📄 audiocodec.c
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/*++
Copyright (c) 2001 Sunplus Technology Co., Ltd.
Module Name:
audiocodec.c
Abstract:
Module related to AUDIO PLAY/RECORD
Environment:
Keil C51 Compiler
Note:
Revision History:
11/14/2002 ch chang created
--*/
/*==================
Headfile
====================*/
#include "general.h"
#include "main.h"
#include "storage.h"
#include "lcd1.h"
#include "spl10.h"
#include "L2_adsp.h"
#include "dosusr.h"
#include "doslink.h"
#include "uiflow.h"
#include "DSPui.h"
#include "Initio.h"
void WMA_Error_BitstreamProcessor(void);
bit _G_RecordNextFile=0;
data BIT _WMAFrameChange=0;
xdata USHORT G_FrameCounterCount;
xdata USHORT G_WMA_OldTime;
void Rep_AB();
/*============
Code
==============*/
void Rep_AB_Goto_Apoint_To_Play()
{
WORD tmp;
// L2_DSP_SendCommandSet(DCMD_Pause);
G_sectorNUM = G_ASectorNUM; // Restore the A point sectornum
G_searchCluster = G_AsearchCluster; // Restore the A point searchCluster
L2_DSP_Write_DMem16(DSP_CmdReady, 0); //@@chchang_021303
//patch2.2.1@chamber
if(G_DSPPrimeMODE==KDSP_DVRD_MODE)
L2_DSP_DVRD_StopCommand();
else
L2_DSP_SendCommandSet(DCMD_Stop);
//end of patch2.2.1@chamber
do{
tmp = L2_DSP_Read_DMem16(DSP_CmdReady);
}while(tmp!=1);
#if (SPCA757_OPTION==0)
if(_WMA==1)
{//WMA //@@chchang_020703
MCUSTDAdress = 0;
L2_DSP_Write_DMem16(DSP_CmdReady, 0);
L2_DSP_SendCommandSet(DCMD_Play);
while(L2_DSP_Read_DMem16(DSP_CmdReady) != 1);
L2_DSP_Write_DMem16(DSP_WMACrtlReg0,0);
L2_DSP_Write_DMem16(DSP_WMARndAcc,1);
L2_DSP_Write_DMem16(DSP_WMAPageCnt,G_sectorNUM);
}
else
#endif
{//MP3&ADPCM&G723
L2_DSP_SetDecodeMode(G_DSPPrimeMODE);
MCUSTDAdress = 0;
L2_DSP_Write_DMem16(DSP_CmdReady, 0);
L2_DSP_SendCommandSet(DCMD_Play);
while(L2_DSP_Read_DMem16(DSP_CmdReady) != 1);
if(G_DSPPrimeMODE==KDSP_DVRD_MODE)
L2_DSP_Write_DMem24(DSP_PlayDvrFrac, G_AFrameCnt);
else if (G_DSPPrimeMODE==KDSP_MP3_MODE)
L2_DSP_Write_DMem24(DSP_FrameCnt, G_AFrameCnt);
}
}
//==================================================================================
//void Spectrum_DisplayRead(void);
//==================================================================================
void Audio_CoDec(void) USING_0
{
UCHAR i;
if(_G_UIPostError) // UI post-processor error happen !!
{
// reset the state to IDLE state --
_G_UIPostError = FALSE; // reset the error flag
// DbgPrint("UI error happened\n");
if((G_STATE==STATE_PLAY)||(G_STATE==STATE_IDLE_PLAY))
{
if(G_PLAY_SeqMode == 0x02)
{//repeat one
//==initialize parameters==//
G_STATE=STATE_IDLE;
}
else
{
//repeat all and no repeat
if(G_FileCurrentIndex==G_USR_DirList[G_UIMODE].totalFile)
{
G_STATE=STATE_IDLE;//error happern,goto idle state
G_FileCurrentIndex=1;
}
else
{
_G_Openfile = TRUE; // Make Openfile post-processor activity
G_FileCurrentIndex=G_FileCurrentIndex+1;
}
}
}
else
{//xyq 021228
G_UIMODE=0x01; //return DVRD mode
G_DSPPrimeMODE = KDSP_DVRD_MODE;
if(G_STATE==STATE_RECORD)
{
if(_G_Storage_Full)
{
LCD10_Disp_Full();
G_STATE=STATE_FLASH_FULL;
G_Power_Off_Timer = 16;
}
else
{
G_STATE=STATE_IDLE;
}
}
}
return;
}
if((G_STATE==STATE_PLAY)||(G_STATE==STATE_IDLE_PLAY))
//if(G_STATE==STATE_PLAY)
{//1
UCHAR sts;
// DbgPrint("G_FileCurrentIndex=%x\n",G_FileCurrentIndex);
#if (SPCA757_OPTION==0)
WMA_Error_BitstreamProcessor();
#endif
if(!G_end_of_file)
{//A
if((G_AB_Cnt==2) && (G_sectorNUM >= G_BSectorNUM))
{
#if (Auto_Repeat_OPTION==1)
if(_G_StudyFunc)
{
if(G_StudyRepTimes)
{
G_StudyRepTimes--;
Rep_AB_Goto_Apoint_To_Play();//return to Apoint to play
}
else
{
G_AB_Cnt=0;
Rep_AB();
// L2_DSP_Write_DMem16(DSP_SilenceST,0x0000);
// G_AutoRepTimer=8;
G_StudyRepTimes=1;
}
}
else
#endif
{
Rep_AB_Goto_Apoint_To_Play();//return to Apoint to play
}
}
if(L2_DSP_DMBuffer_Status()&0x01)// set to 1
{//B
//Catch data from flash card
File_ReadToSram(G_sectorNUM, G_total_sectorNUM);
G_sectorNUM++;
//Fed data from MCU to DSP
sts = L2_Data_MCU2DSP(G_DSPPrimeMODE); //mask it off
if(sts)
{//C
//DbgPrint("Data In Command Error\n");
return;
}//C
//-- End of Post-Processor
}//B
else
{
if(_GPlayPause)
{
G_STATE=STATE_PLAY_PAUSE;
sts = L2_DSP_SendCommandSet(DCMD_Pause); //mask it off
if(sts)
{//C
return;
}//C
}
}
//patch3.04@chamber@Low_Bitrate begin
L2_DSP_CheckSongTime(G_DSPPrimeMODE);
//patch3.04@chamber@Low_Bitrate end
//Spectrum_DisplayRead();
} //A
else
{//A --- End of File for play
File_Close(1, NULL, K_DOS_ReadFile, 0); //@@chchang_012703
L2_DSP_SendCommandSet(DCMD_EOF);
//patch2.2.1@chamber
#if (SPCA757_OPTION==0)
if(_WMA)
L2_DSP_WMA_PostProcessor();
// end of patch2.2.1@chamber
#endif
//-update the Timer again for more corrrective
//L2_DSP_CheckSongTime(G_DSPPrimeMODE);
// USER_DelayDT(4000); // Delay 10mS for de-bounce
//== play sequence mode procedure ==//
if(G_PLAY_SeqMode == 0x02) //repeat one,
{
_G_Openfile = TRUE; // Make Openfile post-processor activity
}else{
if(G_FileCurrentIndex==G_USR_DirList[G_UIMODE].totalFile)
{
if(G_PLAY_SeqMode == 0x01) //repeat all,
{
_G_Openfile = TRUE; // Make Openfile post-processor activity
G_FileCurrentIndex=1;
}
else // Mode=0 , Single play, stop play right now!
{
G_STATE=STATE_IDLE;
}
}
else
{
_G_Openfile = TRUE; // Make Openfile post-processor activity
G_FileCurrentIndex=G_FileCurrentIndex+1;
}
}
}//A
}//1
else if (G_STATE==STATE_RECORD)
{//1
BYTE fileSts = TRUE;
// BYTE sts;
if(!G_end_of_file)
{//1B
if(L2_DSP_DMBuffer_Status()&0x08)
{//1C
L2_Data_DSP2MCU();
fileSts = File_Write(1, K_DOS_SrcSram, 512, 0, 0);
if(fileSts==FALSE) //the FLASH card is full
{
_G_Storage_Full=1;
G_end_of_file = TRUE;
//DbgPrint("The FLASH card is full\n");
}else{
G_REC_fileSize += 512;
}
//record time count
L2_DSP_EncTime_SecCount();
// if only 2 cluster available then eof
if (DOS_IsFreeAvailable() <= 2)
{
_G_Storage_Full=1;
/// DbgPrint("FreeAvailable<2\n");
G_end_of_file = TRUE;
// return;
}
}//1C
// if(!_G_Storage_Full) // if Disk is full no more updating the Record data
DOS_IdleStuff();
/* if(G_W_OldTime>=5999)//no hour display, so when record to 99 minute,record next file
{
_G_RecordNextFile=1;
G_end_of_file = TRUE;
}
else*/
{
_G_RecordNextFile=0;
}
}//1B
else
{//1B
if((_G_Storage_Full== FALSE)&&(_GRecordPauseAndStop==FALSE)) // if Disk is full no more updating the Record data
{
i = 0;
//DbgPrint("Rec more\n");
while (i < 4)
{//**
if ((L2_DSP_DMBuffer_Status()&0x08))
{
L2_Data_DSP2MCU();
fileSts = File_Write(1, K_DOS_SrcSram, 512, 0, 0);
if ((fileSts == FALSE) || (G_DOS_ErrCode != 0))
{
G_REC_fileSize += 512;
break;
}
i++;
//DbgPrint("record i=%bx\n",i);
}
DOS_IdleStuff();
}//**.
}
// Close the file Creation
// DbgPrint("G_DOS_FileWriteSize=%lx\n",G_DOS_FileWriteSize);
// DbgPrint("G_REC_fileSize=%lx\n",G_REC_fileSize);
USR_File_Close(/*G_DSPMinorMODE,*/ G_DOS_FileWriteSize, REC_name);
//==parameter initial==//
G_EVENT=0;
G_UIMODE=0x01; //return DVRD mode
G_DSPPrimeMODE = KDSP_DVRD_MODE;
//if(G_FileCurrentIndex<G_USR_DirList[G_UIMODE].totalFile)
{
G_FileCurrentIndex = G_USR_DirList[G_UIMODE].totalFile;
UI_GetFileAttr();
}
if(_G_Storage_Full)
{
LCD10_Disp_Full();
G_STATE=STATE_FLASH_FULL;
G_Power_Off_Timer = 16;
}
else
{
if(_G_RecordNextFile==1)
{
G_UIMODE=0x02;
G_DSPPrimeMODE = KDSP_DVRE_MODE;
LCD10_Disp_FileIndex_InDIR(G_USR_DirList[G_UIMODE-1].totalFile+1);
_G_Openfile = TRUE; // Make Openfile post-processor activity
}
else
{
G_STATE=STATE_IDLE;
}
}
_TClock = FALSE;
L2_DSP_StopCommand();
// L2_DSP_SendCommandSet(DCMD_Stop);
// L2_DSP_DVRE_STOP_Processor();
}//1B
}//1
}
#if (SPCA757_OPTION==0)
void WMA_Error_BitstreamProcessor(void)
{
USHORT tmp;
USHORT dbgTmp;
USHORT Current_Time;
USHORT TimeOUT = 0xFFFF;
ULONG stortmp;
UCHAR iLoop;
//DbgPrint("G_end_of_file=%x\n", (USHORT)G_end_of_file);
if(_WMA) //@@chchang_040203
{
tmp=L2_DSP_Read_DMem16(0x3F51)&0xC0;
// tmp&=0xC0;
// DbgPrint("tmp=%x\n",tmp);
if(tmp==0)
{
// L2_DSP_CheckSongTime(G_DSPPrimeMODE);
// Current_Time=((USHORT)G_DISPLAY_Min*60+G_DISPLAY_Sec);
Current_Time =L2_DSP_Read_DMem16(0x3fbd);
if(G_WMA_OldTime!=Current_Time)
{
//_WMAFrameChange=0;
G_WMA_OldTime=Current_Time;
G_FrameCounterCount=0;
}
else
{//G_WMA_OldTime=Current_Time
G_FrameCounterCount++;
if(G_FrameCounterCount==0xFFFF)
{
// DbgPrint("G_FrameCounterCount=%x\n",G_FrameCounterCount);
L2_DSP_Write_DMem16(DSP_CmdReady, 0);
L2_DSP_SendCommandSet(DCMD_Stop);
//check command ready
do{
dbgTmp = L2_DSP_Read_DMem16(DSP_CmdReady);
TimeOUT --;
if(TimeOUT==0)
{
// DSP reset
DSP_Initialize();
break;
}
}while(dbgTmp!=1);
G_end_of_file=true;
G_FrameCounterCount=0;
L2_DSP_Write_DMem16(0x3CAE,0);
}
}
}
/*
else if(tmp==0xC0)
{
DbgPrint("0xc0 \n");
L2_DSP_Write_DMem16(DSP_CmdReady, 0);
L2_DSP_SendCommandSet(DCMD_Stop);
//check command ready
do{
dbgTmp = L2_DSP_Read_DMem16(DSP_CmdReady);
TimeOUT --;
if(TimeOUT==0)
{
// DSP reset
DSP_Initialize();
break;
}
}while(dbgTmp!=1);
G_end_of_file=true;
}
*/
else // tmp =0x40 || 0x80
{
DbgPrint("0x40-0x80\n");
L2_DSP_Write_DMem16(DSP_CmdReady, 0);
L2_DSP_SendCommandSet(DCMD_Stop);
//check command ready
do{
dbgTmp = L2_DSP_Read_DMem16(DSP_CmdReady);
TimeOUT --;
if(TimeOUT==0)
{
// DSP reset
DSP_Initialize();
break;
}
}while(dbgTmp!=1);
L2_DSP_Write_DMem16(0x3CAE,0);
stortmp = G_sectorNUM+5; // Skip the Error Bitstream
_G_Openfile = TRUE;
UI_EventPostDpc(); // Re-Open the current file !
iLoop = 0;
do
{
if(L2_DSP_DMBuffer_Status()&0x01)// set to 1
{
File_ReadToSram(G_sectorNUM, G_total_sectorNUM);
G_sectorNUM++;
L2_Data_MCU2DSP(G_DSPPrimeMODE); //mask it off
// DbgPrint("xxxG_sectorNUM=%lx\n",G_sectorNUM);
iLoop ++;
}
}
while(iLoop!=0x05);
L2_DSP_SendCommandSet(DCMD_Stop);
G_sectorNUM = stortmp ;
USER_DelayDT(30000);
// DbgPrint("stortmp=%lx\n",stortmp);
// DbgPrint("G_sectorNUM=%lx\n",G_sectorNUM);
G_searchCluster = USR_File_Seek(G_sectorNUM);
MCUSTDAdress = 0;
//Play continue
L2_DSP_SendCommandSet(DCMD_Play);
L2_DSP_Write_DMem16(DSP_WMACrtlReg0,0);
L2_DSP_Write_DMem16(DSP_WMARndAcc,1);
L2_DSP_Write_DMem16(DSP_WMAPageCnt,G_sectorNUM);
// L2_DSP_SendCommandSet(DCMD_Play);
}
}
}
#endif
/*
void Spectrum_DisplayRead(void)
{
UCHAR i;
USHORT StartAddress=0x3F67;
// for(i=0;i<=6;i++)
// {
//StartAddress +=i;
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F67));
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F68));
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F69));
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F6A));
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F6B));
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F6C));
DbgPrint(" %bx ",(UCHAR)L2_DSP_Read_DMem16(0x3F6D));
// }
DbgPrint(" \n ");
}
*/
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