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Synchronization method and device

A technology of synchronous processing and terminal equipment, applied in the direction of instrument, electrical digital data processing, input/output process of data processing, etc., can solve the problems of system redundancy, high cost, load impact, etc., to reduce system redundancy, improve Efficiency, cost reduction effect

Active Publication Date: 2019-03-15
北京米文动力科技有限公司
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Problems solved by technology

The problem with this synchronization method is that the real-time performance of the real-time linux system is not high, and it will be affected by the CPU (Central Processing Unit, central processing unit) load of the linux system
[0009] In the above process, the method used in the current solution is limited by the communication bandwidth and the synchronization accuracy of the CPU load sensor can no longer keep up with the development level of the existing technology. At the same time, the synchronization method of the existing technology will bring system redundancy and cost Higher questions

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Embodiment Construction

[0040] As mentioned in the background art, the prior art utilizes external devices or chips on the basis of traditional chip (Chip) / system-on-chip (SOC) in the sensor synchronization solution to achieve a high-precision synchronization function. However, due to the limitation of communication bandwidth and the accuracy of CPU load sensor synchronization, it can no longer keep up with the development level of existing technology. At the same time, the synchronization method of the existing technology will bring problems such as system redundancy and high cost.

[0041] In view of the above problems, an embodiment of the present invention provides a synchronization method, which is applied to an SOC including a multi-core CPU. The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention.

[0042] In the embodiment of the present invention, a multi-core CPU, that is, a multi-...

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Abstract

The invention discloses a synchronization method and a device. The method and the device send the real-time system time of the operating system and the value of the clock register to the real-time operating system. At the same time, the correspondence between the value of clock register and the system time is established in the real-time operating system. Then, according to the preset synchronization strategy, the data received by the operating system is synchronized by the real-time operating system. By applying the technical proposal of the present application, more accurate sensor synchronization can be realized while reducing system redundancy and cost, and the efficiency, accuracy and practicability of the sensor synchronization are greatly improved.

Description

technical field [0001] The invention relates to the field of sensor synchronization, in particular to a synchronization method. The invention also relates to a synchronization device. Background technique [0002] A sensor is a detection device that can sense the measured information and convert the sensed information into electrical signals or other required forms of information output according to certain rules to meet the requirements of information transmission, processing, storage, and display. , recording and control requirements. [0003] The characteristics of sensors include: miniaturization, digitization, intelligence, multi-function, systemization, and networking. It is the first link to realize automatic detection and automatic control. The existence and development of sensors allow objects to have senses such as touch, taste, and smell, and make objects come alive slowly. Usually according to its basic perception function, it can be divided into ten categori...

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Application Information

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IPC IPC(8): G06F3/05
CPCG06F3/05
Inventor 苏俊
Owner 北京米文动力科技有限公司
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