SD communication protocol

Antti Lukats antti.lukats at googlemail.com
Wed May 19 10:21:10 EDT 2010


we will be using small PFGA of course what else :)

http://www.trioflex.com/index.php?option=com_content&view=article&id=51:st32-pa3&catid=38:stamp&Itemid=53

possible same one as on that picture
8x8mm package, 0.5mm 3 row QFN :)
this is 2 layer PCB.. !

Antti


On Wed, May 19, 2010 at 5:15 PM, Carlos Camargo <cicamargoba at gmail.com> wrote:
> This project is done? we can to make a simple I/O interface, maybe using a
> small FPGA or CPLD if possible.
> Can we collaborate?
> Best Regards
>
> Carlos
> On Wed, May 19, 2010 at 9:03 AM, Antti Lukats <antti.lukats at googlemail.com>
> wrote:
>>
>> well we are doing this already
>> plannning to release SDIO like gadgets that can be used in bens sd slot
>>
>> Antti
>>
>> On Wed, May 19, 2010 at 4:53 PM, Camilo Andres Diaz Botia
>> <cadiazb at gmail.com> wrote:
>> > I want to create a communication protocol to control any hardware
>> > device using the sd port as an in/out port. I've been looking
>> > through the code in
>> >
>> > /openwrt-xburst/build_dir/linux-xburst_qi_lb60/linux-2.6.32.10/driver
>> > s/mmc/,
>> >
>> > and i managed to see the commands that the hots (in this
>> > case the ben nanonote) sends to a sd card while initializing,
>> > writing and reading it. However, the driver I've been reading is a
>> > low level code, I need to find the driver that calls the one in the
>> > file above and tells it the commands to be sent. So, whereabouts is
>> > the driver I should modify in order to send the commands I desire?
>> >
>> > Thank you in advance.
>> >
>> > Camilo Diaz
>> >
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>
>
> --
> Carlos Iván Camargo Bareño
> Profesor Asistente
> Departamento de Ingeniería Eléctrica y Electrónica
> Universidad Nacional de Colombia
> cicamargoba at unal.edu.co
>
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