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Altera_Forum's avatar
Altera_Forum
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17 years ago

USB-Blaster Uploading/Downloading Problems

Program: Quartus II Programmer Only

Device: USB Blaster Rev C.

Here is my problem:

Right now I can use the USB Blaster to configure and program specific chips on board but what I want to also do is be able to download the existing file from on board chip. Basically I want to reverse the process. I want to give myself the original firmware that exists on-board so that I have something to fall back on just in-case.

I first do auto-detect and I get my list of programmable chips. I then can only Program/Configure or Blank-Check all while under JTAG mode. What do I have to do to be able to save the firmware/file from the on-board chip? Do I need the complete Quartus II software/Web edition/Student edition?

Thank you in-advance

5 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    --- Quote Start ---

    you need to be more specific. what chip?

    --- Quote End ---

    EPM7192s and EPM7128s
  • Altera_Forum's avatar
    Altera_Forum
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    17 years ago

    It's very easy. You can't read back ("examine") the CPLD data after performing autodetect, probably, because the ID information is insufficient to determine the configuration stream size or similar issues. But after adding the same device with "Add Device" function and deleting the autodetected one, you can. May be, you can find this information in the Quartus Handbook, but in my opinion, it's more easy to check it out.

  • Altera_Forum's avatar
    Altera_Forum
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    14 years ago

    --- Quote Start ---

    Am I not providing enough information? Anyone?

    --- Quote End ---

    Hello could you solve your problem?? For that the same thing spends to me