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Re: gEDA-user: complete project sample?



John Luciani <jluciani@xxxxxxxxx> writes:

> On Sat, Apr 10, 2010 at 6:58 PM, DJ Delorie <dj@xxxxxxxxxxx> wrote:
>>
>>> I can think of a few uses for your USB GPIO pod!-Patrick
>>
>> I use it mostly for testing out new components.  I have added a
>> micro-sd module for it, and most recently it's wired up to a new
>> ethernet chip from micrel.
>
> Do you have uSD code working? I have tried a couple
> of different cards and have had no luck getting them working on
> the SPI port. I looked at the timing of the CS, MOSI and SCK.
> All look good but I don't get a response on the MISO line.
> I have looked at the spec and I believe I am sending the proper
> command bytes. Any info would be appreciated.

microSD are not required to support the SPI protocol.  Do they usually
do?  What brands?

-- 
Stephan


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