基于C51实现播放一段音乐.zip

#include <reg52.h> #define uchar unsigned char #define uint unsigned int sbit BEEP = P3^7; uchar code SONG_TONE[]= { 212,212,190,212,159,169,212,212,190,212,142,159,212,212,106,126,129,169,190,119,119,126,159,142,159,0 }; uchar code SONG_LONG[]= { 9,3,12,12,12,24,9,3,12,12,12,24,9,3,12,12,12,12,12,9,3,12,12,12,24,0 }; void DelayMS(uint ms) { uchar t; while(ms--) { for(t=0;t<120;t++); } } void PlayMusic() { uint i =0,j,k; while(SONG_LONG[i]!=0||SONG_TONE[i]!=0) { for(j=0;j<SONG_LONG[i]*20;j++) { BEEP = ~BEEP; for(k=0;k<SONG_TONE[i]/3;k++); } DelayMS(10); i++; } } void main() { while(1) { PlayMusic(); DelayMS(500); } }