mbed-dev library fork for STM32F100R6 microcontroller (LQFP64, 24MHz, 32kB flash, 4kB ram, 2-channel DAC, HDMI CEC, very cheap) . Use in online compiler (instead mbed library) with selected platform Nucleo F103RB.
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arm_biquad_cas_df1_32x64_ins_q31 Struct Reference
Instance structure for the high precision Q31 Biquad cascade filter. More...
#include <arm_math.h>
Data Fields | |
uint8_t | numStages |
number of 2nd order stages in the filter. | |
q63_t * | pState |
points to the array of state coefficients. | |
q31_t * | pCoeffs |
points to the array of coefficients. | |
uint8_t | postShift |
additional shift, in bits, applied to each output sample. |
Detailed Description
Instance structure for the high precision Q31 Biquad cascade filter.
Definition at line 3772 of file arm_math.h.
Field Documentation
uint8_t numStages |
number of 2nd order stages in the filter.
Overall order is 2*numStages.
Definition at line 3774 of file arm_math.h.
q31_t* pCoeffs |
points to the array of coefficients.
The array is of length 5*numStages.
Definition at line 3776 of file arm_math.h.
uint8_t postShift |
additional shift, in bits, applied to each output sample.
Definition at line 3777 of file arm_math.h.
q63_t* pState |
points to the array of state coefficients.
The array is of length 4*numStages.
Definition at line 3775 of file arm_math.h.
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