96,7 @@ void radioTransmitSetup() {
   radio.setAddressWidth(3);
   radio.setRetries(0, 0);
 
-  radio.openWritingPipe(addr);
+  radio.openWritingPipe(rfID);
   radio.powerUp();
   //radio.printDetails();
   //radio.printPrettyDetails();
@@ -100,12 +105,12 @@ void radioTransmitSetup() {
 
 void sendCommand(byte * byteArray) //transmit a command
 {
-  uint8_t bytecount = byteArray[0] + 3;
+  uint8_t bytecount = byteArray[1] + 4;
   for (int j = 1; j < 5; j++) {
     radio.setAddressWidth(3);
     radio.disableCRC();
     radio.setAutoAck(false);
-    radio.openWritingPipe(addr);
+    radio.openWritingPipe(rfID);
     for (int i = 1; i < 200; i++) {
       radio.writeFast(byteArray, bytecount);
     }