qeaudio.h

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//
// begin license header
//  
// This file is part of Terk and TerkOS.
//
// All Terk and TerkOS source code is provided under the terms of the 
// GNU General Public License v2 (http://www.gnu.org/licenses/gpl-2.0.html).  
// Those wishing to use Terk and TerkOS source code, software and/or
// technologies under different licensing terms should contact us at 
// [email protected]. Such licensing terms are available for
// all portions of the Terk and TerkOS codebase presented here.
//
// end license header
//

#ifndef __QEAUDIO_H__
#define __QEAUDIO_H__

#include <stdio.h>
#include <unistd.h>
#include <sys/time.h>
#include <pthread.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>

#include <queue>
#include <map>

#include "singleton.h"
#include "9302hw.h"

#define QEAUDIO_RETURN_OK                          0
#define QEAUDIO_RETURN_ERROR                      -1

#define QEAUDIO_DEFAULT_ADDR                       0xfe0
#define QEAUDIO_MODE_TONE                          1
#define QEAUDIO_MODE_WAVE                          2
#define QEAUDIO_MODE_OFF                           0

class CQEAudioController
{
public:
  SINGLETON(CQEAudioController);

  void SetVolume(unsigned char vol);

  int PlayTone(unsigned short frequency, int duration);

  int PlayClip(const char clip[], int length);

  int PlayClip(const char *filename);         

  int Talk(const char *string);

private:
  C9302Hardware *m_p9302hw; 
  CQEAudioController();
  ~CQEAudioController();

  volatile unsigned short *m_config;
  volatile unsigned short *m_period;
  volatile unsigned short *m_volume;
};

#endif