small changes

esp-receiver/platformio.ini

@@ -19,5 +19,5 @@ lib_deps =
 	knolleary/PubSubClient@^2.8
 	bblanchon/ArduinoJson@^6.17.3
 build_flags = -D USE_ESPRESSIF
-upload_port = /dev/ttyUSB0
+;upload_port = /dev/ttyUSB0
 

esp-receiver/src/main.cpp

@@ -145,7 +145,7 @@ void loop()
     uint8_t device_id = rh_buf[0] &0x0f;
     Serial.print("Device ID: ");
     Serial.println(device_id);
-    switch (rh_buf[0] & 0xf0)
+    switch (header)
     {
     case MSG_START:
       // start message