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#include <REGX51.H>
#define uchar unsigned char
sbit NSgreen = P3^1; //南北人行道綠燈
sbit WEgreen = P3^0; //東西人行道綠燈
sbit Add_Button = P3^5;//加時間按鍵
sbit Sub_Button = P3^4;//減時間按鍵
sbit Reduces_Button = P3^3;//模式選擇按鍵
sbit Y1 = P3^2;
sbit WEbuy_Button = P3^6 ;
sbit NSbuy_Button = P3^7 ;
uchar qiehuan=0;
uchar red = 33,yellow = 3,green_strant = 30,green_left = 30;
uchar Mode = 0;
uchar KeyDown=0;
uchar DisplayTab[]={ 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x79}; // 0 1 2 3 4 5 6 7 8 9 E
uchar led[8];
uchar Display_Number[] = {0x82,0x84,0x28,0x48,0x81,0x84,0x18,0x48}; //路口紅綠燈狀態
//延時
void Delay_ms(unsigned int Cnt )
{
unsigned int t;
while (Cnt--)
{
t=100;
while(t--);
}
}
//動態顯示
void Dynamic_display()
{
uchar i = 0;
for(i = 0; i < 8; i++)
{
P0 = DisplayTab[ led[i] ];
P2 = ~(0x01<<i);
Delay_ms(1);
P0 = 0x00;
}
}
/***************中斷程序***********************************/
/*******外部中斷0**********/
void function_isr(void) interrupt 0
{
EX0=0; //關中斷
qiehuan++;
if(qiehuan == 5) Mode=0;
EX0=1; //開中斷
}
//狀態1
void luzhi1()
{
led[4] = green_strant % 10;
led[5] = green_strant / 10;
led[6] = 1;
led[7] = 10;
if(WEbuy_Button == 0) //時間加
{
green_strant += 10;
}
}
//狀態2
void luzhi2()
{
led[4] = green_strant % 10;
led[5] = green_strant / 10;
led[6] = 3;
led[7] = 5;
if(NSbuy_Button == 0) //時間加
{
green_strant += 10;
}
}
/******外部中斷2********/
void function_lib(void) interrupt 2
{
Mode++;
if(Mode == 5) Mode=0;
KeyDown=1;
}
//模式1
void function1()
{
led[4] = green_strant % 10;
led[5] = green_strant / 10;
led[6] = 1;
led[7] = 10;
if(Add_Button == 0) //時間加
{
green_strant += 5;
green_left += 5;
red += 5;
}
if(Sub_Button == 0) //時間減
{
green_strant -= 5;
green_left -= 5;
red -= 5;
}
}
//模式2
void function2()
{
led[4] = green_left % 10;
led[5] = green_left / 10;
led[6] = 2;
led[7] = 10;
if(Add_Button == 0) //時間加
{
green_strant += 5;
green_left += 5;
red += 5;
}
if(Sub_Button == 0) //時間減
{
green_strant -= 5;
green_left -= 5;
red -= 5;
}
}
//模式3
void function3()
{
led[4] = green_strant % 10;
led[5] = green_strant / 10;
led[6] = 3;
led[7] = 5;
if(Add_Button == 0) //時間加
{
green_strant += 5;
green_left += 5;
red += 5;
}
if(Sub_Button == 0) //時間減
{
green_strant -= 5;
green_left -= 5;
red -= 5;
}
}
//模式4
void function4()
{
led[4] = green_left % 10;
led[5] = green_left / 10;
led[6] = 4;
led[7] = 5;
if(Add_Button == 0) //時間加
{
green_strant += 5;
green_left += 5;
red += 5;
}
if(Sub_Button == 0) //時間減
{
green_strant -= 5;
green_left += 5;
red -= 5;
}
}
/*************計時程序*************/
void count_down()
{
uchar time = 0;
uchar Temp,state;
uchar Red,Yellow,Greens,Greenl;
Red = red;
Yellow = yellow;
Greens = green_strant;
Greenl = green_left;
while(1)
{
if(time < green_strant )
{
led[0] = Red % 10;
led[1] = Red / 10;
led[2] = Greens % 10;
led[3] = Greens / 10;
state=0;
WEgreen = 1;
NSgreen = 0;
Red--;
Greens--;
}
if(time >= green_strant & time < (green_strant +yellow ))
{
led[0]=Red % 10;
led[1]=Red / 10;
led[2]=Yellow % 10;
led[3]=Yellow / 10;
state=1;
WEgreen = 1;
NSgreen = 0;
Red--;
Yellow--;
Greens=green_strant; //給直行綠燈恢復初值
}
if(time >= (green_strant +yellow ) & time < (green_strant +yellow+green_strant ) )
{
if(time == (green_strant +yellow ))
{
Red = red; //給紅燈賦值
}
led[0]= Greens % 10;
led[1]= Greens / 10;
led[2]= Red % 10;
led[3]= Red / 10;
state=2;
WEgreen = 0;
NSgreen = 1;
Red--;
Greens--;
Yellow=yellow; //給黃燈恢復初值
}
if(time >= (green_strant +yellow+green_strant ) & time < (green_strant +yellow+green_strant+yellow ) )
{
led[0]= Yellow % 10;
led[1]= Yellow / 10;
led[2]= Red % 10;
led[3]= Red / 10;
state=3;
WEgreen = 0;
NSgreen = 1;
Greens=green_strant; //給直行綠燈恢復初值
Yellow--;
Red--;
}
if(time >= (green_strant +yellow+green_strant+yellow ) & time < (green_strant +yellow+green_strant+yellow+green_left ) )
{
if(time == (green_strant +yellow+green_strant+yellow ) )
{
Red = red; //給紅燈賦值
}
led[0] = Red % 10;
led[1] = Red / 10;
led[2]= Greenl % 10;
led[3]= Greenl / 10;
state=4;
WEgreen = 1;
NSgreen = 0;
Greenl--;
Red--;
Yellow = yellow; //給黃燈賦初值
}
if(time >= (green_strant +yellow+green_strant+yellow+green_left ) & time < (green_strant +yellow+green_strant+yellow+green_left+yellow ) )
{
led[0] = Red % 10;
led[1] = Red / 10;
led[2] = Yellow % 10;
led[3] = Yellow / 10;
state=5;
WEgreen = 1;
NSgreen = 0;
Yellow--;
Red--;
Greenl = green_left; //給左轉綠燈賦初值
}
if(time >= (green_strant +yellow+green_strant+yellow+green_left+yellow ) & time < (green_strant +yellow+green_strant+yellow+green_left+yellow + green_left) )
{
if(time == (green_strant +yellow+green_strant+yellow+green_left+yellow ) )
{
Red = red; //給紅燈賦值
}
led[0] = Greenl % 10;
led[1] = Greenl / 10;
led[2] = Red % 10;
led[3] = Red / 10;
state=6;
WEgreen = 0;
NSgreen = 1;
Yellow = yellow; //給黃燈賦初值
Greenl--;
Red--;
}
if(time >= (green_strant +yellow+green_strant+yellow+green_left+yellow + green_left) & time < (green_strant +yellow+green_strant+yellow+green_left+yellow + green_left+yellow) )
{
led[0]= Yellow % 10;
led[1]= Yellow / 10;
led[2]= Red % 10;
led[3]= Red / 10;
state=7;
WEgreen = 0;
NSgreen = 1;
Greenl = green_left; //給左轉綠燈賦初值
Yellow--;
Red--;
}
if(time >= (green_strant +yellow+green_strant+yellow+green_left+yellow + green_left+yellow))
{
Yellow = yellow; //給黃燈賦初值
break;
}
time++;
Y1= 1 ;
Reduces_Button = 1;
……………………
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