Method for upgrading firmware of embedded device and embedded system

Abstract

The embodiment of the invention provides a firmware updating method of embedded equipment and an embedded system. The method comprises the following steps that a trigger region is divided from an electrification starting bit of an embedded chip flash memory; a bootloader is decomposed into a boot and a loader, and the boot is stored in the trigger region; a loading region and an application region in mutually independent erasing are divided from the embedded chip flash memory; the loader is stored to a loading region; application programs are stored to the application region, and in addition, a guide device is stored in the application region; when a loading instruction aiming at the application region occurs, the boot triggers the loader in the loading region for updating application firmware; when a loading instruction aiming at the loading region occurs, the boot triggers the guide device in the application region for updating loader firmware.

Description

technical field [0001] The invention relates to the technical field of embedded devices, in particular to a method for upgrading firmware of embedded devices and an embedded system. Background technique [0002] The composition of embedded devices is mainly based on embedded processing chips, together with related supporting hardware and application programs, to form a device that integrates software and hardware and can work independently. Compared with high-intelligence devices such as mobile phones or tablet computers, so-called embedded devices are often simpler small electronic devices that do not have a high-intelligence operating system, but can still achieve many practical functions through built-in applications. For example, heart rate belts / pulse monitors or similar small wearable electronics are embedded devices. [0003] To upgrade the application program in the embedded device, a bootloader in the system needs to be used to trigger the download process, so that...

AI Technical Summary

Problems solved by technology

However, the disadvantage of this solution is that the dual starters make the system too complicated, and the upgrade frequency of the starters is extremely low. Setting dual starters makes the system have unnecessary redundancy

[0006] It can be seen that the defect of the existing technology is that it is impossible to stably upgrade the starter without increasing the complexity of the system, and it is not affected by power failure

There is no embedded device system in the prior art, which can realize the upgrade of the starter simply and safely

Images