2022年交通灯十字路口控制器程序

1、#include #define uchar unsigned char #define uint unsigned int uchar code table= 0 x3f,0 x06,0 x5b,0 x4f, 0 x66,0 x6d,0 x7d,0 x07, 0 x7f,0 x6f,0 x40 ; /*digit display port* sbit led_w1=P11; 1 / 35 sbit led_w2=P10; sbit led_w3=P13; sbit led_w4=P12; /*define led port * sbit R1=P24; /east and west red

2、led sbit Y1=P23; /east and west yellow led sbit G1=P22; /east and west green led sbit R2=P25; /south and north red led sbit Y2=P26; /south and north yellow led sbit G2=P27; /south and north green led /*define key* 2 / 35 sbit k0=P30; /emergency sbit k1=P31; /east and west pass sbit k2=P32; /south an

3、d north pass sbit k3=P33; /start and subtract 1 sbit k4=P34; /pause and add 1 sbit k5=P35; /set time /*define variable* bit flag,flag_t; uchar dx_time,nb_time; uchar cnt,pass_time,cnt1,y_time; uchar k0num,k1num,k2num,k3num,k4num,k5num; 3 / 35 /*define key* void delayuint i uint x,y; forx=i;x0;x- for

4、y=110;y0;y-; void timer0_init TMOD=0 x11; TH0=65536-50000/256; TL0=65536-50000%256; 4 / 35 TH1=65536-50000/256; TL1=65536-50000%256; EA=1; ET0=1; ET1=1; void led_displayuchar dx,nb uchar dx1,dx2,nb1,nb2; dx2=dx/10; dx1=dx%10; nb2=nb/10; 5 / 35 nb1=nb%10; ifdx99 led_w1=1; led_w2=1; else led_w1=0; P0=

5、tabledx1; delay5; led_w1=1; 6 / 35 ifdx0 led_w2=1; else led_w2=0; P0=tabledx2; delay5; led_w2=1; ifnb99 7 / 35 led_w3=1; led_w4=1; else led_w3=0; P0=tablenb1; delay5; led_w3=3; ifnb0 led_w4=1; else 8 / 35 led_w4=0; P0=tablenb2; delay5; led_w4=4; /*light work* void circle_led if.flag 9 / 35 ifpass_ti

6、me5 led_displaypass_time-5,pass_time; R1=1;Y1=1;G1=0; /east and west pass R2=0;Y2=1;G2=1; /south and north stop ifpass_time0 ifcnt=10 led_displaypass_time,pass_time; else led_display100,pass_time; R1=1;G1=1; /east and west yellow led flash ifcnt=10 Y1=0; 10 / 35 else Y1=1; R2=0;Y2=1;G2=1; ifpass_tim

7、e=0 pass_time=nb_time; flag=1; else ifpass_time5 11 / 35 led_displaypass_time,pass_time-5; R1=0;Y1=1;G1=1; /east and west stop R2=1;Y2=1;G2=0; /south and north pass ifpass_time0 ifcnt=10 led_displaypass_time,pass_time; else led_displaypass_time,100; R1=0;Y1=1;G1=1; R2=1;G2=1; /south and north yellow

8、 led flash ifcnt=10 Y2=0; 12 / 35 else Y2=1; ifpass_time=0 pass_time=dx_time; flag=0; void emergency /east and west,south and north stop 13 / 35 led_display0,0; R1=0;Y1=1;G1=1; R2=0;Y2=1;G2=1; void dx_pass /east and west pass,south and north stop led_display100,100; ify_time0 TR1=1; R1=0;Y1=1;G1=1;

9、R2=1;G2=1; /south and north yellow led flash 14 / 35 ifcnt1=10 Y2=0; else Y2=1; ify_time=0 TR1=0; R1=1;Y1=1;G1=0; R2=0;Y2=1;G2=1; void nb_pass /south and north pass,east and west stop 15 / 35 led_display100,100; ify_time0 TR1=1; R1=1;G1=1; ifcnt1=10 Y1=0; /east and west yellow led flash else Y1=1; R

10、2=0;Y2=1;G2=1; ify_time=0 16 / 35 TR1=0; R1=0;Y1=1;G1=1; R2=1;Y2=1;G2=0; /*keyboard scan* void keyscan if.k5num ifk0=0 /*emergency* 17 / 35 delay10; ifk0=0 while.k0; TR0=0; k0num=1; if.k1num&.k0num ifk1=0 18 / 35 delay10; ifk1=0 while.k1; k1num=1; k2num=0; y_time=5; /单方向通行时,黄灯闪耀时间 TR0=0; TR1=1; 19 /

11、 35 if.k2num&.k0num ifk2=0 delay10; ifk2=0 while.k2; k1num=0; k2num=1; y_time=5; /单方向通行时,黄灯闪耀时间 TR0=0; 20 / 35 TR1=1; ifk3=0 delay10; ifk3=0 while.k3; ifk1num|k2num pass_time=dx_time; / 由东西或南北通行返回时,重新开头执行；21 / 35 k0num=0; k1num=0; k2num=0; k4num=0; k5num=0; TR0=1; TR1=0; flag_t=0; if.k4&.k0num /paus

12、e delay10; 22 / 35 ifk4=0 while.k4; TR0=0; k4num=1; ifk4num=1 /暂停键按下时,才可以调整两个方向通行时间 ifk5=0 23 / 35 delay10; ifk5=0 k5num+; while.k5; switchk5num case 1: TR0=1; flag_t=1; /调整时间时, pass_time 值不变；k5num=1; break; case 2: 24 / 35 k5num=2; break; case 3: TR0=0; k5num=0; pass_time=dx_time; /重新赋值 break; ifk5

13、num.=0 ifk3=0 25 / 35 delay10; ifk3=0 while.k3; switchk5num case 1: dx_time-; ifdx_time10 dx_time=99; break; case 2: nb_time-; 26 / 35 ifnb_time=100 dx_time=10; break; case 2: nb_time+; ifnb_time=100 nb_time=10; break; 28 / 35 void main timer0_init; dx_time=45; nb_time=30; pass_time=dx_time; while1

14、keyscan; 29 / 35 ifk0num emergency; else switchk4num case 0: if.k1num&.k2num circle_led; else ifk1num dx_pass; ifk2num nb_pass; 30 / 35 break; case 1: switchk5num case 0: if.k1num&.k2num circle_led; else ifk1num dx_pass; ifk2num nb_pass; break; 31 / 35 case 1: R1=1;Y1=1;G1=1; R2=1;Y2=1;G2=1; ifcnt=10 /调整时间时,关闭全部灯led_display100,nb_time; else led_displaydx_time,nb_time; break; case 2: R1=1;Y1=1;G1=1; R2=1;Y2=1;G2=1; ifcnt=10 /调整时间时,关闭全部灯led_displaydx_time,100; 32 / 35 else led_displaydx_time,nb_time; break; br