#include?“at89x51.h“		?
#include?“control.h“		???//用于顯控制數(shù)碼管示的函數(shù)

int?EWNowCount;		???//東西向的顯示秒數(shù)
int?NSNowCount;		//南北向德顯示秒數(shù)
int?temp?;	???//?臨時(shí)變量，用以判斷路燈轉(zhuǎn)換條件及賦給count的值
unsigned?int?num;		??//計(jì)時(shí)次數(shù)，每4000次為一秒
unsigned?char?delay_time;	?????//控制閃爍的延時(shí)
unsigned?char?edit;			???//可設(shè)置紅綠燈初始值
unsigned?char?setClicks;			//保存set鍵的按下次數(shù)
unsigned?char?FlashChange;		//東西向與南北向計(jì)時(shí)器轉(zhuǎn)換?
char?add;????????????????//加或者減后的值
int?EWGreenDef?=?60?;	???//東西向的默認(rèn)值
int?EWYellowDef?=?4?;
int?EWRedDef?=	44	;
int?NSGreenDef	?=?40?;	???//南北向的默認(rèn)值
int?NSYellowDef?=?4?;
int?NSRedDef?	=?64?;
int?EWGreen;
int?EWYellow;			???//定義六個(gè)變量?，用來(lái)讀秒
int?EWRed;
int?NSGreen;
int?NSYellow;
int?NSRed?;
int?Sum1?;				??//??EWGreenDef?+EWYellowDef+?EWRedDef
int?Sum2?;				??//???EWGreenDef+EWYellowDef
int?Sum3?;				??//??NSGreenDef+NSRedDef
unsigned?char?n;		??//用其值來(lái)判斷是否為長(zhǎng)按鍵

void?T0_INT（void）?interrupt?1					/*定時(shí)器T0，控制紅綠燈的轉(zhuǎn)換?*/		???
{
	num++;
	Sum1?=?EWGreenDef?+EWYellowDef+?EWRedDef;
	Sum2?=?EWGreenDef+EWYellowDef;
	Sum3?=?NSGreenDef+NSRedDef?;
	if（?num?==4000?）							/*1s?=?0.25ms?*4000?*/?
	{
		
		if（temp<=EWGreenDef）						/*?東西向綠燈讀秒?*/?
		{
			EWNowCount?=?EWGreen;
			EWGreenLight（）;
			EWGreen--;			
		}
		if（temp<=NSRedDef）						???/*?南北向紅燈燈讀秒?*/?
		{
			NSNowCount?=?NSRed;
			NSRedLight（）;
			NSRed--;
		}
		if（temp<=Sum2?&&?temp>EWGreenDef）????????/*?東西向黃燈讀秒?*/??
		{
			EWNowCount?=?EWYellow;
			EWYellowLight（）;
			EWYellow--;	
		}		
		if（temp<=Sum3?&&?temp>NSRedDef）				/*?南北向綠燈讀秒?*/?
		{
			NSNowCount?=?NSGreen;
			NSGreenLight（）;
			NSGreen--;
		}
		if（temp<=Sum1+2?&&?temp?>?Sum2）				/*?東西向紅燈讀秒?*/?
		{
			EWNowCount?=?EWRed;
			EWRedLight（）;
			EWRed--;
		}
		if（temp<=Sum1+2?&&?temp?>?Sum3）				/*?南北向黃燈讀秒?*/?
		{
			NSNowCount?=?NSYellow;
			NSYellowLight（）;
			NSYellow--;		
		}
		if（EWGreen<0）?	EWGreen?=?EWGreenDef;			?/*?重新裝載初值?*/?
		if（EWYellow<0）?	EWYellow?=?EWYellowDef;
		if（EWRed<0）?	EWRed?=?EWRedDef;
		if（NSGreen<0）?	NSGreen?=?NSGreenDef;
		if（NSYellow<0）?	NSYellow?=?NSYellowDef;
		if（NSRed<0）?	NSRed?=?NSRedDef;
		
		temp++;
		if（temp>Sum1）?temp?=?0;		

		num=0;
	}

}

void?T1_INT（void）?interrupt?3					/*??定時(shí)器?T1控制長(zhǎng)按鍵??*/		?
{
?if（P0_1==0?||?P0_0==0）?n++;
?if（P0_1==1?&&?P0_0==1）?
?{
?	n=0;

?}
	
}

unsigned?char?getKey（void）		?????/*??判斷哪個(gè)鍵被按下并返回鍵值	??*/	
{
	unsigned?char?key?;
	if（P0_0?==?0?||?P0_1==0?||?P3_3==0）
	{
		delay_ms（10）;
		if（P0_0==0）									/*?add鍵?*/?
		{?
			key=2;

			while（!P0_0）;
		
			if（n<100）?add++;
			if（n>100）
				add=add+10;
			if（add>=99）	add=99;
			
		}
		
		if（P0_1==0）									/*?decrease鍵?*/?
		{?
			key=3;
			TR1?=?1;
			while（!P0_1）;	
			if（n<100）	add--;
			if（n>100）
					add=add-10;
			if（add<=0）?add?=?0;
		}

		if（P3_3==0）									/*?set鍵?*/?
		{
			while（!P3_3）?;
			key?=?1?;
			setClicks++;
			
		}
	???			
	}
	else?key=0;										/*?無(wú)鍵按下?*/?
	return?key;
}

void?run（void）		?		/*根據(jù)鍵值，實(shí)現(xiàn)相應(yīng)的功能（設(shè)置，加或減）?*/
{

	unsi

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1797??2010-06-11?07:14??C51\Control.h

?????文件???????7375??2010-06-11?07:14??C51\main.c

?????文件??????22171??2010-06-11?07:15??C51\main.LST

?????文件??????23005??2010-06-11?07:15??C51\main.OBJ

?????文件??????18476??2010-06-11?07:15??C51\S18

?????文件???????4794??2010-06-11?07:15??C51\S18.hex

?????文件?????????40??2010-06-11?07:15??C51\S18.lnp

?????文件??????26519??2010-06-11?07:15??C51\S18.M51

?????文件???????1839??2010-06-11?07:15??C51\S18.Opt

?????文件??????98610??2010-06-11?07:15??C51\S18.plg

?????文件???????2190??2010-06-11?03:44??C51\S18.Uv2

????.......??????1840??2010-06-11?07:15??C51\S18_Opt.Bak

????.......??????2190??2010-06-04?03:52??C51\S18_Uv2.Bak

?????文件???????6376??2005-03-22?15:22??C51\STARTUP.A51

?????文件??????14076??2010-06-11?07:15??C51\STARTUP.LST

?????文件????????758??2010-06-11?07:15??C51\STARTUP.OBJ

?????文件?????129869??2010-06-11?06:49??capture\at89c51.jpg

?????文件?????187865??2010-06-11?06:49??capture\display.jpg

?????文件?????302760??2010-06-11?06:48??capture\picture1.jpg

????..A.SH.?????16896??2010-06-11?08:46??capture\Thumbs.db

?????文件?????116736??2010-05-23?10:19??考察項(xiàng)目.ppt

?????文件?????113536??2010-06-09?17:11??ISIS設(shè)計(jì)圖\Last?Loaded?s.DBK

?????文件?????113536??2010-06-09?18:16??ISIS設(shè)計(jì)圖\s.DSN

?????文件????????768??2010-06-11?06:50??ISIS設(shè)計(jì)圖\s.PWI

?????目錄??????????0??2010-06-11?08:49??C51

?????目錄??????????0??2010-06-11?08:00??capture

?????目錄??????????0??2010-06-17?17:24??ISIS設(shè)計(jì)圖

-----------?---------??----------?-----??----

??????????????1214022????????????????????27



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