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Graph Tools Limitation?

johny radio
Expert 1280 points

Other Parts Discussed in Thread: CC1310

What is the longest array buffer that the code composer studio graph tools can support?

We're graphing the output of the I2S interface of part CC1310. 

We're seeing apparent corruption or truncation in the graph at every 256th element, but our raw data doesn't show the same corruption.

  • 0
    TI__Guru**** 482311 points

    Hello,

    The main limitation of the CCS Graph Tool isthe potential for inaccuracy when used in a "real-time" environment (target is running and CCS Graph is continuously refreshed/updated to mimic a real scope). It isn't really designed for that kind of usage due to various limiations with the graph refresh rate and latencies involving the JTAG communication between debugger and target. 

    However, it should be accurate when used as a snapshot when the target is halted. Are you using the graphs that way and seeing the inaccuracy then?

    Thanks

    ki

  • 0 in reply to Ki
    Expert 1280 points

    We are stopping it, and comparing what we're seeing in raw data ("memory browser") with graphed data in the graph. 

    We're stopping the target device at a breakpoint, and inspecting. 

    Our raw data doesn't show the same corruption.

    Does the graph have a 256 limit?

    We are using Code Composer Studio v 10.4.0.00006.

    Texas Instruments Component Version: 10.4.0.202105291800
    Build id: N202105291800
  • 0 in reply to johny radio
    TI__Guru**** 482311 points

    Can you post your graph properties? You can export to a file and post it if you wish. A screenshot is also good.

    Thanks

    ki