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IWR1642: Range profile Output High accuracy FW

Akshay Patel1
Intellectual 690 points
Part Number: IWR1642

Hi,

I read range profile data and plot it, it looks like ADC data.

I checked mss_main.c line 294 UART_writePolling (uartHandle, (uint8_t*)outputData->fft1Dinput, 2 * fft1D_length * sizeof(float));. outputData->fft1Dinput contains ADC data.

Also in dss_data_path.c line 342 memcpy(obj->outputDataToArm->outputData.fft1Dinput, obj->radarProcConfig.highAccuConfig.fft1DIn, sizeof(float) * 2 * obj->numAdcSamples); , fft1DIn is copied to output range profile structure. fft1DIn contains ADC data.

So ADC data is shared from DSS to MSS and same is send over UART.

Is my understanding is correct? Does high accuracy visualiser calculates FFT from ADC data and then plots it? 

Regards,

Akshay