You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.5 KiB
63 lines
1.5 KiB
#pragma once
|
|
#ifndef DSY_PHASOR_H
|
|
#define DSY_PHASOR_H
|
|
#ifdef __cplusplus
|
|
|
|
namespace daisysp
|
|
{
|
|
/** Generates a normalized signal moving from 0-1 at the specified frequency.
|
|
|
|
\todo Selecting which channels should be initialized/included in the sequence conversion.
|
|
\todo Setup a similar start function for an external mux, but that seems outside the scope of this file.
|
|
|
|
*/
|
|
class Phasor
|
|
{
|
|
public:
|
|
Phasor() {}
|
|
~Phasor() {}
|
|
/** Initializes the Phasor module
|
|
sample rate, and freq are in Hz
|
|
initial phase is in radians
|
|
Additional Init functions have defaults when arg is not specified:
|
|
- phs = 0.0f
|
|
- freq = 1.0f
|
|
*/
|
|
inline void Init(float sample_rate, float freq, float initial_phase)
|
|
{
|
|
sample_rate_ = sample_rate;
|
|
phs_ = initial_phase;
|
|
SetFreq(freq);
|
|
}
|
|
|
|
/** Initialize phasor with samplerate and freq
|
|
*/
|
|
inline void Init(float sample_rate, float freq)
|
|
{
|
|
Init(sample_rate, freq, 0.0f);
|
|
}
|
|
|
|
/** Initialize phasor with samplerate
|
|
*/
|
|
inline void Init(float sample_rate) { Init(sample_rate, 1.0f, 0.0f); }
|
|
/** processes Phasor and returns current value
|
|
*/
|
|
float Process();
|
|
|
|
|
|
/** Sets frequency of the Phasor in Hz
|
|
*/
|
|
void SetFreq(float freq);
|
|
|
|
|
|
/** Returns current frequency value in Hz
|
|
*/
|
|
inline float GetFreq() { return freq_; }
|
|
|
|
private:
|
|
float freq_;
|
|
float sample_rate_, inc_, phs_;
|
|
};
|
|
} // namespace daisysp
|
|
#endif
|
|
#endif
|
|
|