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A Lightweight and Configurable Flash Filesystem for Low-Power Devices

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Publicado en:Journal of Low Power Electronics and Applications vol. 15, no. 2 (2025), p. 22-39
Autor principal: Kachman Ondrej
Otros Autores: Malík, Peter, Baláž Marcel, Majer Libor, Gyepes Gábor
Publicado:
MDPI AG
Materias:
Operating systems
Software
Metadata
Flash memory (computers)
System reliability
Diaries
Electronic devices
Sensors
Firmware
Power management
Design
Industrial applications
Embedded systems
Sanitation services
Algorithms
Libraries
Utilization
Energy consumption
Acceso en línea:Citation/Abstract
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Resumen:Low-power embedded devices are widely used in sensor networks, monitoring systems, and industrial applications. These devices typically rely on internal flash memory, where storage is constrained by bootloaders, communication stacks, and other software. Adding external memory increases cost and energy consumption, making efficient memory utilization essential. This article presents key design concepts for developing an efficient, lightweight, and reliable embedded filesystem. It introduces an improved version of the configurable flash filesystem (CFFS), designed to maximize memory utilization, minimize flash wear, and support portability across hardware platforms and operating systems. Reliability mechanisms integrated into CFFS are also discussed. We compare CFFS with widely used low-power embedded filesystems—LittleFS, SPIFFS, and FDS—highlighting its advantages in memory efficiency and reduced flash memory wear. Experimental results demonstrate that CFFS achieves up to 99% memory utilization while significantly reducing erase operations.
ISSN:2079-9268
DOI:10.3390/jlpea15020022
Fuente:Advanced Technologies & Aerospace Database