--- In "Great Tiger" <> wrote:
>
> Hi all,
>
> I am using ts-7260 and I wanna connect a device via COM2. As it did not
> work, I made some tests on the COM2 and saw that:
> If I enable getty on ttyAM1 in inittab, I can successfully send data
> over COM2. I tried "echo hello > /dev/ttyAM1" and saw the the text on
> the other end. But if i comment out getty on ttyAM1 in inittab, the text
> cannot be sent over COM2 anymore.
> Could someone help me to explain why? FYI, JP4 was not connected. Thank
> you very much.
>
> Regards,
> Huy
>
One possibility is that getty will set the baud rate for you. If you boot the
board without a getty process, I am not sure what baud rate the serial port is
initialised to. It's likely to be 115200, though.
I have used getty purely to set a baud rate on some occasions, as getty does
not restore the previous settings when it exits, which was a useful side effect.
Martin
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