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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » C5000 Ultra Low Power DSP » C5000 Ultra Low Power DSP Forum » Problem with FIR filter in ezdsp C5502
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  • Problem with FIR filter in ezdsp C5502

    Problem with FIR filter in ezdsp C5502

    This question is not answered
    Avik Dayal
    Posted by Avik Dayal
    on Apr 23 2012 17:05 PM
    Prodigy110 points

    Hello, 

    I am trying to use the FIR example provided by the DSPLIB, but am getting several errors. I am new at using Code Composer but I was not able to find the solution to my problem online. I am using a C5502 EzDSP with CCSv4, but I am unable to get the FIR filter example provided by DSPLIB to work. I imported the project to the my workspace adn the project built fine, but I am had an error when I debugged the project. The 55x.cmd file that came with the program generated an error shown below.

    C55xx: File Loader: Data verification failed at address 0x00FFFF00 Please verify target memory and memory map.
    Error found during data verification.
    Ensure the linker command file matches the memory map.
    What I then do is replace the code from the 55x.cmd file with the code from the linkx file that came with the examples that were listed under the board. 
    It seems to compile and load onto the board, but I'm not sure if the code is running properly on the board. 
    When I do a step into the code, it steps to the first line(which is blank in the program and stays there. In disassemby, it stays at the line:
    0x003E16:   2294                     MOV AR1,T0
    and none of the variables in my program seem to be updating. In addition, I put a printf in my code to see if it would 
    execute, but it didn't do anything. I have run other  examples that came with the board but they run fine. The only thing
     is that all of the examples from DSPLIB do not run and all have the same problem as the FIR project. I feel as though 
    this should be a pretty easy example that should run easily. Does anyone have any experience with this?
    DSPLib C5502 eZdsp FIR
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    • Avik Dayal
      Posted by Avik Dayal
      on Apr 25 2012 11:40 AM
      Prodigy110 points

      If anyone has any idea what to do or has used DSPLIB on EzDSP, could they help, because I am really struggling with this problem.

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