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while compiling no error., while debug getting error

Thiyagarajan . S
Expert 2570 points
Other Parts Discussed in Thread: TMS320C6745

Hi, 

am working on TMS320C6745 DSP with XDS100 V1 emulator. am doing some image processing project., it requires large large memory for my project., 

i wrote the code for my project, while compiling am not getting any error but while debug am getting the below error., . how to solve these errors ?????

Write error: Invalid File ID (51967) in CIO message!
Read error: Invalid File ID (54015) in CIO message!

  • 0
    TI__Guru** 116100 points
    What code are you trying ?
    Is that from TI release or own code ?
    Which line causes the error ?
    Try to do step by step debug or step over to findout the code which causes the error.
  • 0 in reply to Titusrathinaraj Stalin
    Expert 2570 points

    hi Titu, 

    Thsnks for you kind reply, 

    1. am trying one image processing project.

    2. its my own code , not release from TI.

    3. Error causes at the line after one printf and scanf , later it try to enter some function . 

    Many Thanks, 

    Thiyagarajan.S

  • 0 in reply to Thiyagarajan . S
    TI__Guru** 116100 points

    Do you have allocated memory for CIO section in cmd file ?
    Need to allocate memory for scanf & printf fns in cmd file.

    Ex:
    In *.cmd, put entry like below (DDR)

    .cio > DDR

    Please refer to the following TI wiki.

    http://processors.wiki.ti.com/index.php/Tips_for_using_printf

  • 0 in reply to Titusrathinaraj Stalin
    Expert 2570 points
    Hi,

    yeah i allocated memory sections for cio .. the followings are my linker cmd file

    -l rts64plus.lib
    -l ../../common/Debug/driver_lib.lib

    -stack 0x00000800 /* Stack Size */
    -heap 0x00000800 /* Heap Size */

    MEMORY
    {
    VECS: o = 0xFFFF0000 l = 0x00000080
    ARMRAM: o = 0xFFFF0080 l = 0x00001f80
    DSPRAM: o = 0x11800000 l = 0x00040000
    SHAREDRAM: o = 0x80000000 l = 0x00020000
    SDRAM: o = 0xC0000000 l = 0x20000000
    }

    SECTIONS
    {
    .bss > SHAREDRAM
    .cinit > SHAREDRAM
    .cio > SHAREDRAM
    .const > SHAREDRAM
    .stack > SHAREDRAM
    .sysmem > SHAREDRAM
    .text > SHAREDRAM
    .switch > SHAREDRAM
    .far > SHAREDRAM
    }
  • 0 in reply to Thiyagarajan . S
    TI__Mastermind 43955 points

    Hi Thiyagarajan,

    Would like to understand why the UARTputs and UARTgets/UARTgetc cannot be used in place of printf and scanf?

    Regards,

    Shankari

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  • 0 in reply to Shankari G
    Expert 2570 points
    Shankari G,

    Thanks for your apt answer., i removed the printf and scanf in the coding, then CIO error was solved.,

    May i know the reason y it is so happening and y i cant use printf and scanf ???