CN103514070A - Method combined with XML description for hardware automated testing - Google Patents
Method combined with XML description for hardware automated testing Download PDFInfo
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Abstract
The invention discloses a method combined with XML description for hardware automated testing. The method includes the following steps that information of all registers of a CPU is described through XMLs; data are analyzed through an upper computer and a lower computer in the same format on the basis of a UDP; all the registers of the CPU are grouped according to functions, each group comprises registers of different lengths and numbers, and the registers have different definitions and purposes. The method can be applied to a commonly used client/server system and used for obtaining various resources, messages and the like of the opposite side; time cost is saved, steps of repeated modification, compiling and downloading of procedures are avoided, time for system testing is greatly saved, and complexity is reduced; information expressed in a list mode is converted into a tree structure to be expressed, so open-and-shut understandings can be established for internal relations of data.
Description
Technical field
The invention belongs to software test field, specifically refer to that a kind of be applied in industrial control system, safety signal system, to the obtaining of the hardware asset information of safe CPU, arranges and automated diagnostic method of testing.
Background technology
In industrial control system and safety signal system (being applied to the industries such as aviation electronics, railway signal, nuclear power), the operation information of Dynamic Acquisition program, is vital in real time, according to the information of obtaining, can accomplish to prevent trouble before it happens.
Based on existing technology, at VxWorks, (vxworks operating system is a kind of embedded real-time operating system (RTOS) that U.S. WindRiver company designed and developed in nineteen eighty-three, the key components of embedded-development environment) in Dynamic Acquisition information be very difficult thing, this generally need to remodify the information that code adds debugging code and prints needs, this method is simple and easy to use, but shortcoming is just need to revise code in the time of will obtaining different information, recompilate, download.
Other method is to use log information, and the good content of chosen in advance (being generally alarm, error message) is saved in log file temporarily, takes log file in the time of needs away, and to log file analysis.This method needs to specify the log information of wanting in advance, once the content that will check is not in selected scope, generally need to remodify code.
In addition above 2 kinds of methods do not possess readability, are unfavorable for locating information, and general being applicable to described linear data structure, is inconvenient to for describing complicated data splitting type.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of combination XML and describes and carry out hardware automated testing method, and it can be applied to general client/server system, for obtaining the other side's various resources and information etc.; The cost that saves time, has avoided repetition update routine, compiling, and the step of download, saves time and the complicacy of system testing greatly.
In order to solve above technical matters, the invention provides a kind of combination XML description and carry out hardware automated testing method; Comprise the following steps: the information of all registers of CPU is described with extendible mark language XML; Use, based on User Datagram Protoco (UDP) UDP, makes host computer and slave computer with same format resolution data; The all registers of CPU are all pressed to function grouping, and every group has different length and number destination register, and each register has different definition and purposes.
Beneficial effect of the present invention is: can be applied to general client/server system, for obtaining the other side's various resources and information etc.; The cost that saves time, has avoided repetition update routine, compiling, and the step of download, has saved time and the complicacy of system testing greatly; By the information that list mode is expressed, be converted to tree structure and express, can set up open-and-shut understanding to the internal relation between data.
Host computer and the pre-defined port numbers of communicating by letter of slave computer; A message comprises an OLV structure, and so-called OLV is skew, and the set of length and three elements of value is used address that offset can location register for slave computer addressing, Length Indication register length, and effective value is 1,2,4 bytes; Value is used for storing the data of the register obtaining from slave computer or mails to the data of slave computer, for arranging.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is that register of the present invention is all by the schematic diagram of function grouping;
Fig. 2 is the protocol format schematic diagram that XML of the present invention is used.
Embodiment
For the real-time operation information of Dynamic Acquisition train system, under the prerequisite of update software not, the various resource informations of Overall Acquisition, the running status of program.The full name of udp protocol is User Datagram Protoco (UDP), in network it the same with Transmission Control Protocol for the treatment of.UDP message bag is a kind of connectionless agreement.In osi model, at the 4th layer (transport layer), the last layer in IP agreement.UDP has the shortcoming that packet grouping, assembling is not provided and can not sorts to packet, that is to say, after message sends, cannot learn whether safe and complete arrives for it.UDP is used for supporting those need between computing machine, transmit the network application of data.
XML language (Extensible Markup Language, extendible markup language) is the rule of a set of definition semantic marker, and these marks are divided into many parts by document and these parts are labelled.It is also meta-tag language, has defined for defining other relevant with specific area, syntax-languages semantic, structurized markup language.
The invention provides a kind of tree form data structure with XML language description, this structure can be for the hardware resource of descriptive system, and such as the skew of register, the information such as length and value, also can be for describing the information of global variable in software etc.
Technical scheme of the present invention is, first the information of register with XML language description out, then designs a kind of agreement based on UDP, makes host computer and the slave computer can same format resolution data.There is the register of a lot of memory-mapped MPC8360 inside as shown in Figure 1, all register Dou Shian functional organization, every group has different length and number destination register, each register has again different definition and purposes, by a kind of rational data structure, describing this hierarchical structure is very, and XML is just in time applicable to describing this structure.The XML language description of Fig. 2 the structure of Fig. 1.
In order to communicate by letter with slave computer, exchange message also needs to define a kind of agreement, makes both sides can identify different requests, and from return messages, extracts useful data.The port numbers that both sides need predefined to communicate by letter well.Concrete protocol format is with reference to shown in figure 2, and a message comprises an OLV(offset length value) structure.So-called OLV is skew, and the set of length and three elements of value is used address that offset can location register for slave computer addressing, Length Indication register length, and effective value is 1,2,4 bytes.Value is used for storing the data (reading) of the register obtaining from slave computer or mails to the data of slave computer, for (writing) is set.OLV is the clean part of carrying of UDP, and certainly can increase new content later.
For data are shown, have intuitive, host computer need to be used Tree control that data are shown.
The design's technique effect is:
1. versatility, the design's method can be applied to general client/server system, for obtaining the other side's various resources and information etc.
2. the cost that saves time, has avoided repetition update routine, compiling, and the step of download, has saved time and the complicacy of system testing greatly.
3. visual and legibility, is converted to tree structure by the information that list mode is expressed and expresses, and can set up open-and-shut understanding to the internal relation between data.
1) construct and generate the inforamtion tree of the register (or global variable) based on PPC plate and output in XML file
2) write host computer procedure, analyzing XML language, forms UDP message the data that parse according to pre-designed communication protocol, and sends in slave computer.
3) write program of lower computer, according to protocol analysis UDP message, according to the content obtaining register of request or the value of data structure, and loopback is to host computer.
4) host computer collection information, and the information of whole register tree is displayed it by tree structure, very strong readability there is.
The present invention is not limited to embodiment discussed above.Above the description of embodiment is intended in order to describe and illustrate the technical scheme the present invention relates to.Apparent conversion based on the present invention enlightenment or substitute and also should be considered to fall into protection scope of the present invention.Above embodiment is used for disclosing best implementation method of the present invention, so that those of ordinary skill in the art can apply numerous embodiments of the present invention and multiple alternative reaches object of the present invention.
Claims (2)
1. in conjunction with XML, describe and carry out hardware automated testing method for one kind; It is characterized in that, comprise the following steps:
The information of all registers of CPU is described with extendible mark language XML;
Use, based on User Datagram Protoco (UDP) UDP, makes host computer and slave computer with same format resolution data;
The all registers of CPU are all pressed to function grouping, and every group has different length and number destination register, and each register has different definition and purposes.
2. combination XML as claimed in claim 1 describes and carries out hardware automated testing method, it is characterized in that host computer and the pre-defined port numbers of communicating by letter of slave computer;
A message comprises an OLV structure, and so-called OLV is skew, the set of length and three elements of value, and the address of location register is used for slave computer addressing, Length Indication register length, effective value is 1,2,4 bytes;
Value is used for storing the data of the register obtaining from slave computer or mails to the data of slave computer, for arranging.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339318A (en) * | 2016-08-29 | 2017-01-18 | 上海斐讯数据通信技术有限公司 | Automatic testing device and establishment method thereof |
| CN108521350A (en) * | 2018-03-16 | 2018-09-11 | 重庆邮电大学 | An XML-driven script-based automated testing method for industrial gateway equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881934A (en) * | 2005-06-17 | 2006-12-20 | 株式会社日立制作所 | Microprocessor, network system, and communication method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881934A (en) * | 2005-06-17 | 2006-12-20 | 株式会社日立制作所 | Microprocessor, network system, and communication method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339318A (en) * | 2016-08-29 | 2017-01-18 | 上海斐讯数据通信技术有限公司 | Automatic testing device and establishment method thereof |
| CN108521350A (en) * | 2018-03-16 | 2018-09-11 | 重庆邮电大学 | An XML-driven script-based automated testing method for industrial gateway equipment |
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| CN103514070B (en) | 2016-11-02 |
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