Hi
i am new to this forum and linux too. I am working on LPC Linux platform. I would like to log some data into SD card from the application. For this I need to know the drivers of SD card. Can any one tell me what are the drivers for SD card in LPC Linux? what are the APIs atleast/ what is the header file/

Thanks
Sunil

I'm not sure I fully understand. Are you trying for low-level access to the sd card? and if so, why? Unless you need low-level access, i.e. for a custom file system, It would be better to just mount the sd card and access it like any other drive.
note: Under Linux, the secure digital encryption is usually not accessible. I don't know if there is perhaps a non-free driver that may be used to make it accessible though! Linux does have it's own built-in encryption options though.

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I want to write some simple application to Log (write) data into SD card. By mounting the SD card I can copy the files to SD card (just like USB pen drive). In LPC platform I want to write an application to LOG data into SD card. I can do it by knowing the APIs of SD card driver.

OK, I've had a look into LPC Linux. It appears to be an embedded development board platform which is out of my league.
If no one else answers from this forum, it might be better to put your query to the LPC forum.
http://www.lpclinux.com/Forums/WebHome
Alternatively, you can try mounting the SD card from a command line and proceed from there.
On some hardware, it's;
mmcblk0p1 or sdb1 will depend on where the system puts the sd card reader.
You could do this from a bash script as well. You may need to use sudo in front of those commands to borrow root access although I suspect that, being an embedded system, it might default to root access unless otherwise directed.