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[(⊙o⊙)…額帮寻！哈哈援制！]昨天晚上好不容易搞好軟件問題【(～￣(OO)￣)ブ】，那不得趁熱打鐵趕緊整一下使自己玩玩货徙，就照書打了代碼花了原理圖左权，成功聽到仿真聲音，不覺有些小激動(dòng)

電路圖

書中代碼區(qū)

#include <reg52.h>
#include<intrins.h>

#define uchar unsigned char
#define uint unsigned int

sbit BEEP=P1^0;         //定義喇叭輸出端口
uchar tick,t1,th;           //定義節(jié)拍和T0初始變量
uchar TABLE[]={         //音符節(jié)拍碼表
    0x82,0x01,0x81,0x94,0x84,0xB4,0xA4,0X04,
    0X82,0X01,0X81,0X94,0X84,0XC4,0XB4,0X04,
    0X82,0X01,0X81,0XF4,0XD4,0XB4,0XA4,0X94,
    0XE2,0X01,0XE1,0XD4,0XB4,0XC4,0XB4,0X04,
    0X82,0X01,0X81,0X94,0X84,0XB4,0XA4,0X04,
    0X82,0X01,0X81,0X94,0X84,0XC4,0XB4,0X04,
    0X82,0X01,0X81,0XF4,0XD4,0XB4,0XA4,0X94,
    0XE2,0X01,0XE1,0XD4,0XB4,0XC4,0XB4,0X04,
    0X00,
};

uchar TABLE1[]={                                                    //音符對應(yīng)的定時(shí)器初始表
    0xfd,0x04,0xfd,0x90,0xfc,0x09,0xfc,0x44,
    0xfc,0xac,0xfb,0x09,0xfb,0x34,0xfb,0x82,
    0xfb,0xc8,0xfe,0x06,0xfe,0x22,0xfe,0x56,
    0xfe,0x85,0xfe,0x9a,0xfe,0xc1,  
};

/********************************T0中斷服務(wù)函數(shù)    *******************************/
timer0() interrupt 1 using 1{
    TL0=t1;TH0=th;  //重裝定時(shí)初值
    BEEP=~BEEP;     //喇叭輸出定時(shí)取反
}
/***************************基本單位延時(shí)函數(shù)*************************/
void delay1(){
    uint i;
    for(i=0;i<20000;i++);
}

/*****************************節(jié)拍延時(shí)函數(shù)**************************/

void delay(tt){

    uchar i;
    for (i=0;i<=tt;i++) delay1();
}

/***********************************主函數(shù)******************************/
void main(){

    uchar t,t1,k=0;
    while(1){
        TMOD=0X01;IE=0X82;          //定義T0工作方式痴颊，開中斷
        while (TABLE[k]!=0){            //判斷節(jié)拍碼是否為結(jié)束碼
            tick=(TABLE[k])&0x0f;   //不是則取節(jié)拍碼
            t=(_crol_(TABLE[k],4))&0x0f;//取音符碼
            if(t!=0){                   //判斷取得的音符碼是否為0
                t1=--t*2+1;             //不是根據(jù)取得的音符碼計(jì)算T0初值
                t=t*2;
                t1=TL0=TABLE1[t1];
                th=TH0=TABLE1[t];
                TR0=1;                  //啟動(dòng)T0
            }
            else TR0=0;                 //取得音符碼為0則停止T0
            delay(tick);                //根據(jù)節(jié)拍碼延時(shí)
            k++;
        }
        TR0=0;                          //取得結(jié)束碼則停止T0
    }
}