CN112732551A - Automatic test method and system for radio frequency indexes - Google Patents
Automatic test method and system for radio frequency indexes Download PDFInfo
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Abstract
The invention provides a radio frequency index automatic test method and a system, wherein the method comprises the following steps: the main control computer searches an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index for testing the equipment to be tested and the attribute of the instrument; searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process. The invention realizes the compatibility of various types of test instruments and equipment and improves the automation degree of testing the radio frequency indexes.
Description
Technical Field
The invention relates to the technical field of automatic testing, in particular to a radio frequency index automatic testing method and system.
Background
With the development of information technology, the types of products are more and more, and the quality requirements on the products are higher and higher. Therefore, the product testing is of great significance.
In the traditional radio frequency index test, a tester adopts a test instrument or an auxiliary tool to perform manual test, and analyzes a test result through experience.
In order to improve the testing efficiency, an automatic testing method for radio frequency indexes is generated. The method is characterized in that a test case is compiled on a computer, and a product is tested through the test case. The automatic testing method has the following characteristics: 1. the product test standard can be unified, the human error in the test process is reduced, and the access threshold of a tester is reduced; 2. the high-efficiency utilization of the resources of the test instrument can be realized; 3. the testing efficiency is high; 4. the tracking management and control of the product quality can be realized by processing the test data. However, due to the wide variety of test instruments and devices to be tested, the automatic test method for radio frequency indexes is difficult to be compatible with various types of test instruments and different types of devices to be tested.
Disclosure of Invention
The invention provides a radio frequency index automatic test method and a radio frequency index automatic test system, which are used for solving the problem that various types of test instruments and equipment to be tested are difficult to be compatible in the prior art and realizing the improvement of the automation degree and universality of the radio frequency index test.
The invention provides a radio frequency index automatic test method, which comprises the following steps:
the main control computer searches an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index for testing the equipment to be tested and the attribute of the instrument; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset;
searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset;
controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
According to the automatic testing method for the radio frequency index, provided by the invention, the attribute of the instrument comprises the type, the manufacturer and the model of the instrument;
correspondingly, the searching for the instrument instruction function corresponding to the instrument in the pre-constructed instrument instruction library according to the radio frequency index for testing the device to be tested and the attribute of the instrument includes:
searching a meter instruction function corresponding to the type of the meter from the meter instruction library according to the type of the meter;
according to the instrument instruction function corresponding to the type of the instrument, the instrument instruction function corresponding to the instrument manufacturer is searched from the instrument instruction functions corresponding to the type of the instrument;
and searching the instrument instruction function corresponding to the model of the instrument from the instrument instruction functions corresponding to the manufacturers of the instruments according to the model of the instrument.
The automatic radio frequency index testing method provided by the invention further comprises the following steps:
searching a meter instruction function corresponding to the model of the meter to be added in the meter instruction library;
and if the search result is empty, adding the instrument instruction function corresponding to the model of the instrument to be added into the instrument instruction library and the instrument instruction function corresponding to the manufacturer to which the model of the instrument to be added belongs.
According to the automatic test method for the radio frequency index provided by the invention, the instrument is controlled to test the radio frequency index according to the SCPI in the instrument instruction function corresponding to the instrument according to the instrument instruction function, and the method comprises the following steps:
copying an instrument instruction function corresponding to the instrument and a communication protocol instruction function corresponding to the equipment to be tested to corresponding positions in a pre-established engineering file;
compiling the engineering file copied with the instrument instruction function and the communication protocol instruction function to obtain a library file corresponding to the radio frequency index;
and calling a library file corresponding to the radio frequency index to test the radio frequency index.
According to the method for automatically testing the radio frequency index provided by the invention, the engineering file copied with the instrument instruction function and the communication protocol instruction function is compiled to obtain the library file corresponding to the radio frequency index, and then the method further comprises the following steps:
adding the library file corresponding to the radio frequency index into a radio frequency index library;
correspondingly, the searching for the instrument instruction function corresponding to the instrument in the pre-constructed instrument instruction library according to the radio frequency index for testing the device to be tested and the attribute of the instrument includes:
searching a library file corresponding to the radio frequency index of the equipment to be tested from the radio frequency index library;
and if the library file is not found, searching an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index and the attribute of the instrument for testing the equipment to be tested.
According to the method for automatically testing the radio frequency index provided by the invention, the library file corresponding to the radio frequency index of the device to be tested is searched from the radio frequency index library, and then the method further comprises the following steps:
and if the library file is found, calling the found library file to test the radio frequency index.
According to the automatic testing method for the radio frequency index provided by the invention, the step of calling the library file corresponding to the radio frequency index to test the radio frequency index comprises the following steps:
if the test item file for testing the radio frequency index does not exist, editing a pre-constructed test item template to obtain the test item file;
acquiring the radio frequency index and the configuration parameter of the library file corresponding to the radio frequency index from the test project file;
and transmitting the configuration parameters into a library file corresponding to the radio frequency index, and calling the library file to test the radio frequency index.
The invention also provides a radio frequency index automatic test system, which comprises:
the first searching module is used for searching an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library by the main control computer according to the radio frequency index and the attribute of the instrument for testing the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset;
the second searching module is used for searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset;
the test module is used for controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the computer program to realize the steps of any one of the radio frequency index automatic test methods.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for automated testing of radio frequency indicators as described in any of the above.
According to the automatic testing method and system for the radio frequency indexes, provided by the invention, the instrument instruction functions corresponding to various types of instruments and the communication protocol instruction functions corresponding to various types of equipment to be tested can be quickly found according to the attributes of the instruments, the attributes of the equipment to be tested and the radio frequency indexes, so that the compatibility of various types of instruments and equipment to be tested is realized, the communication protocol of the equipment to be tested and the main control computer can be automatically controlled according to the communication protocol instruction functions, the instruments are automatically controlled to test the radio frequency indexes according to the instrument instruction functions, and the automation degree of testing the radio frequency indexes is improved.
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In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of an automated RF indicator testing method according to the present invention;
FIG. 2 is a schematic flow chart illustrating data frame encapsulation in the method for automatically testing radio frequency indicator according to the present invention;
FIG. 3 is a schematic view illustrating a data frame parsing process in the automatic RF indicator testing method according to the present invention;
FIG. 4 is a schematic view illustrating a process of monitoring object frame encapsulation in the method for automatically testing radio frequency indicator according to the present invention;
FIG. 5 is a schematic view illustrating a process of analyzing frames of a monitored object in the method for automatically testing radio frequency indicator according to the present invention;
FIG. 6 is a schematic diagram illustrating a flow of command header frame encapsulation in the method for automated testing of RF indicators according to the present invention;
FIG. 7 is a schematic diagram illustrating a command frame encapsulation process in the method for automated testing of RF indicators according to the present invention;
FIG. 8 is a schematic flow chart illustrating the packaging of a complete data frame in the automatic RF indicator testing method according to the present invention;
FIG. 9 is a schematic flow chart illustrating the communication protocol instruction function search in the method for automatically testing radio frequency indicator according to the present invention;
FIG. 10 is a schematic diagram of a hardware structure in the method for automatically testing RF indicator according to the present invention;
FIG. 11 is a schematic structural diagram of an instrument instruction library in the method for automatically testing radio frequency indicators according to the present invention;
FIG. 12 is a schematic structural diagram of software in the method for automatically testing radio frequency indicator according to the present invention;
FIG. 13 is a schematic structural diagram illustrating the functions of a test control system in the automatic RF indicator testing method according to the present invention;
FIG. 14 is a schematic structural diagram of an automated RF indicator testing system according to the present invention;
fig. 15 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes an automatic testing method for radio frequency indexes according to the present invention with reference to fig. 1, including: step 101, a main control computer searches an instrument instruction function corresponding to an instrument in a pre-constructed instrument instruction library according to a radio frequency index for testing equipment to be tested and the attribute of the instrument; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset;
the device to be tested can be repeater equipment or a radio frequency module and the like, and the number of the devices to be tested can be one or more. The number of the radio frequency indexes and the meters for testing the device to be tested can be one or more. The implementation is not limited to the type and number of devices under test, nor to the number of meters and radio frequency targets. And instructions which need to be executed by the instrument when the radio frequency index is tested are packaged in the instrument instruction function corresponding to the instrument.
According to the type of the instrument, a plurality of instrument instruction functions are packaged in the instrument instruction library, and each instrument instruction function is packaged with a corresponding instruction. By searching in the instrument instruction library, the instrument instruction function corresponding to each type of instrument can be obtained. Through the corresponding relation between the radio frequency index and the instrument instruction function, the instrument instruction function corresponding to the instrument can be found in the plurality of instrument instruction functions. The instrument instruction library is packaged with instrument instruction functions corresponding to instruments of different manufacturers and different models. That is, different instruments of different manufacturers and different models can share one instrument instruction library. According to the radio frequency index and the attribute of the instrument, the instrument instruction function corresponding to the instrument of any model can be quickly searched. In addition, the instrument instruction library can be expanded according to actual requirements.
specifically, the automated test platform and the devices to be tested interact in the form of data packets, and the devices to be tested of each operator transmit and receive data through a corresponding data packet format, i.e., a communication protocol. For example, repeater equipment communicates according to a mobile protocol, and a radio frequency module communicates according to an RS485 protocol. The classification of monitoring parameters defined by various communication protocols is inconsistent, the types, conversion modes, storage modes and the like of transmitted data are different, and the formats of transmitted data frames are also different. In order to unify the differences, communication protocol instruction functions corresponding to different operators and different types of equipment to be tested are packaged in a communication protocol library. The communication protocol library can complete the functions of data frame encapsulation, data frame analysis, protocol frame judgment, monitoring object frame encapsulation, monitoring object frame analysis and the like according to the protocol specification, and outputs corresponding results. Fig. 2 and fig. 3 are schematic flow charts of data frame encapsulation and data frame parsing, respectively. The communication protocol library can package original parameters transmitted from the outside into data frames conforming to the corresponding protocol specification according to the protocol specification and output the data frames; the communication protocol library can also analyze the original data frame transmitted from the outside into a parameter list form and output the parameter list form. Fig. 4 and 5 are schematic flow diagrams of monitoring object frame encapsulation and monitoring object frame parsing, respectively. The complete command packet consists of a start flag unit, a command unit, a CRC check unit and an end flag unit. The data frame encapsulation includes command header frame encapsulation, command body frame encapsulation, and complete data frame encapsulation, and fig. 6, fig. 7, and fig. 8 are schematic diagrams illustrating the flow of command header frame encapsulation, command body frame encapsulation, and complete data frame encapsulation.
The communication protocol library encapsulates the detail content of the protocol layer, so that the automatic test platform and the protocol layer are isolated and shielded, namely, when the automatic test platform frames, deframes and judges data, necessary data and related information are transmitted to the communication protocol library according to a uniform access form, and the communication protocol library can complete the functions of framing, deframing and judging the data. The automated testing platform can complete the processing of the data by accessing the communication protocol library without processing the data according to the relevant protocol specification and definition. The communication protocol library enables the automated testing platform to transparently invoke and access the protocol layer. When the test platform calls any communication protocol instruction function, the corresponding communication protocol instruction function can be directly searched in the communication protocol library. And the communication protocol library can be compatible with various communication protocol instruction functions, including communication protocol instruction functions corresponding to different operators or different types of equipment to be tested. In addition, the communication protocol library also has expansibility. Each communication protocol instruction function independently forms a communication protocol unit, and scheduling management and dispatch of each communication protocol unit can be realized by searching in a communication protocol library. The specific function of each communication protocol is realized by encapsulating each communication protocol unit, and the communication protocol units are kept completely independent, so that the communication protocol library is conveniently expanded. A flow diagram of the communication protocol instruction function lookup is shown in fig. 9.
103, controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
The instrument instruction function corresponding to the instrument is packaged with a corresponding SCPI (Standard Commands for Programmable Instruments). And controlling the instrument to execute corresponding SCPI according to the instrument instruction function corresponding to the instrument so that the instrument tests the radio frequency index. As shown in fig. 10, the meter and the device under test are connected by a radio frequency test line. In the test process, the equipment to be tested and the main control computer interact through a communication protocol in a communication protocol instruction function. The result of testing the radio frequency index can be obtained by analyzing the test result generated by the interaction of the instrument and the equipment to be tested.
According to the embodiment, the instrument instruction functions corresponding to various types of instruments and the communication protocol instruction functions corresponding to various types of equipment to be tested can be quickly found according to the attributes of the instruments, the attributes of the equipment to be tested and the radio frequency indexes, compatibility of various types of instruments and equipment to be tested is achieved, the communication protocol of the equipment to be tested and the main control computer can be automatically controlled according to the communication protocol instruction functions, the instruments are automatically controlled to test the radio frequency indexes according to the instrument instruction functions, and the degree of automation of testing the radio frequency indexes is improved.
On the basis of the above embodiment, the attributes of the meter in this embodiment include the type, manufacturer, and model of the meter; correspondingly, according to the radio frequency index and the attribute of the instrument for testing the device to be tested, the instrument instruction function corresponding to the instrument is searched in a pre-constructed instrument instruction library, and the method comprises the following steps: searching a meter instruction function corresponding to the type of the meter from a meter instruction library according to the type of the meter; searching an instrument instruction function corresponding to the instrument manufacturer from instrument instruction functions corresponding to the instrument types according to the instrument manufacturer; and searching the instrument instruction function corresponding to the model of the instrument from the instrument instruction functions corresponding to the manufacturers of the instruments according to the model of the instrument.
Specifically, at present, the meters of mainstream manufacturers support SCPI, and the content of SCPI of the meters of the same manufacturer is basically consistent. The SCPI content varies from manufacturer to manufacturer. For example, the spectrometer sets a command with a center frequency of 900MHz, the SCPI content of the spectrometer from Agilent is ": FREQ: CENT 900MHz", and the SCPI content from Roder and Schwarz is "CF 900 MHz". As shown in fig. 11, the SCPI of each meter is extracted and encapsulated in a meter instruction function. And according to the type, manufacturer and model of the instrument, the instrument instruction function of each instrument can be packaged in an instrument instruction library in a hierarchical construction mode. Each level of instrument instruction function comprises a next level of instrument instruction function, and all instrument instruction functions of the next level can be found through each level of instrument instruction function. For example, an agilent spectrometer has an instrument command function a, and the upper stage spectrometer also has an instrument command function a.
The instrument instruction library is compatible with instrument instruction functions corresponding to instruments of different types, different manufacturers and different models. By searching the instrument instruction library step by step, the instrument instruction function corresponding to any instrument in the instrument instruction library can be quickly searched. The instruments of different types, different manufacturers or different models can be controlled by calling the instrument instruction function of each instrument in the instrument instruction library.
In addition, the device to be tested may also encapsulate the communication protocol instruction function corresponding to each device to be tested in the communication protocol library according to the above hierarchical construction manner. Any device to be tested can also search the communication protocol instruction function corresponding to the device to be tested from the communication protocol instruction library according to the searching method.
On the basis of the above embodiment, the present embodiment further includes: searching an instrument instruction function corresponding to the model of the instrument to be added in an instrument instruction library; and if the search result is empty, adding the instrument instruction function corresponding to the model of the instrument to be added into the instrument instruction library and the instrument instruction function corresponding to the manufacturer to which the model of the instrument to be added belongs.
Specifically, the instrument instruction function corresponding to the model of the instrument to be added can be added in the instrument instruction library constructed in advance, so that the instrument instruction library is enriched. The meter instruction function corresponding to the model of the meter to be added may or may not exist in the meter instruction library. If the instrument instruction function corresponding to any instrument to be added exists in the instrument instruction library, the instrument instruction library is not modified, and the original instrument instruction library is kept unchanged. For example, if the model of any instrument to be added is the new model of the agilent spectrometer, first, whether all instrument instruction functions corresponding to the new model exist in the instrument instruction functions corresponding to the agilent spectrometer is checked. If so, the meter instruction library is not modified.
If the instrument instruction function corresponding to the model of any instrument to be added does not exist in the instrument instruction library, adding the instrument instruction function corresponding to the model of the instrument to be added in the instrument instruction library and the instrument instruction function corresponding to the manufacturer to which the model of the instrument to be added belongs. Through the instrument instruction library constructed in a grading manner, instrument instruction functions corresponding to the instruments can be found quickly, and the instrument instruction library can be expanded. In addition, the instrument instruction functions corresponding to the instruments of each type in the instrument instruction library are independently packaged, so that when the instrument instruction functions corresponding to the types of any instrument are modified, the instrument instruction functions corresponding to the types of other instruments are not affected, and the maintenance is facilitated.
On the basis of the foregoing embodiments, in this embodiment, controlling the meter to test the radio frequency index according to the SCPI in the meter instruction function according to the meter instruction function corresponding to the meter includes: copying an instrument instruction function corresponding to the instrument and a communication protocol instruction function corresponding to the equipment to be tested to corresponding positions in a pre-established engineering file; compiling the engineering file copied with the instrument instruction function and the communication protocol instruction function to obtain a library file corresponding to the radio frequency index; and calling a library file corresponding to the radio frequency index to test the radio frequency index.
Specifically, all the radio frequency indexes have the same part, such as input parameter processing, instrument connection, equipment connection, test result output and the like, and the different parts are an instrument instruction function corresponding to the instrument and a communication protocol instruction function corresponding to the equipment to be tested. The pre-created project file may be created using Microsoft Visual C #2010 development software, and the present embodiment is not limited to the type of development software. The pre-created engineering files may be of the csproj type. The pre-created project file contains program codes of parts with the same radio frequency indexes. And copying an instrument instruction function corresponding to the instrument and a communication protocol instruction function corresponding to the equipment to be tested to corresponding positions of a pre-created engineering file to generate an engineering file corresponding to the radio frequency index, and compiling to generate a library file corresponding to the radio frequency index. Each radio frequency index can generate a corresponding library file according to the method.
For example, a "maximum gain" rf indicator is created, and the rf indicator is tested by: a, setting a repeater radio frequency switch to be turned on; b, setting the center frequency of a frequency spectrograph to be 900 MHz; c, setting the output frequency of the signal source to be 900 MHz; d, setting the output signal size of the signal source to be-30 dBm; and e, acquiring the power value read by the frequency instrument. The center frequency of the frequency spectrograph, the output frequency of the signal source and the like are configured in an instrument instruction function corresponding to the instrument. First, an engineering file is generated and named as MaxGain. The present embodiment is not limited to this manner of naming. And copying an instrument instruction function corresponding to the instrument and a communication protocol instruction function corresponding to the equipment to be tested to corresponding positions of the engineering file. In addition, other contents, such as description information of a communication protocol instruction function and an instrument instruction function, time delay of an instrument and equipment to be tested and the like, can be added in the engineering file. The content in the engineering file can be added or modified according to actual requirements. And finally compiling the MaxGain.csproj file to generate a library file MaxGain.dll corresponding to the radio frequency index.
The radio frequency indexes of the equipment to be tested have a plurality of different types, the same radio frequency index of the equipment to be tested of different types has different testing methods, and even when the same radio frequency index of the equipment to be tested is tested by instruments of the same type and different types, the testing methods are different. The reason for the differences in these test methods is that different control methods are adopted for the meter and the device under test. In this embodiment, the instrument is controlled according to the SCPI in the instrument instruction function, and the device to be tested is controlled according to the communication protocol in the communication protocol instruction function. The tester only needs to clear the testing steps, search the corresponding instrument instruction function in the instrument instruction library, and search the corresponding communication protocol instruction function in the communication protocol library, so that the library file corresponding to the radio frequency index can be created.
The automatic test platform provides a corresponding radio frequency index development function, and can generate engineering files under a specified directory, wherein the engineering files have a common program framework of radio frequency indexes. The communication protocol instruction function and the instrument instruction function are copied to the designated position of the engineering file, and the engineering file is compiled to generate a library file corresponding to the radio frequency index. And calling the library file corresponding to the radio frequency index to test the radio frequency index. When the test item is incomplete, the test item can be developed even if the tester does not have the software development capability.
By the method, the automatic test system has a secondary development function, and ordinary testers can complete the development of radio frequency indexes. And each radio frequency index corresponds to one library file, and when the library file corresponding to any radio frequency index is modified, the library files corresponding to other radio frequency indexes are not affected. The method and the device can improve the creating efficiency of the test project, are beneficial to the maintenance of the automatic test system, and reduce the maintenance and operation cost of the automatic test system.
On the basis of the foregoing embodiment, in this embodiment, the compiling is performed on the engineering file copied with the instrument instruction function and the communication protocol instruction function to obtain the library file corresponding to the radio frequency index, and then the method further includes: adding a library file corresponding to the radio frequency index into a radio frequency index library; correspondingly, according to the radio frequency index and the attribute of the instrument for testing the device to be tested, the instrument instruction function corresponding to the instrument is searched in a pre-constructed instrument instruction library, and the method comprises the following steps: searching a library file corresponding to the radio frequency index of the equipment to be tested from a radio frequency index library; and if the library file is not searched, searching an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index and the attribute of the instrument for testing the equipment to be tested.
Specifically, after a library file corresponding to any radio frequency index is created, the library file corresponding to the radio frequency index is stored in a radio frequency index library, so that the library file corresponding to the radio frequency index can be reused. When any radio frequency index of any device to be tested is tested, a library file corresponding to the radio frequency index can be searched in a radio frequency index library. If not, copying a communication protocol instruction function corresponding to the equipment to be tested and an instrument instruction function corresponding to the instrument to a specified position of a pre-constructed engineering file, compiling the engineering file, and generating a library file corresponding to the radio frequency index.
On the basis of the foregoing embodiment, in this embodiment, a library file corresponding to a radio frequency index of a device to be tested is searched from a radio frequency index library, and then the method further includes:
and if the library file is found, calling the found library file to test the radio frequency index.
Specifically, if the library file corresponding to any one of the radio frequency indexes is found in the radio frequency index library, the library file corresponding to the radio frequency index is directly called from the radio frequency index library to test the radio frequency index. By the method, the radio frequency index can be tested quickly, time for creating the library file is saved, and testing efficiency is improved.
On the basis of the foregoing embodiment, the invoking a library file corresponding to a radio frequency index to test the radio frequency index in this embodiment includes: if the test item file for testing the radio frequency index does not exist, editing a pre-constructed test item template to obtain the test item file; acquiring radio frequency indexes and configuration parameters of library files corresponding to the radio frequency indexes from the test project files; and transmitting the configuration parameters into a library file corresponding to the radio frequency index, and calling the library file to test the radio frequency index.
Specifically, before the radio frequency index is tested, a test item file for testing the radio frequency index can be searched in the test item library. If the test item file does not exist. The pre-built test item template may be added, modified or deleted to obtain the test item file. The test item file may be an xml type file. The following is a structural schematic of the elements in the test project file:
the element structure can also be changed according to actual requirements, and names of elements in the test project file can be named according to the actual requirements. For example, an element describing the name of a Test item may be named TestProject, an element describing the Version of the Test item may be named Version, a Variable set element may be named VariableSet, a Variable element may be named Variable, a primary Test link element may be named Task, a secondary Test link element may be named Step, an assignment element may be named Evaluate, a Test element may be named Test, a Parameter element may be named Parameter, a theoretical value element may be named Theotendilue, a prompt element may be named Alert, etc. The test item management interface presents the test item file in a tree structure, and creates and modifies the content of the test item file, namely, adds, modifies or deletes elements in the test item file.
For example, if a form prompt message (corresponding element Alert) needs to be added to "downlink 1" (corresponding element Step), a mouse can be used to click "downlink 1", and a node "line change reminder" is added in the form of a right-click menu, an element Alert is generated under the element Step corresponding to the test item file, and the information content can be transmitted through the attribute of the Alert element. If a radio frequency index of nominal maximum output power (corresponding element Test) needs to be added in a downlink 1 (corresponding element Step), a mouse can be used for clicking the downlink 1, a right-click menu pops up all radio frequency index lists which can be selected, a radio frequency index item of the nominal maximum output power is selected, an element Test is generated under the element Step corresponding to a Test item file, a Parameter element and a theractical value element are automatically added under the Test element, and configuration parameters of a library file corresponding to the radio frequency index can be transmitted through the Parameter element and the theractical value element.
And if a test item file for testing the radio frequency index is searched in the test item library, or a pre-constructed test item template is edited to obtain the test item file, starting to test the radio frequency index. Firstly, reading a test project file, traversing each element in the test project file, and acquiring each radio frequency index and configuration parameters of a library file corresponding to the radio frequency index. And then, calling a library file corresponding to the radio frequency index from the radio frequency index library, transmitting the configuration parameters into the library file, and testing the radio frequency index. Finally, the test result will generate a piece of test data according to the format of the test item template. For example, when the Alert element is traversed, the Test is suspended and the prompt information is popped up, and when the Test element is traversed, the library file corresponding to the corresponding radio frequency index is called to Test the radio frequency index.
Generally, the development work of a test project is relatively heavy, a test project template is provided in an automatic test platform, and a test flow part is developed by using a descriptive language and is popular and easy to understand; meanwhile, a graphical code generation function is adopted, corresponding codes can be added through mouse clicking, the development of a test flow is further simplified, and a test project file can be quickly created through editing a pre-constructed test project template. The difficulty of creating the test project file is reduced, and the efficiency of creating the test project file is improved. In addition, the test project template can be created according to actual requirements; or selecting the existing test item template from the test item template library; the currently opened test item template can be edited and saved as a new test item template.
As shown in fig. 12, the automated test platform includes a test control system and an instrument management system. Wherein, the index test library manages the radio frequency index library. The test control system manages the radio frequency index library, and activates and hangs the radio frequency index library on the soft bus during testing; the instrument management system manages the instrument driver library and is responsible for hanging the activation of the instrument driver library on the soft bus. The modules hung on the soft bus can communicate with each other to realize data exchange. The automatic test platform in the embodiment is composed of a test control system and an instrument management system, and the test control system is mainly responsible for development and execution of test projects. The instrument management system is responsible for managing the instrument instruction library. The test control system is a core module in an automatic test platform and is mainly responsible for development and execution of test projects and management of a radio frequency index library. Fig. 13 is a functional block diagram of the test control system. When a communication protocol instruction function corresponding to the device to be tested is newly added in the communication protocol library, an instrument instruction function corresponding to a newly added model in the instrument instruction library or a library file corresponding to a newly added radio frequency index in the radio frequency index library, the automatic test platform can be quickly added and activated, and the expansibility is strong.
The following describes the radio frequency index automatic test system provided by the present invention, and the radio frequency index automatic test system described below and the radio frequency index automatic test method described above may be referred to in correspondence with each other.
An automated radio frequency indicator testing system is described as shown in fig. 14, and comprises a first lookup module 1401, a second lookup module 1402 and a testing module 1403, wherein:
the first searching module 1401 is used for the main control computer to search the instrument instruction function corresponding to the instrument in the pre-constructed instrument instruction library according to the radio frequency index and the attribute of the instrument for testing the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset;
the device to be tested can be repeater equipment or a radio frequency module and the like, and the number of the devices to be tested can be one or more. The number of the radio frequency indexes and the meters for testing the device to be tested can be one or more. The implementation is not limited to the type and number of devices under test, nor to the number of meters and radio frequency targets. And instructions which need to be executed by the instrument when the radio frequency index is tested are packaged in the instrument instruction function corresponding to the instrument.
According to the type of the instrument, a plurality of instrument instruction functions are packaged in the instrument instruction library, and each instrument instruction function is packaged with a corresponding instruction. By searching in the instrument instruction library, the instrument instruction function corresponding to each type of instrument can be obtained. Through the corresponding relation between the radio frequency index and the instrument instruction function, the instrument instruction function corresponding to the instrument can be found in the plurality of instrument instruction functions. The instrument instruction library is packaged with instrument instruction functions corresponding to instruments of different manufacturers and different models. That is, different instruments of different manufacturers and different models can share one instrument instruction library. According to the radio frequency index and the attribute of the instrument, the instrument instruction function corresponding to the instrument of any model can be quickly searched. In addition, the instrument instruction library can be expanded according to actual requirements.
The second searching module 1402 is configured to search, according to the radio frequency index and the attribute of the device to be tested, a communication protocol instruction function corresponding to the device to be tested in a pre-established communication protocol library; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset;
specifically, the automated test platform and the devices to be tested interact in the form of data packets, and the devices to be tested of each operator transmit and receive data through a corresponding data packet format, i.e., a communication protocol. The classification of monitoring parameters defined by various communication protocols is inconsistent, the types, conversion modes, storage modes and the like of transmitted data are different, and the formats of transmitted data frames are also different. In order to unify the differences, communication protocol instruction functions corresponding to different operators and different types of equipment to be tested are packaged in a communication protocol library. The communication protocol library can complete the functions of data frame encapsulation, data frame analysis, protocol frame judgment, monitoring object frame encapsulation, monitoring object frame analysis and the like according to the protocol specification, and outputs corresponding results. Fig. 2 and fig. 3 are schematic flow charts of data frame encapsulation and data frame parsing, respectively. The communication protocol library can package original parameters transmitted from the outside into data frames conforming to the corresponding protocol specification according to the protocol specification and output the data frames; the communication protocol library can also analyze the original data frame transmitted from the outside into a parameter list form and output the parameter list form. Fig. 4 and 5 are monitoring object frame encapsulation and monitoring object frame parsing, respectively. The complete command packet consists of a start flag unit, a command unit, a CRC check unit and an end flag unit. The data frame encapsulation includes command header frame encapsulation, command body frame encapsulation, and complete data frame encapsulation, and fig. 6, fig. 7, and fig. 8 are schematic diagrams illustrating the flow of command header frame encapsulation, command body frame encapsulation, and complete data frame encapsulation.
The communication protocol library encapsulates the detail content of the protocol layer, so that the automatic test platform and the protocol layer are isolated and shielded, namely, when the automatic test platform frames, deframes and judges data, necessary data and related information are transmitted to the communication protocol library according to a uniform access form, and the communication protocol library can complete the functions of framing, deframing and judging the data. The automated testing platform can complete the processing of the data by accessing the communication protocol library without processing the data according to the relevant protocol specification and definition. The communication protocol library enables the automated testing platform to transparently invoke and access the protocol layer. When the test platform calls any communication protocol instruction function, the corresponding communication protocol instruction function can be directly searched in the communication protocol library. And the communication protocol library can be compatible with various communication protocol instruction functions, including communication protocol instruction functions corresponding to different operators or different types of equipment to be tested. In addition, the communication protocol library also has expansibility. Each communication protocol instruction function independently forms a communication protocol unit, and scheduling management and dispatch of each communication protocol unit can be realized by searching in a communication protocol library. The specific function of each communication protocol is realized by encapsulating each communication protocol unit, and the communication protocol units are kept completely independent, so that the communication protocol library is conveniently expanded. A flow diagram of the communication protocol instruction function lookup is shown in fig. 9.
The test module 1403 is used for controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
And the corresponding SCPI is packaged in the instrument instruction function corresponding to the instrument. And controlling the instrument to execute corresponding SCPI according to the instrument instruction function corresponding to the instrument so that the instrument tests the radio frequency index. As shown in fig. 10, the meter and the device under test are connected by a radio frequency test line. In the test process, the equipment to be tested and the main control computer interact through a communication protocol in a communication protocol instruction function. The result of testing the radio frequency index can be obtained by analyzing the test result generated by the interaction of the instrument and the equipment to be tested.
According to the embodiment, the instrument instruction functions corresponding to various types of instruments and the communication protocol instruction functions corresponding to various types of equipment to be tested can be quickly found according to the attributes of the instruments, the attributes of the equipment to be tested and the radio frequency indexes, compatibility of various types of instruments and equipment to be tested is achieved, the communication protocol of the equipment to be tested and the main control computer can be automatically controlled according to the communication protocol instruction functions, the instruments are automatically controlled to test the radio frequency indexes according to the instrument instruction functions, and the degree of automation of testing the radio frequency indexes is improved.
Fig. 15 illustrates a physical structure diagram of an electronic device, and as shown in fig. 15, the electronic device may include: a processor (processor)1501, a communication Interface (Communications Interface)1502, a memory (memory)1503 and a communication bus 1504, wherein the processor 1501, the communication Interface 1502 and the memory 1503 communicate with each other via the communication bus 1504. The processor 1501 may call the logic instructions in the memory 1503 to execute the radio frequency indicator automation test method, which includes: the main control computer searches an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index for testing the equipment to be tested and the attribute of the instrument; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset; searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset; controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
In addition, the logic instructions in the memory 1503 can be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer readable storage medium, the computer program includes program instructions, when the program instructions are executed by a computer, the computer can execute the radio frequency indicator automatic testing method provided by the above methods, the method includes: the main control computer searches an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index for testing the equipment to be tested and the attribute of the instrument; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset; searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset; controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
In yet another aspect, the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, the computer program being implemented by a processor to perform the radio frequency indicator automatic testing method provided in the above aspects, the method including: the main control computer searches an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index for testing the equipment to be tested and the attribute of the instrument; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset; searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset; controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
The above-described system embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods of the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic test method for radio frequency indexes is characterized by comprising the following steps:
the main control computer searches an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index for testing the equipment to be tested and the attribute of the instrument; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset;
searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset;
controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
2. The automated radio frequency indicator testing method of claim 1, wherein the attributes of the meter include a type, a manufacturer, and a model of the meter;
correspondingly, the searching for the instrument instruction function corresponding to the instrument in the pre-constructed instrument instruction library according to the radio frequency index for testing the device to be tested and the attribute of the instrument includes:
searching a meter instruction function corresponding to the type of the meter from the meter instruction library according to the type of the meter;
according to the instrument instruction function corresponding to the type of the instrument, the instrument instruction function corresponding to the instrument manufacturer is searched from the instrument instruction functions corresponding to the type of the instrument;
and searching the instrument instruction function corresponding to the model of the instrument from the instrument instruction functions corresponding to the manufacturers of the instruments according to the model of the instrument.
3. The automated radio frequency indicator testing method of claim 2, further comprising:
searching a meter instruction function corresponding to the model of the meter to be added in the meter instruction library;
and if the search result is empty, adding the instrument instruction function corresponding to the model of the instrument to be added into the instrument instruction library and the instrument instruction function corresponding to the manufacturer to which the model of the instrument to be added belongs.
4. The method for automatically testing the radio frequency index according to any one of claims 1 to 3, wherein the step of controlling the meter to test the radio frequency index according to the SCPI in the meter instruction function corresponding to the meter according to the meter instruction function comprises the steps of:
copying an instrument instruction function corresponding to the instrument and a communication protocol instruction function corresponding to the equipment to be tested to corresponding positions in a pre-established engineering file;
compiling the engineering file copied with the instrument instruction function and the communication protocol instruction function to obtain a library file corresponding to the radio frequency index;
and calling a library file corresponding to the radio frequency index to test the radio frequency index.
5. The method according to claim 4, wherein the compiling the engineering file copied with the instrument instruction function and the communication protocol instruction function to obtain a library file corresponding to the radio frequency indicator further comprises:
adding the library file corresponding to the radio frequency index into a radio frequency index library;
correspondingly, the searching for the instrument instruction function corresponding to the instrument in the pre-constructed instrument instruction library according to the radio frequency index for testing the device to be tested and the attribute of the instrument includes:
searching a library file corresponding to the radio frequency index of the equipment to be tested from the radio frequency index library;
and if the library file is not found, searching an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library according to the radio frequency index and the attribute of the instrument for testing the equipment to be tested.
6. The method according to claim 5, wherein the step of searching the library file corresponding to the radio frequency index of the device under test from the radio frequency index library further comprises:
and if the library file is found, calling the found library file to test the radio frequency index.
7. The method for automatically testing the radio frequency index according to claim 4, wherein the step of calling the library file corresponding to the radio frequency index to test the radio frequency index comprises the steps of:
if the test item file for testing the radio frequency index does not exist, editing a pre-constructed test item template to obtain the test item file;
acquiring the radio frequency index and the configuration parameter of the library file corresponding to the radio frequency index from the test project file;
and transmitting the configuration parameters into a library file corresponding to the radio frequency index, and calling the library file to test the radio frequency index.
8. An automated radio frequency indicator testing system, comprising:
the first searching module is used for searching an instrument instruction function corresponding to the instrument in a pre-constructed instrument instruction library by the main control computer according to the radio frequency index and the attribute of the instrument for testing the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the instrument and the instrument instruction function is preset;
the second searching module is used for searching a communication protocol instruction function corresponding to the equipment to be tested in a pre-constructed communication protocol library according to the radio frequency index and the attribute of the equipment to be tested; the corresponding relation between the radio frequency index and the attribute of the equipment to be tested and the communication protocol instruction function is preset;
the test module is used for controlling the instrument to test the radio frequency index according to the SCPI in the instrument instruction function according to the instrument instruction function corresponding to the instrument; the communication protocol instruction function is used for controlling the equipment to be tested to communicate with the main control computer according to a communication protocol in the communication protocol instruction function in the testing process.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the steps of the method for automated testing of radio frequency metrics according to any of the claims 1 to 7.
10. A non-transitory computer readable storage medium, having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the radio frequency indicator automated testing method according to any one of claims 1 to 7.
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