CN104866423B - The test method and system of a kind of software configuration item - Google Patents

Abstract

The present invention relates to a method and system for testing software configuration items. The system includes a network interface module, a CPU processing module, an FPGA module, a signal conversion module, an interface conversion module and a storage module; the network interface module is used to receive a test control terminal The test sequence sent; the CPU processing module is used to receive the test sequence, and analyze and schedule the test sequence, generate corresponding test instructions, and configure the test interface parameters of the corresponding test instructions; the FPGA module generates configuration according to the test interface parameters Interface timing relationship and test data; the signal conversion module is used to convert the interface timing relationship and test data into test stimulus information that matches the test equipment; the interface conversion module is used to make the device under test according to the test stimulus information The response information is fed back to the FPGA module; the storage module is used to store the response information. It has the advantages of flexible interface configuration, portability and remote control.

Description

Method and system for testing software configuration items

technical field

The invention relates to a testing method and system for software configuration items.

Background technique

There are two main types of simulation test systems currently used for testing software configuration items. One is based on virtualization platform simulation with script testing. This kind of test system often cannot truly reflect the actual characteristics of the device itself, and the input stimulus is too ideal. The test object has ignored the electrical characteristics, and the output signal may not reflect the real state of the test object. In addition, the simulation and script test method need to spend a lot of test time, and the test efficiency is low;

The second main test system is the hardware-in-the-loop simulation test system based on the interface. This system basically uses a general-purpose independent interface board. Although this test system can reflect the actual characteristics of the real physical device, the task-driven configuration item High-level embedded system testing requires precise cooperation between interfaces, and the ability and time accuracy of interface-based test systems to work together cannot be guaranteed.

In recent years, with the continuous expansion of software scale and interface complexity of software configuration items, it is more urgent to have a test system solution with configurable interface, low cost, portability and remote control.

Contents of the invention

The technical problem to be solved by the present invention is to provide a testing system and method for software configuration items with configurable interfaces, low cost, convenient remote control, and applicable to multiple external interfaces.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a method for testing software configuration items, specifically comprising the following steps:

Step 1: Receive the test sequence sent by the test control terminal;

Step 2: Determine whether to execute the test sequence, if yes, execute step 3; otherwise, end;

Step 3: Analyze and schedule the test sequence, generate corresponding test instructions, and configure test interface parameters corresponding to the test instructions;

Step 4: The FPGA module generates configuration interface timing relationship and test data according to the test interface parameters;

Step 5: Convert the interface timing relationship and test data into test stimulus information matching the test equipment;

Step 6: The device under test makes response information according to the test stimulus information, and feeds the response information back to the FPGA module;

Step 7: Store and display the response information to complete the test.

The beneficial effects of the present invention are: in the present invention, the signal conversion module and the interface conversion module in the test system of the software configuration items are selected according to the external bus type and physical interface characteristics of the device under test, and are managed uniformly by the FPGA module, which is convenient for centralization Control, high integration, low cost; compared with the traditional simulation test system, it saves test resources and is more in line with the flexible and changeable test requirements of the external interface of software configuration items. In the present invention, the FPGA module can configure various timing models according to the type of the external bus, test whether the bus interface protocol is normal or abnormal, fully realize the autonomy of the programmable configuration logic, and effectively solve the limitations caused by the accumulation of various commercial boards and cards sex. In the present invention, the CPU processing module and the network interface module can be connected with the test monitoring system through the Ethernet to form a distributed collective test system, and the test monitoring system sends the test sequence to the software configuration item test system through the Ethernet, and receives test data at the same time Real-time echo, interpretation and storage, compared with the traditional software configuration item test system, has the advantages of portability and remote control.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, in step 3, the test instruction and test interface parameters are sent to the FPGA module through the tri-state bus.

Further, in the step 2, according to the IP address of the system itself, whether to execute the test sequence is judged by the running operating system and related application programs.

Further, the FPGA module collects response information through a specific interface according to the interface protocol, and stores the response information in the storage module.

The technical solution of the present invention for solving the above-mentioned technical problems is as follows: a test system for software configuration items, including a network interface module, a CPU processing module, an FPGA module, a signal conversion module, an interface conversion module and a storage module;

The network interface module is used to receive the test sequence sent by the test control terminal;

The CPU processing module is used to receive test sequences, and analyze and schedule the test sequences, generate corresponding test instructions, and configure test interface parameters corresponding to the test instructions;

Described FPGA module produces configuration interface sequence relation and test data according to test interface parameter;

The signal conversion module is used to convert the interface timing relationship and test data into test stimulus information matched with the test equipment;

The interface conversion module is used to feed back the response information made by the device under test according to the test stimulus information to the FPGA module;

The storage module is used for storing response information.

The beneficial effects of the present invention are: in the present invention, the signal conversion module and the interface conversion module in the test system of the software configuration items are selected according to the external bus type and physical interface characteristics of the device under test, and are managed uniformly by the FPGA module, which is convenient for centralization Control, high integration, low cost; compared with the traditional simulation test system, it saves test resources and is more in line with the flexible and changeable test requirements of the external interface of software configuration items. In the present invention, the FPGA module can configure various timing models according to the type of the external bus, test whether the bus interface protocol is normal or abnormal, fully realize the autonomy of the programmable configuration logic, and effectively solve the limitations caused by the accumulation of various commercial boards and cards sex. In the present invention, the CPU processing module and the network interface module can be connected with the test monitoring system through the Ethernet to form a distributed collective test system, and the test monitoring system sends the test sequence to the software configuration item test system through the Ethernet, and receives test data at the same time Real-time echo, interpretation and storage, compared with the traditional software configuration item test system, has the advantages of portability and remote control.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the FPGA module collects response information according to the interface protocol through a specific interface, and stores the response information in the storage module; the FPGA module sends notification information to the CPU processing module at the same time, and the CPU processing module sends the notification information to the reader according to the notification information. The fetching module reads the response information, and transmits the response information to an external display terminal through the network interface module for display.

Further, the FPGA module transmits the interface timing relationship and test data to the signal conversion module through a common IO interface.

Further, the interface conversion module feeds back the response information to the FPGA module through the external physical interface and the signal conversion module.

Further, the signal conversion module includes a general signal conversion chip, a configurable chip and a PHY chip, and the signal conversion module is configured according to the type of the external bus of the device under test to meet the test requirements.

Further, the interface conversion module configures and selects an interface according to the physical interface of the device under test.

Further, a power supply module is also included, and the power supply module is used for supplying power to the network interface module, the CPU processing module, the FPGA module and the signal conversion module.

This test system integrates various external interfaces in software configuration items into one interface board, which is uniformly controlled by an FPGA, and can effectively and accurately simulate and simulate various external interfaces of software configuration items. , the test system has the advantages of flexible interface configuration, portability and remote control.

During the whole test process, the test system first receives the test sequence sent by the test execution system through the network interface module, and transmits the test sequence to the CPU processing module for processing; the CPU processing module analyzes the test sequence, generates and organizes the corresponding test Instructions, configure the corresponding test interface parameters, and send the instructions and parameters to the FPGA module through the tri-state bus; the FPGA module generates and configures the interface timing relationship and test data according to the interface parameters by analyzing the received test instructions and interface parameters. port to the signal driver module; the signal driver module converts the electrical signal output by the FPGA module into an electrical signal characteristic that matches the test equipment; sends the test stimulus information to the device under test through the physical interface conversion module; the device under test according to the test The stimulus responds, and the response information is transmitted to the FPGA module through the external physical interface module and signal driver module of the device under test; the FPGA module collects the test response information through a specific interface according to the interface protocol, and temporarily stores the test response information in the storage module. At the same time, the CPU processing module is notified; the CPU processing module reads the test response information from the storage module according to the notification information, and the test response information is packaged and sent to the test monitoring system through the network interface module to complete the test work;

The test system of software configuration items includes network interface module, CPU processing module, FPGA module, signal driver module, interface conversion module, power supply module and storage module. in:

(1) The network interface module receives the test sequence sent by the test execution system and sends test data to the test monitoring system through the Ethernet interface;

(2) The CPU processing module will analyze the test sequence received by the network interface module, and convert the test sequence into test stimuli for various interfaces and buses, and at the same time receive the test response collected by the FPGA module, package and transfer it to the network module for transmission ;

(3) The FPGA module realizes the timing relationship of various bus interfaces (422 bus, SPI bus, 1553B bus, 1394 bus, etc.), and configures the test stimulus transferred by the CPU module to each interface;

(4) The signal driver module drives the corresponding signal feature chip (BU61580, 422 chip, LVDS chip, AD/DA chip, 1394 bus chip, etc.) with the timing signal output by the FPGA module;

(5) The interface conversion module unifies various signals to the physical interface that matches the software configuration items; the power module driver is used to drive the work of each module in the test system;

(6) The storage module is used to store operating system files on the CPU module, temporary running programs and temporarily store data collected by the FPGA.

By connecting these parts with each other to form a test system for software configuration items; during the test process, according to the requirements of the test interface and test tasks, use the software configuration item test system to realize the corresponding function, performance, interface, boundary and strength tests, and test The data is stored and sent back.

The signal conversion module includes 1394 link layer, physical layer chip, 1553B chip, 422 chip, AD/DA chip, LVDS chip, OC gate control chip, etc. The bus interface tested is 1394 bus, 1553B bus, 422 protocol, LVDS data acquisition And receiving, AD/DA interface, etc.; the signal conversion module can be configured according to the external bus type of the device under test to meet the needs of the test.

The interface conversion module performs configuration selection according to the physical interface of the device under test.

Description of drawings

Fig. 1 is a flow chart of a testing method of a software configuration item according to the present invention;

Fig. 2 is a structural block diagram of a test system of a software configuration item according to the present invention;

FIG. 3 is a structural block diagram of a test system for a software configuration item described in Embodiment 1 of the present invention.

Detailed ways

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figure 1, it is a method for testing a software configuration item according to the present invention, which specifically includes the following steps:

Step 1: Receive the test sequence sent by the test control terminal;

Step 2: Determine whether to execute the test sequence, if yes, execute step 3; otherwise, end;

Step 3: Analyze and schedule the test sequence, generate corresponding test instructions, and configure test interface parameters corresponding to the test instructions;

Step 4: The FPGA module generates configuration interface timing relationship and test data according to the test interface parameters;

Step 5: Convert the interface timing relationship and test data into test stimulus information matching the test equipment;

Step 6: The device under test makes response information according to the test stimulus information, and feeds the response information back to the FPGA module;

Step 7: Store and display the response information to complete the test.

In step 3, the test command and test interface parameters are sent to the FPGA module through the three-state bus.

In the step 2, according to the IP address of the system itself, whether to execute the test sequence is judged by the running operating system and related application programs.

The FPGA module collects response information through a specific interface according to the interface protocol, and stores the response information in the storage module.

As shown in Figure 2, it is a test system of a software configuration item according to the present invention, including a network interface module 1, a CPU processing module 2, an FPGA module 3, a signal conversion module 4, an interface conversion module 5 and a storage module 6;

The network interface module 1 is used to receive the test sequence sent by the test control terminal;

The CPU processing module 2 is used to receive test sequences, and analyze and schedule the test sequences, generate corresponding test instructions, and configure test interface parameters corresponding to the test instructions;

Described FPGA module 3 produces configuration interface sequence relation and test data according to test interface parameter;

The signal conversion module 4 is used to convert the interface timing relationship and test data into test stimulus information matched with the test equipment;

The interface conversion module 5 is used to feed back the response information that the device under test makes according to the test stimulus information to the FPGA module;

The storage module 6 is used for storing response information.

Described FPGA module 3 collects response information according to interface protocol through specific interface, and stores response information in storage module 6; Described FPGA module 3 sends notification information to CPU processing module 2 simultaneously, and described CPU processing module 2 according to notification The information reads response information from the reading module, and transmits the response information to an external display terminal through the network interface module 1 for display.

The FPGA module 3 transmits the interface timing relationship and test data to the signal conversion module 4 through a common IO interface.

The interface conversion module 5 feeds back the response information to the FPGA module 3 through the external physical interface and the signal conversion module 4 .

The signal conversion module 4 includes a general signal conversion chip, a configurable chip and a PHY chip, and the signal conversion module 4 is configured according to the type of the external bus of the device under test to meet the test requirements.

The interface conversion module 5 configures and selects an interface according to the physical interface of the device under test.

A power supply module 7 is also included, and the power supply module 7 is used for supplying power to the network interface module 1 , the CPU processing module 2 , the FPGA module 3 and the signal conversion module 4 .

As shown in Figure 3, it is a test system of a kind of software configuration item described in Embodiment 1 of the present invention, RJ45 interface 1, CPU processor 2, FPGA programmable configuration device 3, by general signal conversion chip, configurable chip Signal conversion module 4 composed of PHY chip, interface conversion module 5 composed of standard connector and custom connector, storage module 6 composed of DDR, SDRAM and FLASH, and power module 7; RJ45 interface 1 communicates with The CPU processor 2 is connected; the CPU processor 2 communicates with the FPGA programmable configuration device 3 through the Local Bus bus; the GPIO and CLOCK signals drawn by the FPGA programmable configuration device 3 drive the general signal conversion chip, the configurable chip and the PHY The chip forms the signal conversion module 4 to work; the external communication signal of the signal conversion module 4 is composed of a general signal conversion chip, a configurable chip and a PHY chip by the physical interface of the interface conversion module 5 composed of a standard connector and a custom connector. Cross-link communication with the device under test; power supply module 7 to drive and ensure the normal operation of each module; storage module 6 composed of DDR, SDRAM and FLASH is connected to CPU processor 2 and FPGA programmable configuration device 3 through a three-state bus , and provide storage devices for related data.

In the present invention, in conjunction with the topological structure of the distributed test system, the test system receives the sending test task of the test control terminal, and according to the IP address of the test system itself, it is judged by the Linux operating system and related application programs running on the CPU processing module 2 Whether to receive the test task, if the test task sequence is received, the application program will analyze and schedule the test sequence, if it is a direct test task, the test parameters will be transmitted to the FPGA module 3 through the Local Bus, and the programmable program running on the FPGA module 3 The logic program receives the test stimulus and drives the corresponding signal conversion module 4 to work according to the address signal. The output bus signal is interacted with the device under test by the interface conversion module 5 through the physical device, and the device under test generates a test response. And the signal conversion module 4 is collected and temporarily stored by the FPGA module 3, and sent to the CPU processing module 2 through the Local Bus, and the application program packages the test response, and sends it to the corresponding test monitor terminal and test server through the network interface module 1.

The signal conversion module 4 includes two configuration structures: simple general signal conversion and configurable chip + PHY chip; simple general signal conversion module only performs signal conversion, and configurable chip + PHY chip is used to generate a specific standard communication protocol. It can also freely configure and expand according to the external interface of the tested software configuration item.

The signal conversion module 5 selects a corresponding matching standard physical connection or a custom physical connector from the external physical interface expression form of the software configuration item actually tested.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. a kind of test method of software configuration item, it is characterised in that specifically include following steps：

Step 1：Receive the cycle tests that testing and control terminal is sent；

Step 2：Judge whether to perform cycle tests, if so, performing step 3；Otherwise, terminate；

Step 3：Cycle tests is parsed and is dispatched, generates corresponding test instruction, configures the test of corresponding test instruction Interface parameters；

Step 4：FPGA module produces configuration interface sequence relation and test data according to test interface parameter；

Step 5：It is the test and excitation information to match with test equipment by interface sequence relation and test data conversion；

Step 6：Equipment under test responds information according to test and excitation information, and response message is fed back to FPGA module；

Step 7：Store and show response message, complete test.

2. the test method of a kind of software configuration item according to claim 1, it is characterised in that pass through tri-state in step 3 Bus will test instruction and test interface parameter is sent to FPGA module.

3. the test method of a kind of software configuration item according to claim 1, it is characterised in that the FPGA module passes through Specific interface gathers response message according to interface protocol, and response message is stored in memory module.

4. the test system of a kind of software configuration item, it is characterised in that including Network Interface Module, CPU processing modules, FPGA moulds Block, signal conversion module, interface modular converter and memory module；

The Network Interface Module is used for the cycle tests for receiving the transmission of testing and control terminal；

The CPU processing modules are used to receive cycle tests, and cycle tests is parsed and dispatched, and generate corresponding test Instruction, configures the test interface parameter of corresponding test instruction；

The FPGA module produces configuration interface sequence relation and test data according to test interface parameter；

The signal conversion module is for being the test to match with test equipment by interface sequence relation and test data conversion Excitation information；

The interface modular converter is used to equipment under test feeding back to FPGA moulds according to the response message that test and excitation information is made Block；

The memory module is used for memory response information.

5. the test system of a kind of software configuration item according to claim 4, it is characterised in that the FPGA module passes through Specific interface gathers response message according to interface protocol, and response message is stored in memory module；The FPGA module is same When send notification information arrive CPU processing modules, the CPU processing modules according to notification information to read module read response believes Breath, and response message is transferred to exterior display end by Network Interface Module and is shown.

6. the test system of a kind of software configuration item according to claim 4, it is characterised in that the FPGA module passes through Interface sequence relation and test data are delivered to signal conversion module by I/O interface.

A kind of 7. test system of software configuration item according to claim 4, it is characterised in that the interface modular converter Response message is fed back into FPGA module by external physical interfaces and signal conversion module.

A kind of 8. test system of software configuration item according to claim 4, it is characterised in that the signal conversion module Including universal signal conversion chip, configurable chip and PHY chip, the signal conversion module is according to equipment under test external bus Type is configured, to meet to test needs.

A kind of 9. test system of software configuration item according to claim 4, it is characterised in that the interface modular converter Configuration selection interface is carried out according to the physical interface of equipment under test.

10. according to a kind of test system of software configuration item of claim 4-9 any one of them, it is characterised in that further include Power module, the power module are used to supply for Network Interface Module, CPU processing modules, FPGA module and signal conversion module Electricity.