int ADC_Read(void)
{
Adc_Start() ;
while(rADCCON & (1 << 0)) ;//ADC真正开始后，位[0]会自动清零
while(!(rADCCON & (1 << 15))) ;
return ((int)(rADCDAT0 & 0x3ff)) ;
}
bool SVT_WAV_Record(const char * pFileName, TAG_HANDLE *pWave)
{
unsigned int *puc;
unsigned int Len;
unsigned int ReadPos;
bool IsBuffer;
bool IsSD;
sWAVE_FORMAT *fmt;
pAudio=pWave;
pWave->flag&=~0x1;
pWave->flag|=0x2;
fmt=&(pWave->sFmt);
fmt->wFormatTag=1;
fmt->wChannels=1;
fmt->dwSamplesPerSec=8000;
fmt->wBitsPerSample=16;
fmt->dwAvgBytesPerSec=fmt->wChannels*fmt->dwSamplesPerSec*fmt->wBitsPerSample/8;
fmt->wBlockAlign=fmt->wChannels*fmt->wBitsPerSample/8;
if(SVT_Str_Cmp(pFileName,pWave->FileName)!=true)
{
Len=SVT_Str_Length(pFileName)+1;
if(Len>256)return false;
SVT_Memory_Copy(pWave->FileName,pFileName,Len);
}
if(pWave->pRamBuffer!=0)
{
IsBuffer=true;
}
else
{
IsBuffer=false;
pWave->RamMax=0xfffffff;
}
/*
if(JAPI_FS_Open()<0)
{
SVT_Log( " WAVE RECORD: FS_OPEN FAILED" );
IsSD=false;
if(IsBuffer==false)return false;
else
{
pfnSeek=Buffer_Seek;
pfnWrite=Buffer_Write;
pfnClose=Buffer_Close;
}
}
else
*/
JAPI_FS_Open();
{
if (LOGGING) SVT_Log( " WAVE RECORD: FS_OPEN SUCCEEDED" );
if (LOGGING) SVT_Log( " WAVE RECORD: Deleting %s", pFileName );
JAPI_FS_FileDelete(SVT_Char_To_WChar(pFileName));
if (LOGGING) SVT_Log( " WAVE RECORD: Opening %s", pFileName );
if(JAPI_FS_FileCreate(0,SVT_Char_To_WChar(pFileName))<0)
{
if (LOGGING) SVT_Log( " WAVE RECORD: File Created" );
IsSD=false;
if(IsBuffer==false)return false;
else
{
pfnSeek=Buffer_Seek;
pfnWrite=Buffer_Write;
pfnClose=Buffer_Close;
}
}
else
{
IsSD=true;
pWave->FileHandle=JAPI_FS_FileOpen(SVT_Char_To_WChar(pFileName));
if(pWave->FileHandle<0)
{
if (LOGGING) SVT_Log( " WAVE RECORD: File Not Opened %d", pWave->FileHandle );
IsSD=false;
if(IsBuffer==false)return false;
else
{
pfnSeek=Buffer_Seek;
pfnWrite=Buffer_Write;
pfnClose=Buffer_Close;
}
}
else
{
if (LOGGING) SVT_Log( " WAVE RECORD: File Opened" );
pfnSeek=WAV_Seek;
pfnWrite=WAV_Write;
pfnClose=WAV_Close;
}
}
}
ReadPos=0;
//RIFF
puc=WaveHeadBuffer;
Len=sizeof(sRIFF_HEADER);
//puc=(unsigned char *)malloc(Len);
//if(puc==0)
// return false;
pfnSeek(pWave,ReadPos);
pfnWrite(pWave,(char*)puc,Len,(unsigned long*)&Len);
//free(puc);
puc=WaveHeadBuffer;
ReadPos+=Len;
//FMT
Len=sizeof(sFMT_BLOCK);
//puc=(unsigned char *)malloc(Len);
//if(puc==0)
// return false;
pfnSeek(pWave,ReadPos);
pfnWrite(pWave,(char*)puc,Len,(unsigned long*)&Len);
//free(puc);
puc=WaveHeadBuffer;
ReadPos+=Len;
//Data
Len=sizeof(sDATA_BLOCK);
//puc=(unsigned char *)malloc(Len);
//if(puc==0)
// return false;
pfnSeek(pWave,ReadPos);
pfnWrite(pWave,(char*)puc,Len,(unsigned long*)&Len);
//free(puc);
ReadPos+=Len;
pWave->FilePos=ReadPos;
pWave->DataPos=0;
pWave->DataLen=0;
pWave->FileHeaderLen=44;
Adc_Start();
return true;
}
