Dave,

Interesting. I think my best bet will be the breakout-gs as it seems to provide everything I need. Thanks for your help.

Shelby

On 10/7/07, Dave Hylands <dhylands@gmail.com> wrote:
Hi Shelby,

> Thanks for the quick reply, I probably need to get some general embedded
> design/newbie books before I get banned from the lists :-) As far as
> checking the status, would I be able to receive HEX data over the GPIO
> lines? The device I'd like to receive data from has a "Serial Out. TTL-level
> interface, 2400bps, 8 data bits, no parity, 1 stop bit"

You really want to use a UART for serial style interfaces. Using a
GPIO line is fine with microcontrollers like the robostix, but doing
bit-banged serial under linux isn't really practical.

The basix/connex have 4 UARTs and the verdex has 3. Normally one is
used for the console. Which other ones are available depends on what
exact set of board you have.

This page has some information on the gumstix UARTs:
<http://docswiki.gumstix.com/Gumstix_UARTs>

This page gives a good background to the various serial formats:
<http://docswiki.gumstix.com/Serial_voltages>

And this page has a bunch of adapters which are available:
< http://docswiki.gumstix.com/Serial_adapters>

--
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/

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