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CC3235SF: Files being created in the File System..

Newman
Expert 6005 points
Part Number: CC3235SF

Hi Team WiFi,

My customer has the following question..

After doing multiple OTA’s to the CC3235SF or may be after running the chip for long time. I am seeing below files created in the file system of the CC3235SF. Please can you give more information on why these files are getting created and do we need these files? I was not able to find

 [17:06:37.210] Name: /sys/phya.cal

[17:06:37.213] AllocatedBlocks: 6
[17:06:37.217] MaxSize(byte): 11848
[17:06:37.221] Flags
: [17:06:37.223] No valid copy
,[17:06:37.227]

[17:06:37.229] Name: /sys/phya.cal

[17:06:37.232] AllocatedBlocks: 6
[17:06:37.236] MaxSize(byte): 11848
[17:06:37.240] Flags

Because we don’t have much space in the chip for OTA and these files are consuming a lot.

Thanks, Merril

  • 0
    TI__Mastermind 28285 points

    Hi Merrill,

    This is the 5ghz(a band) phy calibration file. It's required by the system to have on the file system, so unfortunately you won't be able to delete it.

    BR,

    Vince

  • 0 in reply to Vincent Rodriguez
    TI__Expert 6005 points

    Hi Vince,

    Thx!  Is there only one of these files or do they keep accumulating/adding.. a new file added at every calibration?  Are there also 2.5GHz cal file(s)?

    Thanks, Merril

  • 0 in reply to Newman
    TI__Mastermind 28285 points

    Should be only one, and a Phy.cal for 2.4ghz as well.

  • 0 in reply to Vincent Rodriguez
    Intellectual 260 points

    Hi Vince,

    We see that there are more than 2 files getting created

    [02:15:39.608] Name: share_data_with_kohler_filename.cfg
    [02:15:39.613] AllocatedBlocks:     1
    [02:15:39.617] MaxSize(byte):  3656
    [02:15:39.621] Flags
    : [02:15:39.623] File safe
    ,[02:15:39.626]

    [02:15:39.628] Name: /sys/phya.cal
    [02:15:39.632] AllocatedBlocks:     6
    [02:15:39.636] MaxSize(byte): 11848
    [02:15:39.639] Flags
    : [02:15:39.642] No valid copy
    ,[02:15:39.645]

    [02:15:39.647] Name: /sys/phya.cal
    [02:15:39.651] AllocatedBlocks:     6
    [02:15:39.655] MaxSize(byte): 11848
    [02:15:39.658] Flags
    : [02:15:39.661] No valid copy
    ,[02:15:39.664]

    [02:15:39.669] Name: /sys/phya.cal
    [02:15:39.672] AllocatedBlocks:     6
    [02:15:39.676] MaxSize(byte): 11848
    [02:15:39.680] Flags
    : [02:15:39.682] No valid copy
    ,[02:15:39.685]

    [02:15:39.687] Name: /sys/phya.cal
    [02:15:39.691] AllocatedBlocks:     6
    [02:15:39.695] MaxSize(byte): 11848
    [02:15:39.699] Flags
    : [02:15:39.701] No valid copy
    ,[02:15:39.704]

    And none of them is closed. so it is showing no valid copy. I am not sure why this is the case. If these copies keep on growing its going to be a problem for us.

    Thanks,

    krishna

  • 0 in reply to Krishna Poduru
    TI__Mastermind 28285 points

    Hmm, yes this shouldn't be happening. looks like the phya.cal is getting corrupted and the system is creating a new one. Does this occur only when you OTA? Is it only one additional file each time you OTA?

    Secondly, can you take NWP logs of this? https://processors.wiki.ti.com/index.php/CC3120_%26_CC3220_Capture_NWP_Logs

    BR,

    Vince