#include“at89x51.h“

unsigned?char?num[]={0x3f0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f};	//數(shù)字0~9
unsigned?char?ctr[]={0xfa0xf5};	//0xfa（P3_0和P3_2為0即高位有效）0xf5（P3_1和P3_3為0即低位有效）
unsigned?char?disEW[2];	//記錄東西向高低位數(shù)值
unsigned?char?disSN[2];?//記錄南北向高低位數(shù)值

unsigned?char?v;??
unsigned?char?cnt_ctr;?
unsigned?int?scdEWscdSN;?
unsigned?int?cntSNcntEW;???????????????????
unsigned?char?cntP3_4cntP3_5cntP3_6;
unsigned?int?cnt_numcnt_keycnt_flashkeyMemory;
int?greenEW?=?20yellowEW?=?3greenSN?=?25yellowSN?=?5;

//延時(shí)函數(shù)a為1延時(shí)1毫秒???
void?delay_ms（unsigned?int?a）
{	
	int?i;
	while（a--）
	{
		i?=?70;
		while（i--）;
	}
}

//設(shè)置紅綠黃燈秒數(shù)
void?setSecond（void）
{
	while（P3_4?==?0）;
	cntP3_4++;	//標(biāo)志設(shè)置鍵被按下的次數(shù)
	switch（cntP3_4）
	{
	case?1:
		cntEW?=?5;
		P1?=?0xf7;
		break;
	case?2:
		cntEW?=?1;
		P1?=?0xef;
		break;
	case?3:
		cntSN?=?1;
		P1?=?0xfe;
		break;
	case?4:
		cntSN?=?3;
		P1?=?0xfd;
		break;
	case?5:
		cntEW?=?5;
		cntSN?=?5;
		cnt_num?=?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2009-06-02?22:03??crossing中斷\
?????文件???????14186??2009-05-21?02:40??crossing中斷\Crossing
?????文件??????121161??2009-05-21?02:40??crossing中斷\Crossing.DSN
?????文件????????5101??2009-05-21?02:40??crossing中斷\Crossing.hex
?????文件??????????29??2009-05-21?02:40??crossing中斷\Crossing.lnp
?????文件???????21377??2009-05-21?02:40??crossing中斷\Crossing.M51
?????文件????????1280??2009-05-21?02:40??crossing中斷\Crossing.Opt
?????文件?????????346??2009-05-21?02:40??crossing中斷\Crossing.plg
?????文件?????????742??2009-06-02?22:28??crossing中斷\Crossing.PWI
?????文件????????2110??2009-05-16?22:11??crossing中斷\Crossing.Uv2
?????文件????????1278??2009-05-20?00:05??crossing中斷\Crossing_Opt.Bak
?????文件????????2106??2009-04-05?14:25??crossing中斷\Crossing_Uv2.Bak
?????文件??????121161??2009-05-21?02:22??crossing中斷\Last?Loaded?Crossing.DBK
?????文件????????7000??2009-05-19?19:27??crossing中斷\main.c
?????文件???????19286??2009-05-21?02:40??crossing中斷\main.LST
?????文件???????18372??2009-05-21?02:40??crossing中斷\main.OBJ
?????文件??????302770??2009-06-14?12:39??readme.url