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A remote experimental system and design method based on fpga and arm

A remote experiment and experiment technology, applied in the field of FPGA experiment system, can solve the problems of lack of effective interaction and user's inability to control experimental equipment.

Active Publication Date: 2019-09-10
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, their biggest defect is the lack of effective interaction, that is, the user cannot specifically control the experimental equipment at the remote end

Method used

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  • A remote experimental system and design method based on fpga and arm
  • A remote experimental system and design method based on fpga and arm
  • A remote experimental system and design method based on fpga and arm

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Experimental program
Comparison scheme
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specific Embodiment approach

[0034] 1. The architecture of the remote experiment system based on FPGA and ARM, such as figure 1 shown. The system is based on the Internet network and C / S architecture, and consists of a server, multiple PC clients and multiple ARM clients. The connected network topology is a star connection, using a custom application layer protocol based on the TCP / IP protocol.

[0035] The frame structure of the self-defined application layer protocol is shown in Table 1.

[0036] Table 1 Custom protocol field format table

[0037]

[0038] 1) Number: the local counting field during transmission, counting the sent frames;

[0039] 2) Type code: Indicates the data type of the transmission data segment, 0x01 represents the operation command (the specific operation command is specified by the operation code), 0x02 represents the experimental data, 0x04 represents the transmission file, and 0x08 represents the response data.

[0040] 3) Operation code: 0x00 means invalid, 0x01-0x0C mea...

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Abstract

The invention discloses a FPGA and ARM-based remote experiment system and a design method. The system is composed of a server, a plurality of PC clients and a plurality of ARM clients; a hardware basis of the ARM clients is a FPGA remote experiment board card, the FPGA remote experiment board card is composed of an ARM circuit module, a FPGA and an experiment peripheral thereof, a passive configuration interface of the FPGA is connected with an ARM, a part of IO pins of the FPGA is connected with an experiment peripheral entity, the other part of the IO pins of the FPGA is connected to the ARM and defined as a simulated peripheral; the ARM clients specifically implement remote configuration and experiment interaction of the FPGA; and a connection channel is as follows: the PC clients <-> the server <-> the ARM clients <-> the FPGA remote experiment board card. The system and the method provided by the invention realize bidirectional interaction of a remote hardware experiment, and satisfy double need of a local experiment and a remote experiment.

Description

technical field [0001] The invention relates to the technical field of experimental teaching instruments, in particular to an FPGA experimental system supporting remote experiments. Background technique [0002] Experiment is a very important part of daily teaching, and it is also the main means of verification in the process of scientific research. The traditional teaching experiment method is to go to the laboratory to complete the experiment at a designated time. The disadvantages are that the experimental time and place are limited, the utilization rate of experimental equipment is low, and the cost of laboratory and equipment management is high. Today, when "online learning" is advocated, various forms of distance and online learning resources have already been available for theoretical learning. However, due to the limitations of experimental time, space and experimental equipment, online learning methods for experimental teaching are far behind. [0003] In recent ye...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 冯建文丁强姜周曙黄康宁
Owner HANGZHOU DIANZI UNIV
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