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high speed variable logging

AAH
Prodigy 220 points
Other Parts Discussed in Thread: CONTROLSUITE

Hi,

I am new to UIA instrumentation and am looking for a few answers.

Target : F28069, CCS6, RTOS project.

1. I need to log and plot a variable every 333us. Tried using Log_write1(UIAEvt_intWithKey, variable) in loggerstopmode. This gives 100 samples when stopped. But I need about 4k samples. Is there an alternate method ?

2. Is it possible to stream this variable continuously? Then plot it.

3. I am trying to increase buffer size as much as possible to get more samples. Is it possible to save samples in a file?

Thanks.

AAH.

  • 0
    TI__Mastermind 22760 points
    Hi AAH,
    If you just have a single variable that you want to sample, you could just write it to a buffer, instead of logging it. That would save a lot of space and allow you to get more samples. Then you could use the CCS graph tool to display the buffer. Unfortunately, TI-RTOS does not have drivers for the F28069 that would allow you to upload the data through UART for example. But you might look into ControlSuite and see if there's anything there that may help.
    Best regards,
    Janet