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IWR1443BOOST: num of ADC samples in profileCfg of Capture Demo and Level_sense_demo?

feng tang
Genius 3595 points
Part Number: IWR1443BOOST

I am able to pull the Raw data out from IWR1443boost, but I have to use "num of adc sample" as power of 2, such as 256, 512, what is the different for "num of adc sample" in  "level_sense_demo" " common.h" and in "profileCfg" of capture demo? in "level_sense_demo" " common.h" CFG2 num_ADC_samples=975, if I use 975 in profileCfg for num_ADC_sample, I get error -1, someone know what is going on?

Thanks

  • 0
    TI__Prodigy 90 points

    For posterity, setting num_ADC_sample to 985 works.

  • 0
    TI__Mastermind 21025 points
    It is difficult to answer your question with the information provided. It is not clear what you are doing or looking at, as there is no common.h in either demo. Or where the error -1 is coming from. If I had to guess, I would say that num_adc_samples may used with different restrictions in the two demos, or that the rest of the chirp configuration isn't compatible with 975 and is throwing an error. Have you checked the chirp configuration or the demo code that is causing the error to see if that gives you a hint?