Description: Through hardware description language VHDL programming, traffic lights functional requirements are as follows:
① vehicle sensors (C), detection of vehicle traffic situation, the priority control for the main road
② trunk road junctions equipped with staff through a request button (PQ), if there is a request message, the controller should be released, otherwise handled by default
③ Online control signal issued by the traffic control center, (Online = 1) if it is valid, trunk release, cross the intersection Controller "failure", Online = 0 crossroad controller resumes control over
④ When the secondary trunk road no car, and always maintain secondary roads road red light, green light main road
⑤ When the secondary trunk road with the car, while the trunk opening time has exceeded its minimum opening time, prohibited roads impassable, so that secondary roads roads impassable. Trunk shortest time for the opening 25s
⑥ When the sub-trunk roads and main roads have vehicle, accordin
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TrafficLight最终版\.recordref
..................\123.bin
..................\123.lt2
..................\123.ltv
..................\123.nam
..................\123.slg
..................\123.trf
..................\123.wav
..................\123.wdl
..................\123.wet
..................\123._WV
..................\automake.log
..................\ce.rsp
..................\DAOJISHI.bin
..................\daojishi.edn
..................\daojishi.jhd
..................\daojishi.log
..................\DAOJISHI.lt2
..................\daojishi.ltv
..................\daojishi.naf
..................\DAOJISHI.nam
..................\daojishi.slg
..................\daojishi.srm
..................\daojishi.srs
..................\daojishi.tlg
..................\daojishi.trf
..................\daojishi.vhd
..................\daojishi.vhm
..................\daojishi.vm
..................\DAOJISHI.wav
..................\daojishi.wdl
..................\daojishi.wet
..................\daojishi.xrf
..................\edif2lsf.log
..................\FENPIN.bin
..................\fenpin.edn
..................\fenpin.jhd
..................\fenpin.log
..................\FENPIN.lt2
..................\fenpin.ltv
..................\fenpin.naf
..................\FENPIN.nam
..................\fenpin.slg
..................\fenpin.srm
..................\fenpin.srs
..................\fenpin.tlg
..................\fenpin.trf
..................\fenpin.vhd
..................\fenpin.vhm
..................\fenpin.vm
..................\FENPIN.wav
..................\fenpin.wdl
..................\fenpin.wet
..................\fenpin.xrf
..................\ispdspg.cmd
..................\ispxpert.par
..................\KONGZHI.bin
..................\kongzhi.edn
..................\kongzhi.jhd
..................\kongzhi.log
..................\KONGZHI.lt2
..................\kongzhi.ltv
..................\kongzhi.naf
..................\KONGZHI.nam
..................\kongzhi.slg
..................\kongzhi.srm
..................\kongzhi.srs
..................\kongzhi.tlg
..................\kongzhi.trf
..................\kongzhi.vhd
..................\kongzhi.vhm
..................\kongzhi.vm
..................\KONGZHI.wav
..................\kongzhi.wdl
..................\kongzhi.wet
..................\kongzhi.xrf
..................\LCIEdit.dum
..................\lciedit.log
..................\ltsim.log
..................\simcp._sp
..................\state_h.state.txt
..................\stdout.log
..................\syndos.env
..................\...tmp\daojishi.msg
..................\......\daojishi.plg
..................\......\fenpin.msg
..................\......\fenpin.plg
..................\......\kongzhi.msg
..................\......\kongzhi.plg
..................\......\traffic.msg
..................\......\traffic.plg
..................\......\xuanze.msg
..................\......\xuanze.plg
..................\traffic.ary
..................\TRAFFIC.bin
..................\traffic.edn
..................\traffic.jhd
..................\traffic.log
..................\TRAFFIC.lt2
..................\traffic.ltv
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