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RTOS/AWR1642BOOST: GPADC config and reading data in SDK

Madan K Avhad
Expert 1260 points
Part Number: AWR1642BOOST
Other Parts Discussed in Thread: AWR1642

Tool/software: TI-RTOS

Hi,

I am using mmw demo, need some guide to configure GPADC_1 for external peripheral and compute the ADC values inside the SDK at MSS side.

Please suggest the way to do.

Regards

Madan

  • 0
    TI__Guru 69990 points
    Hello Madan,
    On AWR1642 user can enable GPADC to read external input signal and this measurement is done by RadarSS of the device.
    To configure RadarSS application needs to invoke 'rlSetGpAdcConfig' API of mmWaveLink with pin selection and the number of samples.

    GPADC operates at 625 ksps i.e. each output sample at 1.6us, so the number of samples application provides RadarSS captures that many no. of samples and generates Min/Max/Avg values for requested input signals.

    Measured data is then sent back in form of Asynchronous event (RL_RF_AE_GPADC_MEAS_DATA_SB) from RadarSS, where data will be in form of MAX, MIN, AVG for different input signals.


    Regards,
    Jitendra