CN112882942A - Measuring device and method for software maintainability index of measuring instrument - Google Patents
Measuring device and method for software maintainability index of measuring instrument Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 25
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Abstract
The invention discloses a measuring device and a method for measuring software maintainability indexes of a measuring instrument, wherein the measuring device comprises the following steps: the peripheral simulation platform, the MCU chip connected with the peripheral simulation platform and the upper computer detection computer; the MCU chip provides a software running environment for loading and running the tested software in real time; the upper computer detection computer is used for establishing an interface between a test platform and a tester, and realizing the loading of the tested software, the identification and the identification of a software module, the monitoring of the detection process, the analysis and the evaluation of result record and the output of data; the peripheral simulation platform is used for providing a communication interface between the MCU chip and the peripheral cross-linking equipment, simulating the external characteristics of the peripheral cross-linking equipment in a software running environment, loading excitation data to the tested software in real time, receiving the running output data of the tested software, processing the data of the received external interface, transmitting the data to an upper computer detection computer, and performing result recording analysis and evaluation.
Description
Technical Field
The invention relates to the technical field of software testing, in particular to a measuring device and method for software maintainability index.
Background
At the present stage, intellectualization and networking of a metering device are rapidly developed, software in the intelligent metering device generally comprises legal related programs and other illegal related programs, the legal related programs cannot be changed and maintained, otherwise legal metering is required, and related parts of the legal are required to be stripped during software maintainability evaluation. In the software maintainability evaluation, 2 problems to be solved are to find a maintainability index metric element and to synthesize the metric element and the sub-attribute evaluation into a maintainability attribute and software maintainability, the former is called software maintainability index metric. The modularization degree is an important parameter in maintainability indexes and indicates the support capability of a software and hardware system on module maintenance in the maintenance process, the modularization degree sub-characteristics comprise two measurement indexes of coupling among modules and rationality of a module structure, the coupling degree among the modules and the unreasonable module structure greatly influence the software maintenance, and the maintainability of the software can be improved only by effectively judging and controlling the coupling degree among the modules and the rationality of the module structure in the software, so the coupling degree among the modules and the rationality of the module structure are very important key measurement indexes for measuring the maintainability of the software. In the prior art, the coupling between modules and the rationality information of the module structure of the software to be tested are obtained through manual code static scanning, the manual code static scanning counts the number of modules of the software by checking the design or requirement document of the software, determines the association strength of each module according to definition, and carries out standardized review on the corresponding module according to predefined standards, and in a software maintenance index system, a modularization index is obtained by comprehensively evaluating the coupling between the modules and the irrationality of the module structure in the whole software after measuring.
In the prior art, the coupling degree between modules and the rationality information of the module structure of the software to be tested are generally obtained by manually and statically scanning each module, and then the modularization comprehensive analysis and review in the maintainability quality are carried out, so that the problems of heavy task, large workload, low measurement efficiency and long consumed time in the prior art are obviously existed.
The application provides a to the sub-characteristic index evaluation of modularization degree in measurement utensil software maintainability, provides one kind and can measure the modularization influence fast when evaluating for measurement utensil software, and the software measurement device who carries out the high-order quantity efficiency and reduce work load is the problem that prior art urgently needed to solve.
Disclosure of Invention
In order to solve the defects of the prior art and achieve the purposes of improving the height efficiency and reducing the workload, the invention adopts the following technical scheme:
a metrology instrument software maintainability index measurement apparatus comprising: the peripheral simulation platform, the MCU chip connected with the peripheral simulation platform and the upper computer detection computer;
the MCU chip provides a software running environment for loading and running the tested software in real time;
the upper computer detection computer is used for establishing an interface between a test platform and a tester, and realizing the loading of the tested software, the identification and the identification of a software module, the monitoring of the detection process, the analysis and the evaluation of result record and the output of data;
the peripheral simulation platform is used for providing a communication interface between the MCU chip and the peripheral cross-linking equipment, simulating the external characteristics of the peripheral cross-linking equipment in a software running environment, loading excitation data to the tested software in real time, receiving the running output data of the tested software, processing the data of the received external interface, transmitting the data to an upper computer detection computer, and performing result recording analysis and evaluation.
Furthermore, the upper computer detection computer comprises a module identification and identification module, a detection process monitoring module and a result recording, analyzing and evaluating module, wherein the module identification and identification module is respectively connected with the MCU chip, the detection process monitoring module and the result recording, analyzing and evaluating module;
the module identification and identification module is used for identifying and recording modules of the tested software related to legal measurement, identifying the modules related to the legal measurement, and not counting the coupling degree among the modules and the counting value when the structural rationality index of the modules is measured;
the detection process monitoring module is used for monitoring the software testing and measuring process;
the result recording, analyzing and evaluating module analyzes and reviews software design documents and specifications in software testing and measuring and data of software running process, analyzes, evaluates and counts corresponding coupling degree between modules and module structure rationality index values, and accordingly determines the measurement value.
And the upper computer detection computer is connected with a network card interface of the peripheral simulation platform.
And the upper computer detection computer is connected with the MCU chip through a bus.
Furthermore, the peripheral simulation platform comprises a 3-path serial port data module, an I/O interface module, an SPI/FLASH module, an I2C/EPROM module, a double-port RAM and an ARM chip, wherein the 3-path serial port data module, the I/O interface module, the SPI/FLASH module and the I2C/EPROM module are respectively connected with the MCU chip and the double-port RAM, and the double-port RAM is connected with the ARM chip and the upper computer detection computer.
The MCU chip is connected with the interface of the I/O interface module, the SPI/FLASH module and the I2C/EPROM module through 3 paths of serial port data modules.
Further, the 3-path serial port data module is used for communicating with the MCU chip;
the I/O interface module sets I/O addresses for a data port and a control port of the peripheral cross-linking equipment and determines the input and output relationship between the I/O addresses and the control port;
the SPI/FLASH module is used for transmitting data, and after receiving an ARM programming instruction transmitted by the dual-port RAM, the FLASH controller decodes the received instruction and converts the decoded instruction into a control signal to control a corresponding instruction sub-module in a data receiving module and a data transmitting module of the SPI/FLASH module to transmit and receive data with the MCU chip;
the I2C/EPROM module is used for transmitting data, and the EEPROM controller receives and transmits data with the MCU chip through the I2C interface.
Furthermore, the dual-port RAM comprises a data acquisition dual-port RAM and a test data dual-port RAM, the data acquisition dual-port RAM is used for storing communication data and a detection process monitoring module instruction in the running process of the tested software and transmitting the communication data and the detection process monitoring module instruction to the ARM chip according to the ARM instruction, and the test data dual-port RAM is used for storing the ARM instruction in the running process of the software, providing data for the detection process monitoring module, and transmitting the data to the MCU chip according to the ARM instruction.
The ARM chip is used for controlling the peripheral simulation platform and exchanging protocols and data.
Further, the duplex RAM includes a data buffer area and a data information storage area, the data information buffer area is used for storing data information including start and end addresses of data transmission and reception and a data transmission direction, and the data information storage area is used for storing received addresses and control information.
Further, when transmission is finished or the double-port RAM is fully filled, the EEPROM controller sets data interaction signals including the quantity and the transmission direction of data in the data information cache region, the ARM chip stores the data in the double-port RAM into a memory unit of a DDR3 corresponding address of the ARM chip according to the obtained data interaction signals, when the EEPROM controller sends the data to the MCU chip, the EEPROM controller stores the address received from the MCU chip into the data information storage region and sets the data interaction signals to inform the ARM chip of the starting and ending address and the transmission direction of the data to be transmitted, the ARM chip reads the address information in the data information storage region first, then transfers the data at the corresponding address of the DDR3 of the ARM chip into the double-port RAM of the ARM chip, and finally sends the data to the upper computer detection computer through a data sending module of the ARM chip.
Furthermore, the ARM chip is a control unit and is used for controlling the peripheral simulation platform and transmitting protocols and data, and data interaction of a monitoring process of a detection process in the upper computer detection computer is included.
A measuring method for measuring the maintainability index of the software of a measuring appliance comprises the following steps:
s1, loading the tested software and running the tested software in the software running environment in real time;
s2, identifying and marking the tested software module, analyzing and evaluating the result record, and monitoring the detection process;
and S3, providing communication between the software running environment and the peripheral cross-linking equipment through peripheral simulation, simulating the external characteristics of the peripheral cross-linking equipment in the software running environment, loading excitation data to the tested software in real time, receiving the running output data of the tested software, processing the data of the received external interface, and recording, analyzing and evaluating the result.
Further, in step S2, the modules of the software to be tested related to the legal measurement are identified and recorded, the module identifiers related to the legal measurement are not counted into the coupling degree between the modules and the count value when the module structure rationality index is measured, analysis and evaluation are performed through result recording, analysis and evaluation are performed on the software design documents and specifications in the software testing and measuring process and the data of the software running process, the coupling degree between the corresponding modules and the module structure rationality index value are analyzed, evaluated and counted, so that the metric value is determined, and the software testing and measuring process is monitored through monitoring of the detection process.
The invention has the advantages and beneficial effects that:
in the measuring device for measuring the software maintainability index of the measuring instrument, a peripheral simulation platform simulates an interactive system of the measured measuring instrument, and can carry out function detection and module interface relation and coupling correlation strength in the software running process; the software to be tested in the application runs in a real running environment and interacts with a peripheral simulation platform connected with a system to be tested, and the peripheral simulation platform is connected with and records the output result of the software running through a network card interface; according to the maintenance requirement, the upper computer detects the output result of the analysis and evaluation software operation of the computer, thereby realizing the measurement of the coupling degree between the modules and the rationality index of the module structure.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, a measuring apparatus software maintainability index measuring apparatus includes a software running environment MCU chip, a peripheral simulation platform, and an upper computer detection computer.
The software running environment MCU chip is mainly used for loading and running the tested intelligent electric meter software in real time.
The upper computer detects the module identification and identification function module in the computer to identify and record the module related to legal measurement, and the identification is not included in the coupling degree between the modules and the counting value when the rationality index of the module structure is measured; the detection process monitoring function module monitors the software testing and measuring process; the result recording, analyzing and evaluating function module analyzes and reviews the software design document, the specification and the data of the software running process in the software test and measurement so as to determine the measurement value.
The 3-channel serial port data module in the peripheral simulation platform is used for communicating with the MCU chip, and the I/O interface module sets I/O addresses for a data port and a control port of the peripheral simulation equipment and determines the input-output relationship between the I/O addresses and the control port; the SPI/FLASH module is used for transmitting data, and after receiving the instruction operation data, the FLASH controller decodes the received command data and converts the decoded command data into corresponding control signals to control corresponding instruction sub-modules in the data receiving module and the data sending module; the I2C/EPROM module is used for transmitting data, and the EEPROM controller receives or transmits data through the I2C interface; the data acquisition double-port RAM and the test data double-port RAM are both provided with two areas, one of the two areas is set as a data cache area, the other area is a data information storage area, the data information cache area mainly stores the starting and ending addresses of data receiving and sending, the transmission direction of the data and the like, the address and the control information received by the data receiving module are stored in the data information storage area, the data information is stored in the double-port RAM cache area, when the transmission is finished or the double-port RAM is full, the controller sets data interaction signals in the data cache area, wherein the data interaction signals comprise the quantity and the transmission direction of the data, and then the ARM stores the data in the double-port RAM into a memory unit of a corresponding address of the DDR3 according to the obtained information. When the EEPROM sends data, the EEPROM controller stores the received address into a data information storage area and sets a data interaction signal to inform an ARM of an initial termination address and a transmission direction of the data to be transmitted, an ARM program reads address information in the data information storage area first, then transfers the data under the corresponding DDR3 address to a dual-port RAM, and finally sends the data to a host through a data sending module; the ARM chip is a control unit and is used for controlling the peripheral simulation platform and transmitting protocols and data, and data interaction in a monitoring process of a detection process in the upper computer detection computer is included.
The working principle is as follows: the software running environment MCU chip runs the tested software, the upper computer detects the running test tool on the computer, the module identification and identification function module identifies the module in the tested software, identifies and records the module related to legal measurement, the related information is transmitted to the result recording analysis and evaluation function module, the peripheral simulation platform generates corresponding signals through the corresponding interface, the data is output to the MCU chip, the measured data is transmitted to the peripheral simulation platform through the tested software running on the MCU chip, the peripheral simulation platform receives and processes the data of the external interface, and then transmits the data to the result recording analysis and evaluation function module, and the result recording analysis and evaluation function module analyzes, evaluates and counts the corresponding coupling degree between the modules and the index value of the rationality of the module structure.
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 or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A metrology instrument software maintainability index measurement apparatus comprising: peripheral simulation platform reaches MCU chip and host computer detection computer rather than being connected, its characterized in that:
the MCU chip provides a software running environment for loading and running the tested software in real time;
the upper computer detection computer is used for realizing identification and identification of the software module, monitoring of the detection process and recording, analyzing and evaluating of results;
the peripheral simulation platform is used for providing a communication interface between the MCU chip and the peripheral cross-linking equipment, simulating the external characteristics of the peripheral cross-linking equipment in a software running environment, loading excitation data to the tested software in real time, receiving the running output data of the tested software, processing the data of the received external interface, transmitting the data to an upper computer detection computer, and performing result recording analysis and evaluation.
2. The measuring device of claim 1, wherein the upper computer detection computer comprises a module identification and identification module, a detection process monitoring module and a result recording, analyzing and evaluating module, the module identification and identification module is respectively connected with the MCU chip, the detection process monitoring module and the result recording, analyzing and evaluating module, the detection process monitoring module is respectively connected with the result recording, analyzing and evaluating module and the peripheral simulation platform, and the result recording, analyzing and evaluating module is connected with the peripheral simulation platform;
the module identification and identification module is used for identifying and recording modules of the tested software related to legal measurement, identifying the modules related to the legal measurement, and not counting the coupling degree among the modules and the counting value when the structural rationality index of the modules is measured;
the detection process monitoring module is used for monitoring the software testing and measuring process;
the result recording, analyzing and evaluating module analyzes and reviews software design documents and specifications in software testing and measuring and data of software running process, analyzes, evaluates and counts corresponding coupling degree between modules and module structure rationality index values, and accordingly determines the measurement value.
3. The measuring instrument software maintainability index measuring device of claim 1, wherein the peripheral simulation platform comprises 3-way serial data module, I/O interface module, SPI/FLASH module, I2C/EPROM module, dual port RAM and ARM chip, the 3-way serial data module, I/O interface module, SPI/FLASH module, I2C/EPROM module are respectively connected with MCU chip and dual port RAM, and the dual port RAM is connected with ARM chip and the upper computer detection computer.
4. A metrology instrument software maintainability index measurement apparatus as claimed in claim 3 wherein:
the 3-path serial port data module is used for communicating with the MCU chip;
the I/O interface module sets I/O addresses for a data port and a control port of the peripheral cross-linking equipment and determines the input and output relationship between the I/O addresses and the control port;
the SPI/FLASH module is used for transmitting data, and after receiving an ARM programming instruction transmitted by the dual-port RAM, the FLASH controller decodes the received instruction and converts the decoded instruction into a control signal to control a corresponding instruction sub-module in a data receiving module and a data transmitting module of the SPI/FLASH module to transmit and receive data with the MCU chip;
the I2C/EPROM module is used for transmitting data, and the EEPROM controller receives and transmits data with the MCU chip through the I2C interface.
5. The measurement instrument software maintainability index measurement apparatus of claim 3, wherein the dual port RAM includes a data acquisition dual port RAM and a test data dual port RAM, the data acquisition dual port RAM is used for storing communication data and detection process monitoring module instructions in the running process of the software to be tested, and is transmitted to the ARM chip according to the ARM instructions, and the test data dual port RAM is used for storing the ARM instructions in the running process of the software, providing data for the detection process monitoring module, and then is transmitted to the MCU chip according to the ARM instructions.
6. The measurement apparatus as claimed in claim 3, wherein the duplex RAM includes a data buffer and a data information storage, the data information buffer is used for storing data information including start and end addresses of data transmission and reception and a transmission direction of data, and the data information storage is used for storing received address and control information.
7. The measurement instrument software maintainability index measurement apparatus of claim 6, wherein when the transmission is over or the dual port RAM is full, the EEPROM controller sets data interaction signals in a data information buffer area, including the quantity and transmission direction of data, the ARM chip stores the data in the double-port RAM into a memory unit with a corresponding address of the DDR3 of the ARM chip according to the obtained data interaction signals, when the EEPROM controller sends data to the MCU chip, the EEPROM controller stores the address received from the MCU chip into the data information storage region and sets a data interaction signal to inform the ARM chip of the initial and final address and the transmission direction of the data to be transmitted, the ARM chip reads the address information in the data information storage region first, then the data under the corresponding address of DDR3 of the ARM chip is transferred to a double-port RAM of the ARM chip, and finally, sending the data to an upper computer detection computer through a data sending module of the ARM chip.
8. The measurement device of claim 3, wherein the ARM chip is a control unit for performing control, protocol and data transmission of the peripheral simulation platform, including data interaction with a monitoring process of a detection process in a detection computer of an upper computer.
9. A measuring method for measuring software maintainability index of a measuring instrument is characterized by comprising the following steps:
s1, loading the tested software and running the tested software in the software running environment in real time;
s2, identifying and marking the tested software module, analyzing and evaluating the result record, and monitoring the detection process;
and S3, providing communication between the software running environment and the peripheral cross-linking equipment through peripheral simulation, simulating the external characteristics of the peripheral cross-linking equipment in the software running environment, loading excitation data to the tested software in real time, receiving the running output data of the tested software, processing the data of the received external interface, and recording, analyzing and evaluating the result.
10. The method according to claim 9, wherein the step S2 is to identify and record the modules of the software to be tested related to legal measurement, identify the modules related to legal measurement, analyze and evaluate the software design documents and specifications in the software testing and measurement and the data of the software running process by recording the result, not counting the coupling degree between the modules and the count value of the module structure rationality index during measurement, analyze and evaluate the data, determine the metric value, and monitor the software testing and measurement process by monitoring the detection process.
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| WO2016090908A1 (en) * | 2014-12-12 | 2016-06-16 | 国家电网公司 | Memory simulation testing board system and testing method for embedded application of intelligent electric meter |
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|---|---|---|---|---|
| CN103019940A (en) * | 2012-12-26 | 2013-04-03 | 中国计量学院 | Electric energy meter embedded software semi-simulation test device |
| WO2016090908A1 (en) * | 2014-12-12 | 2016-06-16 | 国家电网公司 | Memory simulation testing board system and testing method for embedded application of intelligent electric meter |
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