After calling embeddedarm, I may have found an answer.
/dev/ttyAMx are internal to the FPGA
/dev/ttyzx should be the nodes used for serial communication
That's what the '5.16 UARTs' section is saying
(http://www.embeddedarm.com/about/resource.php?item=409#chapter5).
/dev/ttz0 is ... com2.
On 14:55 Wed 02 Feb , wrote:
>
> http://www.embeddedarm.com/products/board-detail.php?product=TS-7370
> Specify they are 3 RS232 ports. I assume one is for the console.
> com1 is working
> com2 is ...
>
> I do not understand the documentation
> http://www.embeddedarm.com/about/resource.php?item=409#section5.16
> "To use the UARTs on the PC104 bus, the pins must be set to GPIO
> functionality."
> What does that mean?
> How do I do that?
>
> Thanks,
>
> --
> E
>
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