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arm_iir_lattice_instance_q31 Struct Reference

Instance structure for the Q31 IIR lattice filter.

Data Fields

uint16_t numStages

Field Documentation

uint16_t arm_iir_lattice_instance_q31::numStages

number of stages in the filter.

q31_t* arm_iir_lattice_instance_q31::pkCoeffs

points to the reflection coefficient array. The array is of length numStages.

q31_t* arm_iir_lattice_instance_q31::pState

points to the state variable array. The array is of length numStages+blockSize.

q31_t* arm_iir_lattice_instance_q31::pvCoeffs

points to the ladder coefficient array. The array is of length numStages+1.