backend.h File Reference

Detailed Description

The interface a storage backend implements.

This is the platform half of the filesystem subsystem. Sketch authors want fl/fs/fs.h; this header is for whoever is teaching FastLED to read from a new medium.

Splitting it out is the point: previously FsImpl shared a header with FileSystem, so the two audiences – people opening files and people implementing storage – read the same file for unrelated reasons (FastLED #4003, #4008).

To add a backend: subclass FsImpl, expose a free factory naming the medium rather than the driver (getSdFs, getEmbeddedFs – never getLittleFs, see #4007), and hand it to FileSystem::begin().

Definition in file backend.h.

#include "fl/fs/file_handle.h"
#include "fl/stl/noexcept.h"
#include "fl/stl/shared_ptr.h"

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Classes
class	fl::FsImpl
	A mounted storage medium. More...
struct	fl::FsImpl::Visitor

Namespaces
namespace	fl
	Base definition for an LED controller.

Functions
	fl::FASTLED_SHARED_PTR (FsImpl)