求大神帮忙啊，急着交任务。ISD1760语音芯片

只看该作者 · 2013-3-29 22:08

本帖最后由 studying123 于 2013-3-30 21:33 编辑

用ATMEGA16与ISD1760语音芯片想做一个录/放功能的电路，可是程序和电路都弄好。就是看不到效果，求大神费时帮我看下是哪里出错了，急着要交的。谢谢！调试的时候一直循环在给ISD1760上电的程序中

#include <iom16v.h>

#include <macros.h>

#define uint16 unsigned int

#define uchar16 unsigned char



uchar16 flag=0x00; //标志位



/*ISD1760状态寄存器及各个标志位定义*/



uchar16 SR0_L; //SR0寄存器

uchar16 SR0_H;

uchar16 SR1; //SR1寄存器

uchar16 APCL=0,APCH=0;//APC寄存器

uchar16 PlayAddL=0,PlayAddH=0;//放音指针低位，高位

uchar16 RecAddL=0,RecAddH=0;//录音指针低位，高位



#define CMD (SR0_L&0x01) //SPI指令错误标志

#define FULL (SR0_L&0x02) //芯片存储空间满标志

#define PU (SR0_L&0x04) //上电标志位

#define EOM (SR0_L&0x08) //EOM标志位

#define INTT (SR0_L&0x10) //操作完成标志位

#define RDY (SR1&0x01) //准备接受指令标志位

#define ERASE (SR1&0x02) //擦除标志位

#define PLAY (SR1&0x04) //播放标志位

#define REC (SR1&0x08) //录音标志位



/*标志位定义*/

//#define flag (PORTA&0X0E)



#define flag PORTA

/*#define PR_flag1 (flag|=0x02)

#define PR_flag0 (flag&=~0x02)

#define Erase_flag1 (flag|=0x10)

#define Erase_flag0 (flag~=0x10)

#define Stop_flag1 (flag|=0x80)

#define Stop_flag0 (flag~=0x80)*/

#define Switch_PR1 (PORTA&0x02) //判断录音还是放音与0x02比较

#define Switch_PR0 (PORTA&0x02)



/*端口定义*/

#define LED_ON (PORTA&=0xFE)

#define LED_OFF (PORTA|=0x01)

#define SS_H PORTB|=0x10

#define SS_L PORTB&=~0x10



#define Key_STOP (PORTA&0x04)

#define Key_AN (PORTA&0x08)



//延时程序（ms）

void delay (uint16 ms)

{

uint16 i,j;

for(i=0;i<ms;i++)

for(j=0;j<143;j++);

}



//spi主机发送

unsigned char ISD_SendData(uchar16 cData)

{

SS_L; //片选信号使能

SPDR=cData;//启动数据传输

while(!SPSR&(1<<SPIF));//等待数据发送结束

return SPDR;

}



/*ISD1760上电*/

void ISD_PU(void)

{

ISD_SendData(0x01); //发送PU命令

ISD_SendData(0x00);

SS_H; 

}



/*ISD1760下电*/

void ISD_PD(void)

{

ISD_SendData(0x07); //发送PD命令

ISD_SendData(0x00);

SS_H; 

}





/*停止当前操作*/

void ISD_STOP(void)

{

ISD_SendData(0x02); //发送STOP命令

ISD_SendData(0x00);

SS_H;

}



/*ISD1760复位*/

void ISD_Reset(void)

{

ISD_SendData(0x03); //发送RESET命令

ISD_SendData(0x00);

SS_H;

}



/*清除中断标志*/

void ISD_Clr_Int(void)

{

ISD_SendData(0x04); 

ISD_SendData(0x00);

SS_H;

}



/*ISD1760放音*/

void ISD_Play(void)

{

ISD_SendData(0x40); //发送放音命令

ISD_SendData(0x00);

SS_H; 

}



/*定点播放*/

void ISD_SET_PLAY(uchar16 Saddl,uchar16 Saddh,uchar16 Eaddl, uchar16 Eaddh)

{

ISD_SendData(0x80); 

ISD_SendData(0x00);

ISD_SendData(Saddl); //开始地址低8位

ISD_SendData(Saddh); //开始地址高8位

ISD_SendData(Eaddl); //结束地址低8位

ISD_SendData(Eaddh); //结束地址高8位

ISD_SendData(0x00);

SS_H; 

}





/*ISD1760录音*/

void ISD_Rec(void)

{

ISD_SendData(0x41); //发送录音命令

ISD_SendData(0x00);

SS_H; 

}



/*定点录音*/

void ISD_SET_Rec(uchar16 Saddl,uchar16 Saddh,uchar16 Eaddl, uchar16 Eaddh)

{

ISD_SendData(0x81); 

ISD_SendData(0x00);

ISD_SendData(Saddl); //开始地址低8位

ISD_SendData(Saddh); //开始地址高8位

ISD_SendData(Eaddl); //结束地址低8位

ISD_SendData(Eaddh); //结束地址高8位

ISD_SendData(0x00);

SS_H; 

}





/*ISD1760擦除*/

void ISD_Erase(void)

{

ISD_SendData(0x42); //发送擦除命令

ISD_SendData(0x00);

SS_H; 

}



/*定点擦除*/

void ISD_SET_Erase(uchar16 Saddl,uchar16 Saddh,uchar16 Eaddl, uchar16 Eaddh)

{

ISD_SendData(0x82); 

ISD_SendData(0x00);

ISD_SendData(Saddl); //开始地址低8位

ISD_SendData(Saddh); //开始地址高8位

ISD_SendData(Eaddl); //结束地址低8位

ISD_SendData(Eaddh); //结束地址高8位

ISD_SendData(0x00);

SS_H; 

}



/*ISD1760全体擦除*/

void ISD_G_Erase(void)

{

ISD_SendData(0x43); //发送全体擦除命令

ISD_SendData(0x00);

SS_H; 

}



/*读取状态寄存器内容*/

void ISD_Rd_Status(void)

{

unsigned char i; 

ISD_SendData(0x05); //发送

ISD_SendData(0x00);

ISD_SendData(0x00);

SS_H;

for(i=2;i>0;i--) //延迟

{;}

SR0_L=ISD_SendData(0x05); //从MISO读出状态

SR0_H=ISD_SendData(0x00);

SR1=ISD_SendData(0x00);

SS_H;

}



/*读取放音指针*/

void ISD_Rd_Playptr(void)

{

uchar16 i;

ISD_SendData(0x06); //发送

ISD_SendData(0x00);

ISD_SendData(0x00);

ISD_SendData(0x00);

SS_H;

for(i=2;i>0;i--) //延迟

{;}

SR0_L=ISD_SendData(0x06); //从MISO读出状态

SR0_H=ISD_SendData(0x00);

PlayAddL=ISD_SendData(0x00); //读取放音指针低8位

PlayAddH=ISD_SendData(0x00); //读取放音指针高8位 

SS_H;

}



/*读取录音指针*/

void ISD_Rd_Recptr(void)

{

uchar16 i;

ISD_SendData(0x08); //发送

ISD_SendData(0x00);

ISD_SendData(0x00);

ISD_SendData(0x00);

SS_H;

for(i=2;i>0;i--) //延迟

{;}

SR0_L=ISD_SendData(0x08); //从MISO读出状态

SR0_H=ISD_SendData(0x00);

RecAddL=ISD_SendData(0x00); //读录音指针低8位

RecAddH=ISD_SendData(0x00); //读录音指针高8位 

SS_H;

}



/*将APC数据写入NVCFG寄存器中*/

void ISD_WR_NVCFG(uchar16 apcdatl,uchar16 apcdath)

{

ISD_SendData(0x46); 

ISD_SendData(apcdatl); //发送低8位数据

ISD_SendData(apcdath); //发送高8位数据

SS_H; 

}





/*将NVCFG数据写入APC寄存器中*/

void ISD_LD_NVCFG(void)

{

ISD_SendData(0x47); 

ISD_SendData(0x00);

SS_H; 

}





/*放音指针下跳一段，指向下一段语音的起始地址*/

void ISD_FWD(void)

{

ISD_SendData(0x48); 

ISD_SendData(0x00);

SS_H; 

}



/*空间检查*/

void ISD_CHK_MEM(void)

{

ISD_SendData(0x49); 

ISD_SendData(0x00);

SS_H; 

}





/*启用/关闭 外部时钟模式*/

void ISD_EXTCLK(void)

{

ISD_SendData(0x4a); 

ISD_SendData(0x00);

SS_H; 

}



/*读取APC寄存器内容*/

unsigned char ISD_Devid(void)

{

uchar16 DeviceNO,i;

ISD_SendData(0x09); //发送

ISD_SendData(0x00);

ISD_SendData(0x00);

SS_H;

for(i=2;i>0;i--) //延迟

{;}

ISD_SendData(0x09); 

ISD_SendData(0x00);

DeviceNO=ISD_SendData(0x00); 

SS_H;

return DeviceNO;

}



/*设置APC2*/

void ISD_WR_APC2(uchar16 apcdatl,uchar16 apcdath)

{

ISD_SendData(0x65);

ISD_SendData(apcdatl); //发送低8位数据

ISD_SendData(apcdath); //发送高8位数据 

SS_H;

}



/*ISD1760初始化*/

void ISD_init(void)

{

unsigned char i=2;

do

{

ISD_PU(); //上电

delay(50);

ISD_Rd_Status(); //读取状态

}while(CMD||(!PU)); //if(CMD_Err==1)||(PU!=1)则再次发送上电指令



ISD_WR_APC2(0x40,0x04); //将0x0440写入APC寄存器，此时语音提示关



do

{

ISD_Rd_Status();

} //等待RDY置位1

while (RDY==0);



do

{

LED_ON;

delay(300);

LED_OFF;

delay(300);

i--;

}

while(i>0);

}



//SPI通信初始化

void spi_init()

{

DDRB|=0xB0;//PB7,5,4设置为输出

SPCR=0x7F;//主机模式，LSB先发送，fosc/128

//SPCR=0x7C;

}



/*ISD1760进行相关操作*/

void ISDWORK(void)

{

unsigned char i;

switch(flag)

{

case 0x06: //放音

do {ISD_Rd_Status();}while(RDY==0); //读取状态寄存器内容,RDY=O表示忙

delay(10);

ISD_Play(); //发送放音命令

delay(2);

LED_ON;

do {ISD_Rd_Status();

if(Key_STOP==0)

{

delay(20);

if(Key_STOP==0) /*暂停键*/

{

ISD_Clr_Int(); //清除中断标志

ISD_STOP(); //停止当前操作

return;

} 

} 

}while(PLAY==1);

LED_OFF;

ISD_Clr_Int();

do {ISD_Rd_Status();

}while(RDY==0);

delay(10);

ISD_FWD(); //放音指针下跳一段 

do {ISD_Rd_Status();

}while(RDY==0);

break;



case 0x04: //录音

ISD_Clr_Int();

do {ISD_Rd_Status();

}while(RDY==0);

LED_ON;

ISD_Rec(); //录音

do {ISD_Rd_Status();

if(FULL==1) //存储空间满

{

for(i=3;i>0;i--)

{ LED_ON;

delay(300);

LED_OFF;

delay(200);

}

}

}while(Key_AN==0); /*录音键*/

ISD_Clr_Int();

ISD_STOP();

LED_OFF;

break;



case 0x08: //全体擦除

do {ISD_Rd_Status();

}while(RDY==0);

delay(2);

ISD_G_Erase();

do {ISD_Rd_Status();

}while(RDY==0);

for(i=3;i>0;i--)

{ LED_ON;

delay(300);

LED_OFF;

delay(200);

}

break;



case 0x0A: //全体擦除

do {ISD_Rd_Status();

}while(RDY==0);

delay(2);

ISD_G_Erase();

do {ISD_Rd_Status();

}while(RDY==0);

for(i=3;i>0;i--)

{ LED_ON;

delay(300);

LED_OFF;

delay(200);

}

break;





case 0x80: //复位下电

ISD_Clr_Int();

ISD_STOP();

ISD_Reset();

ISD_PD();

break; 

}

}



void main(void)

{

uchar16 i;

DDRB|=0x10; //SS口设置为输出

DDRA|=0X01; //A0口设置为输出

DDRA&=~0X0E; //A1,A2,A3设置为输入

delay(1);

spi_init(); //SPI通信初始化

ISD_init();

while(1)

{

if(Key_AN==0) /*AN按键按下,若Switch_PR=1则录音，=0则放音*/

{

delay(10);

if(Key_AN==0)

{

if(Switch_PR1==0x02)

{

flag&=0x0E; //flag 值只取A1A2A3三口的值

//PR_flag1;

}

else 

{

flag&=0x0E;

//PR_flag0;

}

ISDWORK();

}

}



if(Key_STOP==0) //Key_STOP快速按一次则下电，长按住则全擦除

{

delay(20);

if(Key_STOP==0)

{

for(i=100;i>0;i--)

{

if(Key_STOP==1)

{

flag=0x80; //下电标志

ISDWORK();

ISD_init();

break;

}

delay(30); 

}

if(flag==0x80) 

{

flag=0x00; //放音标志

continue;

}

flag&=0x0E; //全擦标志

//Erase_flag1; 

ISDWORK(); 

}



}

}

}