arm_biquad_cas_df1_32x64_ins_q31 Struct Reference

Instance structure for the high precision Q31 Biquad cascade filter. More...

`#include <arm_math.h>`

## Public Attributes | |

uint8_t | numStages |

q31_t * | pCoeffs |

uint8_t | postShift |

q63_t * | pState |

Instance structure for the high precision Q31 Biquad cascade filter.

Definition at line 3761 of file arm_math.h.

uint8_t arm_biquad_cas_df1_32x64_ins_q31::numStages |

number of 2nd order stages in the filter. Overall order is 2*numStages.

Definition at line 3763 of file arm_math.h.

q31_t* arm_biquad_cas_df1_32x64_ins_q31::pCoeffs |

points to the array of coefficients. The array is of length 5*numStages.

Definition at line 3765 of file arm_math.h.

uint8_t arm_biquad_cas_df1_32x64_ins_q31::postShift |

additional shift, in bits, applied to each output sample.

Definition at line 3766 of file arm_math.h.

q63_t* arm_biquad_cas_df1_32x64_ins_q31::pState |

points to the array of state coefficients. The array is of length 4*numStages.

Definition at line 3764 of file arm_math.h.

The documentation for this struct was generated from the following file: