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CCS: Data Variable Tracing. I just see some values, and some times none at all

GOHM ELECTRONICS
Expert 2065 points
Other Parts Discussed in Thread: CC1350, CC2650STK

Tool/software: Code Composer Studio

Hi,

Firstly I just used CC1350 Launchpad. I looked this page  . But When I did everything like this page , I didnt see anything on Data Trace Graph. Then I used CC2650STK with CC1350 Launcpad. I worked pdmstream example and I did same transactions for this project. When I did this , I just see some values and sometimes none at all. I wanted to help in this page  .

1-) Can I use SWO Trace with XDS110 JTAG emulator for use Hardware Trace Analyzer?

2-) Do I have to need  XDS200 JTAG emulator for Hardware Trace Analyzer?

3-) Can I not see anything on Hardware Trace Analyzer when I using CC1350 Launcpad?

Best Regards.

  • 0
    TI__Guru**** 168357 points

    Hi,

    I was able to use the SWO Trace on my CC1350 board, but I inserted the IOCPortConfigureSet API after the board initialization (so it doesn't get overridden by other settings) and made sure to initialize the Hardware Trace after this function as well to prevent any reconfiguration of the master clock to block the SWO Trace. This may explain why sometimes the trace was properly captured and sometimes it was blank. 

    Please check the short clip below with the procedure I followed. 

    Also, there is a possibility that, after a trace capture, you may need to fully power cycle the device (if it was left in some unknown state from the previous run).

    I am using the built-in XDS110 Debug Probe of the CC1350 Launchpad. 

    Hope this helps,

    Rafael

  • 0 in reply to desouza
    Expert 2065 points
    I did same example like you and I wanted to use Data Variable Tracing But I just see 2 values ın Data Trace: Detail. I wanna see all the values when I stop the project. Firstly I wanna see seqNumber variable but it didnt work. then I create new global varıable , It worked but ı just see 2 values in Data Variable Tracing.
    1-) How Can ı see all the values when ı stopped the project?
    2-) Which variable's values Can ı see on Data Variable Tracing?
  • 0 in reply to desouza
    Expert 2065 points
    CC1350 Launchpad doesnt have ETB(Embeddded Trace Buffer). This buffer operates as a circular buffer, continuously capturing trace information until the halted.
    1-) Do I not see all the values when ı stopped the project abaout this reason ?