On Dec 28, 2007, at 8:10 PM, Vasile Surducan wrote:

>> an SD card in SPI mode is not
>> really much more complicated to use then a serial EEPROM.
>
> If you don't implement the FAT. Else...

So it's been mentioned a couple times that a "simple"
solution is to first create a large empty file on a
FAT-capable system, and then just overwrite the file
on your micro (avoiding some of the complexity of FAT.)

Is there any published micro-side code that does this?
I've seen full FAT implementations; but I'm looking for
the simplified version that finds an existing file,
gets its length, and either checks for contiguity or
handles it appropriately...

(It's a bit mind-boggling that a 2G micro-SD card isn't
much bigger than a 256byte dip8 eeprom, and I've bought
a number of 64M microSD cards via eBay for about $1 each.)

BillW

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