标题: 单片机蜂鸣器源程序 [打印本页]

作者: loading88    时间: 2018-4-27 13:38
标题: 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);
}
}






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