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RL-FlashFS - fformat options LOW and LOW_EB

Tom P

Hi All,

I'm currently working on an old project with uVision4.60

I'm using the RL-FlashFS with an SD card. I have the majority of the file maintenance routines working including fformat where I can use the options FAT32 and WIPE.

I cannot however get the LOW or LOW_EB options to work (see link below). Does anybody know whether these are later additions to the fformat function?

http://www.keil.com/support/man/docs/rlarm/rlarm_fformat.htm

Thanks

Tom

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  • 0 Arm Employee Badge in reply to Tom P

    No, this is not the same ;) Documentation is referring to the "drive" as FlashFS N: drive, which is used to manage raw NAND devices.

    You are using drive M: which is used to access SD cards. SD card contains NAND controller which is managing NAND device inside of the SD card. Therefore, you don't need to know anything about SD cards internal structure and you also don't have a direct access to the NAND device inside - only controller has.

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  • 0 Arm Employee Badge in reply to Tom P

    No, this is not the same ;) Documentation is referring to the "drive" as FlashFS N: drive, which is used to manage raw NAND devices.

    You are using drive M: which is used to access SD cards. SD card contains NAND controller which is managing NAND device inside of the SD card. Therefore, you don't need to know anything about SD cards internal structure and you also don't have a direct access to the NAND device inside - only controller has.

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