Storage APIs

File system APIs

• Dir: Manage and navigate directories.
• FATFileSystem: Normally used for application working on boards with an SD card.
• File: Access the underlying storage of a file system in a generic manner.
• FileSystem: A common interface for implementing a file system on a block-based storage device.
• KVStore: A common get/set API implemented by several classes. It allows flexibility in when configuring a storage solution.
• kvstore_global_api (Static Global API): Access the instances of KVStore components that the selected configuration allocates.
• LittleFileSystem: A fail-safe file system designed for embedded systems, specifically for microcontrollers that use external flash storage.

BlockDevice (block-based storage) APIs

• BlockDevice: An interface for access to block-based storage such as SD cards, spinning disks and heap backed storage.
• BufferedBlockDevice: A block device adpator that reduces the read and program sizes of the underlying block device to 1.
• ChainingBlockDevice: Chain together multiple block devices and interact with the chained block devices as if they were a single block device of size equal to the sum of each substorage unit.
• DataFlashBlockDevice: A driver for serial flash devices that supports the Atmel DataFlash protocol, such as the Adesto AT45DB series of devices.
• FlashIAPBlockDevice: A block device driver built on top of the FlashIAP API for use where the FlashIAP implementation uses external flash or in conjunction with a file system with wear leveling, that can operate on a page size granularity.
• FlashSimBlockDevice: A block device adapator that simulates the behavior of a flash component if the underlying block device doesn't support such a behavior.
• HeapBlockDevice: Simulate block devices for software development or testing.
• MBRBlockDevice: Manage a Master Boot Record (MBR) on a storage device, which allows you to partition the device.
• ProfilingBlockDevice: A decorator for an existing block device object to log reads, writes and erases.
• QSPIFBlockDevice: A block device driver for NOR-based QSPI Flash devices that support the SFDP standard.
• SDBlockDevice: Read and write data to flash storage cards using the standard POSIX File API programming interface.
• SlicingBlockDevice: Break up a block device into subunits without the need to manually track offsets. The SlicingBlockDevice acts as an opposite of the ChainingBlockDevice class.
• SPI Flash block device: A block device for NOR-based SPI flash devices that support SFDP.

PSA compliant

• PSA internal storage: Save and retrieve data from a Platform Security Architecture (PSA) internal flash.
• PSA protected storage: Save and retrieve data from a Platform Security Architecture (PSA) protected storage.