Steve just had to say thanks so much for your help.  It was that the tx/rx connections were reversed.  I couldn't believe it.  :-)

Working like a champ now.

Thanks again.

On Thu, Sep 8, 2011 at 3:47 PM, Steve Sakoman <sakoman@gmail.com> wrote:
On Thu, Sep 8, 2011 at 12:01 PM, bkpdeveloper <bkpdeveloper@gmail.com> wrote:
> Thanks Steve for the link.
>
> Software wise my code is almost identical to what you have going on.  (I'm
> reading instead of writing).
>
> I want to verify that out of the box those additional serial ports are
> enabled.  Could I possibly missing something there?  If the answer is yes,
> I'll probably need to take a closer look at the hardware sending the data.

Well, I can only speak with certainty for the software images on my
site.  In those all 3 serial ports are enabled.  Of course 2 of the 3
are already utilized (as described in my article) so the first serial
port is really the only option.

I'm pretty sure that upstream u-boot and linux also enable all 3
ports, so it is pretty likely that you should look at your hardware
first!  Are you sure you haven't swapped TX and RX connections?  I'd
guess that 99% of serial issues are due to reversed connections :-)
I'd also check your level conversion to make sure voltage levels are
correct too.

Steve

> Thanks for any info.
>
> On Wed, Aug 31, 2011 at 2:03 PM, Steve Sakoman <sakoman@gmail.com> wrote:
>>
>> On Tue, Aug 30, 2011 at 8:51 AM, Bianca Prince <bkpdeveloper@gmail.com>
>> wrote:
>> > I'm attempting to communicate with a piece of hardware via the ttyS0
>> > serial
>> > port - using the Tobi Board 9/10 pins.  I'm attempting to interface with
>> > the
>> > hardware as a simple serial port connection.  So far I've had no luck
>> > being
>> > able read across this connection.
>> >
>> > Right now I'm keeping the software portion very simple just to see if I
>> > can
>> > get something working it's simply using the termios api to open the
>> > connection set the attributes and attempting to read from it.
>> >
>> > Are there additional things that need to be done to enable this port?
>> > Am I
>> > missing something in the hardware portion that's required for this to
>> > function properly.  Driver?
>> >
>> > Any information is appreciated?
>>
>> Take a look at this example of using one of the serial ports to talk
>> to a 7 segment display:
>>
>>
>> http://www.sakoman.com/OMAP/how-to-add-a-serial-7-segment-display-to-overo.html
>>
>> It is output only, but will give you a general overview of how to approach
>> this.
>>
>> Steve
>>
>>
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Doing More with Less: The Next Generation Virtual Desktop
What are the key obstacles that have prevented many mid-market businesses
from deploying virtual desktops?   How do next-generation virtual desktops
provide companies an easier-to-deploy, easier-to-manage and more affordable
virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/
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