CMSIS-DSP  Version 1.8.0
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arm_fir_decimate_instance_q15 Struct Reference

Instance structure for the Q15 FIR decimator.

Data Fields

uint8_t M
uint16_t numTaps
const q15_tpCoeffs

Field Documentation

uint8_t arm_fir_decimate_instance_q15::M

decimation factor.

uint16_t arm_fir_decimate_instance_q15::numTaps

number of coefficients in the filter.

const q15_t* arm_fir_decimate_instance_q15::pCoeffs

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

q15_t* arm_fir_decimate_instance_q15::pState

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