Changes between Version 32 and Version 33 of Stuff/FirmwareUpdate


Ignore:
Timestamp:
11/25/10 15:32:46 (13 years ago)
Author:
art
Comment:

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  • Stuff/FirmwareUpdate

    v32 v33  
    2929 
    3030'''Programming''' 
    31  * Host application must send an Init-Chunk-Message: FF 0A F0 FA FF vh vl s2 s1 chk, where: 
     31 * Host application must send an Init-Chunk-Message: FF 07 F0 FA FF vh vl ss chk, where: 
    3232   * vh:vl - major and minor version numbers of the new firmware 
    33    * s2:s1 - 16 bit seed number (can be any random number) 
     33   * ss - 8 bit seed number (can be any random number) 
    3434  
    35  * OpenBM acknowledge each chunk (incl. init chunk) with a message: F0 07 FF FB s2 s1 chk, where: 
    36    * s2:sl - seed number received in the init chunk "xor"ed with the 16bit sum of the chunk data written to the flash 
     35 * OpenBM acknowledge each chunk (incl. init chunk) with a message: F0 04 FF FB sc chk, where: 
     36   * sc - seed number received in the init chunk "xor"ed with the "xor" sum of the chunk data written to the flash 
    3737   * "Init"-chunk is acknowledged by the same seed as received in the init chunk 
    3838