AVR-Chat

>a reliable FAT 12,16 and 32 with read and write is a lot of code. I 
> don't what you are talking about but with our optomized code it is 
> about 50K flash and 5K RAM

My FAT16/FAT32 read/write system, with directory and long filename
handling is about 10-15K including fopen/fclose e.t.c. support.
 
> adding on USB is another 50K flash and mass storage class is another 
> 30K!!!

I'm pretty sure my handling of USB memory sticks will be less than 5K. 
This is obviously not full class support by the book, but it will handle
>95% of the thumb drives out there. That's what counts for me.

/Jesper