8.10 SD Card Management
(1) SD card file system format: Only FAT32 is supported. For cards
larger than 32GB, use the Rufus tool to format the SD card to FAT32.
Download the tool from https://rufus.ie/en/.
Tip: When replacing with a higher-capacity card, please be mindful of
the memory card's maximum read/write cycles and lifespan.
(2) Real-time status display and hot-swap support: The system
monitors the SD card's status in real-time and allows for its insertion or
removal without restarting the device.
(3) SD card information display: The interface shows detailed SD card
information, including storage capacity and read/write frequency.
(4) Multi-level directory management: The system adopts a multi-level
directory structure for easy file categorization and management by users.
(5) Sensor data storage: Data collected by sensors is saved in .csv
format in the root directory of the SD card, facilitating direct access and
analysis of data.
(6) Log file management: The system generates new log files daily,
saved in .txt format. All log files are automatically categorized and stored
in respective folders by month, facilitating retrieval and management of
historical data.
(7) File filtering mechanism: The system automatically filters out
non-gateway-generated files, ensuring storage space is allocated for
important data and avoiding unnecessary data redundancy.
(8) File operations support: Users can download and delete individual
files, providing flexible file management capabilities.
(9) Customizable save intervals: The system allows users to adjust save
intervals for data and log files according to specific recording needs.
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