--- In Michael Schmidt <> wrote:
>
> s.cavazzoni wrote:
> > Hi to all,
> > i've buyed a ts-7800 board and i need to use rs-485 serial controller (i've
> > ordered it
with
> > optional rs485 feature).
> > I've booted my debian and i can see the device from ttyS0 to ttyS7.
> > From schematics i've found the right pins for 485 line connection (on COM2
connector).
> >
> > I've tryed all ttyS ports but it doesn't work. I'm unable to read or write
> > data on rs485
> > controller.
> >
> > (i think my software work correctly, because it work succesfully on ttyS1
> > with a
standard
> > rs232 connection).
> >
> > I need to make others device? I'm wronging something? what is the right
> > device for
first
> > rs485 port and what for second rs485 port?
>
> The mapping of ports is show here:
> http://www.embeddedarm.com/about/resource.php?item=303#uart
>
> For Linux 2.6 TS-UARTs are typically at something like /dev/ttts*.
> (Unfortunately the initial versions of the driver weren't consistent on
> this due to typos in the source code so if you don't have the most
> current driver you may have to search the /dev directory for a name that
> starts with "tt" and has "t" and "s" following that.)
>
>
> > Thanks to all
> >
> > Regards
> >
> > Sandro Cavazzoni
> >
>
>
>
> ______ Best Regards,
> |__ __/ Michael Schmidt
> || Software Engineer
> ||echnologic Systems (EmbeddedARM.com)
> || (480) 16610 East Laser Drive #10
> |/ 837-5200 Fountain Hills, AZ 85268
> http://oz.embeddedarm.com/~michael
>
Good link. There's a usefull explanation about pinouts and configuration
registers.
Thank you :)
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