数字钟程序.doc

交通灯控制程序(单片机制作）2009-06-17 11:03 以下是用C语言编写的交通灯控制程序： /晶振11.0592M 定时器0定时，方式1，25ms常数a600,10ms常数dc00,5ms常数ee00, /全红0x55;全绿0xaa;全黄0x00;南北红，东西绿0x66;南北绿，东西红0x99;#include sfr smdis = 0x80; sfr jtd = 0xa0; sfr jtdh= 0x90; sfr P4 =0xC0; sfr P4SW =0xBB; sbit weishuang0 = P44; sbit weishuang1 = P45; sbit weishuang2 = P46; sbit NLR = P36; sbit NLG = P37; unsigned char code md=0xf5,0x05,0xb3,0x97,0x47,0xd6,0xf6,0x85,0xf7,0xd7,0xe7,0x76,0xf0,0x37,0xf2,0xe2,0x00; /0,1,2,3,4,5,6,7,8,9,A,b,C,d,E,F unsigned char time=0; unsigned char sec=10; unsigned char waittime=10; unsigned char p33; unsigned char fangshi=0; bit flag=0; /运行方式控制,立即转换标志/状态数组中，第一个数字为P2口的数据，北红绿，西红绿，南红绿，东红绿；/第二个数字为P1口的数据，北（P1.0）西南东黄灯，南左黄灯，北左黄?/南左红（P1.6）绿(P1.6)/ 第二个数字为P3口的数据，仅P3。6接北左红，P3.7接北左绿 unsigned char S0=0x59, 0x7f ,0x80,35 ; /状态S0 unsigned char S1=0xdd, 0xca ,0xc0,3 ; /状态S1 unsigned char S2=0x95, 0xbf ,0x40,35 ; /状态S2 unsigned char S3=0xf7, 0xa4 ,0xc0,3 ; /状态S3 unsigned char S4=0x66,0xbf ,0x80,20 ; /状态S4 /unsigned char S5=0x7f,0xd1 ,0x80,3 ; /状态S5 unsigned char S5=0x77,0xb5 ,0x80,3 ; /状态S5 unsigned char S6=0x55, 0xbf ,0x80,10 ; /状态S6;中断状态或紧急控制状态 unsigned char shu0,shu1,shu2,tc=0;void dissmg() if(tc=0) smdis=mdshu0; weishuang0 = 0; weishuang1 = 1; weishuang2 = 1; else if(tc=1) smdis=mdshu1; weishuang0 = 1; weishuang1 = 0; weishuang2 = 1; else if(tc=2) smdis=mdshu2; weishuang0 = 1; weishuang1 = 1; weishuang2 = 0; * 定时中断程序 * void int_t0() interrupt 1 using 1 TR0 = 0; time+; tc+; if(tc=3) tc=0; if(time=100) waittime-; else if(time=200) waittime-; sec-; time=0; shu0=sec%10; shu1 =sec/10; TH0 = 0xee; TL0 = 0x00; if(tc=0) smdis=mdshu0; weishuang0 = 0; weishuang1 = 1; weishuang2 = 1; else if(tc=1) smdis=mdshu1; weishuang0 = 1; weishuang1 = 0; weishuang2 = 1; else if(tc=2) smdis=mdshu2; weishuang0 = 1; weishuang1 = 1; weishuang2 = 0; /if(tc=3) tc=0; TR0 = 1; * 显示控制函数 * void statusdis(unsigned char *status) sec=1+status3; waittime=2*sec; /time=100; while( waittime) if(flag) flag=0; time=0; sec=1+status3; waittime=2*sec; jtd=status0; /东西南北灯状态 jtdh=status1; /东西南北灯状态 /jtdl=jtdl&0x0f; /jtdl=jtdl|status1; /南左转，北左转灯状态 p33=status2; if(p33&0x40) NLR = 1; /北向左转红灯 else NLR = 0; if(p33&0x80) NLG = 1; /北向左转绿灯 else NLG = 0; dissmg(); /如果用此句，可以增强显示 * 中断程序 *void int_int0() interrupt 0 using 2 unsigned char waittime1,sec1,time1,jtd1,jtdh1,p331; /进中断时保存现场用的 EX0=0; waittime1=waittime;sec1=sec;time1=time;jtd1=jtd;jtdh1=jtdh;p331=p33 statusdis(S6) ; waittime=waittime1;sec=sec1;time=time1;jtd=jtd1;jtdh=jtdh1;p33=p331; EX0=1; void int_int1() interrupt 2 using 3 unsigned long k; EX1=0; for(k=65000;k0;k-) dissmg(); /用此句延时去抖，可以增强显示 fangshi+; flag=1; if(fangshi=4) fangshi=0; switch(fangshi) case 0: /默认的运行方式 S23=S03=35; S43=20; shu2=16; /不显示 break; case 1: S23=S03=50; S43=20; shu2=10; /显示A break; case 2: S23=S03=60; S43=30; shu2=11; /显示b break; case 3: S23=S03=35; S43=35; shu2=12; /显示C break; default: break; for(k=80000;k0;k-) dissmg(); /用此句延时去抖，可以增强显示 EX1=1; * 主 程 序 * void main() / unsigned int i; P4SW=0xff; /把P4口设置成I/O口 TMOD=0x01; /定时器0方式1* 中断入口程序 * TH0 = 0xee; TL0 = 0x00; EA = 1; ET0 = 1; PT0=1; PX0=0; PX1=0; EX0=1; IT0=0; EX1=1; IT1=1; TR0 = 1; shu0=35%10; shu1=35/10; hu2=16; /不显示;* 显示程序 * / statusdis(S5); while(1); while(1) /S0 /东西红灯，南绿北红 0x59 / 南左转绿灯，北左转红灯 0x60 /等待35秒 35 statusdis(S0) ; /S1 /东西红；南北黄灯 0x11 /东西红灯3秒，南北左转均为黄灯 0x00 /等待3秒 3 statusdis(S1) ; /S2 /东西红灯，南红北绿 0x95 /南转左红灯，北转左绿灯 0x90 /等待35秒 35 statusdis(S2) ; /S3 / 东西红灯，