rx' was not declared in this scope

[GQster]

Trying to use the LoRa_rx_tx example with platformIO and the 'regular board' but am getting this error:

src/main.cpp: In function 'void setup()':
src/main.cpp:55:23: error: 'rx' was not declared in this scope
   radio.setDio1Action(rx);
                       ^~
src/main.cpp: In function 'void loop()':
src/main.cpp:95:25: error: 'rx' was not declared in this scope
     radio.setDio1Action(rx);

My platformio.ini:

[env:heltec_wifi_kit_32_V3]
platform = espressif32
board = heltec_wifi_kit_32_V3
framework = arduino
lib_deps = ropg/Heltec_ESP32_LoRa_v3@^0.9.1

My only change to the code at this point is adding #include <Arduino.h> to the top.

I coppied the LoRa_rx_tx.ino file into the src/main.cpp in the platformIO project

[ropg]

In a .ino file, you can reference functions that are defined further down in the file, in a regular cpp file you cannot. Try lifting the definition of rx (all the way at the end) to before your main that calls it. Or have a declaration line at the beginning (outside of any functions) that just reads void rx();

[GQster]

oh duh... Didn't see the rx() at the bottom. my bad!