Method and device for timing based on Linux system

A timing device and timing technology, applied in the direction of instruments, electrical digital data processing, etc., can solve the problems of timing accuracy ranging from industrial processing to achieve precise timing control and improve the competitiveness of enterprises

Inactive Publication Date: 2017-06-09
深圳市新威尔电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a powerful open source system, it means that the cost of using it to control industrial production is basically zero for enterprises; at the same time, the Linux system is also a non-real-time system, and the timing accuracy of the system itself is far from reaching The needs of industrial processing, therefore, there is no application of Linux system for industrial production detection

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  • Method and device for timing based on Linux system
  • Method and device for timing based on Linux system
  • Method and device for timing based on Linux system

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Embodiment Construction

[0028] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. The expression "and / or" used herein includes all or any elements and all combinations of one or more associated listed items.

[0030] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as ...

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Abstract

The invention discloses a method and device for timing based on a Linux system. The method comprises the steps that events and triggering time nodes of the events are set into a DMA linked list in one-to-one correspondence according to the sequence of the triggering time nodes, and the DMA linked list is sent to a system timer; the system timer triggers a corresponding DMA event when the triggering time node is reached according to the information of the DMA event and the triggering time node of the event in the DMA linked list; and after the system timer triggers a previous DMA event in the DMA linked list, the next DMA event and the triggering time node of the event in the DMA linked list are automatically sent to the system timer. The method and device disclosed by the invention have the beneficial effects that through cooperative use of the system timer, DMA linked list and a DMA controller disposed in the Linux system, requirements for industrial time counting accuracy could be reached, and accurate timing control could be achieved; and the Linux system is an open source system, so extra production cost of an enterprise will not increase, and enterprise competitiveness can be enhanced.

Description

technical field [0001] The invention relates to the field of industrial-grade timing control systems, in particular to a timing method and device based on a Linux system. Background technique [0002] Modern industrial production testing equipment needs to be applied to industrial-level systems for management and control of production testing. Different product processing and testing have different requirements for time control accuracy, but under the premise of not considering the cost, enterprises are all It is hoped that the production or testing process can be accurately and effectively controlled. [0003] For example, in the battery cell testing industry, when the battery cells leave the factory, the battery cells need to be tested. Specifically, the battery cells need to be charged and discharged according to certain rules. The size of the pulse current and the duration and interval time of the pulse current are relatively high, and the accuracy of the control time n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/28
CPCG06F13/28
Inventor 武井彦
Owner 深圳市新威尔电子有限公司
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