CN105721244A - Multi-type DUT (Device under control) test system and method - Google Patents
Multi-type DUT (Device under control) test system and method Download PDFInfo
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- CN105721244A CN105721244A CN201610067850.2A CN201610067850A CN105721244A CN 105721244 A CN105721244 A CN 105721244A CN 201610067850 A CN201610067850 A CN 201610067850A CN 105721244 A CN105721244 A CN 105721244A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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Abstract
The invention discloses a multi-type DUT (Device under control) test system. The system comprises a WLAN tester and at least two DUTs of different types; each DUT is correspondingly connected with a PC client; each PC client is connected with the WLAN tester through an Ethernet; each DUT is connected with the WLAN tester through an RF port. The invention provides a multi-type DUT (Device under control) test method. The system and the method have the advantage of realizing efficient multi-type DUT parallel test.
Description
Technical field
The present invention relates to DUT and test system, particularly relate to one kind of multiple type DUT and test system and method.
Background technology
Tradition DUT (Deviceundercontrol, equipment under test) testing scheme is all that the corresponding a DUT of a WLAN comprehensive test instrument tests.This scheme can only test single type DUT every time, and can not test the DUT of kinds of schemes simultaneously.Manufacturer for some DUT, the DUT that WLAN comprehensive test instrument device can test kinds of schemes can reach the effect that economic benefit is laid equal stress on.So WLAN comprehensive test instrument to test the scheme of kinds of schemes DUT just particularly aobvious important.
DUT test sequence decomposes: the time of instrument controlling is all gather several frame data and carry out data analysis by the test software of the overwhelming majority at present, is no longer needed for taking instrument after obtaining result.We TX to test DUT illustrates, multiple antennas of DUT are connected to power splitter, power splitter is connected to a RF mouth of test instrunment, basic procedure: (1) DUT is arranged > (2) instrument designing (3) DUT starts to send data (4) instrument and gathers data (5) data analysis (6) judged result (7) DUT and stop sending data.Time flow is the whole process of (1)-(7), as shown in Figure 1.
As in figure 2 it is shown, corresponding traditional WLAN comprehensive test instrument only supports that single pc client software connects, a RF mouth is to a DUT, and a computer adds an instrument and can only test a DUT, and it is exactly inefficient for having a relatively larger drawback.And the isolation between the multiple RF port of generally general WLAN comprehensive test instrument is not, causes to test by the man-to-man connected mode of this test.And this test mode is to produce modal test mode on line at present.
For test methodology above.Mainly there are defect and the deficiency of following several aspect:
(1): a pc client, a WLAN comprehensive test instrument, a DUT.When a pc client connects WLAN comprehensive test instrument, the occupancy of WLAN comprehensive test instrument connects instrument from pc client, release instrument after gathering data to pc client, in be not during this period of time all the time instrument all in use state, but significant portion time consumption is controlling DUT part, and controlling DUT during this period of time, other pc clients should use WLAN comprehensive test instrument, formally owing to this reason causes that testing efficiency is not high.Such as controlling DUT entrance test pattern comparison consuming time for a long time, and instrument is being idle during this period of time.As it is shown on figure 3, wherein TX/RX represents the time using instrument.And " H&B " and represent produce survey software now only control DUT and instrument is in free time.
Above-mentioned testing scheme, the time that instrument takies is too big.Cause that equipment utilization rate is not high；According to time slicing flow process it can be seen that really use the flow process of instrument to only have: instrument designing, Data acquisition and issuance, other flow processs are all unrelated with instrument.Equipment utilization rate is low.
Summary of the invention
In order to solve the problems of the prior art, the invention provides one kind of multiple type DUT and test system and method, it is achieved efficient polytype DUT concurrent testing.
The invention provides one kind of multiple type DUT and test system, including the different types of DUT of WLAN tester and at least two, each described DUT correspondence is connected to a pc client, each described pc client is connected with described WLAN tester by Ethernet, and each described DUT is connected with described WLAN tester by RF port.
As a further improvement on the present invention, described WLAN tester includes instrument switch plate, thread manager, sub-line journey and Ethernet interface, described DUT is connected with described instrument switch plate by RF port, described instrument switch plate is connected with described thread manager, described thread manager is connected with described Ethernet interface by described sub-line journey, and described Ethernet interface is connected with described pc client.
As a further improvement on the present invention, described sub-line journey and described pc client one_to_one corresponding.
Present invention also offers one kind of multiple type DUT method of testings, including step: every pc client connects into LAN by Ethernet and WLAN tester, each DUT connects the RF port of WLAN tester, each pc client controls a DUT, and described pc client gathers the signal index of corresponding DUT by WLAN tester.
As a further improvement on the present invention, constructing multiple sub-line journeys by WLAN tester, each sub-line journey is monitored every pc client by Ethernet interface and is connected.
As a further improvement on the present invention, whenever there being the pc client newly increased to be connected to WLAN tester by too network interface, then WLAN tester correspondence produces this pc client connection newly increased of a new sub-thread process.
As a further improvement on the present invention, each sub-line journey is separate, and described WLAN tester adopts asynchronous call mode to manage described sub-line journey.
As a further improvement on the present invention, described WLAN tester connects each sub-line journey by thread manager, carries out intercommunication by this thread manager and checks memory information.
As a further improvement on the present invention, described polytype DUT method of testing also includes instrument and seizes: when a pc client needs to use WLAN tester, WLAN tester internal schedule mechanism can be submitted to task queue the application of this pc client, if task queue is polled to this pc client, then carry out " instrument designing and WLAN data collection "；When WLAN tester data acquisition is complete, this sub-line journey discharges instrument resource immediately, and the data collected are sent to corresponding pc client, and now, the sub-line journey application that other pc client is corresponding can be then used by WLAN tester with the fastest speed.
As a further improvement on the present invention, described polytype DUT method of testing also includes instrument scheduling strategy: when seizing WLAN tester and using, dispatching method is: prerequisite variable, it is scheduling sequentially, according to the precedence that pc client application is submitted to, assign WLAN tester control；Any one task all with " instrument designing and WLAN data collection " labelling, when taking turns to this task, carries out the configuration of WLAN tester according to configuration information and gathers the data of DUT, gathers and complete is switched to next task.
The invention has the beneficial effects as follows: achieve efficient polytype DUT concurrent testing.
Accompanying drawing explanation
Fig. 1 is traditional DUT test flow chart.
Fig. 2 is connection figure one to one in traditional DUT test.
During the DUT that Fig. 3 is traditional tests, one-to-one tests DUT time slicing figure.
Fig. 4 is one kind of multiple type DUT of present invention threading logic figure testing system.
Fig. 5 is one kind of multiple type DUT of present invention schematic diagram testing system.
Fig. 6 is one kind of multiple type DUT of present invention testing time burst figure testing system.
Fig. 7 is one kind of multiple type DUT of present invention instrument scheduling strategy schematic flow sheet testing system.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and detailed description of the invention the present invention is further described.
As shown in Figures 4 to 7, one kind of multiple type DUT test system, including the different types of DUT2 of WLAN tester 1 and at least two, each described DUT2 correspondence is connected to a pc client 3 (computer client), each described pc client 3 is connected with described WLAN tester 1 by Ethernet, each described DUT2 is connected with described WLAN tester 1 by RF port, and the present invention is preferably provided with 3, four DUT2 of four pc clients.
As shown in Figures 4 to 7, described WLAN tester 1 includes instrument switch plate 4, thread manager 5, sub-line journey 6 and Ethernet interface 7, described DUT2 is connected with described instrument switch plate 4 by RF port, described instrument switch plate 4 is connected with described thread manager 5, described thread manager 5 is connected with described Ethernet interface 7 by described sub-line journey 6, and described Ethernet interface 7 is connected with described pc client 3.
As shown in Figures 4 to 7, described sub-line journey 6 and described pc client 3 one_to_one corresponding.
As shown in Figures 4 to 7, one kind of multiple type DUT method of testings, including step: every pc client 3 connects into LAN by Ethernet and WLAN tester 1, each DUT2 connects the RF port of WLAN tester 1, each pc client 3 controls a DUT2, and described pc client 3 gathers the signal index of corresponding DUT2 by WLAN tester 1.
As shown in Figures 4 to 7, constructing multiple sub-line journey 6 by WLAN tester 1, each sub-line journey 6 monitors every pc client 3 by Ethernet interface 7.
As shown in Figures 4 to 7, whenever there being the pc client 3 newly increased to be connected to WLAN tester 1 by too network interface 7, then one new sub-line journey 6 of the corresponding generation of WLAN tester 1 monitors this pc client 3 newly increased.
As shown in Figures 4 to 7, each sub-line journey 6 is separate, and described WLAN tester 1 adopts asynchronous call mode to manage described sub-line journey 6.
As shown in Figures 4 to 7, described WLAN tester 1 connects each sub-line journey 6 by thread manager 5, carries out intercommunication by this thread manager 5 and checks memory information.
As shown in Figures 4 to 7, every computer client (i.e. pc client 3) connects into LAN by switch or router with WLAN tester 1, each DUT2 connects the RF port of WLAN tester 1, and pc client every day 3 controls a DUT2 simultaneously.WLAN tester 1 tests the multiple sub-line journey 6 of software construction or process, each sub-line journey 6 or process are monitored the computer client of Ethernet interface 7 and are connected, if there being computer client to connect, the corresponding sub-thread 6 that just has manages a computer client.Each sub-line journey 6 of WLAN tester 1 software is separate.Owing to adopting a kind of new thread management mode, thus improve parallel processing speeds.Concrete thread management hierarchy chart, as shown in Figure 4.Mastery routine is started by the main thread of ground floor, 4 sub-threads 6 of the second layer, are responsible for the instrument switch plate 4 of controller WLAN tester 1, and monitor the network thread communication of pc client 3 respectively, these four sub-threads 6 are unified to be managed by thread manager 5, it is possible to intercommunication and check memory information；Third layer is a thread manager 5, it is preferred to instrument hardware configuration HAL application uses the management thread of management, and the thread of the second layer to use instrument must propose instrument application request, and waits result；4th layer is pc client 3 instrument application thread, major control instrument, and gathers the signal index of DUT2.This mutual independence at all levels, adopts asynchronous call mode, it is possible to increase the logicality of thread management.Make modules definite functions, the multiple pc client 3 energy multiple DUT2 of concurrent testing, and be not easy to make mistakes.Even if one of them thread occurs abnormal, but does not interfere with other pc client 3 tests to DUT2.If traditional one-to-one, a WLAN comprehensive tester test software can only support a pc client, then do not possess this ability.
As shown in Figures 4 to 7, each pc client 3 is by sub-line journey 6 or process separate connection WLAN tester 1.Pc client 3 now tests soft operation on respective computer respectively, owing to they are independent mutually, does not interfere with each other so behaving.When controlling DUT2, the sub-line journey 6 of each pc client 3 or process are not interfereing with each other of being synchronously performed, from but control time of DUT2 and can overlap, various DUT2 can test simultaneously, greatly the test service efficiency of WLAN tester 1.
As shown in Figures 4 to 7, described polytype DUT method of testing also includes instrument and seizes: a pc client 3 needs to use the moment of WLAN tester 1, WLAN tester 1 internal schedule mechanism can be submitted to task queue the application of this pc client 3, if task queue is polled to this client, then carry out " instrument designing and WLAN data collection ".When WLAN tester 1 data acquisition is complete, this thread or process discharge instrument resource immediately, and the data collected are sent to the pc client 3 of correspondence, and now other pc client 3 thread or process application can be then used by WLAN tester 1 with the fastest speed.
As shown in Figures 4 to 7, described polytype DUT method of testing also includes instrument scheduling strategy: when seizing instrument and using, dispatching method is: prerequisite variable (FIFO, FirstInFirstOut) is simplest dispatching algorithm, is scheduling sequentially.According to the precedence that pc client 3 operation is submitted to, assign instrument controlling power；Any one task all with " instrument designing and WLAN data collection " labelling, when taking turns to this task, carries out the configuration of instrument according to configuration information and gathers the data of DUT2.Gather and complete be switched to next task.
One kind of multiple type DUT provided by the invention test system and method, it is possible to use multiple DUT concurrent testing scheme, it is achieved efficient multiple DUT concurrent testing scheme.Multiple pc client 3, a WLAN tester 1, multiple different DUT2 are connected on different RF ports respectively, and each DUT2 is connected on a WLAN tester 1 simultaneously.Every pc client 3 is connected respectively to WLAN tester 1 and controls DUT2, is achieved in that multiple pc client 3, a WLAN tester 1, tests the function of multiple different DUT2 simultaneously.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (10)
1. one kind of multiple type DUT test system, it is characterized in that: include WLAN tester and at least two different types of DUT, each described DUT correspondence is connected to a pc client, each described pc client is connected with described WLAN tester by Ethernet, and each described DUT is connected with described WLAN tester by RF port.
2. polytype DUT according to claim 1 tests system, it is characterized in that: described WLAN tester includes instrument switch plate, thread manager, sub-line journey and Ethernet interface, described DUT is connected with described instrument switch plate by RF port, described instrument switch plate is connected with described thread manager, described thread manager is connected with described Ethernet interface by described sub-line journey, and described Ethernet interface is connected with described pc client.
3. polytype DUT according to claim 2 tests system, it is characterised in that: described sub-line journey and described pc client one_to_one corresponding.
4. one kind of multiple type DUT method of testings, it is characterized in that, including step: every pc client connects into LAN by Ethernet and WLAN tester, each DUT connects the RF port of WLAN tester, each pc client controls a DUT, and described pc client gathers the signal index of corresponding DUT by WLAN tester.
5. polytype DUT method of testing according to claim 4, it is characterised in that: constructing multiple sub-line journeys by WLAN tester, each sub-line journey is monitored every pc client by Ethernet interface and is connected.
6. polytype DUT method of testing according to claim 5, it is characterised in that: whenever there being the pc client newly increased to be connected to WLAN tester by too network interface, then WLAN tester correspondence produces this pc client newly increased of new sub-thread process.
7. polytype DUT method of testing according to claim 6, it is characterised in that: each sub-line journey is separate, and described WLAN tester adopts asynchronous call mode to manage described sub-line journey.
8. polytype DUT method of testing according to claim 7, it is characterised in that: described WLAN tester connects each sub-line journey by thread manager, carries out intercommunication by this thread manager and checks memory information.
9. polytype DUT method of testing according to claim 8, it is characterized in that: described polytype DUT method of testing also includes instrument and seizes: when a pc client needs to use WLAN tester, WLAN tester internal schedule mechanism can be submitted to task queue the application of this pc client, if task queue is polled to this pc client, then carry out " instrument designing and WLAN data collection "；When WLAN tester data acquisition is complete or after time-out, this sub-line journey discharges instrument resource immediately, and the data collected are sent to corresponding pc client, and now, the sub-line journey application that other pc client is corresponding can be then used by WLAN tester with the fastest speed.
10. polytype DUT method of testing according to claim 9, it is characterized in that: described polytype DUT method of testing also includes instrument scheduling strategy: when seizing WLAN tester and using, dispatching method is: prerequisite variable, it is sequentially carried out scheduling sequentially, according to the precedence that pc client application is submitted to, assign WLAN tester control；Any one task all with " instrument designing and WLAN data collection " labelling, when taking turns to this task, carries out the configuration of WLAN tester according to configuration information and gathers the data of DUT, gathers and complete is switched to next task.
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| CN106412956A (en) * | 2016-10-19 | 2017-02-15 | 深圳市极致汇仪科技有限公司 | Multi-data aggregation transceiver test |
| CN110136770A (en) * | 2019-05-31 | 2019-08-16 | 济南德欧雅安全技术有限公司 | A kind of test fixture and test method of the component of test memory in the application |
| CN110429995A (en) * | 2019-07-18 | 2019-11-08 | 深圳市极致汇仪科技有限公司 | A kind of comprehensive test instrument automatic test approach and system |
| CN117269723A (en) * | 2023-09-25 | 2023-12-22 | 深圳市南方硅谷半导体股份有限公司 | Method for testing high-precision circuit products built in WIFI chip |
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| CN117269723A (en) * | 2023-09-25 | 2023-12-22 | 深圳市南方硅谷半导体股份有限公司 | Method for testing high-precision circuit products built in WIFI chip |
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Address after: 518000 5C, 1, building No. 6, Ting Wei Road, 67 District, Xingdong community, Baoan District Xin'an, Shenzhen, Guangdong. Applicant after: SHENZHEN JIZHI HUIYI TECHNOLOGY CO., LTD. Address before: 518055, Guangdong, Nanshan District, Taoyuan Shenzhen street, 1213 cents Xian Road, the crown Honghua District, 2 South District, 2, 2 floor Applicant before: SHENZHEN JIZHI HUIYI TECHNOLOGY CO., LTD. |
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