Embedded system firmware on-line upgrading system
An embedded system and embedded technology, which is applied in the direction of program loading/starting, program control devices, etc., can solve problems such as insufficient disclosure, ability and inability, and unexpected upgrade files and system files, etc., so as to reduce the difficulty of writing , Reliable upgrades, and the effect of shortening the development cycle
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0062] Taking the software upgrade of the ARM9 development board as an example, the present invention will be further described in conjunction with the accompanying drawings.
[0063] Such as figure 1 As shown, the partition diagram of Flash: The software system of the development board is stored on the nor flash chip. According to the different storage contents, the flash space is divided into two partitions. Partition A 11 is a read-only partition and stores programs that do not need to be updated. Including bootloader and tiny_os, the code of this partition adopts binary file format and is accessed by address. Partition B 12 stores simplified system software, including embedded operating system, root file system, and application programs. The upgrade scripts and corresponding download command programs required to upgrade the program under tiny_os are all in the root file system. This partition uses The jffs2 file format supported by linux and widely used on nor flash.
[0064]...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap