Wireless synchronization method, wireless slave, wireless host and wireless synchronization system
A wireless and mainframe technology, applied in time-division multiplexing systems, electrical components, multiplexing communications, etc., can solve problems affecting staff wiring work, unable to meet special synchronous work, and unable to perform synchronous work, etc., to achieve The effect of simple structure, reduced cost, and less synchronous equipment
Pending Publication Date: 2019-04-05
GUANGZHOU ZHIGUANG AUTOMATION
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Problems solved by technology
Among them, the synchronization technology using a common clock line has a high synchronization accuracy, but this technology requires wiring, and the working environment will affect the wiring work of the staff. When the working environment does not allow wiring work, the synchronization work cannot be performed.
In addition, the implementation methods of GPS synchronization technology and master station broadcast time synchronization technology can basically only realize the synchronization of the application layer, and the synchronization accuracy is not high enough to meet the needs of special synchronization work
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[0061] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0062] figure 1 A schematic flowchart of a wireless synchronization method according to an embodiment of the present invention is shown. This wireless synchronization method is applied to wireless slaves, such as figure 1 As shown, the method includes:
[0063] Step S110, establishing a wireless connection with the wireless host.
[0064] The wireless slave is the specific operation object for synchronous action, and the wireles...
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The invention discloses a wireless synchronization method, a wireless slave, a wireless host and a wireless synchronization system. According to the wireless synchronization method, the wireless slaveand the wireless host establishes wireless connection, and a synchronization ready state instruction sent by the wireless host is received through the wireless connection to enable external synchronization interruption of a CPU. After enabling, a synchronization start state instruction is received to generate interruption signals, external synchronization interruption of the CPU is triggered according to the interruption signals, and synchronization operation is started. Synchronization of multiple wireless slaves is realized through interruption of a hardware layer, the synchronization accuracy can be effectively improved, and time correction is not needed. In addition, a wireless connection mode is adopted, fewer synchronization devices are required, the structure is simple, estimationof wireless signal processing time is not needed, and a routing strategy and an error situation do not need to be considered. In comparison with a wired synchronization mode, the synchronization controller cost and the high precision transmission line cost can be reduced, and the method of the invention can adapt to various working environments.
Description
technical field [0001] The invention relates to the technical field of wireless synchronization, in particular to a wireless synchronization method, a wireless slave, a wireless master and a wireless synchronization system. Background technique [0002] Synchronization technology is widely used in synchronous data acquisition system, data communication, safe production, product testing and so on. The traditional synchronization technology includes the synchronization technology using the common clock line, the GPS synchronization technology and the master station broadcast time synchronization technology. Among them, the synchronization technology using a common clock line has a high synchronization accuracy, but this technology requires wiring, and the working environment will affect the wiring work of the staff. When the working environment does not allow wiring work, the synchronization work cannot be performed. In addition, the implementation methods of GPS synchronizat...
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IPC IPC(8): H04J3/06
CPCH04J3/0638H04J3/0644
Inventor 赵正军姚金玲谭伯军洪炳星肖圆梦
Owner GUANGZHOU ZHIGUANG AUTOMATION