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A method and system for upgrading the firmware of an embedded network device without removing the cover

A network device and firmware upgrade technology, applied in the field of communication, can solve the problems of not supporting board programmers to program FLASH, time-consuming and labor-intensive, etc., and achieve the effect of upgrading system firmware without disassembling the machine

Active Publication Date: 2022-04-08
广州鲁邦通物联网科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2. It does not support programming FLASH on the board programmer, you need to solder the FLASH, first use the offline programmer to program, and then re-mount
[0006] The above two methods of upgrading firmware are time-consuming and labor-intensive, and it is necessary to remove the case to operate

Method used

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  • A method and system for upgrading the firmware of an embedded network device without removing the cover
  • A method and system for upgrading the firmware of an embedded network device without removing the cover

Examples

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Embodiment 1

[0035] refer to figure 1 , a method for upgrading the firmware of an embedded network device without dismantling the machine cover, the embedded network device has a network card and operates a linux system, and the method comprises the following steps:

[0036] Step 1: Start the Boot loader and enter the flashing mode;

[0037] In the past 20 years, embedded systems have been using ROM (EPROM) as their storage devices. However, in recent years, Flash memory has completely replaced ROM (EPROM) in embedded systems for storing Boot loaders and operating systems. Or program code, or directly used as a hard disk.

[0038] Boot loader needs to be started before the linux system. Generally speaking, the probability of system firmware damage will be far greater than that of Boot loader, so the method of the present invention is based on the premise that Boot loader can run.

[0039] After the boot loader is started, if the user presses a certain button such as the start button for ...

Embodiment 2

[0058] refer to figure 2 , a kind of embedded network equipment does not need to disassemble machine cover firmware upgrade system, comprises first server 1, second server 2, and described first server is stored with network brush machine proxy firmware, and described second server is stored with system firmware; Embedded The standard network device 3 needs to be able to start the Boot loader, and needs a network card 4 that can access the network.

[0059] When the embedded network device needs to upgrade the firmware, based on the method described in embodiment 1, obtain the network flashing agent firmware and run the flashing script from the first server, and when running the flashing script, obtain the system firmware from the second server, and use The system firmware is upgraded, wherein the first server is a TFTP server, and the second server is an FTP server.

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Abstract

The invention belongs to the technical field of communication, and discloses a method for upgrading the firmware of an embedded network device without dismantling the machine cover. The method includes the following steps: Step 1: start the Boot loader, and enter the flashing mode; Step 2: obtain the network flashing agent through the network card Firmware, the network flashing agent firmware is pre-stored in the first server of the peripheral; Step 3: store the network flashing agent firmware in the memory and run, and obtain the network flashing agent system running in the memory; Step 4: flash the network Run the flash script on the agent system; step 5: obtain the system firmware from the second server of the peripheral through the network card; step 6: write the system firmware into the formatted flash memory, and run the system firmware in the flash memory to complete the upgrade. In this method, when the Boot loader is working normally, the firmware can be upgraded only through the network port without dismantling the case. At the same time, the invention also discloses a system for implementing the method.

Description

technical field [0001] The invention belongs to the technical field of communication, and more specifically relates to a method and system for upgrading firmware of an embedded network device without removing a machine cover. Background technique [0002] When the embedded network device needs to update the firmware, the normal operation is to upgrade the firmware through the WEB page of the device or log in through SSH and then upgrade the firmware through the command line. However, in some abnormal situations, such as WEB program abnormality, SSH failure to log in, or even firmware damage in FLASH and failure to start, the conventional upgrade method is no longer applicable. [0003] Generally speaking, the Boot loader in FLASH will not be damaged due to the write protection measures and can work normally. Some advanced systems can switch the BOOT mode of the CPU to choose to boot from other storage media (such as U disk, SD card) and then upgrade the firmware or upgrade ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L67/06G06F8/65
CPCH04L67/34H04L67/06G06F8/65
Inventor 麻长葆赵伟陈小军黄章良
Owner 广州鲁邦通物联网科技股份有限公司
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