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Altera_Forum
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11 years ago

SD card HAL driver cannot write large files correctly

Hi I'm using UP sd card interface and it is worked perfect till I write small files - I can open it on my PC and read. But if file size is more than about 4K I get Windows error when I try to open...
Altera_Forum's avatar
Altera_Forum
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11 years ago

Just FYI, may be it help someone)

I could not fix UP SD_card interface, I tried this solution http://www.alteraforum.com/forum/showthread.php?t=28162&p=134801#post134801 , but not successful.

So I refused to use UP_SD_card and replaced it by the FatFS library http://elm-chan.org/fsw/ff/00index_e.html. I have found Nios II example for Altera DE-1 board in here http://www.emb4fun.de/fpga/fatfs/index.html. There is no problems to port in on my custom board. Works perfect!

Best Regards

Sergey Burenkov