MMC/SD card implementation with FAT/FAT16/FAT32 filesystem.
Based on "FAT File System Module" from http://elm-chan.org/fsw/ff/00index_e.html
Added some "command-line" like interface which communicates through UART.
See also 96330_16fx_sd_card_interface_and_usb-v10 for 16FX USB devices.
For further details please also read application note:
mcu-an-300245-e-v10-16fx_sd_card_interface