音乐.c

很好的一个C语言音乐播放程序

//此程序在硬件上调试通过
//本程序的单片机晶振采用11.0592M
#include <reg51.h>
sbit      speaker=P1^2;  
unsigned char timer0h,timer0l,time;
        //世上只有妈妈好数据表
code unsigned char sszymmh[]={        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
code unsigned char FREQH[]={
                                0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8, 
                                0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i
                                0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,
                                0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,
                               } ;
         // 音阶频率表 低八位
code unsigned char FREQL[]={
                                 0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,
                                 0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i
                                 0xEE,0x44, 0x6B,0xB4,0xF4,0x2D, 
                                 0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,
                                };
void delay(unsigned char t)
   {
   unsigned char t1;
   unsigned long t2;
   for(t1=0;t1<t;t1++)
   {
    for(t2=0;t2<8000;t2++)
       {
        ;
        }
   }
   TR0=0;
 }
void t0int() interrupt 1
{
 TR0=0;
 speaker=!speaker;
 TH0=timer0h;
 TL0=timer0l;
 TR0=1;
 }
void song()
{
 TH0=timer0h;
 TL0=timer0l;
 TR0=1;
 delay(time);                       
 }

 void main(void)
 {
 unsigned char k,i;
 TMOD=1; //置CT0定时工作方式1
 EA=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];
       timer0l=FREQL[k];
       time=sszymmh[i+2];
       i=i+3;
       song();
        }
      } 
  }