Firmware upgrading method, upper computer and zero terminal
By using host computer software to create different types of SD cards in a zero-terminal environment, and by utilizing the sector format and boot flag of the SD card, the problem of existing firmware upgrade schemes relying on USB or GMAC interfaces is solved, thus realizing an efficient and flexible firmware upgrade process.
CN121785635APending Publication Date: 2026-04-03XIAN WANXIANG ELECTRONICS TECH CO LTD
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Patent Information
- Application Number
- CN202511690977.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-18
- Publication Date
- 2026-04-03
AI Technical Summary
Technical Problem
Most existing zero-terminal firmware upgrade solutions rely on USB or GMAC interfaces, which are prone to upgrade failure due to peripheral occupation. Improvements are needed to increase upgrade efficiency.
Method used
Different types of SD cards can be created using host computer software, including regular SD cards, SD boot cards, SD repair cards, and SD upgrade cards. Firmware loading and booting can be achieved by utilizing the sector format and boot flag of the SD card, avoiding dependence on USB or GMAC interfaces.
Benefits of technology
It enables efficient firmware upgrades without occupying USB or GMAC interfaces, simplifying user operations and improving the success rate and flexibility of firmware upgrades.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides a firmware upgrading method, an upper computer and a zero terminal. The method comprises the following steps: acquiring the capacity of the SD card; selecting the type of the SD card needing to be manufactured; wherein the type of the SD card comprises a conventional SD card, an SD starting card, an SD repairing card and an SD upgrading card; selecting firmware compiled in the compiling environment in advance; wherein the firmware is composed of a plurality of files; according to the capacity of the SD card and the type of the SD card needing to be manufactured, corresponding content and a starting mark are written into a preset sector format. According to the firmware upgrading method, different types of SD cards can be manufactured through upper computer software, and a USB interface or a GMAC interface used in a conventional upgrading scheme is omitted.
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