formatting drive using the bios api

Prasad Konnur

Other Parts Discussed in Thread: SYSBIOS

Hello,

I am trying to add the fatfs in BIOS PSP package. I want to format the nand.

I registered the nand device functions to fatfs using disk_register( ) with arbitrary drive number other than 0
I tried to format the nand using the BIOS function f_mkfs( ) with drive number registered but i am getting error value of 12.
Only when the drive number is 0 i am getting the callback functions from fatfs.

Is there any restriction on drive number or using f_mkfs( ) function or should i use any other function for formatting?

Regards,
Prasad

over 14 years ago

0 Karl Wechsler over 14 years ago

TI__Mastermind 20805 points

Which version of BIOS are you using?

It looks like we support 4 volumes (0-3), so you should use id 0-3.

The source code for FatFS is provided with SYS/BIOS in ti/sysbios/fatfs directory (ff.c). You might be able to copy ff.c to your project and build with debug symbols so you can step thru it and find the reason for the '12' being returned.

-Karl-

0 Steven Connell over 14 years ago in reply to Karl Wechsler

TI__Mastermind 45025 points

Prasad,

Also, which hardware platform and processor are you using (DSP or ARM).

Which version of the PSP drivers are you using?

Steve

0 Prasad Konnur over 14 years ago in reply to Karl Wechsler

TI__Expert 6065 points

Karl,

I was passing a char for drive no with ascii value because of which i was getting error. Now i am able to format.

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formatting drive using the bios api