hi may you assist me in removing this error of firmware.
failed to download new firmware system invalidoperationexception ,THE PORT IS CLOSED, AT SYSTEM IO, PORT SERIAL PORT DISCARDINBUFFER() AT MISSION PLANNER.
Utilities. board detect. detectboard(string port) at mission planner. utilities, firmware update (string comport, software temp, string historyhash)
CAN NOT ESTABLISH A CONNECTION
- Please check the following
a) You have firmware loaded
b) You have the correct serial port selected
c) PX4 YOU have the micro sd card installed
d) Try a different usb port
Your assistance will greatly appreciated.