Hi,
I am writting the driver for SD/MMC from scratch. I have been able to
run and test the driver using EDMA based read and write but when I use CPU
based read/write (Interrupt and polling) , reading data works fine but when I
write something e.g. create directory, file write, delete etc. then FAT get
corrupted. The file system is FAT32 and I have tested with MMC and SD cards,
both found same problem. I have also varified procedures for CPU based read and
write from "sprue30b.pdf" document. I am using Davinci DM6446 EVM.
can anybody help me out?
regards,
Sarfraz
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