Diff: Instrument.h

Revision:

0:727737138ac5

Child:

4:b2423ad4b248

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Instrument.h	Sun Nov 09 08:00:33 2014 +0000
@@ -0,0 +1,57 @@
+#ifndef INSTRUMENT_H_
+#define INSTRUMENT_H_
+
+#include <stdint.h>
+#include "Wavetable.h"
+
+class Instrument {
+private:
+    uint16_t          samplingRate;      // sampling rate
+    uint8_t           channelId;         // channel ID
+    bool              enableFlag;        // enable flag (whether this instrument is enabled)
+    int32_t           soundingPosition;  // currently sounding note position
+    uint32_t          duration;          // sounding duration
+    Wavetable::wave_t wave;          // wave parameters
+    uint16_t          frequency;         // wave frequency
+    uint8_t           masterVolume;      // + master volume
+    uint8_t           volume;            //    |- volume
+    uint8_t           expression;        //    |- expression    (volume multiplier)
+    uint8_t           velocity;          //    |- note velocity (volume multiplier)
+    uint16_t          phase;             // current phase          (x256)
+    uint16_t          phaseDelta;        // phase delta per sample (x256)
+    
+public:
+    Instrument();
+    ~Instrument();
+
+    void enable();
+    void disable();
+    void setSamplingRate(uint16_t);
+    void advancePhase();
+    void resetPhase();
+    void setWave(Wavetable::wave_t);
+    void setFrequency(uint16_t);
+    void setVolume(uint8_t);
+    void setExpression(uint8_t);
+    void setVelocity(uint8_t);
+    
+    uint16_t getSamplingRate();
+    uint8_t getChannelId();
+    bool isEnable();
+    int16_t getSoundingPosition();
+    uint32_t getDuration();
+    Wavetable::wave_t getWave();
+    uint16_t getFrequency();
+    uint8_t getMasterVolume();
+    uint8_t getVolume();
+    uint8_t getExpression();
+    uint8_t getVelocity();
+    uint16_t getPhase();
+    uint16_t getPhaseDelta();
+    
+private:
+    void calculatePhaseDelta();
+    void calculateMasterVolume();
+};
+
+#endif