65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#include <tinyfsm.hpp>
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#include <iostream>
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// ----------------------------------------------------------------------------
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// 1. Event Declarations
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//
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struct Toggle : tinyfsm::Event { };
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// ----------------------------------------------------------------------------
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// 2. State Machine Base Class Declaration
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//
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struct Switch : tinyfsm::MooreMachine<Switch>
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{
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/* pure virtual reaction (override required in all states) */
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virtual void react(Toggle const &) = 0;
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};
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// ----------------------------------------------------------------------------
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// 3. State Declarations
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//
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struct Off; // forward declaration
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struct On : Switch
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{
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void entry() override { std::cout << "* Closing ciruit (light goes ON)" << std::endl; };
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void react(Toggle const &) override { transit<Off>(); };
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};
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struct Off : Switch
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{
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void entry() override { std::cout << "* Opening ciruit (light goes OFF)" << std::endl; };
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void react(Toggle const &) override { transit<On>(); };
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};
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FSM_INITIAL_STATE(Switch, Off)
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// ----------------------------------------------------------------------------
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// Main
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//
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int main()
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{
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Switch::start();
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std::cout << "> You are facing a light switch..." << std::endl;
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while(1)
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{
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char c;
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std::cout << std::endl << "t=Toggle, q=Quit ? ";
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std::cin >> c;
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switch(c) {
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case 't':
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std::cout << "> Toggling switch..." << std::endl;
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Switch::dispatch(Toggle());
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break;
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case 'q':
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return 0;
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default:
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std::cout << "> Invalid input" << std::endl;
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};
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}
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}
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