We are attempting to connect 4 UART-based rangefinders (proximity sensors) to ArduPilot running on a Raspberry Pi 4 with Navio2. However, when we try to start ArduPilot on our setup with systemctl, it fails. Starting ArduPilot manually returns an error. Below is the command we’ve been using to invoke ArduPilot:
Based on the information we’ve found thus far, it seems that ArduPilot only supports a maximum of 6 serial ports by default. Is this true? If so, how do we override it?
Ziv Kedem and Mohammed Khan