实时控制软件第二周作业 停车场门禁控制系统的状态机设计

信号：

灯的信号（红绿）；

起落杆的信号；

传感器的信号（外部输入）；

状态机信号：

车辆进入

车辆出去

#include <iostream>
using namespace std;

enum State { in,out };
enum Lever{ lever_up, lever_down };
enum Light { red, green };

struct signal
{
    bool car_in, car_out; 
    Lever lever;
    Light light;
}signal_in, signal_out;

struct carstate
{ 
    State state; 
}state;

void light_change()
{
    if (signal_in.lever == lever_down)
    {
        signal_out.light = red;
    }
    else if (signal_in.lever == lever_up)
    {
        signal_out.light = green;
    }
}

void lever_change()
{
    if (signal_in.car_in == true)
    {
        signal_out.lever = lever_up;
        state.state = in;
    }
    else if (signal_in.car_in == false)
    {
        signal_out.lever = lever_down;
    }
    if (signal_out.car_out == true)
    {
        signal_out.lever = lever_down;
        state.state = out;
    }
    else if (signal_out.car_out == false)
    {
    }
}

int main()
{
    while (1)
    {
        lever_change();
        light_change();
    }

}