CN202677381U

CN202677381U - 1553B treaty simulation tester

Info

Publication number: CN202677381U
Application number: CN 201220160376
Authority: CN
Inventors: 赵鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-16
Filing date: 2012-04-16
Publication date: 2013-01-16
Anticipated expiration: 2022-04-16

Abstract

The utility model discloses a 1553B treaty simulation tester. The 1553B treaty simulation tester comprises a field programmable gate array (FPGA) master control circuit board arranged inside a simulator, a 1553B port expansion board and a drive expansion board of a touch tablet and a liquid crystal display screen. The FPGA master control circuit board is connected with the 1553B port expansion board through two rows of fifty-hole rounds, and connected with the drive expansion board of the touch tablet and the liquid crystal display screen through a forty-cable cable socket. FPGA technique, network technology and touch screen technology provide convenience for users to debug and test 1553B nodes in simulation mode. The users can finish simple node communication testing through a touch screen, connect the simulator and a computer through a network cable, and finish complicated simulation debugging work to terminal nodes through the computer.

Description

1553B protocol emulation tester

Technical field

The utility model relates to a kind of emulator, particularly a kind of simulating and testing instrument for the 1553B agreement.Can be applicable to the aspects such as 1553B protocol bus node test and system emulation debugging.Be applicable to the fields such as Aeronautics and Astronautics, boats and ships, weapons.

Background technology

At present, existing 1553B protocol emulator mainly is by computer PCI slot expansion artificial card, use stube cable to connect artificial card and tested node, by PC software control artificial card tested node is carried out artificial debugging, whole debug system volume is large, connect complexity, be not easy to mobile.

The utility model content

Large in order to overcome the emulation debugging system volume, be difficult to the problem of move operation, the utility model provides a kind of portable emulator, utilizes FPGA governor circuit, touch-screen, liquid crystal display, ethernet technology, has dwindled the volume of emulator.For the simple node test that only needs to pay close attention to tested node duty, can finish by touch-screen, and for need to the system emulation debugging that just can carry out being set by complexity, can with netting twine emulator be connected to computer by network connecting function, use IE browser control emulator that tested node is carried out artificial debugging.

The purpose of this utility model realizes by following technical proposals.

The simulating and testing instrument of 1553B agreement, comprise the driving expansion board that is arranged on FPGA main control board, 1553B Interface Expanding version and touch pad and liquid crystal display in the emulator, described FPGA main control board links to each other with the 1553B interface expansion board by the round in two rows, 50 holes, and the FPGA main control board links to each other with the driving expansion board of touch pad and liquid crystal display by the cable socket of 40 lines.

The utility model is further characterized in that:

Described FPGA main control board comprises a fpga chip, this fpga chip is (model: EP2C20484C8N) connect two SDRAM chips (model: IS42S16160B), FLASH chip (model: S29GL064N), an EPCS chip (EPCS64) and an ethernet control chip (model: DM9000AEP) respectively, the 1553B protocol chip expansion board connecting interface of described fpga chip by two 50 pins connects two transformers, and (model: B3226), two transformers connect the female of 1 DB9; Described fpga chip connects a RJ45 connector by ethernet control chip, and (model: HP911105A), the RJ45 connector connects computer by netting twine.

Also be distributed with power supply chip and power lead jack on the described FPGA main control board, on the FPGA main control board, also be connected with respectively driving expansion board connecting interface and the AS/JTAG download interface of touch pad and the liquid crystal display of 1 40 pin.

Described 1553B interface expansion board comprises a 1553B protocol transceiver, and this protocol transceiver respectively 1553B interface expansion board connecting interface by 50 pins is connected with the system outside line.

Be provided with on the driving expansion board of described touch pad and liquid crystal display for the 40 line winding displacement interfaces that connect the FPGA main control board and the 60 line winding displacement interfaces that are connected connecting the touch pad liquid crystal display.

The utility model uses with the Circuits System of FPGA governor circuit as core, expansion connects driving expansion board and the network of 1553B interface expansion board, touch panel and liquid crystal display, by in the FPGA governor circuit, embedding NIOSII CPU, expansion sdram controller interface, FLASH control unit interface, touch screen controller interface, liquid crystal display control unit interface, ethernet controller interface, 1553B protocol chip interface etc., utilize the operation of each peripheral hardware of software control, finish the man-machine interaction of 1553B protocol emulation.

The beneficial effects of the utility model are, have greatly reduced volume and the operation complexity of 1553B emulator, have increased portability, efficiently solve the requirement of outdoor test, and friendly human-computer interaction interface is provided, the convenient use.

Characteristics of the present utility model are:

1) ease for use

Emulator adopts touch screen technology and network technology, by graphic user interface test subscriber system, and can be by the Ethernet artificial debugging that PC and the interconnected realization of emulator is more complicated.Comparatively speaking the volume of hand-held emulator is little, portability is strong, be simple and easy to usefulness.

2) high performance-price ratio

The relevant integrated circuit board of the function of hand-held emulator outside can subrogate country.More realistic engineering application and the demand of outdoor emulation testing.

3) product expansion

1553B hand-held emulator has extremely strong extensibility, has abundant Peripheral Interface, can increase function by user's request, makes it more to meet user's request for utilization.

Description of drawings

Fig. 1 is the system architecture schematic diagram of the utility model in emulator;

Fig. 2 is that the FPGA main control board consists of schematic diagram;

Fig. 3 is 1553B interface expansion board structural representation;

Fig. 4 is the driving expansion board structural representation of touch pad and liquid crystal display.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further details.

As shown in Figure 1, the simulating and testing instrument of this 1553B agreement, comprise the driving expansion board that is arranged on FPGA main control board, 1553B Interface Expanding version and touch pad and liquid crystal display in the emulator, the FPGA main control board links to each other with the 1553B interface expansion board by the round in two rows, 50 holes, and the FPGA main control board links to each other with the driving expansion board of touch pad and liquid crystal display by the cable socket of 40 lines.

Whole system as shown in Figure 1 has the round in two rows, 50 holes at the FPGA main control board, can be connected with the 1553B interface expansion board, also has simultaneously 1 cable socket with 40 lines, can be connected with the driving extended edition of touch panel and liquid crystal display.

The below describes the Structure and function of each several part in detail:

1, FPGA main control board

Wherein the FPGA main control board is mainly by 1 fpga chip (model: EP2C20484C8N), 2 SDRAM chip (models: IS42S16160B), 1 FLASH chip (model: S29GL064N), 1 EPCS chip (EPCS64), 1 ethernet control chip (model: DM9000AEP), 2 transformer (models: B3226), the female of 1 DB9,1 RJ45 connector (model: HP911105A), the 1553B interface expansion board connecting interface of 2 50 pins, the formations such as the driving expansion board connecting interface of the touch pad of 1 40 pin and liquid crystal display and AS/JTAG download interface.

A fpga chip in the FPGA main control board connects respectively two SDRAM chips, a FLASH chip, an EPCS chip and an ethernet control chip, fpga chip connects two transformers by the 1553B interface expansion board connecting interface of two 50 pins, and two transformers connect the female of 1 DB9; Fpga chip connects a RJ45 connector by ethernet control chip, and the RJ45 connector connects computer by netting twine.

And then, also be distributed with power supply chip and power lead jack on the FPGA main control board, on the FPGA main control board, also be connected with respectively driving expansion board connecting interface and the AS/JTAG download interface of touch pad and the liquid crystal display of 1 40 pin.

The major function of chip and interface is:

1) FPGA main control board: be used for embedding all FPGA hardware.Comprise Nios II nuclear, PLL nuclear, input and output PIO mouth, timer, JTAG Uart, Peripheral Interface of f version etc.

2) FLASH chip: outside flash is mainly used in nonvolatil storage program.

3) SDRAM chip: the program when being used for operation and data storage.Behind the system power-on reset, CPU can take out code and data by the bootload program and be written into SDRAM from Flash, and after this program is carried out in SDRAM.

4) EPCS chip: the EPCS chip is mainly used in the hardware configuration data of nonvolatil storage FPGA.

5) ethernet control chip: use DM9000AEP as ethernet control chip, for system provides the Ethernet support.

6) Ethernet RJ45 connector: connect for system provides Ethernet.

7) female of DB9: the cable connecting interface is used for and is connected the connection of 1553B terminal node.

8) 1553B interface: the bus data transmission and the data that realize the 1553B agreement are processed.

9) touch pad and liquid crystal display drive interface: comprise two parts of LCD Interface and touch screen interface.LCD Interface is used for the demonstration data with storage buffer, and the video_sync_generator module embedded by FPGA requires to be sent to liquid crystal display according to certain sequential.Touch screen interface comprises the data transmit-receive interface of a compatible SPI interface, an interrupt request IO mouth and a busy state I O mouth, and the touch-screen D/A switch chip that is used for being connected with drive plate connects.

The FPGA main control board has been expanded the chips such as SDRAM, FLASH, EPCS, Ethernet control take FPGA as core in main control board, and is whole system power supply by external power supply.The connection diagram of FPGA main control board as shown in Figure 2.

2,1553B Interface Expanding version

It is for the 1553B bus interface provides corresponding interface level that 1553B Interface Expanding edition owner will act on, for 1553B bus and being connected of FPGA provide suitable level conversion.Its annexation is illustrated in fig. 3 shown below.

1553B interface expansion board in emulator specifically comprises a 1553B protocol transceiver HI-1573 and configuration circuit thereof, and this chip connects connector by 50 pins and is connected with the FPGA main control board of system.

3, the driving expansion board of touch pad and liquid crystal display

The driving expansion board of touch pad and liquid crystal display is for touch panel and liquid crystal display provide suitable driving voltage.Winding displacement interface by 40 lines is connected with the FPGA main control board, and is connected with the touch pad liquid crystal display by the winding displacement interface of 60 lines.Its connection diagram is illustrated in fig. 4 shown below.

The simulation tester of this 1553B agreement, use the DB9 female interface of FPGA main control board to connect the 1553B terminal node by private cable, use the graphic user interface operational simulation device of the driving expansion board of touch panel and liquid crystal display, finish the test job to terminal node; Simultaneously also can use the RJ45 connector of FPGA main control board to connect computer by netting twine, the web browser operational simulation device of use computer is finished the artificial debugging work to the 1553B terminal node.

The graphic user interface of driving expansion board that can be by touch panel and liquid crystal display to the test of 1553B terminal node operates, test job mainly finish terminal node can with the detection of emulator proper communication.

Artificial debugging to the 1553B terminal node can operate by the web browser of computer, 1553B protocol emulation tester is connected with computer by netting twine, be connected with the 1553B terminal node by private cable, the user can utilize web browser to finish various settings to 1553B protocol emulation tester on computers, then the various operating results of detection simulation device and terminal node on computers.

The above; it only is the better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.

Claims

1.1553B protocol emulation tester, comprise the driving expansion board that is arranged on FPGA main control board, 1553B interface expansion board and touch pad and liquid crystal display in the emulator, it is characterized in that: described FPGA main control board links to each other with the 1553B interface expansion board by the round in two rows, 50 holes, and the FPGA main control board links to each other with the driving expansion board of touch pad and liquid crystal display by the cable socket of 40 lines.

2. 1553B protocol emulation tester according to claim 1, it is characterized in that: described FPGA main control board comprises a fpga chip, this fpga chip connects respectively two SDRAM chips, a FLASH chip, an EPCS chip and an ethernet control chip, described fpga chip connects two transformers by the 1553B protocol chip expansion board connecting interface of two 50 pins, and two transformers connect the female of 1 DB9; Described fpga chip connects a RJ45 connector by ethernet control chip, and the RJ45 connector connects external computer by netting twine.

3. 1553B protocol emulation tester according to claim 2, it is characterized in that: also be distributed with power supply chip and power lead jack on the described FPGA main control board, on the FPGA main control board, also be connected with respectively driving expansion board connecting interface and the AS/JTAG download interface of touch pad and the liquid crystal display of 1 40 pin.

4. 1553B protocol emulation tester according to claim 1, it is characterized in that: described 1553B interface expansion board comprises a 1553B protocol transceiver, and this protocol transceiver is connected with the FPGA main control board of system by the 1553B interface expansion board connecting interface of 50 pins respectively.

5. 1553B protocol emulation tester according to claim 1 is characterized in that: be provided with on the driving expansion board of described touch pad and liquid crystal display for the 40 line winding displacement interfaces that connect the FPGA main control board and the 60 line winding displacement interfaces that are connected connecting the touch pad liquid crystal display.