3.1.1 Sample Acquisition Parameters

  • PIR_OVERSAMPLE_RATE
    • This parameter sets the numbers of times the signal is oversampled. Increasing this parameter will result in an increased resolution, thus increasing the detection range, but it will also increase power consumption. Decreasing this parameter will have the opposite effect on the detection range and power consumption.
  • PIR_SAMPLE_RATE_PER_SECOND
    • This parameter sets the number of samples done each second. Increasing this parameter will make the application respond faster to movement, increase the detection range, but it will also increase power consumption. Decreasing this parameter will have the opposite effect on responsiveness, range, and power consumption.
  • PIR_PGA_GAIN
    • This parameter sets the PGA gain. Increasing or decreasing this parameter will affect the PGA gain resulting in a higher or lower signal to the ADC, which will affect the effective detection range that the system. Changing the gain will not affect power consumption.