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Dependencies: target-freescale
arm_biquad_casd_df1_inst_q15 Struct Reference
Instance structure for the Q15 Biquad cascade filter. More...
#include <arm_math.h>
| Data Fields | |
| int8_t | numStages | 
| number of 2nd order stages in the filter. | |
| q15_t * | pState | 
| Points to the array of state coefficients. | |
| q15_t * | pCoeffs | 
| Points to the array of coefficients. | |
| int8_t | postShift | 
| Additional shift, in bits, applied to each output sample. | |
Detailed Description
Instance structure for the Q15 Biquad cascade filter.
Definition at line 1275 of file arm_math.h.
Field Documentation
| int8_t numStages | 
number of 2nd order stages in the filter.
Overall order is 2*numStages.
Definition at line 1277 of file arm_math.h.
| q15_t* pCoeffs | 
Points to the array of coefficients.
The array is of length 5*numStages.
Definition at line 1279 of file arm_math.h.
| int8_t postShift | 
Additional shift, in bits, applied to each output sample.
Definition at line 1280 of file arm_math.h.
| q15_t* pState | 
Points to the array of state coefficients.
The array is of length 4*numStages.
Definition at line 1278 of file arm_math.h.
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 1.7.2