[AVR问答]

ISD1760语音芯片+ATMEGA16

2013-3-29 22:14:58 3182

0 我用ATMEGA16与isd1760语音芯片想做一个具有录/放功能的电路，可是连好电路编好程序，没反应。肯定是哪里出错了。还希望哪位高手费时帮我看看，我刚学习这个，实在不是很懂找不出原因。这个任务急着交的。谢谢！ #include #include #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 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< 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(); } } } } 复制代码 1
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