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来自「基于51单片机的智能温度报警模块化编程」· 代码 · 共 23 行

#include"DS18B20.H"
#include"beep.h"
#include"delay.h"
#define tempsos 50 
int main(void)
{	unsigned char temp;
	beepoff();	
	while(1)
	{
		temp=ds18b20();
		if(temp>=tempsos)
		{
			beepon();
		
		}
		else
		{
		beepoff();
		}
	}
}