math::LowPassFilter2p Class Reference

#include <LowPassFilter2p.hpp>

Collaboration diagram for math::LowPassFilter2p:

Public Member Functions
	LowPassFilter2p (float sample_freq, float cutoff_freq)
void	set_cutoff_frequency (float sample_freq, float cutoff_freq)
float	apply (float sample)
	Add a new raw value to the filter. More...
float	get_cutoff_freq () const
float	reset (float sample)

Private Attributes
float	_cutoff_freq {0.0f}
float	_a1 {0.0f}
float	_a2 {0.0f}
float	_b0 {0.0f}
float	_b1 {0.0f}
float	_b2 {0.0f}
float	_delay_element_1 {0.0f}
float	_delay_element_2 {0.0f}

Detailed Description

Definition at line 43 of file LowPassFilter2p.hpp.

Constructor & Destructor Documentation

LowPassFilter2p()

math::LowPassFilter2p::LowPassFilter2p ( float  sample_freq, float  cutoff_freq  )

inline

Definition at line 47 of file LowPassFilter2p.hpp.

Member Function Documentation

apply()

float math::LowPassFilter2p::apply

(

float

sample

)

Add a new raw value to the filter.

Returns

retrieve the filtered result

Definition at line 75 of file LowPassFilter2p.cpp.

References _a1, _a2, _b0, _b1, _b2, _delay_element_1, and _delay_element_2.

Referenced by DfMpu9250Wrapper::_publish(), MS5525::collect(), SDP3X::collect(), MEASAirspeed::collect(), reset(), and control::BlockLowPass2::update().

Here is the caller graph for this function:

get_cutoff_freq()

float math::LowPassFilter2p::get_cutoff_freq ( ) const

inline

Definition at line 64 of file LowPassFilter2p.hpp.

References lps22hb::reset().

Referenced by control::BlockLowPass2::update().

Here is the call graph for this function:

Here is the caller graph for this function:

reset()

float math::LowPassFilter2p::reset

(

float

sample

)

Definition at line 94 of file LowPassFilter2p.cpp.

References _b0, _b1, _b2, _delay_element_1, _delay_element_2, and apply().

Here is the call graph for this function:

set_cutoff_frequency()

void math::LowPassFilter2p::set_cutoff_frequency	(	float	sample_freq,
		float	cutoff_freq
	)

Definition at line 43 of file LowPassFilter2p.cpp.

References _a1, _a2, _b0, _b1, _b2, _cutoff_freq, _delay_element_1, _delay_element_2, f(), and M_PI_F.

Referenced by DfMpu9250Wrapper::DfMpu9250Wrapper(), and control::BlockLowPass2::update().

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

_a1

float math::LowPassFilter2p::_a1 {0.0f}

private

Definition at line 73 of file LowPassFilter2p.hpp.

Referenced by apply(), and set_cutoff_frequency().

_a2

float math::LowPassFilter2p::_a2 {0.0f}

private

Definition at line 74 of file LowPassFilter2p.hpp.

Referenced by apply(), and set_cutoff_frequency().

_b0

float math::LowPassFilter2p::_b0 {0.0f}

private

Definition at line 76 of file LowPassFilter2p.hpp.

Referenced by apply(), reset(), and set_cutoff_frequency().

_b1

float math::LowPassFilter2p::_b1 {0.0f}

private

Definition at line 77 of file LowPassFilter2p.hpp.

Referenced by apply(), reset(), and set_cutoff_frequency().

_b2

float math::LowPassFilter2p::_b2 {0.0f}

private

Definition at line 78 of file LowPassFilter2p.hpp.

Referenced by apply(), reset(), and set_cutoff_frequency().

_cutoff_freq

float math::LowPassFilter2p::_cutoff_freq {0.0f}

private

Definition at line 71 of file LowPassFilter2p.hpp.

Referenced by set_cutoff_frequency().

_delay_element_1

float math::LowPassFilter2p::_delay_element_1 {0.0f}

private

Definition at line 80 of file LowPassFilter2p.hpp.

Referenced by apply(), reset(), and set_cutoff_frequency().

_delay_element_2

float math::LowPassFilter2p::_delay_element_2 {0.0f}

private

Definition at line 81 of file LowPassFilter2p.hpp.

Referenced by apply(), reset(), and set_cutoff_frequency().

---

The documentation for this class was generated from the following files:

• src/lib/mathlib/math/filter/LowPassFilter2p.hpp
• src/lib/mathlib/math/filter/LowPassFilter2p.cpp