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TI Home » TI E2E Community » Support Forums » Development Tools » Code Composer Studio » Code Composer Forum » why "memory access not attempted by the driver" ?
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  • why "memory access not attempted by the driver" ?

    why "memory access not attempted by the driver" ?

    This question is not answered
    xunliang ma
    Posted by xunliang ma
    on Mar 21 2012 05:26 AM
    Intellectual285 points

    Hi all

          I look for my ROM revision on the OMAP-L138EVM( logic PD ) refering the instruction in SPRAB41D《Using the OMAP-L132/L138 Bootloader》,after connect the EVM to my PC,  i find nothing on the memory window as below.

                   so i want to know why i can't view the memory value?is that need more setting on CCS4.2? or i need to change my GEL file? my GEL file was copy from the SD card on OMAP-L138EVM ,which is " ****\OMAP-L138_GEL_BSL_Files_v2.3\gel\OMAPL138_ARM.gel".

                  besides, every time when i connect  the  EVM to my PC, there will be a box as below , it show "the GEL callback "ontargetconnect"......is still processing", so i think the problem above may be cause by it, am i correct? and how can i get the correct GEL file if my GEL file is incorrect?

    regards

    xunliang

    omapl138 CCS4 memory access
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    • Ki-Soo Lee
      Posted by Ki-Soo Lee
      on Mar 21 2012 11:26 AM
      Guru116780 points

      Hello xunliang,

      xunliang ma
      after connect the EVM to my PC,  i find nothing on the memory window as below.

      It is displaying the contents of memory. You have 'Character' selected for the format type. hence it is trying to display the ASCII value (showing "NULL" for '0x0'). Change the format type to see the actual value.

      xunliang ma
              besides, every time when i connect  the  EVM to my PC, there will be a box as below , it show "the GEL callback "ontargetconnect"......is still processing", so i think the problem above may be cause by it, am i correct? and how can i get the correct GEL file if my GEL file is incorrect?

      I believe this is a known issue when using XDS100v1 with the L138. Because of the slow performance of the XDS100v1, some actions in the OnTargetConnect routine may timeout and that dialog can pop-up.

      However I don't see that issue with my 4.2.5 install. If you are not using 4.2.5, you may want to try updating to that and see if it helps.

      Thanks

      ki

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    • xunliang ma
      Posted by xunliang ma
      on Mar 21 2012 19:38 PM
      Intellectual285 points

      HI  ki

      "It is displaying the contents of memory. You have 'Character' selected for the format type. hence it is trying to display the ASCII value (showing "NULL" for '0x0'). Change the format type to see the actual value."

      i have tried  all format type and find that it no use, it display all "0", such as the figure below. how it can be this?

      omapl138 CCS4 memory access
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    • xunliang ma
      Posted by xunliang ma
      on Mar 22 2012 01:07 AM
      Intellectual285 points

      besides, when i run my program and put my mouse on the dot, it will display:"memory request failed[adrs 0xfffd0000-0xfffd0000]  memory update info.is aborted = ture", like the figure below:

      my CCS revision is 4.2.0, need i update it to the latest revision?

      omapl138 CCS4 memory access
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