uint8 LD_GetResult()
{
uint8 res;
res = LD_ReadReg(0xc5);
SendString("ASR Result = ");
SendByteHex(res);
SendLineEnd();
return res;
}
void LD_Init_Common()
{
bMp3Play = 0;
LD_ReadReg(0x06);
LD_WriteReg(0x17, 0x35);
delay(10);
LD_ReadReg(0x06);
LD_WriteReg(0x89, 0x03);
delay(5);
LD_WriteReg(0xCF, 0x43);
delay(5);
LD_WriteReg(0xCB, 0x02);
/*PLL setting*/
LD_WriteReg(0x11, LD_PLL_11);
if (nLD_Mode == LD_MODE_MP3)
{
LD_WriteReg(0x1E, 0x00);
LD_WriteReg(0x19, LD_PLL_MP3_19);
LD_WriteReg(0x1B, LD_PLL_MP3_1B);
LD_WriteReg(0x1D, LD_PLL_MP3_1D);
}
else
{
LD_WriteReg(0x1E,0x00);
LD_WriteReg(0x19, LD_PLL_ASR_19);
LD_WriteReg(0x1B, LD_PLL_ASR_1B);
LD_WriteReg(0x1D, LD_PLL_ASR_1D);
}
delay(10);
LD_WriteReg(0xCD, 0x04);
LD_WriteReg(0x17, 0x4C);
delay(5);
LD_WriteReg(0xB9, 0x00);
LD_WriteReg(0xCF, 0x4F);
LD_WriteReg(0x6F, 0xFF);
}
void LD_Init_Common(void)
{
//bMp3Play = 0;
LD_ReadReg(0x06);
LD_WriteReg(0x17, 0x35);
delay(10);
LD_ReadReg(0x06);
LD_WriteReg(0x89, 0x03);
delay(5);
LD_WriteReg(0xCF, 0x43);
delay(5);
LD_WriteReg(0xCB, 0x02);
/*PLL setting*/
LD_WriteReg(0x11, LD_PLL_11);
if (myRobot.ld3320State.mode == LD_MODE_MP3)
{
LD_WriteReg(0x1E, 0x00);
//!! 注意，下面三个寄存器，会随晶振频率变化而设置不同
//!! 注意, 请根据使用的晶振频率修改参考程序中的 CLK_IN
LD_WriteReg(0x19, LD_PLL_MP3_19);
LD_WriteReg(0x1B, LD_PLL_MP3_1B);
LD_WriteReg(0x1D, LD_PLL_MP3_1D); }
else
{
//
LD_WriteReg(0x1E,0x00);
//!! 注意，下面三个寄存器，会随晶振频率变化而设置不同
//!! 注意, 请根据使用的晶振频率修改参考程序中的 CLK_IN
LD_WriteReg(0x19, LD_PLL_ASR_19);
LD_WriteReg(0x1B, LD_PLL_ASR_1B);
LD_WriteReg(0x1D, LD_PLL_ASR_1D);
}
LD_WriteReg(0xCD, 0x04);
LD_WriteReg(0x17, 0x4c);
delay(5);
LD_WriteReg(0xB9, 0x00);
LD_WriteReg(0xCF, 0x4f);
LD_WriteReg(0x6F, 0xFF);
}
void LD_ReloadMp3Data_2()
{
uint32 nCurMp3Pos;
uint8 val;
uint8 k;
nCurMp3Pos = nMp3StartPos + nMp3Pos;
FLASH_CS=1;
FLASH_CLK=0;
FLASH_CS=0;
IO_Send_Byte(W25P_FastReadData);
IO_Send_Byte(((nCurMp3Pos & 0xFFFFFF) >> 16));
IO_Send_Byte(((nCurMp3Pos & 0xFFFF) >> 8));
IO_Send_Byte(nCurMp3Pos & 0xFF);
IO_Send_Byte(0xFF);
ucStatus = LD_ReadReg(0x06);
while ( !(ucStatus&MASK_FIFO_STATUS_AFULL) && (nMp3Pos<nMp3Size) )
{
val=0;
for(k=0;k<8;k++)
{
FLASH_CLK=0;
val<<=1;
FLASH_CLK=1;
val|=FLASH_DO;
}
LD_WriteReg(0x01,val);
nMp3Pos++;
ucStatus = LD_ReadReg(0x06);
}
FLASH_CS=1;
FLASH_CLK=0;
}
// Return 1: success.
uint8 LD_Check_ASRBusyFlag_b2()
{
uint8 j;
uint8 flag = 0;
for (j=0; j<10; j++)
{
if (LD_ReadReg(0xb2) == 0x21)
{
flag = 1;
break;
}
delay(10);
}
return flag;
}
static unsigned char LD_Check_ASRBusyFlag_b2(void)
{
unsigned char j;
unsigned char temp=0;
unsigned char flag = 0;
for (j=0; j<10; j++)
{
temp=LD_ReadReg(0xb2);
if (temp == 0x21)
{
flag = 1;
break;
}
delay(10);
}
return flag;
}
void ProcessInt(void)
{
unsigned char nAsrResCount=0;
unsigned char ucRegVal;
unsigned char ucHighInt;
unsigned char ucLowInt;
ucRegVal = LD_ReadReg(0x2B);
if(myRobot.ld3320State.mode==LD_MODE_ASR_RUN)
{
//语音识别产生的中断
//有声音输入，不论是别成功或失败都有中断
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if((ucRegVal & 0x10) && LD_ReadReg(0xb2)==0x21 && LD_ReadReg(0xbf)==0x35)
{
nAsrResCount = LD_ReadReg(0xba);
if(nAsrResCount>0 && nAsrResCount<=4)
{
myRobot.ld3320State.state=LD_ASR_FOUNDOK;
}
else
{
myRobot.ld3320State.state=LD_ASR_FOUNDZERO;
}
}
else
{
myRobot.ld3320State.state=LD_ASR_FOUNDZERO;
}
LD_WriteReg(0x2b,0);
LD_WriteReg(0x1C,0);
return;
}
ucHighInt = LD_ReadReg(0x29);
ucLowInt=LD_ReadReg(0x02);
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if(LD_ReadReg(0xBA)&CAUSE_MP3_SONG_END)
{
// A. 声音数据全部播放完毕
LD_WriteReg(0x2B, 0);
LD_WriteReg(0xBA, 0);
LD_WriteReg(0xBC,0x0);
LD_WriteReg(0x08,1);
LD_WriteReg(0x08,0);
LD_WriteReg(0x33, 0);
myRobot.ld3320State.mode=LD_MODE_ASR_RUN;
myRobot.ld3320State.state=LD_ASR_NONE;
return ;
}
// if(nMp3Pos>=nMp3Size)
// {
// // B. ÉùÒôÊý¾ÝÒÑ·¢ËÍÍê±Ï¡£
// LD_Write(0xBC, 0x01);
// LD_Write(0x29, 0x10);
// f_close(&fsrc);
// nLD_Mode = LD_MODE_ASR_RUN;
// nAsrStatus = LD_ASR_NONE;
// return;
// }
LD_WriteReg(0x29,ucHighInt);
LD_WriteReg(0x02,ucLowInt) ;
}
static unsigned char LD_GetResult(void)
{
unsigned char res;
res = LD_ReadReg(0xc5);
return res;
}
void ProcessInt0()
{
uint8 nAsrResCount=0;
EX0=0;
ucRegVal = LD_ReadReg(0x2B);
if(nLD_Mode == LD_MODE_ASR_RUN)
{
// 语音识别产生的中断
// （有声音输入，不论识别成功或失败都有中断）
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if((ucRegVal & 0x10) &&
LD_ReadReg(0xb2)==0x21 &&
LD_ReadReg(0xbf)==0x35)
{
nAsrResCount = LD_ReadReg(0xba);
if(nAsrResCount>0 && nAsrResCount<=4)
{
nAsrStatus=LD_ASR_FOUNDOK;
}
else
{
nAsrStatus=LD_ASR_FOUNDZERO;
}
}
else
{
nAsrStatus=LD_ASR_FOUNDZERO;
}
LD_WriteReg(0x2b, 0);
LD_WriteReg(0x1C,0);
return;
}
// 声音播放产生的中断，有三种：
// A. 声音数据已全部播放完。
// B. 声音数据已发送完毕。
// C. 声音数据暂时将要用完，需要放入新的数据。
ucHighInt = LD_ReadReg(0x29);
ucLowInt=LD_ReadReg(0x02);
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if(LD_ReadReg(0xBA)&CAUSE_MP3_SONG_END)
{
// A. 声音数据已全部播放完。
LD_WriteReg(0x2B, 0);
LD_WriteReg(0xBA, 0);
LD_WriteReg(0xBC,0x0);
bMp3Play=0; // 声音数据全部播放完后，修改bMp3Play的变量
LD_WriteReg(0x08,1);
delay_2(5);
LD_WriteReg(0x08,0);
LD_WriteReg(0x33, 0);
return ;
}
if(nMp3Pos>=nMp3Size)
{
// B. 声音数据已发送完毕。
LD_WriteReg(0xBC, 0x01);
LD_WriteReg(0x29, 0x10);
// bMp3Play=0; // 此时，只是主控MCU把所有MP3数据发送到LD3320芯片内，但是还没有把送入的数据全部播放完毕
EX0=1;
return;
}
// C. 声音数据暂时将要用完，需要放入新的数据。
LD_ReloadMp3Data_2();
LD_WriteReg(0x29,ucHighInt);
LD_WriteReg(0x02,ucLowInt) ;
delay_2(10);
EX0=1;
}
