test5.c

学习单片机_单片机程序和PROTEUS仿真原理图

#include <reg52.H> 
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit beep=P3^7;
unsigned char code song_tone[] ={ 212,212,190,212,159,169,212,
 212,190,212,142,159,212,212,106,126,159,169,190,119,126,
 159,142,159,0}	;
unsigned char code song_long[] = {9,3,12,12,24,9,3,12,12,12,24,
9,3,12,12,12,12,12,9,3,12,12,12,24,0};
//uchar code show_t[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
//uchar code show_t1[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xF8,0x80,0x90};
//uchar code tab1[]={0x02,0x9e,0x24,0x0c,0x98,0x48,0x40,0x1e,0x00,0x18,0x10,0xc0,0x62,0x84,0x60,0x70}; //带小数点的
void delay( uint z ) //延时程序，延时准确为1MS；
{
  uint x,y;
 for(x=z;x>0;x--)
 for(y=110;y>0;y--) ;
}	
void playmusic()
{
uint i,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++);
}
delay(100);
i++;
}
}

void main()
{
beep=0;	
while(1)
{
playmusic();
delay(500);
}

}