a7a3b17ff6
- Implement SD card locking logic and helper functions - Fix issue with running ELF apps from SD card: this would crash when launched from the AppList - Reduce Boot app wait time to 1 second - Speed up boot by about 0.1 second by moving app&service registration to the Boot app - Files app now uses proper SD card mount point name (and multiple SD cards) - Removed `TT_SCREENSHOT_MODE`
68 lines
1.8 KiB
C++
68 lines
1.8 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 {
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class SdCard : 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 SdCard(MountBehaviour mountBehaviour) : mountBehaviour(mountBehaviour) {}
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virtual ~SdCard() 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 std::shared_ptr<Lockable> getLockable() 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<SdCard> _Nullable findSdCard(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 = hal::findSdCard(path);
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std::unique_ptr<ScopedLockableUsage> scoped_lockable;
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if (sdcard != nullptr) {
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scoped_lockable = sdcard->getLockable()->scoped();
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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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