arm_lms_instance_q15 Struct Reference

Instance structure for the Q15 LMS filter.

Data Fields
uint16_t	numTaps
q15_t *	pState
q15_t *	pCoeffs
q15_t	mu
uint32_t	postShift

Field Documentation

q15_t arm_lms_instance_q15::mu

step size that controls filter coefficient updates.

Referenced by arm_lms_init_q15(), and arm_lms_q15().

uint16_t arm_lms_instance_q15::numTaps

number of coefficients in the filter.

Referenced by arm_lms_init_q15(), and arm_lms_q15().

q15_t* arm_lms_instance_q15::pCoeffs

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

Referenced by arm_lms_init_q15(), and arm_lms_q15().

uint32_t arm_lms_instance_q15::postShift

bit shift applied to coefficients.

Referenced by arm_lms_init_q15(), and arm_lms_q15().

q15_t* arm_lms_instance_q15::pState

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

Referenced by arm_lms_init_q15(), and arm_lms_q15().