Reconfigurable PXI serial communication card and method for achieving remote reconfiguration through reconfigurable PXI serial communication card

A technology of remote reconstruction and communication card, applied in data exchange details, electrical components, transmission system, etc., can solve the problems of poor usability and inconvenient maintenance of PXI3U board

Active Publication Date: 2014-02-05
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a reconfigurable PXI serial communication card and a method for realizing remote reco

Method used

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  • Reconfigurable PXI serial communication card and method for achieving remote reconfiguration through reconfigurable PXI serial communication card
  • Reconfigurable PXI serial communication card and method for achieving remote reconfiguration through reconfigurable PXI serial communication card
  • Reconfigurable PXI serial communication card and method for achieving remote reconfiguration through reconfigurable PXI serial communication card

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specific Embodiment approach 1

[0025] Specific implementation mode one: combine Figure 1 to Figure 3 Describe this embodiment, the reconfigurable PXI serial communication card described in this embodiment includes a reconfigurable instrument platform 1 and a function board 2, and the reconfigurable instrument platform 1 includes FPGA1-1, Ethernet interface circuit 1 -2, DDR2SDRAM interface circuit 1-3, PXI interface circuit 1-4, power conversion circuit 1-5, System ACE controller 1-6 and CF card 1-7, the network signal of described Ethernet interface circuit 1-2 The terminal is connected to the network signal terminal of FPGA1-1, the storage / read signal terminal of DDR2SDRAM interface circuit 1-3 is connected to the storage / read signal terminal of FPGA1-1, and the FPGA bus data terminal of PXI interface circuit 1-4 is connected to FPGA1-1 The PXI bus data terminal of the power conversion circuit 1-5 is connected to the power signal terminal of FPGA1-1, and the CFGJTAG (Configration JTAG) port of System ACE...

specific Embodiment approach 2

[0030] Specific implementation mode two: combination Figure 4 Describe this embodiment, this embodiment is to adopt the reconfigurable PXI serial communication card described in embodiment one to realize the method for remote reconfiguration, it is characterized in that: described method realizes by following steps:

[0031] Step 1, establish a network server; execute step 2;

[0032] Step 2, connect with the remote configuration computer; execute step 3;

[0033] Step 3, FPGA1-1 receives the configuration file sent by the remote configuration computer; execute step 4;

[0034] Step 4, FPGA1-1 receives the configuration area code; execute step 5;

[0035] Step 5. Determine whether there is a configuration file in the configuration area. If it is judged to be yes, perform step 6; otherwise, perform step 7;

[0036]Step 6. Delete the existing configuration file in the configuration area, and write the configuration file described in step 3; execute step 8;

[0037] Step sev...

specific Embodiment approach 3

[0047] Specific embodiment three: this embodiment is a further limitation of the method for implementing remote reconfiguration using a reconfigurable PXI serial communication card described in embodiment three: the number of configuration areas in the CF card 1-7 is 8, They are respectively area 0 to area 7. The area 0 is used to store the factory original configuration image and the system-on-chip image including the remote reconfiguration method. Area 1 to area 5 store five different serial communication protocol images respectively. Area 6 and area 7 is a spare area.

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Abstract

The invention discloses a reconfigurable PXI serial communication card and a method for achieving remote reconfiguration through the reconfigurable PXI serial communication card, and relates to the PXI reconfigurable serial communication technology. The reconfigurable PXI serial communication card aims at solving the problem that a PXI3U board card is poor in universality and inconvenient to maintain. A reconfigurable instrument platform of the reconfigurable PXI serial communication card is connected with a function board of the reconfigurable PXI serial communication card in a stack connection mode, the function board is detachably arranged on the back face of the reconfigurable instrument platform, and connecting signals are I/O signals of an FRGA. After a complete network server is formed, the FPGA receives a configuration file sent by a remote configuration computer. The reconfigurable PXI serial communication card can solve the problems that the number of different communication protocol cards is large, the system integration difficulty is high, and cost is high through the reconfiguration function, the serial communication function of the different protocols is achieved, and the reconfigurable PXI serial communication card has the advantages of being high in flexibility and universality, easy to update, suitable for test systems or other systems and the like.

Description

technical field [0001] The invention relates to a PXI reconfigurable serial communication technology. Background technique [0002] For different measured objects, generally need to use different serial communication such as RS422 or RS485, and for different measured objects, often need to use different communication protocols, such as HDLC, SDLC, UART, etc. The PXI reconfigurable serial communication card designed this time can realize the mutual switching of different communication level standards and different communication protocols through local or remote reconfigurable methods. [0003] In the field of testing, it is often necessary to use different communication protocols. Traditional PXI3U boards integrate reconfigurable instrument platforms and function boards on one board, resulting in poor versatility of PXI3U boards. If different communication cards are used to implement different communication protocols, device integration is difficult and costly. When differe...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/02
Inventor 王少军赵光权彭宇刘大同付振鹏庞业勇
Owner HARBIN INST OF TECH
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