Data conversion device based on high-speed serial port-network communication

A technology of network communication and high-speed serial port, which is applied in the field of high-speed serial port-network communication data conversion device, which can solve the problems of easily lost data and achieve the effects of strong integration, improved system stability and high replaceability

Inactive Publication Date: 2019-06-11
北京理工导航控制科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the communication baud rate is increased, data is easily lost

Method used

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  • Data conversion device based on high-speed serial port-network communication
  • Data conversion device based on high-speed serial port-network communication
  • Data conversion device based on high-speed serial port-network communication

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Embodiment 1

[0025] see Figure 1-4, the present invention provides the following technical solutions: a high-speed serial port-network communication data conversion device, including a serial communication unit, a logic control unit and a network communication unit, the serial communication unit and the logic control unit are connected through an FPGA, and the FPGA Responsible for data collection and parallel processing. ARM is mainly responsible for the overall control of the device. The high-performance ARM with a high-speed clock of 180MHz can handle the management of a large amount of data. In theory, it is much higher than the calculated clock frequency requirement. FPGA includes a serial port protocol module, a clock module, and an instruction interaction module. , a communication protocol control module, a storage management module, the serial communication unit includes a level conversion chip and a serial port protocol module in the FPGA, the model of the level conversion chip is...

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Abstract

The invention belongs to the technical field of network communication. The invention relates to a data conversion device, in particular to a high-speed serial port-network communication-based data conversion device. The invention discloses a data conversion device based on high-speed serial port-network communication. INCLUDING SERIAL COMMUNICATION UNIT, a logic control unit and a network communication unit, The serial communication unit is connected with the logic control unit through an FPGA. The FPGA comprises a serial port protocol module, Clock module, Instruction interaction module, Communication protocol control module, Storage management module, According to the invention, the transmission problem under big data is solved; the maximum transmission rate is greatly improved; meanwhile, the reliability of data transmission is greatly improved; and in the design of the device, an ARM + FPGA double-CPU mode is adopted, data and instruction exchange is carried out between the ARM + FPGA double-CPU mode and the FPGA double-CPU mode through parallel communication, and a structure mode that control and execution are separated is adopted, so that the processing efficiency is improved, and a foundation is provided for simultaneously measuring sixteen or thirty-two optical fiber gyroscopes at most.

Description

technical field [0001] The invention belongs to the technical field of network communication, and in particular relates to a high-speed serial port-network communication data conversion device. Background technique [0002] Serial communication is a single-wire or two-wire-based communication method, including RS-232, RS-422, RS-485 and other transmission formats. It only needs a few lines to exchange information between systems, has the characteristics of low cost, and is suitable for medium and long-distance transmission. However, serial communication has strict timing requirements, and data bits need to be transmitted sequentially, so the transmission rate is not high. [0003] Fiber optic gyroscope is a high-precision sensitive sensor that can accurately measure the angular rate of motion of moving objects in inertial space. It is an inertial navigation instrument that is widely used in various fields. As a high-precision sensitive sensor, it has a large amount of data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/42H04L29/06
Inventor 蒋志强沈军何雪生杨雪王健伟
Owner 北京理工导航控制科技股份有限公司
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