LD3320語音識別模塊資料下載

ID:717540 · 發表于 2020-4-2 19:06

#include "config.h"

extern void  delay(unsigned long uldata);

extern uint8 nAsrStatus;
uint8  nLD_Mode=LD_MODE_IDLE;
uint8  ucRegVal;

void ProcessInt0(void);

void LD_Reset()
{
RSTB=1;
delay(5);
RSTB=0;
delay(5);
RSTB=1;

delay(5);
SCS=0;
delay(5);
SCS=1;
delay(5);
}

void LD_Init_Common()
{
LD_ReadReg(0x06);
LD_WriteReg(0x17, 0x35);

delay(5);
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(5);

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_ASR()
{
nLD_Mode=LD_MODE_ASR_RUN;
LD_Init_Common();

LD_WriteReg(0xBD, 0x00);
LD_WriteReg(0x17, 0x48);
delay( 10 );

LD_WriteReg(0x3C, 0x80);
LD_WriteReg(0x3E, 0x07);
LD_WriteReg(0x38, 0xff);
LD_WriteReg(0x3A, 0x07);

LD_WriteReg(0x40, 0);
LD_WriteReg(0x42, 8);
LD_WriteReg(0x44, 0);
LD_WriteReg(0x46, 8);
delay( 5 );
}

void ProcessInt0(void)
{
uint8 nAsrResCount=0;

EX0=0;
ucRegVal = LD_ReadReg(0x2B);
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if((ucRegVal & 0x10)&&LD_ReadReg(0xb2)==0x21&&LD_ReadReg(0xbf)==0x35)          /*Ê¶±ð³É¹¦*/
{
      nAsrResCount = LD_ReadReg(0xba);
      if(nAsrResCount>0 && nAsrResCount<=4)
      {
         nAsrStatus=LD_ASR_FOUNDOK;
      }
      else
   {
         nAsrStatus=LD_ASR_FOUNDZERO;
      }
}                                                          /*Ã»ÓÐÊ¶±ð½á¹û*/
else
{
      nAsrStatus=LD_ASR_FOUNDZERO;
}

  LD_WriteReg(0x2b, 0);
  LD_WriteReg(0x1C,0);/*Ð´0:ADC²»¿ÉÓÃ*/
LD_WriteReg(0x29,0);
LD_WriteReg(0x02,0);
LD_WriteReg(0x2B,0);
LD_WriteReg(0xBA,0);
LD_WriteReg(0xBC,0);
LD_WriteReg(0x08,1);    /*Çå³ýFIFO_DATA*/
LD_WriteReg(0x08,0); /*Çå³ýFIFO_DATAºó ÔÙ´ÎÐ´0*/

EX0=1;
}

uint8 LD_Check_ASRBusyFlag_b2()
{
uint8 j,i;
uint8 flag = 0;
for (j=0; j<5; j++)
{
      i=LD_ReadReg(0xb2);
      if ( i== 0x21)
      {
         flag = 1;
         break;
      }
      delay(10);
}
return flag;
}

void LD_AsrStart()
{
LD_Init_ASR();
}

uint8 LD_AsrRun()
{
EX0=0;
LD_WriteReg(0x35, MIC_VOL);
LD_WriteReg(0x1C, 0x09);
LD_WriteReg(0xBD, 0x20);
LD_WriteReg(0x08, 0x01);
delay( 5 );
LD_WriteReg(0x08, 0x00);
delay( 5 );

if(LD_Check_ASRBusyFlag_b2() == 0)
{
      return 0;
}

LD_WriteReg(0xB2, 0xff);
LD_WriteReg(0x37, 0x06);
delay( 10 );
  LD_WriteReg(0x37, 0x06);
delay( 30 );
LD_WriteReg(0x1C, 0x0b);
LD_WriteReg(0x29, 0x10);
LD_WriteReg(0xBD, 0x00);
EX0=1;
return 1;
}

uint8 LD_AsrAddFixed()
{
uint8 k, flag;
uint8 nAsrAddLength;

#define DATE_A 14 //Êý×é¶þÎ¬ÊýÖµ
#define DATE_B 20       //Êý×éÒ»Î¬ÊýÖµ

uint8  code sRecog[DATE_A][DATE_B] = {
                                                                     "xiao jie",\
                                                                     "dai ma ce shi",\
                                                                     "ce shi wan bi",\

                                                                     "bei jing",\
                                                                     "shang hai",\
                                                                     "kai deng",\
                                                                     "guan deng",\

                                                                     "guang zhou",\
                                                                     "shen zhen",\
                                                                     "xiang zuo zhuan",\
                                                                     "xiang you zhuan",\

                                                                     "da kai kong tiao",\
                                                                     "guan bi kong tiao",\
                                                                     "hou tui",\
                                                               }; /*Ìí¼Ó¹Ø¼ü´Ê£¬ÓÃ»§ÐÞ¸Ä*/
uint8  code pCode[DATE_A] = {
                                                CODE_CMD,\
                                                CODE_DMCS,\
                                                CODE_CSWB,\

                                                CODE_1KL1,\
                           CODE_1KL2,\
                           CODE_1KL3,\
                           CODE_1KL4,\

                                                CODE_2KL1,\
                           CODE_2KL2,\
                           CODE_2KL3,\
                           CODE_2KL4,\

                                                CODE_3KL1,\
                           CODE_3KL2,\
                                                CODE_5KL1,
                                             }; /*Ìí¼ÓÊ¶±ðÂë£¬ÓÃ»§ÐÞ¸Ä*/
flag = 1;
for (k=0; k<DATE_A; k++)
{

      if(LD_Check_ASRBusyFlag_b2() == 0)
      {
         flag = 0;
         break;
      }

      LD_WriteReg(0xc1, pCode[k] );
      LD_WriteReg(0xc3, 0 );
      LD_WriteReg(0x08, 0x04);
      delay(1);
      LD_WriteReg(0x08, 0x00);
      delay(1);

      for (nAsrAddLength=0; nAsrAddLength<DATE_B; nAsrAddLength++)
      {
         if (sRecog[k][nAsrAddLength] == 0)
            break;
         LD_WriteReg(0x5, sRecog[k][nAsrAddLength]);
      }
      LD_WriteReg(0xb9, nAsrAddLength);
      LD_WriteReg(0xb2, 0xff);
      LD_WriteReg(0x37, 0x04);
}
return flag;
}

uint8 LD_GetResult()
{
return LD_ReadReg(0xc5 );
}

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LD3320語音識別模塊資料下載