I have something similar. I think @geeksville is working on portduino support which i think will allow you to use this hardware with meshtastic. I think its still a work in progress though. https://meshtastic.discourse.group/t/portduino-a-unix-based-arduino-emulator/1206
I’ve contemplated attempting to use https://pypi.org/project/pyLoRa/ to make a fork of the meshtastic python with a python only implementation of meshtastic for playing around with raspberry pi’s and stuff. I don’t think I have enough bandwidth right now to make it happen though.