单片机蜂鸣器源程序

#include "reg52.h"
#include "intrins.h"
sbit deep=P1^5;
typedef unsigned char u8;
typedef unsigned int u16;
void delay(u16 i)
{
while(i--);    //延时程序
}
void main()
{ while(1)
{ deep=1;     //蜂鸣器开
delay(15);
deep=0;       //蜂鸣器关
delay(15);
}
}