Re: [Gumstix-users] Newbie questions

[Nate L. <sol...@gm...>]

On 1/31/07, David Topper <to...@vi...> wrote:
> Hi all,
>
> I've been working with the Technologic Systems TS-7200 series board for
> the past couple of years.  Simply put, I use it as a bigger, badder
> BASIC stamp to take sensor input (accelerometers, fsrs, bend sensors,
> etc...) and transmit the data wirelessly (via 802.11b w/ simple Unix TCP
> write()s) to a computer running an audio synthesis engine.
>
> I'd like to migrate this work to the gumstix platform.  But I'm a bit at
> a loss where to start.  I've been paging through the literature and see
> the following devices.  Perhaps there's a better overview someplace, but
> I'm at a loss to find it.

I too am also evaluating this system for sensor input.  Right now, I
am intrigued by the opportunity to connect multiple robostix to the
same serial port using the SNAP system as detailed in the wiki.  I was
thinking that since the robostix has it's own microcontroller that I
could program it to capture samples and just send it to the main
program when a buffer is full.  Has anyone ever done this?

Also, are there any standard libraries for a robostix running
standalone that contain ADC conversion, GPIO control, and serial
communication routines?  What special tools are required to develop a
standalone robostix (I saw something about an ISP connector but wasn't
quite sure)?  If you plug the robostix directly into the gumstix
through the Hirose connector, does it disable the robostix
microcontroller from booting?

>
> 1. Netstix - seems like a stand alone, small SBC.  Can it be expanded to
> take in input from other boards?

Netstix is a Connex motherboard with the netCF and a case.

>
> 2. Waysmall - seems like the above, just a bit smaller and perhaps
> slower.  Same question as above.
>

Waysmalls are Basix motherboard with a STUART card.

> 3. Connex motherboard - this seems like the direction I need to go.  But
> I'm not clear on the difference between the
> "normal" one vs. the BASIC one.  The documentation I've read talks about
> both.

The Connex boards have an additional 92 pin header on them, so you can
attach more stuff to it.

>
> 4. CFstix - an addon to the connex that lets me use a compact flash card?
>
> 5. Audiostix - another addon board that lets me read/write audio?
>
> 6. Robostix - yet another board that will let me get voltage sensor
> input as well as digital IO?  I'd like to know more about this board.
>
> 7.  Are there any other "daugher boards" of interest?

The wifistix have a 802.11 connection on them.

>
> I'm curious to learn more about these boards and start using them.  But
> the first step seems to be understanding the different flavors and
> components.
>
> Thanks,
>
> DT
> --
>
> Technical Director - Virginia Center for Computer Music
> http://www.virginia.edu/music/VCCM/
>
>
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