CMSIS-DSP  Verison 3.0
CMSIS DSP Software Library
arm_fir_decimate_instance_q31 Struct Reference

Instance structure for the Q31 FIR decimator.

Data Fields

uint8_t M
uint16_t numTaps
q31_t * pCoeffs
q31_t * pState

Field Documentation

decimation factor.

number of coefficients in the filter.

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

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