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90 lines
2.2 KiB
90 lines
2.2 KiB
#pragma once
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#include <memory>
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#include "battery.hpp"
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#include "dac.hpp"
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#include "database.hpp"
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#include "display.hpp"
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#include "gpio_expander.hpp"
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#include "samd.hpp"
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#include "storage.hpp"
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#include "tinyfsm.hpp"
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#include "touchwheel.hpp"
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#include "system_events.hpp"
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namespace system_fsm {
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/*
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* State machine for the overall system state. Responsible for managing
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* peripherals, and bringing the rest of the system up and down.
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*/
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class SystemState : public tinyfsm::Fsm<SystemState> {
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public:
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virtual ~SystemState() {}
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virtual void entry() {}
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virtual void exit() {}
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/* Fallback event handler. Does nothing. */
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void react(const tinyfsm::Event& ev) {}
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void react(const FatalError&);
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virtual void react(const DisplayReady&) {}
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virtual void react(const BootComplete&) {}
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virtual void react(const StorageUnmountRequested&) {}
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virtual void react(const internal::ReadyToUnmount&) {}
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virtual void react(const StorageMounted&) {}
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protected:
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static std::shared_ptr<drivers::GpioExpander> sGpioExpander;
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static std::shared_ptr<drivers::Samd> sSamd;
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static std::shared_ptr<drivers::TouchWheel> sTouch;
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static std::shared_ptr<drivers::Battery> sBattery;
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static std::shared_ptr<drivers::SdStorage> sStorage;
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static std::shared_ptr<drivers::Display> sDisplay;
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static std::shared_ptr<drivers::AudioDac> sDac;
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static std::shared_ptr<database::Database> sDatabase;
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};
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namespace states {
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/*
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* Initial state. Initialises peripherals, starts up lvgl, checks everything
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* looks good.
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*/
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class Booting : public SystemState {
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public:
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void entry() override;
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void react(const BootComplete&) override;
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using SystemState::react;
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};
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/*
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* Most common state. Everything is going full bore!
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*/
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class Running : public SystemState {
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public:
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void entry() override;
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void exit() override;
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void react(const StorageUnmountRequested&) override;
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void react(const internal::ReadyToUnmount&) override;
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using SystemState::react;
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};
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class Unmounted : public SystemState {};
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/*
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* Something unrecoverably bad went wrong. Shows an error (if possible), awaits
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* reboot.
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*/
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class Error : public SystemState {};
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} // namespace states
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} // namespace system_fsm
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