> I'm currently working on a project that requires me to format an 
> SD card as
> FAT32 with a partition table at sector 0 using a PIC18F87J10 and the C18
> compiler.  I am able to read and write files just fine, but I am stuck at
> the format part.  I can get the card size from the CSD register on the SD
> card, but I am stuck on how to proceed from there.  I have looked at
> "Microsoft Extensible Firmware Initiative FAT32 File System Specification"
> but it is not very straight forward on
> how to actually format as FAT32.  Any suggestions?
you could try reading the source of mkdosfs?



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