CN102662330B - Fault simulation device of fiber channel avionics environment (FC-AE)-1533 device - Google Patents

Abstract

The FC-AE-1533 equipment failure simulation device relates to a failure simulation device, which is used to simulate the failure of the FC-AE-1533 equipment, and then realize the problem of detecting the failure of the FC-AE-1533 equipment. Its programmable logic devices are built with the Qsys system inside. The NIOSII processor in the Qsys system is used to send control commands to the optical fiber interface module; the PCIe module is used to receive the fault injected from the fault simulation host computer and perform data interaction with the simulation host computer; the optical fiber interface module is used to perform 8B/ 10B encoding and sending, sending injected faults, and decoding and CRC checking the received data. The invention can be widely used in avionics equipment, fighter jets, civil aircraft, ships and other occasions with equipment meeting the FC-AE-1553 agreement, and can perform maintenance, testing, troubleshooting and other work on the above products.

Description

FC-AE-1533 equipment failure simulation device

technical field

The invention relates to an equipment failure simulation device.

Background technique

With the development of aerospace electronic buses, the interconnection performance between devices and the requirements for data throughput are also gradually increasing, and the FC-AE-1553 bus based on Fiber Channel technology has advantages in data transmission bandwidth and network performance. It has become the military bus standard following the MIL-STD-1553B bus, and will be more and more used in spaceborne, shipborne, airborne and other equipment. With the in-depth research on FC-AE-1533, FC-AE-1533 equipment will emerge in large numbers, and the problem of lack of bus test means becomes increasingly prominent. At present, there is no FC-AE-1533 equipment fault simulation device that can test FC-AE-1533 through fault injection in the domestic market.

Contents of the invention

The present invention aims at performing fault simulation on FC-AE-1533 equipment, and further realizing the problem of detecting the fault of FC-AE-1533 equipment, thus providing a FC-AE-1533 equipment fault simulation device.

FC-AE-1533 equipment failure simulation device, which includes programmable logic devices, photoelectric/electro-optic conversion modules and failure simulation host computer;

The interior of the programmable logic device has a Qsys system, and the Qsys system includes a NIOSII processor, an optical fiber interface module, a PCIe module and an AVALON bus;

The NIOSII processor, optical fiber interface module and PCIe module are all connected to the AVALON bus;

The NIOSII processor is used to send control commands to the optical fiber interface module and the PCIe module;

The PCIe module is used to receive injection fault information from the fault simulation host computer through the PCIe interface and perform data interaction with the simulation host computer;

The optical fiber interface module is used to send the injection fault information of the fault simulation host computer to the FC-AE-1533 device to be tested through the photoelectric/electro-optical conversion module; it is also used to encode the data of the fault simulation host computer, and the encoded data It is sent to the FC-AE-1533 device to be tested through the photoelectric/electro-optical conversion module; it is also used to receive data from the FC-AE-1533 device to be detected through the photoelectric/electro-optical conversion module, decode the data, CRC check and pass The PCIe module is uploaded to the fault simulation host computer;

The photoelectric/electrical-optical conversion module is used to realize the mutual conversion of optical signals and electrical signals.

Beneficial effects: the present invention can perform fault simulation on FC-AE-1533 equipment, and then realize fault detection on FC-AE-1533 equipment. Where there are devices that meet the FC-AE-1553 protocol, maintenance, testing, and troubleshooting can be performed on the above-mentioned products.

Description of drawings

FIG. 1 is a schematic diagram of the structure of the present invention; FIG. 2 is a schematic diagram of the internal structure of a programmable logic device in the present invention.

Detailed ways

Specific embodiment one, illustrate this specific embodiment in conjunction with Fig. 1, FC-AE-1533 equipment failure emulation device, it comprises programmable logic device 1, photoelectricity/electro-optical conversion module 2 and fault emulation host computer 4;

The internal construction of programmable logic device 1 has Qsys system, and described Qsys system comprises NIOSII processor 11, optical fiber interface module 12, PCIe module 13 and AVALON bus 14;

NIOSII processor 11, optical fiber interface module 12 and PCIe module 13 are all mounted on the AVALON bus 14;

NIOSII processor 11 is used to send control order to optical fiber interface module 12 and PCIe module 13;

The PCIe module 13 is used to receive the injection fault information from the fault simulation host computer 4 and carry out data interaction with the simulation host computer 4 through the PCIe interface;

The optical fiber interface module 12 is used to send the injection fault information of the fault simulation host computer 4 to the FC-AE-1533 device 5 to be detected through the photoelectric/electrical-optical conversion module 2; it is also used to encode the data of the fault simulation host computer 4, and The encoded data is sent to the FC-AE-1533 device 5 to be detected by the photoelectric/electro-optical conversion module 2; it is also used to receive the data from the FC-AE-1533 device 5 to be detected by the photoelectric/electro-optical conversion module 2, and the The data is decoded, CRC checked and uploaded to the fault simulation host computer 4 through the component 13;

The photoelectric/electrical-optical conversion module 2 is used to realize mutual conversion of optical signals and electrical signals.

The present invention can send the artificially designed fault error to the FC-AE-1553 device 5 to be detected through the fault injection software embedded in the fault simulation host computer 4 or the programmable logic device 1; and can receive the FC-AE-1553 device to be detected 5 Decode and check the data sent, and judge whether the FC-AE-1553 device 5 to be tested meets the requirements of the FC-AE-1553 standard, and find out the cause of errors during data transmission, and judge Which functions of the FC-AE-1553 device to be tested do not meet the protocol requirements.

The function of each part among the present invention is:

Programmable logic device 1: used to encode and send the data transmitted by the fault simulation software embedded in the fault simulation host computer 4, or inject errors into the FC-AE-1553 device 5 to be detected according to the fault simulation software instructions, And the data sent by the FC-AE-1553 device 5 to be detected is received, decoded, verified and uploaded to the fault simulation software. The programmable logic chip provides a PCIe interface, which is used to realize the data exchange between the fault simulation software of the PC and the programmable logic device.

Power supply module 3: supplies power to the programmable logic device 1 and the photoelectric/electro-optic conversion module 2. The power supply module 3 is input by the motherboard PCIe slot of the fault simulation host computer 4, the input is +3.3V and +12V DC voltage, and the output is +0.9V, +1.1V, +1.5V, +1.8V, +2.5V, Multiple sets of DC voltages such as +3.0V, +3.3V can meet the power requirements of most applications;

Photoelectric conversion module 2: used to realize photoelectric and electro-optical signal conversion, and used for data exchange between programmable logic devices and the FC-AE-1553 equipment to be tested. The fiber channel interface module is a FTLF8514P2 SFP module of Finisar Company, one end is connected with the programmable logic device, and the other end is connected with the FC-AE-1553 device 5 to be detected through optical fiber.

Qsys system: uses Altera's system-level logic design tool; it is a system integration tool included in the Quartus II software; it can complete system-level hardware design at a fairly abstract level, and automatically define and integrate users Custom HDL components; it simplifies the difficulty of design reuse by packaging user-defined components. During system generation, the Qsys system automatically generates high-performance internal interconnection logic according to the connection options set by the user, avoiding errors easily caused by writing HDL codes and saving time.

Nios II processor 11: Adopt the 32-bit RSIC embedded processor introduced by Altera Company. Nios II processor has a complete software development kit, including compiler, integrated development environment (IDE), JTAG debugger, real-time operating system (RTOS) and TCP/IP protocol stack.

PCIe module 13: The full name of the PCIe bus is PCI-Express, formerly known as "3GIO", proposed by Intel Corporation, which represents the next-generation I/O interface standard. Its main advantage is the high data transmission rate, and the current highest 16X2.0 version can reach 10GB/s.

AVALON bus 14: It is a dedicated internal wiring bus developed by Altera Corporation. It consists of a set of predefined signals. It is a relatively simple bus structure and is ideal for system processors and peripherals. inline bus between. The AVALON bus describes the port connection relationship between master and slave components, as well as the timing relationship between components.

When the present invention is working, its PCIe interface is connected with the fault simulation host computer 4, and the photoelectric/electro-optical conversion module is connected with the FC-AE-1553 bus device 5 to be detected through an optical fiber, so as to realize the fault simulation software and the FC-AE-1553 to be detected The workflow for data transmission between devices 5 specifically includes two procedures: NC workflow and NT workflow.

NC workflow:

First, run the fault simulation software on the fault simulation host computer 4, and use it to set the corresponding parameters of the FC-AE-1553 fault simulation device, including information such as configuring the device as NC and working mode, and the information enters the programmable logic device through the PCIe interface In the PCIe module of 1, the NIOSII processor obtains the information downloaded by the host computer software by reading the PCIe module information, and configures the optical fiber interface module according to the information to complete functions such as login and port initialization. After that, the user runs the host computer The fault simulation software in the machine sets the data packets to be sent, whether to inject faults when sending, and what kind of faults to inject. After the information enters the programmable logic device through the PCIe interface and is acquired by the NIOSII processor, the processor According to these information, the optical fiber interface module will be controlled to send data. After the data is converted into optical signal by photoelectric/electro-optic, it will be sent to the FC-AE-1553 device to be detected through the optical fiber, and then start to receive the FC-AE-1553 to be detected The data returned by the device enters the optical fiber interface module of the programmable logic device through the photoelectric/electro-optical conversion module for receiving decoding and CRC check, and then the data enters the host computer through the PCIe module and PCIe interface under the control of the NIOS II processor. In the simulation software, the software judges whether the FC-AE-1553 device to be tested meets the FC-AE-1553 protocol by analyzing whether the data returned by the FC-AE-1553 device to be tested corresponds to the input fault.

NT workflow:

First, run the fault simulation software on the host computer, and use it to set the corresponding parameters of the FC-AE-1553 fault simulation device, including information such as configuring the device as NT and working mode, and the information enters the PCIe module of the programmable logic device through the PCIe interface Among them, the NIOSII processor obtains the information downloaded by the host computer software by reading the PCIe module information, and configures the optical fiber interface module according to the information to complete initialization and other functions. After that, the user runs the fault simulation software in the host computer, Set whether to inject faults and what kind of faults to inject when receiving commands sent by the device to be tested and need to return data. After the information enters the programmable logic device through the PCIe interface and is acquired by the NIOSII processor, the processor will follow the These information control the optical fiber interface module to configure and prepare to receive the data sent by the device to be detected. After receiving the data sent by the FC-AE-1553 device to be detected, the NIOS II processor controls the optical fiber interface module to send response data according to the fault set by the host computer software, and judges the status of the device to be detected by analyzing the response of the FC-AE-1553 device to be detected. Detect whether the FC-AE-1553 device complies with the FC-AE-1553 protocol.

The invention can be widely used in avionics equipment, fighter jets, civil aircraft, ships and other occasions with equipment meeting the FC-AE-1553 protocol, and can perform maintenance, testing and troubleshooting on the above products.

Embodiment 2. The difference between this embodiment and the FC-AE-1533 equipment failure simulation device described in Embodiment 1 is that the power module 3 is used to provide work to the programmable logic device 1 and the photoelectric/electrical-optical conversion module 2. power supply.

Specific Embodiment 3. The difference between this specific embodiment and the FC-AE-1533 equipment failure simulation device described in specific embodiment 1 is that the programmable logic device 1 is an FPGA with a model number of EP2AGX45DF29.

Embodiment 4. The difference between this embodiment and the FC-AE-1533 equipment fault simulation device described in Embodiment 1 is that the optical fiber interface module 12 encodes the data of the fault simulation host computer 4 in 8B/10B, and The encoded data is sent to the FC-AE-1533 device 5 to be detected through the photoelectric/electro-optical conversion module 2 .

Claims (4)

1. FC-AE-1533 equipment fault simulation device, its characteristics are: it includes programmable logic device (1), photoelectric/electro-optical conversion module (2) and fault simulation host computer (4); A Qsys system is built inside the programmable logic device (1), and the Qsys system includes a NIOSII processor (11), an optical fiber interface module (12), a PCIe module (13) and an AVALON bus (14); NIOSII processor (11), optical fiber interface module (12) and PCIe module (13) are all mounted on the AVALON bus (14); The NIOSII processor (11) is used to send control commands to the optical fiber interface module (12) and the PCIe module (13); The PCIe module (13) is used to receive injected fault information from the fault simulation host computer (4) through the PCIe interface and perform data interaction with the simulation host computer (4); The optical fiber interface module (12) is used to send the injected fault information of the fault simulation host computer (4) to the FC-AE-1533 device (5) to be detected through the photoelectric/electro-optic conversion module (2); it is also used to transmit the fault simulation host computer machine (4) to encode the data, and send the encoded data to the FC-AE-1533 device (5) to be detected through the photoelectric/electro-optical conversion module (2); it is also used to pass the photoelectric/electro-optical conversion module (2) Receive the data from the FC-AE-1533 device (5) to be tested, decode the data, check the CRC and upload it to the fault simulation host computer (4) through the PCIe module (13); The photoelectric/electro-optical conversion module (2) is used to realize mutual conversion between optical signals and electrical signals. 2. The FC-AE-1533 equipment fault simulation device according to claim 1, characterized in that the power supply module (3) is used to provide working power to the programmable logic device (1) and the photoelectric/electro-optical conversion module (2). 3. The FC-AE-1533 equipment fault simulation device according to claim 1, characterized in that the programmable logic device (1) is an FPGA with a model number of EP2AGX45DF29. 4. The FC-AE-1533 equipment fault simulation device according to claim 1, characterized in that the optical fiber interface module (12) encodes the data of the fault simulation host computer (4) in 8B/10B, and encodes the encoded The data is sent to the FC-AE-1533 device (5) to be detected through the photoelectric/electro-optical conversion module (2).

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