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/* 
 * voxcomn.h 
 *   
 * Ver0.10 98/07/29 H.Matsuoka  Start 
 * Ver0.20 98/12/03 H.Matsuoka  clean up 
 * Ver0.21 98/12/16 H.Matsuoka  change SPK_8BIT 
 * Ver0.22 99/ 1/11 H.Matsuoka  change Slparam structure 
 * Ver0.23 99/ 2/ 3 H.Matsuoka  add vox top level error 
 * 
 */ 
 
#ifndef VOXTOP_H 
#define VOXTOP_H 
 
extern char vsxTopError; 
extern char adpTopError; 
extern char voxTopError; 
extern char vox2TopError; 
extern char ppcTopError; 
 
#define VOX_SUCCESS     1 
#define VOX_BUF_FULL    -1 
#define VOX_MAX_SAMPLE  -2 
#define VSC_ERROR       -3 
 
extern short SPK_VOLUME0; 
extern short SPK_PREDATA; 
extern short SPK_SOFTENING; 
 
typedef struct { 
    short offset; 
    short shift; 
    short limit; 
} Slparam; 
 
 
#ifdef SPK_8BIT 
#define SPK_OFFSET    0x80  /* for 8bit D/A or PWM output */ 
#define SPK_LIMIT     0xfe  /* */ 
#define SPK_SHIFT     2     /* 10bit -> 8bit */ 
#define VSX_SPK_SHIFT 4     /* 12bit -> 8bit */ 
#define ADP_SPK_SHIFT 6     /* 14bit -> 8bit */ 
#else 
#define SPK_OFFSET    0x200 /* for 10bit PWM output */ 
#define SPK_LIMIT     0x3fe /* */ 
#define SPK_SHIFT     0     /* 10bit -> 10bit */ 
#define VSX_SPK_SHIFT 2     /* 12bit -> 10bit */ 
#define ADP_SPK_SHIFT 4     /* 14bit -> 10bit */ 
#endif 
 
#ifdef COMPRESS_TOOL 
#define LIS_SHIFT     0 
#define ADP_LIS_SHIFT 0 
#define VSX_LIS_SHIFT 0 
#define LIS_OFFSET    0 
#else 
#define LIS_OFFSET -512     /* for A/D convertor 10 bit unsigned data */ 
#define LIS_SHIFT     0     /* 10bit -> 10bit */ 
#define VSX_LIS_SHIFT 2     /* 10bit -> 12bit */ 
#define ADP_LIS_SHIFT 4     /* 10bit -> 14bit */ 
#endif 
#endif  // #ifndef VOXTOP_H 
 
#define SPLIS_LSHIFT    0x10 
#define SPLIS_RSHIFT    0 
 
#define PACKET_SIZE     128 
 
#ifdef SPK_8BIT 
#define SPK_PACKET_SIZE 128 
#else 
#define SPK_PACKET_SIZE 256 
#endif  
 
#define SPLIS_BUF_SIZE  SPK_PACKET_SIZE*3 
 
 
#ifdef CLOCK40 
#define VOX_CPU_CLOCK   40000000 
#define SPK_SOFT        1 
#else 
#define VOX_CPU_CLOCK   20000000 
#define SPK_SOFT        3 
#endif 
 
 
/* vox top level function */ 
 
unsigned char* vsxSpeak(unsigned char*, int); 
unsigned char* vsxListen(int, int, unsigned char*, unsigned char, short); 
 
unsigned char* adpcmSpeak(unsigned char *); 
unsigned char* adpcmListen(int, int, unsigned char *, unsigned char, unsigned char *); 
 
unsigned char* voxSpeak(unsigned char *, int, int); 
unsigned char* vox2Speak(unsigned char *, int, int); 
unsigned char* voxListen(int , int , unsigned char *, unsigned char *); 
 
unsigned char* ppcSpeak(unsigned char*, int, int); 
unsigned char* ppcListen(int, int, unsigned char*, unsigned char*); 
 
unsigned char* pcmSpeak(short *); 
unsigned char* pcmListen(short *, int); 
 
/* filter function */ 
int fltInit(int); 
int fltFiltering(short *, short *, short); 
 
/* common function */ 
void setSpeakVolume(short); 
void setSpeakSoftening(char); 
void voxCodecpy(int*, int*, int* ); 
void adpcmCodecpy(unsigned char); 
 
/* speak and listen utility */ 
void slLis2Pcm(short* Src, short* Dst, int Length, Slparam* slParam); 
void slPcm2Spk(short* Src, short* Dst, int Length, Slparam* slParam);