67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
#pragma once
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#include "../Device.h"
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#include <Tactility/TactilityCore.h>
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namespace tt::hal::sdcard {
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class SdCardDevice : public Device {
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public:
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enum class State {
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Mounted,
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Unmounted,
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Error,
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Unknown
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};
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enum class MountBehaviour {
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AtBoot, /** Only mount at boot */
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Anytime /** Mount/dismount any time */
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};
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private:
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MountBehaviour mountBehaviour;
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public:
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explicit SdCardDevice(MountBehaviour mountBehaviour) : mountBehaviour(mountBehaviour) {}
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~SdCardDevice() override = default;
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Type getType() const final { return Type::SdCard; };
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virtual bool mount(const std::string& mountPath) = 0;
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virtual bool unmount() = 0;
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virtual State getState() const = 0;
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/** Return empty string when not mounted or the mount path if mounted */
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virtual std::string getMountPath() const = 0;
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virtual Lock& getLock() const = 0;
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virtual MountBehaviour getMountBehaviour() const { return mountBehaviour; }
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bool isMounted() const { return getState() == State::Mounted; }
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};
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/** Return the SdCard device if the path is within the SdCard mounted path (path std::string::starts_with() check)*/
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std::shared_ptr<SdCardDevice> _Nullable find(const std::string& path);
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/**
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* Acquires an SD card lock if the path is an SD card path.
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* Always calls the function, but doesn't lock if the path is not an SD card path.
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*/
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template<typename ReturnType>
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inline ReturnType withSdCardLock(const std::string& path, std::function<ReturnType()> fn) {
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auto sdcard = find(path);
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if (sdcard != nullptr) {
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auto scoped_lockable = sdcard->getLock().asScopedLock();
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scoped_lockable.lock(portMAX_DELAY);
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}
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return fn();
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}
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} // namespace tt::hal
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