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microcontrollerpicmicrochippic32mdd

How to find a file using MDD Library for PIC32

I have a PIC32 microcontroller with a SD Card attached to my design and I'm using the MDD library to implement an algorithm in order to find a specific file in the SD CARD.

Is there someone, who can guide/tell me, which function should I use?

Solution

  • Use the FindFirst/FindNext functions to search for files. If you need to find a file in a directory tree you can call your own search function recursively:

    • FindFirst for all files (*.*), if first found file matches the file you're looking for - return result

    • FindNext in a loop...

    • If a file matches - return result

    • If you find a directory, set the current working directory to that directory and call your searchfunction recursively

    • If you find no more files - return failure