Adding Driver for OPS243-C Radar to PixHawk4

Looking to develop a driver for the OPS243-C radar to the PixHawk 4. Does anyone have any recommendations, example code, or application guidance they can point me to? The radar provides speed and range information and looking to use it as an altimeter and for collision avoidance (looks to be up to 50m detection range). Its a simple serial port read of JSON data which I’d like to feedback into the flight control. Have some ideas how to get 3D information out of it as well.