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How to use CMSIS DSP Software Library


I want to know how to find the parameters of IIR and FIR filter functions

parameters like

uint16_t numStages

float32_t * pState

float32_t * pkCoeffs

float32_t * pvCoeffs

Actually i have to implement digital IIR filter on the control side(bessel filter with cutoff frequency 15Hz ).

please help me to find these parameters