1  #ifndef audioplaysystem_h_
 2  #define audioplaysystem_h_
 3  
 4  #ifdef HAS_SND
 5  
 6  #include "platform_config.h"
 7  
 8  class AudioPlaySystem
 9  {
10  public:
11    AudioPlaySystem(void) { };
12    void begin(void);
13    void setSampleParameters(float clockfreq, float samplerate);
14    void reset(void);
15    void start(void);
16    void stop(void);
17    bool isPlaying(void);
18    void sound(int C, int F, int V);    
19    void buzz(int size, int val);
20    void step(void);
21    static void snd_Mixer(short *  stream, int len );  
22    void begin_audio(int samplesize, void (*callback)(short * stream, int len));
23    void end_audio();
24    static void AUDIO_isr(void);  
25    static void SOFTWARE_isr(void);
26  };
27  
28  
29  #endif
30  
31  #endif