sbl::widgets::mod::Lfo< TableSize > Class Template Reference

#include <lfo.hpp>

Collaboration diagram for sbl::widgets::mod::Lfo< TableSize >:

Public Member Functions
void	set_wavetable (const float *table)
	Set wavetable (must have guard points for interpolation)
void	set_rate (float freq_hz, float sr=48000.0f)
	Set LFO rate in Hz.
void	set_increment (uint32_t inc)
	Set phase increment directly.
void	set_depth (float depth)
	Set output amplitude (depth)
void	process (float *out, uint16_t frames)
	Generate modulation signal (bipolar: -depth to +depth)
void	sync ()
	Hard sync — reset phase to zero.
float	value () const
	Current LFO value (bipolar, float)
uint32_t	phase () const
	Current phase.
uint32_t	increment () const
	Current phase increment.

Detailed Description

template<uint16_t TableSize>
class sbl::widgets::mod::Lfo< TableSize >

Definition at line 44 of file lfo.hpp.

Member Function Documentation

increment()

template<uint16_t TableSize>

uint32_t sbl::widgets::mod::Lfo< TableSize >::increment ( ) const

inline

Current phase increment.

Definition at line 100 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::increment().

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phase()

template<uint16_t TableSize>

uint32_t sbl::widgets::mod::Lfo< TableSize >::phase ( ) const

inline

Current phase.

Definition at line 97 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::phase().

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process()

template<uint16_t TableSize>

void sbl::widgets::mod::Lfo< TableSize >::process ( float *  out, uint16_t  frames  )

inline

Generate modulation signal (bipolar: -depth to +depth)

Parameters

out	Output buffer (float)
frames	Number of samples

Definition at line 81 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::advance(), sbl::dsp::PhaseAccumulator::phase(), and sbl::dsp::WavetableReader< Size >::read().

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set_depth()

template<uint16_t TableSize>

void sbl::widgets::mod::Lfo< TableSize >::set_depth ( float  depth )

inline

Set output amplitude (depth)

Controls the bipolar output range: output = wavetable * depth. Default is 1.0 — full ±1.0 normalized swing. Use values in [0, 1] for amplitude scaling. The caller applies domain conversion (exponential for frequency, linear for amplitude) at the modulation destination.

Parameters

depth

Output amplitude (1.0 = full ±1.0 swing)

Definition at line 74 of file lfo.hpp.

set_increment()

template<uint16_t TableSize>

void sbl::widgets::mod::Lfo< TableSize >::set_increment ( uint32_t  inc )

inline

Set phase increment directly.

Definition at line 61 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::set_increment().

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set_rate()

template<uint16_t TableSize>

void sbl::widgets::mod::Lfo< TableSize >::set_rate ( float  freq_hz, float  sr = 48000.0f  )

inline

Set LFO rate in Hz.

Parameters

freq_hz	Rate in Hz (e.g., 2.0f)
sr	Sample rate (default 48000)

Definition at line 56 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::freq_to_inc(), and sbl::dsp::PhaseAccumulator::set_increment().

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set_wavetable()

template<uint16_t TableSize>

void sbl::widgets::mod::Lfo< TableSize >::set_wavetable ( const float *  table )

inline

Set wavetable (must have guard points for interpolation)

Note

All public methods are ISR-safe — bounded computation, no I/O.

Definition at line 49 of file lfo.hpp.

References sbl::dsp::WavetableReader< Size >::set_table().

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sync()

template<uint16_t TableSize>

void sbl::widgets::mod::Lfo< TableSize >::sync ( )

inline

Hard sync — reset phase to zero.

Definition at line 89 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::reset().

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value()

template<uint16_t TableSize>

float sbl::widgets::mod::Lfo< TableSize >::value ( ) const

inline

Current LFO value (bipolar, float)

Definition at line 92 of file lfo.hpp.

References sbl::dsp::PhaseAccumulator::phase(), and sbl::dsp::WavetableReader< Size >::read().

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

• src/sbl/widgets/mod/lfo.hpp