Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Abnormal recovery method and device for application program in embedded system

An embedded system and application technology, which is applied in the direction of response error generation, redundant data error detection in calculation, etc., can solve the problems of poor reliability of application programs, and achieve the effect of avoiding separate installation

Active Publication Date: 2018-06-05
STATE GRID CORP OF CHINA +3
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an abnormal recovery method and device for embedded system applications, in order to solve the problem of poor reliability of applications

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Abnormal recovery method and device for application program in embedded system
  • Abnormal recovery method and device for application program in embedded system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 2 Be the concrete flowchart of embodiment 1, method of the present invention comprises the steps:

[0027] Step 1: After the kernel is started, the embedded system checks whether the application upgrade program exists. If the application upgrade program exists, replace the backup program 2 with the backup program 1, then delete the backup program 1, and replace the current application program with the application upgrade program. Then delete the application upgrade program, and then execute the application program and monitoring program; if the application upgrade program does not exist, directly execute the application program and monitoring program;

[0028] Step 2: After the application program is started, the application program performs initialization and self-test. If the self-test judgment of the application program is abnormal, the application program enters the process of waiting for the program to resume, and the process communication port with...

Embodiment 2

[0041] Embodiment 2 is actually a simplification of Embodiment 1: without upgrading, that is, when the application upgrade program is not involved, after the embedded system kernel starts, if the application program data in the non-volatile memory is damaged, the application The program will fail to run, or run self-test failure, or process communication interaction failure. After the monitoring program finds the failure, the application program can be restored from the backup program 1 or backup program 2, and the system can be resumed after the system is reset. When restoring the application program from backup program 1 or backup program 2, the corresponding backup program will be deleted to avoid damage to the backup program and repeated restore operations, resulting in repeated restarts and failure of the non-volatile memory.

[0042] Backup program 1 is automatically copied by the currently running application program if the backup program 1 does not exist after the monit...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an abnormal recovery method and device for an application program in an embedded system, comprising: 1) after the embedded system kernel is started, the application program and the monitoring program are executed; Program restores the application program; when restoring the application program from the first backup program, delete the first backup program; the first backup program is when the monitoring program judges that the current application program can run normally, if the first backup program does not exist, the current correct operation generated by application replication. When the embedded system kernel is started, if the application program data in the non-volatile memory is damaged, the application program will fail to run, or run self-test failure, or process communication interaction failure. After the monitoring program finds the failure, it can start from The application program can be restored in the backup program, and the operation can be resumed after the system is reset.

Description

technical field [0001] The invention relates to an abnormal recovery method and device for application program backup in an embedded system. Background technique [0002] Embedded systems are widely used in various personal consumer products, home display terminals, and industrial control terminals because of their platform-based architecture, rich development resources, and easy debugging. In actual use, the application functions of embedded systems often need to be upgraded and improved according to customer needs, or the application programs need to be modified in various debugging, testing, and maintenance. The Chinese invention patent "A Method for Safe Remote Upgrade of Embedded Linux System Software" (application number: 201110209990.6) introduces a method for safe upgrade of embedded system application software. This method controls the upgrade process by setting the upgrade flag, and can restore the system when an upgrade error is found. The specific process is as ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14
Inventor 庞浩杨帆熊章学张涛张锦春马清忠王盈盈林向阳冯海舟徐景涛
Owner STATE GRID CORP OF CHINA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com