自动控制交通灯C语言程序

#include

#define uchar unsigned char

#define uint unsigned int

const uchar SMG[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6F}; uchar NUM,SIGN=10,TIM,TIM2;

bit FLAG,FLAG2;

sbit hong_D=P1^0;

sbit lv_D=P1^1;

sbit huang_D=P1^2;

sbit hong_B=P1^3;

sbit lv_B=P1^4;

sbit huang_B=P1^5;

sbit BEEP=P3^4;

sbit EN1=P2^3;

sbit DIG1=P2^6;

sbit DIG2=P2^7;

sbit EN2=P2^2;

sbit DIG3=P2^4;

sbit DIG4=P2^5;

sbit KEY1=P3^0;

sbit KEY2=P3^1;

sbit KEY3=P3^2;

sbit KEY4=P3^3;

sbit KEY5=P2^0;

sbit KEY6=P2^1;

void keyscan();

uint M,N;

void delay(uint n)

{

uint x,y;

for(x=n;x>0;x--)

for(y=110;y>0;y--); }

void seg1(uint x)

{

DIG1=0;

P0=SMG[x/10];

delay(1);

DIG1=1;

P0=0X00;

DIG2=0;

P0=SMG[x%10];

delay(1);

DIG2=1;

P0=0X00;

}

void seg2(uint x)

DIG3=0;

P0=SMG[x/10];

delay(1);

DIG3=1;

P0=0X00;

DIG4=0;

P0=SMG[x%10];

delay(1);

DIG4=1;

P0=0X00;

}

void init()

{

P1=0X00;

TIM=SIGN;

}

void INT()

{

EA=1;

TMOD=0X01;

TR0=1;

ET0=1;

TH0=0X3C;

TL0=0X2B;

}

void UINT()

EA=0;

TMOD=0X00;

TR0=0;

ET0=0;

TH0=0X00;

TL0=0X00;

}

void T1_INIT()

{

EA=1;

TMOD=0X10;

TR1=1;

ET1=1;

TH1=(65535-50000)%255;

TL1=(65535-50000)/255; }

void UT1_INIT()

{

EA=0;

TMOD=0X00;

TR1=0;

ET1=0;

TH1=0;

TL1=0;

}

void erro()

hong_D=0;

lv_D=1;

huang_D=1;

hong_B=0;

lv_B=1;

huang_B=1;

BEEP=0;

P0=0x00;

while(KEY5!=0);

delay(5);

while(KEY5==0);

BEEP=1;

delay(5);

}

void night()

{

hong_D=1;

lv_D=1;

hong_B=1;

lv_B=1;

while(1)

{

if(FLAG2)

{

huang_D=0;

huang_B=0;

}

else

{

huang_D=1;

huang_B=1;

}

if(KEY6==0)

{

delay(5);

while(KEY6==0);

delay(5);

break;

}

}

}

void keyscan()

{

if(KEY3==0)

{

delay(5);

UINT();

while(KEY3==0);

delay(5);

if(TIM<4)

{

TIM=SIGN;

}

SIGN=TIM;

while(1)

{

if(KEY1==0)

delay(5);

while(KEY1==0)

{

seg1(TIM);

seg2(TIM-3);

}

delay(5);

TIM++;

if(TIM>99)

{

TIM=4;

}

SIGN=TIM;

}

if(KEY2==0)

{

delay(5);

while(KEY2==0)

{

seg1(TIM);

seg2(TIM-3);

}

delay(5);

TIM--;

if(TIM<4)

{

TIM=99;

}

SIGN=TIM;

if(KEY4==0)

{

delay(5);

while(KEY1==0);

delay(5);

INT();

break;

}

seg1(TIM);

seg2(TIM-3);

}

}

if(KEY5==0)

{

delay(5);

UINT();

while(KEY5==0);

delay(5);

erro();

INT();

}

if(KEY6==0)

{

delay(5);

UINT();

T1_INIT();

while(KEY6==0);

delay(5);

night();

UT1_INIT();

INT();

}

}

void main()

{

init();

delay(3000);

FLAG=1;

INT();

while(1)

{

if(TIM>3)

{

lv_D=FLAG;

huang_D=1;

hong_D=!FLAG;

lv_B=!FLAG;

huang_B=1;

hong_B=FLAG;

if(FLAG)

{

seg1(TIM);

seg2(TIM-3);

}

else

{

seg1(TIM-3);

seg2(TIM);

}

}

if(TIM<4)

{

lv_D=1;

huang_D=FLAG;

hong_D=!FLAG;

lv_B=1;

huang_B=!FLAG;

hong_B=FLAG;

seg1(TIM);

seg2(TIM);

}

keyscan();

}

}

void time0() interrupt 1

{

TL0=0XB0;

TH0=0X3C;

NUM++;

if(NUM==20)

{

NUM=0;

TIM--;

if(TIM==0)

{

TIM=SIGN;

FLAG=!FLAG;

}

}

}

void time1() interrupt 3

{

TH1=0x3c;

TL1=0x2b;

TIM2++;

if(TIM2==10)

{

TIM2=0;

FLAG2=!FLAG2;

}

}

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