z模拟音乐程序.doc

《z模拟音乐程序.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、/******************************************************************************函数功能：无源蜂鸣器测试-世上只有妈妈好*使用说明：******************************************************************************/#include#defineucharunsignedcharsbitbeep=P2^0;//定义蜂鸣器输出端口uchartimer0h,timer0l,

2、time;//世上只有妈妈好数据表codeucharsszymmh[]={6,2,3,5,2,1,3,2,2,5,2,2,1,3,2,6,2,1,5,2,1,6,2,4,3,2,2,5,2,1,6,2,1,5,2,2,3,2,2,1,2,1,6,1,1,5,2,1,3,2,1,2,2,4,2,2,3,3,2,1,5,2,2,5,2,1,6,2,1,3,2,2,2,2,2,1,2,4,5,2,3,3,2,1,2,2,1,1,2,1,6,1,1,1,2,1,5,1,6,0,0,0};//音阶频率表高八位codeucharFREQH[]={0

3、xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC,//1,2,3,4,5,6,7,8,i0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,};//音阶频率表低八位codeucharFREQL[]={0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F,//1,2,3,

4、4,5,6,7,8,i0xEE,0x44,0x6B,0xB4,0xF4,0x2D,0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,};voiddelay(uchart)//延时函数{uchart1;unsignedlongt2;for(t1=0;t1

5、**********************************主函数******************************************************************/voidmain(void){uchark,i;TMOD=1;//置CT0定时工作方式1EA=1;ET0=1;//IE=0x82//CPU开中断,CT0开中断while(1){i=0;while(i<100)//音乐数组长度，唱完从头再来{k=sszymmh[i]+7*sszymmh[i+1]-1;timer0h=FREQH[k];

6、timer0l=FREQL[k];time=sszymmh[i+2];i=i+3;song();}}}voidt0int()interrupt1//定时器中断函数{TR0=0;beep=!beep;TH0=timer0h;TL0=timer0l;TR0=1;}