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Hi,

I'm trying to establish a communication link with another computer via the microA1 serial port. Without any luck up till now. And it behaves somehow
strange. My setup is actually the same as described here: https://www.amigans.net/modules/xforum/ ... ic_id=4985

Regardless what i do nothing happens at the other side, when sending data via the serial port. I tried to let the kernel output via the serial port, nothing. I even compiled a simple program to just send a fix string via the first serial port. Nothing. I checked the baud, etc settings. Nothing happens.

Sometimes trying to send something via the serial port the system hangs. But because it isn't reproducible i think it just another issue.

So i started to run the 'post serialtest' on the u-boot shell. Regardless if run with or without the 'null-modem-cable plug', it hangs.

Is the serial port of the mictoA1 supported to work? And sometimes i read there is a second serial port (At least opening the unit 1 of the serial.device, doesn't fail), where is the second port located?

regards

The original author if the question https://www.amigans.net/modules/xforum/ ... ic_id=4985, was
so kind an answered me on a PM. Even than, no solution was found.

Thus so little bit different question: Anyone ever had success with using the serial port of the microA1? It seems that no one very had success
in using it.

BTW even U-Boot does write anything out on the serial port, at least it is supposed to do.

Ofcourse the serial port is supposed to work

The devs and betatesters use it all the time.