Added DaisySP

daisysp/Noise/clockednoise.h

@@ -0,0 +1,66 @@
+/*
+Copyright (c) 2020 Electrosmith, Corp, Emilie Gillet
+
+Use of this source code is governed by an MIT-style
+license that can be found in the LICENSE file or at
+https://opensource.org/licenses/MIT.
+*/
+
+#pragma once
+#ifndef DSY_CLOCKEDNOISE_H
+#define DSY_CLOCKEDNOISE_H
+
+#include <stdint.h>
+#ifdef __cplusplus
+
+/** @file clockednoise.h */
+
+namespace daisysp
+{
+/**  
+           @brief Clocked Noise Module
+       @author Ported by Ben Sergentanis 
+       @date Jan 2021 
+       Noise processed by a sample and hold running at a target frequency. \n \n
+       Ported from pichenettes/eurorack/plaits/dsp/noise/clocked_noise.h \n
+       to an independent module. \n
+       Original code written by Emilie Gillet in 2016. \n
+*/
+class ClockedNoise
+{
+  public:
+    ClockedNoise() {}
+    ~ClockedNoise() {}
+
+    /** Initialize module    
+        \param sample_rate Audio engine sample rate
+    */
+    void Init(float sample_rate);
+
+    /** Get the next floating point sample */
+    float Process();
+
+    /** Set the frequency at which the next sample is generated.
+        \param freq Frequency in Hz
+    */
+    void SetFreq(float freq);
+
+    /** Calling this forces another random float to be generated */
+    void Sync();
+
+  private:
+    // Oscillator state.
+    float phase_;
+    float sample_;
+    float next_sample_;
+
+    // For interpolation of parameters.
+    float frequency_;
+
+    float sample_rate_;
+
+    static constexpr float kRandFrac = 1.f / (float)RAND_MAX;
+};
+} // namespace daisysp
+#endif
+#endif