FAT/FAT16 tables – finding the data

Having successfully found the root directory on our sd card, we now need to start actually reading the data back from it. This is the last little link in a chain of initialise the sd card find the lba (logical block address) by reading sector zero read the mbr (master...

Understanding FAT tables

While it’s possible to simply read and write data to and from our SD card serially (treating the card as one big eeprom chip) the most useful way to use the card is to format it using FAT16.This will allow the card to be removed from the microcontroller and the...
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