CN103019995A

CN103019995A - Interface board card based on 1553B bus

Info

Publication number: CN103019995A
Application number: CN2012105740198A
Authority: CN
Inventors: 刘长亮; 金守义; 翟泽泽
Original assignee: Shanghai Aviation Electric Co Ltd
Current assignee: Shanghai Aviation Electric Co Ltd
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2013-04-03

Abstract

The invention relates to an interface board card based on a 1553B bus, which is characterized in that the interface board card comprises the 1553B bus, a bus controller, a second transceiver end, a level translator, a peripheral register and a complex programmable logic controller. The bus controller is provided with a first transceiver end which is connected with the 1553B bus directly or connected with the 1553B bus through the coupling of a transformer. The second transceiver end is connected with the 1553B bus directly or connected with the 1553B bus through the coupling of the transformer. The peripheral register is connected with the bus controller through the level translator. The interface board card has the advantages that serving as a terminal on a 1553B bus network, the interface board card realizes the distributed real-time communication of the network, and through the setting of software and hardware, the interface board card can select to work in the mode of the bus controller (BC), a remote terminal (RT) or a monitor (MT).

Description

Interface integrated circuit board based on the 1553B bus

Technical field

The present invention is mainly used in take MIL-STD-1553B(hereinafter to be referred as 1553B) bus interface is the subsystem networking interface of representative, its effect is to build a bridge block between 1553B bus and existing other bussing techniques so that the information flow of different systems can be in real time, mutually change exactly.

Background technology

MILSTD MIL-STD-1553B(interior of aircraft time-devision system instruction/response type multiplex bus) be that US military aims at a kind of information transmission bus standard that the equipment on the aircraft is formulated, have in the world many countries (GJB289A-97 according to MIL-STD-1553B formulate) to quote this standard, its superiority, reliability, rationality be widely used confirm.

The 1553B bus protocol has been stipulated the technical requirement of the command/response time-devision system multiplex data bus that interior of aircraft is digital, has also stipulated the mode of operation of multiple bus and form and the electrical code of the information flow on the bus.In the 1553B bus transmission system, the complete procedure of at every turn transmitting a message should comprise instruction word, data word, the several parts of status word (or instruction word and status word).A word word length of every kind of word is the 2O position, and the effective information position is 16, and the front three of each word is the synchronous prefix of individual character, and last position is parity bit.Instruction word can only be sent by the bus controller (Bus Controller is abbreviated as BC) of existing activation, its content provided the specific requirement of this time message transfer: remote terminal (Remote Terminal.Be abbreviated as RT) address bit indicate BC will with which RT dialogue; The T/R position shows that this RT of order is transmission information or reception information; It is which data communication buffer area which data communication buffer area from RT takes out or deliver to that the sub address position indicates the information that will transmit; Data word number of words position indicated the instruction word defined this time data transmission the continuous data word number of words of transmission.Data word both can be transferred to certain RT by BC, also can transport to BC or transport to another RT from certain RT from RT.Status word should can only be sent by RT by the property demonstrate,proved signal as the effective order that BC is sent, and the division of labor of BC and RT has determined the difference of status word and instruction word naturally.

Summary of the invention

The present invention overcomes the problem of prior art, and a kind of interface integrated circuit board based on the 1553B bus is provided.

For above-mentioned purpose, the present invention relates to a kind of interface integrated circuit board based on the 1553B bus, it is characterized in that, comprise that a 1553B bus is connected with bus controller (BC), remote terminal (RT) and/or bus monitor (MT) at least on this bus; One bus controller has one first transmission/receiving end, and it directly or by transformer coupled is connected with described 1553B bus; One second transmission/receiving end, it directly or by transformer coupled is connected with described 1553B bus; One level translator; One peripheral hardware register; One complex programmable logic controller; This peripheral hardware register is connected with bus controller by level translator.

Described bus controller is BU61580, is level translator that 164245, CPLD is?, transformer is B3226, peripheral memory is F2812; The 1553B bus is of coupled connections by TX/RX-A end and the TX/RX-A* end of B3226 and BU61580, and the 1553B bus is of coupled connections by TX/RX-B end and the TX/RX-B* end of B3226 and BU61580; The A0-A11 of BU61580 end, D0-D15 end are held with 164245 1A0-1A11,2A0-2A15 holds corresponding connection; 164245 1B0-1B11 end, 2B0-2B15 end are held corresponding connection with A0-A11 end, the D0-D15 of F2812; The SELECT end of BU61580 is connected with the output terminal of CPLD, and the A12-A15 end of CPLD is held corresponding connection with the A12-A15 of F2812.

Control system based on the 1553B bus, comprise, computing machine, 1553B bus special test equipment, it is characterized in that, also comprise claim 1 or 2 described interface integrated circuit boards, described computing machine links by 1553B bus and this interface board and connects, and this interface board cartoon is crossed the 1553B bus and is connected with 1553B bus special test equipment.

The invention has the advantages that: as terminal on the 1553B bus network, realization is to the distributed real-time Communication for Power of this network, and can select this plate to be operated in bus controller (BC), remote terminal (RT) or bus monitor (MT) pattern by the setting of software and hardware.

Description of drawings

Accompanying drawing 1 is bus of the present invention.

Accompanying drawing 2 is proving installation connection layout of the present invention.

Accompanying drawing 3 is theory diagram of the present invention.

Accompanying drawing 4 is BU61580 chip functions block diagram among Fig. 3.

Below in conjunction with drawings and Examples the present invention is elaborated.

Embodiment

The interface integrated circuit board that is based on the 1553B bus shown in the figure is characterized in that, comprises that a 1553B bus is connected with bus controller (BC), remote terminal (RT) and/or bus monitor (MT) at least on this bus; One bus controller has one first transmission/receiving end, and it directly or by transformer coupled is connected with described 1553B bus; One second transmission/receiving end, it directly or by transformer coupled is connected with described 1553B bus; One level translator; One peripheral hardware register; One complex programmable logic controller; This peripheral hardware register is connected with bus controller by level translator.

Described bus controller is BU61580, is level translator that 164245, CPLD is?, transformer is B3226, peripheral memory is F2812; The 1553B bus is of coupled connections by TX/RX-A end and the TX/RX-A* end of B3226 and BU61580, and the 1553B bus is of coupled connections by TX/RX-B end and the TX/RX-B* end of B3226 and BU61580; The A0-A11 of BU61580 end, D0-D15 end are held with 164245 1A0-1A11,2A0-2A15 holds corresponding connection; 164245 1B0-1B11 end, 2B0-2B15 end are held corresponding connection with A0-A11 end, the D0-D15 of F2812; The SELECT* end of BU61580 is connected with the output terminal of CPLD, and the A12-A15 end of CPLD is held corresponding connection with the A12-A15 of F2812.

Control circuit between BU-61580 and the digital signal processor is all realized in programmable logic chip.Control circuit comprises: address decoding circuitry, logic control circuit.Pool, address decoding circuit function is that the employed digital signal processor memory of docking port integrated circuit board and BU-61580 storer carry out address selection, decoding; The logic control circuit function is look-at-me, handshake, the insertion waiting signal that produces the needed control signal of BU-61580 and offer digital signal processor.

The test of BC pattern

Such as Fig. 2 connecting test device, be the BC pattern by computer installation interface integrated circuit board, open the 1553B special test equipment and be set to the RT pattern and the RT address is set.

Open computing machine and load the BC test pattern procedure, press test procedure interface integrated circuit board and send test data as the BC cycle to the 1553B special test equipment, show test results by special test equipment.

The test of RT pattern

Such as Fig. 2 connecting test device, be the RT pattern by computer installation interface integrated circuit board, and the RT address is set, open the 1553B special test equipment and be set to the BC pattern.

Open computing machine and load the rt test model program, press test procedure interface integrated circuit board and receive the test data that the 1553B special test equipment sends as the RT cycle, by the Computer display test result.

The test of MT pattern

Such as Fig. 2 connecting test device, be the MT pattern by computer installation interface integrated circuit board, open the 1553B special test equipment and be set to the BC pattern, and the integrated 1553B Bus PC I integrated circuit board of computing machine is set to the RT pattern, and the RT address is set.

The special test equipment cycle sends data to computing machine 1553B Bus PC I integrated circuit board, and the interface integrated circuit board is monitored data and gone back to computing machine host computer interface by other bus transmission and shows.

Claims

1. based on the interface integrated circuit board of 1553B bus, it is characterized in that, comprise,

One 1553B bus is connected with bus controller (BC), remote terminal (RT) and/or bus monitor (MT) at least on this bus;

One bus controller has one first transmission/receiving end, and it directly or by transformer coupled is connected with described 1553B bus; One second transmission/receiving end, it directly or by transformer coupled is connected with described 1553B bus; Address wire; Data line;

One level translator;

One peripheral hardware register;

One complex programmable logic controller;

The address wire of this peripheral hardware register, data line make control information be passed in the bus controller from the peripheral hardware register by level translator connection corresponding to bus controller.

2. the interface integrated circuit board based on the 1553B bus according to claim 1 is characterized in that, described bus controller is BU61580, and level translator is that 164245, CPLD is EPM1270T144I5, and transformer is B3226, and peripheral memory is F2812; The 1553B bus is of coupled connections by TX/RX-A end and the TX/RX-A* end of B3226 and BU61580, and the 1553B bus is of coupled connections by TX/RX-B end and the TX/RX-B* end of B3226 and BU61580; The A0-A11 of BU61580 end, D0-D15 end are held with 164245 1A0-1A11,2A0-2A15 holds corresponding connection; 164245 1B0-1B11 end, 2B0-2B15 end are held corresponding connection with A0-A11 end, the D0-D15 of F2812; The SELECT* end of BU61580 is connected with the output terminal of CPLD, and the A12-A15 end of CPLD is held corresponding connection with the A12-A15 of F2812.

3. based on the control system of 1553B bus, comprise, computing machine, 1553B bus special test equipment, it is characterized in that, also comprise claim 1 or 2 described interface integrated circuit boards, described computing machine links by 1553B bus and this interface board and connects, and this interface board cartoon is crossed the 1553B bus and is connected with 1553B bus special test equipment.