Real-time control software second operation--parking access control System state machine

Li June Granville U201310747

State machine Diagram:

The position status of the landing bar and the light signal as two classes of objects, the car gate sensor signal as input, write code:

1 //Qichemenjin.cpp2 //Copy right by Justin.3 4#include"stdafx.h"5#include <iostream>6 using namespacestd;7 classLiftlever8 {9  Public:Ten     BOOLLeverstate;//position of landing rod One     voidchangeleverstate () A     { -Leverstate =!leverstate; -     }; the }; -  - class Light - { +  Public: -     BOOLLightstate;//Traffic light Signal +     voidchangelightstate () A     { atLightstate =!lightstate; -     }; - }; -  - voidShowleverstate (BOOLState ) - { in     if(state==true) -cout <<"The landing bar rises"<<Endl; to     Else +cout <<"Landing lever falling down"<<Endl; - }; the  * voidShowlightstate (BOOLState ) $ {Panax Notoginseng     if(state = =true) -cout <<"green light"<<Endl; the     Else +cout <<"Red Light"<<Endl; A }; the  + liftlever Liftleverdemo; - Light Lightdemo; $  $ BOOLControlsystem (Charcar) - { -     Switch(CAR) the     { -      Case 'y':Wuyi liftleverdemo.changeleverstate (); the          Break; -      Case 'N': Wu          Break; -     }; About  $ showleverstate (liftleverdemo.leverstate); -      -     Switch(liftleverdemo.leverstate) -     { A      Case true: +Lightdemo.lightstate =true; thecout <<"green light"<<Endl; -          Break; $      Case false: theLightdemo.lightstate =false; thecout <<"Red Light"<< endl<<Endl; the          Break; the     }; -     returnlightdemo.lightstate; in }; the  the  About intMain () the { the     CharCarin; the     Charcarout; +      while(1) -     { thecout <<"is there a vehicle coming in? (y/n)"<<Endl;BayiCIN >>Carin; the         BOOLNeXTSTEP =Controlsystem (Carin); the          while(NeXTSTEP) -         { -cout <<"has the vehicle been driven out? (y/n)"<<Endl; theCIN >>carout; theNeXTSTEP =Controlsystem (carout); the         }; the     }; -     return 0; the}

Operation Result:

Real-time control software second operation--parking access control System state machine