Power supply control device, power supply control method and system

Abstract

The invention provides a power supply control device, a power supply control method and a power supply control system. The power supply control device comprises a protocol conversion module, an event reporting module, a target event detection module and a power supply control module; the target event detection module is in communication connection with the event reporting module and the power supply control module, and the protocol conversion module is in communication connection with the event reporting module; the target event detection module is used for sending a target event signal to the event reporting module and the power supply control module; the protocol conversion module is used for analyzing a communication frame protocol of the operating system and the power supply control device; the event reporting module is used for notifying an operation system of the executed event of the target event through the protocol conversion module, so that the operation system performs safe shutdown operation and sends a power supply control signal; and the power supply control module is used for powering off a mainboard power supply. According to the invention, when the mainboard power supply is powered off, data loss and system damage can be prevented.

Description

technical field [0001] The present invention relates to the technical field of digital integrated circuits, in particular to a power control device, a power control method and a system. Background technique [0002] In the process of using CPLD (Complex Programming logic device, complex programmable logic device) to control the shutdown of electronic equipment in existing electronic equipment, usually when the CPLD detects a shutdown trigger signal, the CPLD directly controls the mainboard power supply through the power control module. power off. Wherein, the shutdown trigger signal includes: a signal generated by pressing a power key of the electronic device, and a signal capable of triggering the shutdown of the electronic device generated by closing the cover of the electronic device. [0003] However, the power control part of the existing CPLD is only designed with a key detection module and a power control module, and there is no information feedback channel from the ...

AI Technical Summary

Problems solved by technology

[0003] However, the power control part in the existing CPLD is only designed with a key detection module and a power control module, and there is no information feedback channel from the CPLD to the CPU

[0004] This will make electronic equipment, especially computers based on certain CPU platforms, such as Feiteng platform, XX platform, etc., in the state of being turned on, the CPLD therein detects that by pressing the power button of the computer based on certain CPU platforms For the generated signal, computers based on certain CPU platforms generally have two processing methods for pressing the power button.

The second is that the CPLD will directly control the mainboard power outage through the power control module. At this time, the operating system of the computer based on some CPU platforms does not know that the mainboard will be powered off. This will make most computers, especially based on some CPUs. The computer on the platform will not perform operations such as closing programs and saving data before shutting down, so there is a risk of data loss and system damage

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