CMSIS-DSP  
CMSIS DSP Software Library
 
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arm_fir_instance_q31 Struct Reference

Instance structure for the Q31 FIR filter. More...

Data Fields

uint16_t numTaps
 
q31_tpState
 
const q31_tpCoeffs
 

Description

Instance structure for the Q31 FIR filter.

Field Documentation

◆ numTaps

uint16_t numTaps

number of filter coefficients in the filter.

◆ pCoeffs

const q31_t* pCoeffs

points to the coefficient array. The array is of length numTaps.

◆ pState

q31_t* pState

points to the state variable array. The array is of length numTaps+blockSize-1.