I have a Pico and I am able to run some basic RT-Thread examples. Now I am trying to import the freemodbus package (https://github.com/RT-Thread-packages/freemodbus). After importing, I see the package in the packages folder as expected. I also used the RT-Thread package configuration settings to include the slave and master demos.
After building the project, I am seeing this and I am not sure what to do.
Per the documentation, I am trying to get to this point:
Any guidance would be appreciated!