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64 lines
1.5 KiB
64 lines
1.5 KiB
4 years ago
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#pragma once
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#ifndef DSY_PHASOR_H
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#define DSY_PHASOR_H
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#ifdef __cplusplus
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namespace daisysp
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{
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/** Generates a normalized signal moving from 0-1 at the specified frequency.
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\todo Selecting which channels should be initialized/included in the sequence conversion.
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\todo Setup a similar start function for an external mux, but that seems outside the scope of this file.
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*/
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class Phasor
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{
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public:
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Phasor() {}
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~Phasor() {}
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/** Initializes the Phasor module
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sample rate, and freq are in Hz
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initial phase is in radians
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Additional Init functions have defaults when arg is not specified:
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- phs = 0.0f
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- freq = 1.0f
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*/
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inline void Init(float sample_rate, float freq, float initial_phase)
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{
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sample_rate_ = sample_rate;
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phs_ = initial_phase;
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SetFreq(freq);
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}
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/** Initialize phasor with samplerate and freq
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*/
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inline void Init(float sample_rate, float freq)
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{
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Init(sample_rate, freq, 0.0f);
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}
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/** Initialize phasor with samplerate
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*/
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inline void Init(float sample_rate) { Init(sample_rate, 1.0f, 0.0f); }
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/** processes Phasor and returns current value
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*/
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float Process();
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/** Sets frequency of the Phasor in Hz
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*/
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void SetFreq(float freq);
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/** Returns current frequency value in Hz
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*/
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inline float GetFreq() { return freq_; }
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private:
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float freq_;
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float sample_rate_, inc_, phs_;
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};
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} // namespace daisysp
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#endif
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#endif
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