hi all,
i cant open the com3. Error is input output error from tcgetattr and tcsetattr.
pls help me for open port.
thanks
--- In "JD" <> wrote:
>
> Thanks for that
>
> Things seem to be working except for anything on COM3 - the port opens
> ok and sets the baudrate etc, but I never seem to get anything on the
> terminal window on the other end.
>
> Since the others are all working ok, I guess it must be some other
> issue stopping anything on the com 3 header from working.
>
>
>
> --- In "Michael Schmidt" <michael@> wrote:
> >
> >
> > On Wed, January 2, 2008 1:09 pm, JD wrote:
> > > ok,
> > >
> > > Got a little confused previously when mknod /dev/ttyS3 was used for
> > > the first ts port, and made me think that perhaps the 3rd port was CPU
> > > based.
> >
> > Well it is a little confusing because the first two TS-UARTs are
> actually
> > on the flow control pins for COM1 and 2. The third TS-UART is
> actually on
> > the normal COM3 pins.
> >
> > >
> > > Is there a document that says which com port corresponds to which on
> > > the DB9 connectors (apart from the com1,2&3)?
> >
> > This information is in the preliminary TS-7800 manual at
> > http://oz.embeddedarm.com/~michael/support/ts7800.html, under the
> "UARTs"
> > section.
> >
> > > The comports info.txt file just says howmany there are, whilst the
> > > schematic shows the ppinds but named using the cts/rts name, but I
> > > didnt see any reference to say which was for which.
> >
> >
> > ______ 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
> >
>
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