CN102088384A - Standardized multifunctional LXI (LAN based extensions for instrumentation) equipment - Google Patents
Standardized multifunctional LXI (LAN based extensions for instrumentation) equipment Download PDFInfo
- Publication number
- CN102088384A CN102088384A CN2010105679788A CN201010567978A CN102088384A CN 102088384 A CN102088384 A CN 102088384A CN 2010105679788 A CN2010105679788 A CN 2010105679788A CN 201010567978 A CN201010567978 A CN 201010567978A CN 102088384 A CN102088384 A CN 102088384A
- Authority
- CN
- China
- Prior art keywords
- lxi
- bus
- arm processor
- comprehensive
- trigger element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The invention provides standardized multifunctional LXI (LAN based extensions for instrumentation) equipment belonging to the automatic testing field, and aiming to solve the problem of high complexity, single function and poor expandability in prior LXI equipment. The standardized multifunctional LXI equipment provided by the invention comprises a bottom plate, as well as a comprehensive trigger unit, an M (module) bus controller, an ARM (Advanced RISC Machines) processor and n functional plates which are arranged on the bottom plate, wherein the comprehensive trigger unit, the M bus controller and the n functional plates are respectively mounted on an M bus; the comprehensive trigger unit and the M bus controller are further mounted on an ARM processor bus; the output end of the comprehensive trigger unit is connected to the trigger control input end of the ARM processor; and the output end of the M bus controller is connected to the M bus control input end of the ARM processor. The equipment provided by the invention is used for an automatic test.
Description
Technical field
The present invention relates to a kind of standardized multi-functional LXI equipment, belong to field of automatic testing.
Background technology
In September, 2004 is leading by U.S. Agilent company and VXI company, the famous apparatus manufacture of the tens of families in the associating world, having released LXI (LAN eXtension for Instrumentation) standard jointly, is the Auto-Test System platform technology of current unique a kind of framework Network Based.It integrates the built-in measuring technique of desk-top instrument and PC standard I/O connection ability and based on characteristics such as the modularization of plug-in card frame system and small sizes; LXI has inherited all advantages of LAN, and along with the development of LAN, its performance will be promoted further, and on this basis, LXI has advantage at aspects such as timing, triggering, cooling, electromagnetic compatibilities; LXI is implemented in to be verified and use open-standards on the ripe standard in numerous industry and the field tests, sets up ATS with it and has good pardon and versatility; LXI device intelligence degree height, and have the equity of lan device, can not only be used for centralized test macro and set up, be more suitable for the distributed test system exploitation.Compare with test bus (as GPIB, VXI and PXI) in the past, the LXI technology has higher opening, versatility, intelligent and flexibility, is one of major technique that supports distributed test system of future generation.
Hardware device is the carrier that the various concrete technology of carrying realize, LXI equipment must realize meeting the interface function of LXI standard.When development and testing bus apparatus interface, because interface logic is simple relatively, and software protocol was also uncomplicated in the past, and we adopt programmable logic device or special purpose interface chip design tool interface system just can realize usually; And the LAN interface agreement that the LXI standard adopts is wanted the many of complexity with respect to bus interface in the past, and especially network protocol stack can't be realized fully with hardware, if use bus instrument interface exploitation mode in the past, then can't realize the LAN interface function of LXI equipment.
At present, the Embedded System Design technology can solve the LAN interface development problem of LXI equipment.Usually, 32 flush bonding processor chips are adopted in the design of embedded system usually, support multiple embedded OS, can be easy to realize the LAN interface function, also make instrument possess higher intelligence simultaneously.
Because the complexity height of Embedded System Design, if adopt this art designs LXI instrument, need the designer must expertly grasp many-sided technology, comprising: soft, the hard designing technique of embedded system, LXI interfacing, tester designing technique, instrument drivers technology etc.For the instrument designer, it is very heavy that the exploitation of LXI equipment will become.For addressing this problem, can adopt standardization, idea of modular, characteristics according to LXI equipment, LXI equipment is divided into several relatively independent unit, and utilize standardized interface that it is encapsulated, make LXI equipment have modular characteristics, different designers only need develop and safeguard relevant unit, and between each unit, there is not the overlapping of function, only need when designing an instrument each unit simple combination just can be integrated into a new LXI equipment, simplified the design complexities of LXI equipment.
In addition, because the use of embedded system makes the information processing capability of LXI interface unit strengthen greatly.Even develop the simple LXI equipment of a function, need a powerful LXI interface too, can cause the waste of LXI interface resource like this; In addition, along with development of technology, test assignment also becomes and becomes increasingly complex, and is same, the tester function also required more comprehensive and complicated.Therefore, multiple function apparatus will be important direction of following automatic test equipment development.
Summary of the invention
The present invention seeks to provides a kind of standardized multi-functional LXI equipment in order to solve the problem of existing LXI device design complexity height, function singleness, expandability difference.
Standardized multi-functional LXI equipment of the present invention comprises base plate, comprehensive trigger element, M bus control unit, arm processor and n feature board, and described comprehensive trigger element, M bus control unit, arm processor and n feature board all are arranged on the base plate,
Comprehensive trigger element, M bus control unit and n feature board are articulated in respectively on the M bus, comprehensive trigger element and M bus control unit also are articulated on the arm processor bus respectively, the output of comprehensive trigger element links to each other with the triggering control input end of arm processor, and the output of M bus control unit links to each other with the M bus control input end of arm processor.
Advantage of the present invention:
1, reduces the difficulty of LXI equipment development, improved the efficient of exploitation;
2, the trigger model of standard is provided for tester, the triggering function of LXI has been made an independence, unified standard functions unit, be integrated on the LXI interface base plate.Need not again to be the triggering function of each M modular design complexity;
3, functions of the equipments interchangeability is good;
4, extended capability is strong.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the described a kind of standardized multi-functional LXI equipment of present embodiment comprises base plate, comprehensive trigger element 2, M bus control unit 3, arm processor 4 and n feature board 1, described comprehensive trigger element 2, M bus control unit 3, arm processor 4 and n feature board 1 all are arranged on the base plate
It can further include FLASH5 and SDRAM6, and FLASH5 and SDRAM6 are articulated in respectively on the arm processor bus.
It can further include EEPROM7, real-time clock 8, ethernet transceiver 9 and LAN interface 10, EEPROM7 links to each other with arm processor 4 by the FC bus with real-time clock 8, ethernet transceiver 9 is articulated on the arm processor bus, the output of ethernet transceiver 9 links to each other with the input of arm processor 4, the triggering input/output terminal of ethernet transceiver 9 links to each other with the triggering input/output terminal of comprehensive trigger element 2, and the Ethernet input/output terminal of ethernet transceiver 9 links to each other with the input/output terminal of LAN interface 10.
It can further include triggers bus unit 11 and external trigger unit 12, the input/output terminal that triggers bus unit 11 links to each other with the comprehensive starting signal input/output terminal of comprehensive trigger element 2, and the input/output terminal of external trigger unit 12 links to each other with the external trigger control signal input/output terminal of comprehensive trigger element 2.
Real-time clock 8 is selected RTC for use.
Ethernet transceiver 9 is selected DP83640 for use.
Adopt the M module bus interface of standard to be connected between base plate and the feature board, base plate is realized complete LXI interface function, and functional unit adopts the M modular design, and is relevant with function.Like this, accomplish separating fully on LXI interface unit and the instrumental function cell design, but made LXI interface base plate and M module independent design, exploitation, maintenance, upgrading, avoided the intersection of two parts functions, reduce the difficulty of LXI equipment development, improved the efficient of exploitation.For example, the hardware development of M module can not rely on the interface base plate of LXI, we can adopt easier debug platform to debug, after satisfying design requirement, directly it is pegged graft into the LXI Tongued and grooved floor, developed device driver according to mode standard for it then and just can use.
Comprehensive trigger element is simplified the logical design of M module.Triggering is one of basic characteristics of instrument, any instrument no matter, and all needing could operate as normal by relative trigger, that is to say that the work of instrument drives by triggering.It is powerful more that instrument triggers function, uses just flexibly more in system, and testing efficiency also can be high more; It is small and weak more that otherwise instrument triggers function, and the use of instrument is just stiff more.Before the LXI standard, some standard is only carried out standardization to the triggering signal electric function, do not relate to for aspects such as working model that triggers function and software interfaces, therefore, variety classes, the instrument that different manufacturers is produced, it triggers the function design and also varies, some bigger instrument producer can provide more unified model for instrument, as Agilent company, and most instrument production firm only supports fairly simple or carry out the instrument design with reference to the trigger model of large manufacturer, the triggering function of homemade testing equipment is more simple and original by contrast, when integrated test system, it is also relatively backward to trigger application, thereby is difficult to cause testing efficiency low to test assignment optimization.The LXI standard is except providing abundant, easy-to-use triggering resource for the user, the trigger model of standard also is provided for tester first, simultaneously in " sync cap standard " standardization the application programming interfaces of triggering, utilize these resources, we can make the triggering function of LXI an independence, unified standard functions unit fully, are integrated on the LXI interface base plate.Under new instrument framework, we do not need to be the triggering function of each M modular design complexity again, only the triggering signal on the LXI interface board need be linked in the M module and finish test action, and the processing of triggering signal is got final product by the agency of the standard cell on the LXI interface base plate fully.
Functions of the equipments interchangeability is good.Owing to adopt standardized designs, LXI interface base plate only relevant with the LXI interface function, and adopt the M module interface of standard between the function base plate, be the relation of one-to-many between the two, as long as functional unit meets M module specification characteristics, just the M module can be plugged on the base plate, be combined into corresponding instrument.No matter be, do not influence the other side's use because base plate or M module occur needing for some reason to upgrade or replace.If adopt standardized software design, we with any existing software program of change, can satisfy the compatibility to original system task hardly.
Extended capability is strong.From the demand of Auto-Test System to the universal test instrument, multiple function apparatus is the important directions of following automatic test equipment development.The test function density of unit volume is increasing, and test function is more and more stronger, the test assignment that some are little, and a multiple function apparatus can satisfy its testing requirement.In addition, because LXI equipment is compared the bus instrument of other types originally as intelligent instrument, the information processing potentiality are very powerful, also are fit to the multi-functional management of instrument.Therefore, we have selected the functional unit of M module bus expansion instrument when design LXI interface base plate, 1U is high, and the complete wide LXI equipment of frame can be expanded 8 M modules at most, and what we designed at present is the wide LXI equipment of high half frame of 1U, has only developed the base plate of two M module interfaces.In the use of M module, grafting M module is without any restriction on LXI interface base plate, and same kind or dissimilar M modules can and be stored in the same LXI equipment fully, and this is relevant with application.Extended capability also shows software (comprising firmware) function expansion and upgrades, the remote download function that we can support by LXI equipment, and not needing can be to the software or the firmware upgrade of instrument internal to instrument removal, thereby promotes the ability of instrument.
Equipment required voltage and maximum power are fixed, and power supply can standardization.M module code requirement use 5V (1A), ± power supply of 12V (200mA), and going up of LXI base plate all is digital signal, required power supply is 5V or gets final product through the 5V conversion that electric current is less than 1A.Like this, we just can calculate whole LXI equipment required power type and maximum power dissipation according to the quantity of M module, can carry out standardized designs to required power supply.For example, we now the power requirement of the LXI equipment of two M interfaces of design be:
5V(1A+1A*2)+12V0.2A*2+|(-12V)0.2A*2|＝24.6W。
Claims (8)
1. standardized multi-functional LXI equipment, it is characterized in that: it comprises base plate, comprehensive trigger element (2), M bus control unit (3), arm processor (4) and n feature board (1), described comprehensive trigger element (2), M bus control unit (3), arm processor (4) and n feature board (1) all are arranged on the base plate
Comprehensive trigger element (2), M bus control unit (3) and n feature board (1) are articulated in respectively on the M bus, comprehensive trigger element (2) and M bus control unit (3) also are articulated on the arm processor bus respectively, the output of comprehensive trigger element (2) links to each other with the triggering control input end of arm processor (4), and the output of M bus control unit (3) links to each other with the M bus control input end of arm processor (4).
2. a kind of standardized multi-functional LXI equipment according to claim 1 is characterized in that it also comprises FLASH (5) and SDRAM (6), and FLASH (5) and SDRAM (6) are articulated in respectively on the arm processor bus.
3. a kind of standardized multi-functional LXI equipment according to claim 1, it is characterized in that, it also comprises EEPROM (7), real-time clock (8), ethernet transceiver (9) and LAN interface (10), EEPROM (7) links to each other with arm processor (4) by the FC bus with real-time clock (8), ethernet transceiver (9) is articulated on the arm processor bus, the output of ethernet transceiver (9) links to each other with the input of arm processor (4), the triggering input/output terminal of ethernet transceiver (9) links to each other with the triggering input/output terminal of comprehensive trigger element (2), and the Ethernet input/output terminal of ethernet transceiver (9) links to each other with the input/output terminal of LAN interface (10).
4. a kind of standardized multi-functional LXI equipment according to claim 1, it is characterized in that, it also comprises triggers bus unit (11) and external trigger unit (12), the input/output terminal that triggers bus unit (11) links to each other with the comprehensive starting signal input/output terminal of comprehensive trigger element (2), and the input/output terminal of external trigger unit (12) links to each other with the external trigger control signal input/output terminal of comprehensive trigger element (2).
5. a kind of standardized multi-functional LXI equipment according to claim 1 is characterized in that feature board (1) is selected the M module for use.
6. a kind of standardized multi-functional LXI equipment according to claim 1 is characterized in that, comprehensive trigger element (2) and M bus control unit (3) are made up by FPGA.
7. a kind of standardized multi-functional LXI equipment according to claim 1 is characterized in that real-time clock (8) is selected RTC for use.
8. a kind of standardized multi-functional LXI equipment according to claim 1 is characterized in that ethernet transceiver (9) is selected DP83640 for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010567978.8A CN102088384B (en) | 2010-12-01 | 2010-12-01 | Standardized multifunctional LXI (LAN based extensions for instrumentation) equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010567978.8A CN102088384B (en) | 2010-12-01 | 2010-12-01 | Standardized multifunctional LXI (LAN based extensions for instrumentation) equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102088384A true CN102088384A (en) | 2011-06-08 |
| CN102088384B CN102088384B (en) | 2015-02-11 |
Family
ID=44100005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010567978.8A Expired - Fee Related CN102088384B (en) | 2010-12-01 | 2010-12-01 | Standardized multifunctional LXI (LAN based extensions for instrumentation) equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102088384B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420735A (en) * | 2011-12-20 | 2012-04-18 | 陕西海泰电子有限责任公司 | Local area network (LAN) extension for instrumentation (LXI) interface circuit based on hardware extraction of 1588 time stamp |
| CN102436735A (en) * | 2011-12-20 | 2012-05-02 | 陕西海泰电子有限责任公司 | B type LXI (LAN eXtensions for Instrumentation) synchronous data acquisition instrument |
| CN102521958A (en) * | 2011-12-20 | 2012-06-27 | 陕西海泰电子有限责任公司 | B type LXI multifunctional data acquisition instrument |
| CN102573046A (en) * | 2012-02-20 | 2012-07-11 | 烽火通信科技股份有限公司 | Mobile communication system and mobile communication method capable of respectively compensating delays of in-band time synchronization interface and out-of-band time synchronization interface |
| CN103257910A (en) * | 2013-04-26 | 2013-08-21 | 北京航空航天大学 | LX I embedded type reconfigurable general test platform capable of being used for on-site test |
| CN108111381A (en) * | 2017-11-30 | 2018-06-01 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of unmanned aerial vehicle station network communication topological structure |
| CN108259549A (en) * | 2017-05-18 | 2018-07-06 | 西安邮电大学 | A kind of implementation method of Networked Instrument instrument front-end proxy agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020059393A1 (en) * | 2000-11-15 | 2002-05-16 | Reimer Jay B. | Multicore DSP device having coupled subsystem memory buses for global DMA access |
| CN201656986U (en) * | 2010-04-02 | 2010-11-24 | 象形(北京)通讯科技有限公司 | Optical cable automatic monitoring system |
-
2010
- 2010-12-01 CN CN201010567978.8A patent/CN102088384B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020059393A1 (en) * | 2000-11-15 | 2002-05-16 | Reimer Jay B. | Multicore DSP device having coupled subsystem memory buses for global DMA access |
| CN201656986U (en) * | 2010-04-02 | 2010-11-24 | 象形(北京)通讯科技有限公司 | Optical cable automatic monitoring system |
Non-Patent Citations (2)
| Title |
|---|
| 吴艳等: "LXI通用计数器的设计与实现", 《计算机测量与控制》, vol. 17, no. 2, 28 February 2009 (2009-02-28) * |
| 彭宇等: "利用M模块扩展VXI总线I/O和功能选择", 《国外电子测量技术》, no. 4, 30 April 2001 (2001-04-30), pages 31 - 32 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420735A (en) * | 2011-12-20 | 2012-04-18 | 陕西海泰电子有限责任公司 | Local area network (LAN) extension for instrumentation (LXI) interface circuit based on hardware extraction of 1588 time stamp |
| CN102436735A (en) * | 2011-12-20 | 2012-05-02 | 陕西海泰电子有限责任公司 | B type LXI (LAN eXtensions for Instrumentation) synchronous data acquisition instrument |
| CN102521958A (en) * | 2011-12-20 | 2012-06-27 | 陕西海泰电子有限责任公司 | B type LXI multifunctional data acquisition instrument |
| CN102436735B (en) * | 2011-12-20 | 2013-07-24 | 陕西海泰电子有限责任公司 | B type LXI (LAN eXtensions for Instrumentation) synchronous data acquisition instrument |
| CN102420735B (en) * | 2011-12-20 | 2014-03-12 | 陕西海泰电子有限责任公司 | Local area network (LAN) extension for instrumentation (LXI) interface circuit based on hardware extraction of 1588 time stamp |
| CN102521958B (en) * | 2011-12-20 | 2014-11-26 | 陕西海泰电子有限责任公司 | B type LXI multifunctional data acquisition instrument |
| CN102573046A (en) * | 2012-02-20 | 2012-07-11 | 烽火通信科技股份有限公司 | Mobile communication system and mobile communication method capable of respectively compensating delays of in-band time synchronization interface and out-of-band time synchronization interface |
| CN102573046B (en) * | 2012-02-20 | 2016-01-20 | 烽火通信科技股份有限公司 | Mobile communication system and the method for delay compensation can be carried out respectively to band and out-of-band time synchronized interface |
| CN103257910A (en) * | 2013-04-26 | 2013-08-21 | 北京航空航天大学 | LX I embedded type reconfigurable general test platform capable of being used for on-site test |
| CN108259549A (en) * | 2017-05-18 | 2018-07-06 | 西安邮电大学 | A kind of implementation method of Networked Instrument instrument front-end proxy agent |
| CN108111381A (en) * | 2017-11-30 | 2018-06-01 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of unmanned aerial vehicle station network communication topological structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102088384B (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102088384B (en) | Standardized multifunctional LXI (LAN based extensions for instrumentation) equipment | |
| CN115210589B (en) | Chip testing device and testing method | |
| CN106909425A (en) | A kind of DSP and FPGA system online upgrading method | |
| CN102540060A (en) | Digital integrated circuit chip testing system | |
| CN112988495B (en) | Multifunctional test method, device and system for SOC chip multiplex pin | |
| CN104865457A (en) | Universal detection board card | |
| US20050197824A1 (en) | Object-oriented design method for the time-effective and cost-effective development of production-grade embedded systems based on a standardized system architecture | |
| CN102855150B (en) | A kind of method and system to equipment burning information to be programmed | |
| CN112269123A (en) | Universal configurable chip test circuit | |
| CN104219003A (en) | Communication device, test system and test method thereof | |
| CN101666855B (en) | Universal test system and method of integrated circuit | |
| CN106373458A (en) | Software radio technology-based communication experiment device and experiment method therefor | |
| CN105022869A (en) | Fast reconfigurable MCU simulation method | |
| CN109815184A (en) | Debugging single board device and its control method, computer readable storage medium | |
| CN101718985B (en) | EPA bus and Profibus-DP bus conversion adapter | |
| CN103901402A (en) | Reconstructed FPGA radar digital signal processing assembly and reconstructed FPGA radar digital signal processing method | |
| CN104699066A (en) | Electronic control module | |
| CN111294155B (en) | Adapter, data transmission system and method | |
| Sapienza et al. | Modelling for hardware and software partitioning based on multiple properties | |
| CN114722754A (en) | FPGA prototype verification equipment | |
| CN110768874B (en) | Modular Ethernet tester | |
| RU119141U1 (en) | PROGRAMMER OF TELEVISION MEMORY ICs | |
| CN102929194B (en) | Asynchronous multi-core programmable automation controller (PAC) | |
| CN110647431A (en) | Test box for board card and complete machine diagnosis test | |
| CN111400220A (en) | Cable and method of use thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20211201 |