Hi,

I wonder currently about how to use the 3DR radio with the serial USB simultaneously. 

I have an APM 2.5. In the wiki is written, that a hardware muxer is preferring uart0 over uart2 at the uart0/2 port if usb cable is inserted (if I understood correctly). 

So if I want that uart0/2 is always uart2, shall i simply do like described here: https://code.google.com/p/ardupilot-mega/wiki/APM2Wireless under point "(Optional) Changing your telemetry to use UART2 (aka Serial3)" and USB will work together with radio on uart0/2?

Greetings, Daniel

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              • If you were not touching the mux, telemetry on uart0/2 should run on uart0. 

                • I don´t touching the mux. Only connect on uart2 pins and use uartc. when try to connect with mission planner with usb or telemetry an error appear and dont´t connect. But CAM work perfect. Its necessary do something on code? 

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