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Real-time operating system timer implementation method

A technology of real-time operating system and implementation method, applied in the field of operating system, can solve the problems of low operating efficiency of timers, and achieve the effect of simple method and strong applicability

Pending Publication Date: 2021-12-24
WILLFAR INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For the deficiencies in the prior art, the purpose of the present invention is to provide a real-time operating system timer implementation method to solve the problem of low operating efficiency of the timer in the prior art

Method used

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  • Real-time operating system timer implementation method

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Embodiment Construction

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention; the terms used in the specification herein are only for the purpose of describing specific embodiments, and are not intended to To limit the invention, for example, the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top ", "bottom", "inner", "outer" and other indicated orientations or positions are based on the orientations or positions shown in the drawings, which are only for convenience of description and cannot be understood as limitations on the technical solution.

[0030] The terms "include" and "have" in the specification and claims of the present invention and the description of the above drawings, as well as any variations thereof, are intended to cover a non-exclusive inclusion; The terms "first", "second", etc. are used t...

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PUM

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Abstract

The invention is applicable to the technical field of operating systems, and relates to a real-time operating system timer implementation method, which comprises the following steps: S10, performing timed interrupt management on an operating system clock rhythm sysick by a hardware timer, and adding 1 to the sysick every time the interrupt clock rhythm sys_tick is generated; S20, forming a timer kernel object by the timer control block through a structural body struct sys_timer, and linking the timer kernel object to a kernel object container for management; S30, inserting a timer which is newly created and activated by the system into a timer chain table sys_timer_list according to a timeout time sorting mode; and S40, increasing the speed of searching the timers in the timer chain table sys_timer_list by using a method of increasing indexes. The timer module of the operating system can be quickly and efficiently realized, and the method is simple, high in applicability, stable and reliable.

Description

technical field [0001] The invention belongs to the technical field of operating systems, and in particular relates to a real-time operating system timer implementation method. Background technique [0002] Currently in the information age of rapid development of 5G, artificial intelligence, edge computing, Internet of Things, and big data, the state clearly stated that it will "strengthen the construction of new infrastructure", and the state requires all industries to move towards safer operation, leaner management, and more investment. Accurate, better service and other directions to open up new roads, while giving full play to the unique advantages of various industries to open up the digital economy market. [0003] The development of a unified operating system platform can meet system security and provide better general functional components and system services. Equipment manufacturers can focus more on product business research and development, shorten product develop...

Claims

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Application Information

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IPC IPC(8): G06F9/48G06F16/901G06F16/903
CPCG06F9/4825G06F16/9024G06F16/903
Inventor 陈超鑫肖林松范律
Owner WILLFAR INFORMATION TECH CO LTD