#include?
#include?“intrins.h“
//#include?“Lcd1602.h“
#define?uchar?unsigned?char
#define?uint?unsigned?int

sbit?BEEP?=?P1^6;??//報警提示口
sbit?vout?=?P1^7;??//脈沖發送口
sbit?P3_2?=?P3^2;??//中斷接收口
sbit?P2_2?=?P2^2;

//sbit?INT?=?P1^6;?
bit?flag;
static?uchar?ledcode[12]?=?{0xC00xF90xA40xB00x990x920x820xF80x800x900xff0x7f};

//unsigned?char?discol[4]={0xef0xdf0xbf0x7f};
unsigned?char?code?Anum_code[]={“0123456789“};
unsigned?char?disbuf[4]={0123};
float?highlow;
unsigned?char?qianbaishige;
//unsigned?char?j=600;

/*void?delay_1ms（void）??//12mhz?delay?1.01ms
{
???unsigned?char?xy;???
???x=3;
???while（x--）?
??{
?????y=40;
?????while（y--）;
??}
}

void?delay_1us（unsigned?char?i）?//i=1?5us;?i=27us;?i=39us
{?
????while（--i）;?
}*/

void?delay_50us（unsigned?int?t）?//?t=100?5ms;?t=1000?50ms
{
?unsigned?char?j;??
?for（;t>0;t--）???
??for（j=19;j>0;j--）;
}

/*void?delay_50ms（unsigned?int?t）?//?t=10?500ms;?t=100?5s;
{
?unsigned?int?j;?
?for（;t>0;t--）?
??for（j=6245;j>0;j--）;
}*/
void?display（void）
{
??	uint?aij;
	for（j=0;j<400;j++）
		{
			for（i=0;i<4;i++）	???????????????//?四路掃描
	????	{
			??
			??P0?=?ledcode[disbuf[3-i]];		//?發送顯示數據
			??P2?=?~（1<			??for?（a=0;?a<40;?a++）;			????//?延時一段時間
			??P2?|=?（1<	????	}
			??P2_2?=?0;
			??P0?=?ledcode[11];		????????????//?顯示小數點
		???	??
	????	??for?（a=0;?a<40;?a++）;
		??????P2_2?=?1;
		}
}

void?work（void）
{?
??//unsigned?char?qianbaishige;
??float?value;
??value=（high*256+low）*17/100;
??qian=value/1000;
??bai=（value-qian*1000）/100;
??shi=（value-qian*1000-bai*100）/10;
??ge=value-qian*1000-bai*100-shi*10;
??if（value<=1000）
??{
????BEEP=0;
??}
??else
??{
????BEEP=1;
??}
??disbuf[0]?=