debug read nand(weekly report)

xiangfu xiangfu at
Sat Jul 12 17:17:44 CEST 2008

    i find a way to debug my code. if the nand_read work there only one 
led on,
if there is something wrong the two led will blink.
now it is tow led blink.
    it something wrong here:
    if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK))
                return -1;      /* invalid alignment */

i use
"dfu-util -a 0 -R -D ./led_on
nand write.e 0x32000000 0 0x1000" download a image to the nand.

then when i want read this image from nand,
is it the start_addr is 0x32000000?

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