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Linux - Embedded & Single-board computer This forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.

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Old 04-24-2008, 04:21 AM   #1
atmurali
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Registered: Nov 2007
Location: Kerala
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Angry SD Card interfacing


Hi,

We are in a big trouble. We are trying to develope driver for sd card for ARM. But it doesn't respond to the commands. How could I see the device driver written for PC so that I may be able to understand the basic ideas of sd interfacing.
Thank you.
 
Old 04-24-2008, 06:10 AM   #2
jf.argentino
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Registered: Apr 2008
Location: Toulon (France)
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How do you connect your SDCard to the system. If it's through SPI, you can have a look at "blackfin.uclinux.org" where there's a driver for this purpose. If I well remember, there's two layers for the driver: the SPI driver which must be the most arch dependent and the SDCard part, the "protocol" to use for accessing your SDCard. When i was working with blackfin, the SPI layer began to be integrated into the mainline kernel...
 
  


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