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Altera_Forum's avatar
Altera_Forum
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17 years ago

help: data read from not same as the *.flash file,why?

hi,

i downloaded the *.flash into flash, and run the program successfully, i read the data from ext_flash in nios program, and found it's not the same as the *.flash i used, why?

5 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    Can you please be little specific to have more idea about your problem. Have you downloaded .flash file of your elf or sof or some raw-binary data? And how you are making comparison?

  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    hi,

    my flash only included nios program(elf2flash), configuration data(sof2flash) was in epcs. when Por, the program is run in the course of nature. and then read from flash, i found that the data of flash was not the same as the *.flash(elf2flash). i don't know why.
  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    i had downloaded the files into flash and epcs, and the board run well.

  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    This is because the .flash file is an s-record, which is different than the binary format you would read from the flash chip.

    S-records contain additional information about the data, such as where to put it in memory.