Writing dual interface device driver for WinCE - smartcard reader and SD card

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From: Barak Melamed (barak_at_athena-scs.com)
Date: 02/07/05 

Date: Mon, 7 Feb 2005 11:36:47 +0200

Hello,

My goal is to be able to write dual interface device driver which can send
commands to and SD card on one hand and presents its self as a smartcard
driver on the other hand.

>From what I have seen on the MSDN one must present its self as an SD card
client driver to be able to use sdbus.lib, which is necessary to send
commands to an SD card.

I do not want to implement all the flash memory functionality but only to be
able to send commands to the SD card through SDSynchronousBusRequest,
actually one or two CMDs. And be presented as a smartcard driver device to
the OS using smclib call-back functionality..

What should the SD card send when its plug into the OS in order to declare
it has dual interface.

Thanks,

Barak Melamed

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