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TMS320F28835, Error 0x80000240/-233

f.lonnblad
Prodigy 20 points
Other Parts Discussed in Thread: TMS320F28335

Hi

 

I am using CCS, v4.2.4 with a TMS320F28335 and a Blackhawk USB2000 controller and I am getting the error message: " 0x80000240/-233".

What I can see from other previous posts is that the flash might have been locked.

I am wondering if this is the case, can it be unlocked without a password and how this might have happend?

Do you have any other possible explanations to why it is behaving like this?

 

Best Regards

Fredrik Lönnblad

  • TI__Guru**** 173310 points

    Fredrik,

    I would suggest running the dbgjtag utility to check the low level JTAG connection. This wiki page has details on how to do this:
    http://processors.wiki.ti.com/index.php/Dbgjtag. There is also a GUI version of dbgjtag if you find that easier to use than a command line tool.

    Is this a eZdsp or a custom board? Do you have access to any other emulators to see if the connection works? If you're using the eZdsp, it has a built-in emulation which you can try out. This could help narrow down the issue.

    If the issue is really because the device is locked, there may not be much you can do. This thread has some tips for viewing the memory contents to see what has been programmed to the password locations for your specific device.

  • in reply to AartiG
    Prodigy 20 points

    The dsp is attached to a dev-board from TI and we also have another board with a socket for the dev-board together with a usb and jtag interface.

    We have tried the BlackHawk with another dev-board and it works.

    We have also tried downloading new software to the "broken" dev-board both with a second Blackhawk and through the USB interface and this does not work.

    I can also say that the code currently on the "broken" dev-board is executing as it should be.

    I will take a look at dbgjtag tomorrow at work!

     

    / Fredrik