资源描述：
《智能交通灯控制系统源程序(0918修改版).doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、智能交通灯控制系统源程序清单;------------------------------符号定义------------------------------DISPLAYNUMEQU51HCOUNTEREQU52HNSNORMEQU53H;南北正常EWNORMEQU54H;东西正常NSPEAKEQU55H;南北高峰EWPEAKEQU56H;东西高峰NSPUTEQU57HEWPUTEQU58HDIRECTIONEQU00H;方向标志位,为1南北通行,0东西通行DISPLAYYELLOWEQU01H;显示黄灯标志位,1显示,0不显示ONE
2、SECONDEQU02H;1秒?SETNEWEQU03HLOADNEWFLAGEQU04HNREQUP0.2;南北方向红灯接P0.0???NYEQUP0.1NGEQUP0.0;南北方向绿灯接P0.2???EREQUP0.5EYEQUP0.4EGEQUP0.3SOUNDEQUP0.6;蜂鸣器BREAKRULEEQUP2.1;拨码开关PEAKorNORMEQUP2.2ALLSTOPEQUP2.3ALLGOEQUP2.4NSTHROUGHEQUP2.5EWTHROUGHEQUP2.6SELECTDIREQUP2.7;-------------
3、------------------主程序--------------------------------ORG0000HLJMPMAINORG0003H;INT0(P3.2)中断入口地址LJMPRESETORG000BH;T0(P3.4)中断入口地址LJMPTIMEORG001BH;T1(P3.5)中断入口地址LJMPDOGORG0100HMAIN:MOVNSNORM,#28HMOVEWNORM,#14HMOVNSPEAK,#1EHMOVEWPEAK,#0AHREMAIN:MOVCOUNTER,#14H;?12M晶振应为14HSETB
4、DIRECTION;初始化,南北通行CLRDISPLAYYELLOW;初始化,不显示黄灯CLRONESECONDCLRSETNEWCLRSOUNDJNBPEAKorNORM,PEAKINPUTMOVNSPUT,NSNORMMOVEWPUT,EWNORMSJMPDISPLAYNUMPUTPEAKINPUT:MOVNSPUT,NSPEAKMOVEWPUT,EWPEAKDISPLAYNUMPUT:MOVDISPLAYNUM,NSPUT;显示数DISPLAYNUM中放的;是南北方向值MOVSP,#5FHMOVTMOD,#11H;定时器0和1均作
5、为定时器,工作在方式1LCALLFEEDDOGMOVTL0,#0B0H;定时器0赋初值(50ms)MOVTH0,#3CHSTART:SETBEX0;INT0开中断SETBIT0;INT0中断触发方式为下降沿触发SETBTR0;启动定时器0SETBET0;定时器0(T0)开中断SETBET1;定时器1(T1)开中断SETBPX0;INT0为高优先级中断CLRPT0;定时器0为低优先级中断SETBPT1;定时器1为高优先级中断SETBEA;开总中断LCALLLIGHT;调交通灯显示子程序LCALLDISPLAYLED;调LED显示子程序(倒
6、计时);------------------------------重定时检测----------------------------------------LOOP:LCALLFEEDDOGJBSETNEW,REMAIN;------------------------------计时到1秒检测-------------------------------------JNBONESECOND,ALLREDCLRONESECONDDECDISPLAYNUMMOVA,DISPLAYNUMCJNEA,#02H,EQ0SETBDISPLAYY
7、ELLOWLCALLLIGHTLJMPNUMDECLINEEQ0:CJNEA,#00H,NUMDECLINECLRDISPLAYYELLOWCPLDIRECTIONLCALLLIGHTLCALLRELOADNUMDECLINE:LCALLDISPLAYLED;------------------------------全部禁行------------------------------------------ALLRED:JBALLSTOP,NSCLEARCLRTR0SETBNRCLRNYCLRNGSETBERCLREYCLREGALL
8、REDWAIT:LCALLFEEDDOGJBALLSTOP,ALLREDBACKSJMPALLREDWAITALLREDBACK:SETBTR0LCALLLIGHT;--------------------
