CMSIS-DSP  Verison 3.0
CMSIS DSP Software Library
arm_fir_interpolate_instance_q31 Struct Reference

Instance structure for the Q31 FIR interpolator.

Data Fields

uint8_t L
uint16_t phaseLength
q31_t * pCoeffs
q31_t * pState

Field Documentation

upsample factor.

points to the coefficient array. The array is of length L*phaseLength.

length of each polyphase filter component.

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