CN102142911A - Communication equipment and communication test method - Google Patents
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- CN102142911A CN102142911A CN2010102708986A CN201010270898A CN102142911A CN 102142911 A CN102142911 A CN 102142911A CN 2010102708986 A CN2010102708986 A CN 2010102708986A CN 201010270898 A CN201010270898 A CN 201010270898A CN 102142911 A CN102142911 A CN 102142911A
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Abstract
The embodiment of the invention provides a communication equipment and a communication test method. The communication equipment comprises a gating module and a joint test action group (JTAG) interface, wherein a first single plate is respectively connected with the gating module and the JTAG interface; the JTAG interface is connected with the gating module; the gating module is used for at least conducting the test link of the first single plate; the gating module comprises a plurality of gating units, wherein each gating unit is respectively connected with a corresponding second single plate for conducting the test link of the corresponding second single plate when the on-position signal of the corresponding second single plate is detected, or the test link of the corresponding second single plate is cut off when no on-position signals of the corresponding second single plate are detected; and the JTAG interface is used for connecting testing equipment so as to bring convenience for the testing equipment to test the first single plate of the conducted test link or the first single plate and the second plate of the conducted test link. According to the communication equipment and the communication test method, which are provided by the invention, the link is automatically formed by the JTAG of a plurality of single plates to realize the JTAG application of the plate level.
Description
Technical field
The present invention relates to boundary scan technique, relate in particular to a kind of communication equipment and communication test method.
Background technology
Boundary scan technique is used more and more widely, boundary scanning chip on the veneer is also more and more, and the demand that boundary scan technique is used is also more and more, JTAG (Joint Test Action Group, joint test behavior tissue) strand is designed to Application of Boundary-scan Technology and has brought facility.Can realize functions such as board B OOTROM (non-disk startup ROM interface) loading, logical device loading, fault simulation, artificial debugging and interconnecting test by boundary scan technique, realize that the design of JTAG strand does not need link switchover and combination.
Yet along with the development of processing technology and microelectric technique, the encapsulation of chip is more and more littler, function becomes increasingly complex, each veneer also becomes increasingly complex, and the testing and diagnosing of high complicated veneer has become a great problem with maintenance, and the application boundary scanning technique is one of approach that effectively addresses this problem.
At present, most product, for example all based on veneer separately, every veneer has all been realized the design of JTAG chaining, can carry out JTAG to veneer respectively and use, and does not have data interaction between the veneer in the JTAG of base station product design.The benefit of this mode is the independence that has guaranteed every veneer, but along with the electronic product integrated level is more and more higher, between system contact more and more tightr because each veneer all needs to place a JTAG socket, caused the cost waste; And, during test, need between veneer and veneer, often plug the JTAG socket, testing efficiency is lower, and soft project also needs to change, and has improved testing cost.
Summary of the invention
The main purpose of the embodiment of the invention is to provide a kind of communication equipment and communication test method.
The above-mentioned purpose of the embodiment of the invention is achieved by the following technical solution:
A kind of communication equipment, described communication equipment comprises one first veneer and at least one second veneer, described communication equipment also comprises: gating module and jtag interface, described first veneer links to each other respectively with jtag interface with the gating module, described jtag interface links to each other with described gating module, and wherein: the gating module is used for the test link of first veneer of conducting at least; Described gating module comprises a plurality of gating units, second veneer that each gating unit is corresponding with one respectively links to each other, be used for when detecting the signal on the throne of the second corresponding veneer, the test link of second veneer of conducting correspondence, perhaps when not detecting the signal on the throne of the second corresponding veneer, disconnect the test link of the second corresponding veneer; Jtag interface is used to connect testing equipment, so that described testing equipment is to first veneer of continuity test link, or first veneer and second veneer of continuity test link have been tested.
A kind of communication test method, described method comprises: the gating module receives first data of first veneer transmission that links to each other with the gating module, and described first data are produced after the data that receive the testing equipment transmission by described first veneer; The gating module detects the signal on the throne of second veneer that links to each other with the gating module; If there is the signal on the throne of second veneer, gating module first data that will receive from first veneer or send to second veneer of this signal correspondence on the throne then from second data that another second veneer receives, and receive second data that this second veneer returns; If each second veneer on the throne has all returned second data, the gating module will send to testing equipment from second data that last second veneer on the throne receives.
A kind of communication equipment, described communication equipment comprises first veneer and second veneer, it is characterized in that, described communication equipment also comprises: gating module and communication interface, wherein said gating module links to each other respectively with first veneer and second veneer, and described communication interface links to each other respectively with first veneer and gating module; Described first veneer receives outer input data by communication interface, produces first data and sends to described gating module; Described gating module is used to receive first data of first veneer output, and when second veneer is on the throne first data is sent to second veneer, and receives second data that second veneer returns, and second data are sent to described communication interface.
A kind of communication equipment, described communication equipment comprises a plurality of veneers, it is characterized in that, described a plurality of veneer comprises one first veneer and a plurality of second veneer on the throne, described communication equipment also comprises: gating module and communication interface, wherein said gating module links to each other respectively with first veneer and a plurality of second veneer, and described communication interface links to each other respectively with first veneer and gating module; Wherein, described first veneer is used for receiving outer input data by communication interface, produces first data and sends to described gating module; Each second veneer on the throne is used to receive the data that described gating module sends, and produces second data and sends to described gating module; After described gating module is used to receive first data of described first veneer output, first data are sent to second veneer on the throne, and after receiving second data that this second veneer on the throne returns, second data that this second veneer is returned are sent to second veneer next on the throne, and receive second data that the described next one second veneer on the throne returns, and after receiving second data that last second veneer on the throne returns, second data that second veneer that last is on the throne returns are sent to described communication interface.
Communication equipment that the embodiment of the invention provides and communication test method by the automatic chaining of the JTAG of a plurality of veneers, have realized that system-level JTAG uses.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 in the prior art based on the structural representation of the base station equipment of plate level link;
Fig. 2 is the structured flowchart of the communication equipment of the embodiment of the invention;
Fig. 3 is the structural representation of an embodiment of communication equipment embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of the another one embodiment of communication equipment embodiment illustrated in fig. 2;
Fig. 5 is with the structural representation of binary channels selector as an execution mode of the gating unit of the communication equipment of present embodiment;
Fig. 6 is the composition frame chart of another one execution mode of the gating module of communication equipment embodiment illustrated in fig. 2;
Fig. 7 is the flow chart of the communication test method of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is described in further details below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Fig. 1 in the prior art based on the schematic diagram of the base station equipment of plate level link, as shown in Figure 1, this base station equipment has adopted the JTAG function of main flow to design, each veneer, for example master control borad and business board all design the independent jtag test link of a cover, do not have data interaction between the veneer.Correspondingly, each veneer all needs to be provided with a JTAG socket, for example the JTAG socket of double contact pin has caused the cost waste, and, owing to connect veneer and testing equipment by the JTAG socket during test, when therefore a plurality of veneers being tested, need often to plug the JTAG socket between veneer and veneer, testing efficiency is lower, and soft project needs to change, and also caused testing cost higher.
The composition frame chart of a kind of communication equipment that Fig. 2 provides for the embodiment of the invention please refer to Fig. 2, and this communication equipment comprises: one first veneer 21, at least one second veneer 22, gating module 23 and a jtag interface 24, wherein:
First veneer 21 links to each other with jtag interface 24 and gating module 23, by the test link of gating module 23 conductings first veneer.
Wherein, each gating unit 231 corresponding one second veneer, link to each other with first veneer 21 and one second veneer 22, be used for when detecting the signal on the throne of the second corresponding veneer 22, the test link of second veneer 22 of conducting correspondence, and when not detecting the signal on the throne of the second corresponding veneer 22, disconnect the test link of the second corresponding veneer 22.
In the present embodiment, first veneer 21, second veneer 22, gating module 23 and jtag interface 24 are positioned on the test link, the test link of conducting veneer, i.e. expression joins the test link of this veneer on the above-mentioned test link, disconnect the test link of certain veneer, i.e. expression disconnects this veneer from above-mentioned test link.
In the present embodiment, because these a plurality of gating units 231 connect successively, in order to narrate conveniently, the gating unit 231 that directly links to each other with first veneer is referred to as first gating unit, the gating unit 231 that directly links to each other with jtag interface 24 is referred to as last gating unit, accordingly, second veneer corresponding with first gating unit is referred to as first second veneer, and second veneer that links to each other with last gating unit is referred to as last second veneer.Other gating unit 231 and the second corresponding veneer thereof are referred to as according to this order of connection, do not repeat them here.
In the present embodiment, " linking to each other " both can represent direct electrical connection, also can represent indirect electrical connection, promptly connected by miscellaneous part, specifically decided on circuit requirement.
In the present embodiment, this gating module 23 can be arranged on the backboard of communication equipment of present embodiment.
In the present embodiment, this gating module 23 can realize by circuit, for example realizes the function of a plurality of gating units 231 of this gating module 23 by a plurality of binary channels selectors; Also can realize by software; for example realize the function of a plurality of gating units 231 of this gating module 23 by chip piece or IP CORE; present embodiment not with this as restriction; as long as can finish the function of described selection conducting of Fig. 2 or disconnection test link, all be contained within the protection range of the embodiment of the invention.
In one embodiment, first veneer 21 is the master control borad of the communication of present embodiment, and second veneer 22 is the business board of the communication equipment of present embodiment.
In another embodiment, first veneer 21 is a business board of the communication equipment of present embodiment, and second veneer 22 is the master control borad of the communication equipment of present embodiment;
In another embodiment, first veneer 21 is a business board of the communication equipment of present embodiment, and second veneer 22 is the master control borad of communication equipment of present embodiment and other business board.
The communication equipment of present embodiment can be the base station, also can be that other utilize boundary scan technique to carry out the equipment of jtag test, present embodiment not with this as restriction.
By the communication equipment of present embodiment, can be so that the automatic chaining of the JTAG of a plurality of veneers of communication equipment realizes that the JTAG of plate level uses.
Clear more understandable for the communication equipment that makes present embodiment, be elaborated below in conjunction with the communication equipment of specific embodiment to present embodiment.
Fig. 3 is the composition frame chart of an execution mode of communication equipment embodiment illustrated in fig. 2, and the content identical with Fig. 2 repeats no more.Please refer to Fig. 3, this communication equipment comprises master control borad 31, at least one business board 32, gating module 33 and jtag interface 34, and in the present embodiment, master control borad 31 is as first veneer, and business board 32 please refer to Fig. 3 as second veneer, wherein:
Wherein, gating module 33 links to each other with master control borad 31 and jtag interface 34 as first veneer, the test link that is used for conducting master control borad 31, and when the signal on the throne that detects as the business board 32 of second veneer, the test link of conducting corresponding business plate 32, when the signal on the throne that does not detect as the business board 32 of second veneer, disconnect the test link of corresponding business plate 32.
Wherein, each gating unit 331 with link to each other as the master control borad 31 of first veneer and as a business board 32 of second veneer, therefore, each gating unit 331 corresponding business board 32.In the present embodiment, because these a plurality of gating units 331 connect successively, in order to narrate conveniently, the gating unit 331 that master control borad 31 direct and as first veneer is linked to each other is referred to as first gating unit, the gating unit 331 that directly links to each other with jtag interface 34 is referred to as last gating unit, accordingly, be referred to as first business board with first gating unit corresponding service plate, the business board that links to each other with last gating unit is referred to as last business board.Other gating unit 331 and corresponding service plate thereof are referred to as according to this order of connection, do not repeat them here.
In the present embodiment, after the test link of master control borad 31 and business board 32 is switched on, can also can realize the centralized management and the test of BST (Boundary Scan Test, the convenient scanning test function) function of 31 pairs of business boards 32 of master control borad further by this chain type design; Can also further support the jtag test of complete machine mode, for example initiate order by master control borad 31, directly the welding situation of the important chip of test service plate 32 promotes testing efficiency.For example, originally 5 business boards 32 use the BST function to manage and test separately, and present 5 business boards 32 can use the BST function to manage and test together, and the time shortens dramatically, and provides cost savings, and has promoted efficient.In addition, by the design of this chain type, can also realize EPLD (Erasable Programmable Logic Device, but can wipe the editorial logic device) upgrading and the management function of 31 pairs of business boards 32 of master control borad.
Fig. 4 is the composition frame chart of the another one execution mode of communication equipment embodiment illustrated in fig. 2, and the content identical with Fig. 2 repeats no more.Please refer to Fig. 4, this communication equipment comprises master control borad 41, at least one business board 42, gating module 43 and jtag interface 44, in the present embodiment, a business board (being labeled as 42 ') is as first veneer, other business boards of master control borad 41 and this communication equipment (be labeled as 42 ") as second veneer; please refer to Fig. 4, wherein:
Wherein, gating module 43 links to each other with business board 42 ' and jtag interface 44 as first veneer, the test link that is used for conducting business board 42 ', and at the master control borad 41 or the business board 42 that detect as second veneer " signal on the throne the time; corresponding master control borad 41 of conducting or business board 42 " test link, at the master control borad 41 or the business board 42 that do not detect as second veneer " signal on the throne the time, disconnect corresponding master control borad 41 or business board 42 " test link.
Wherein, each gating unit 431 with as the business board 42 ' of first veneer and as the master control borad 41 or the business board 42 of second veneer " link to each other therefore, each gating unit 431 a corresponding master control borad 41 or business board 42 ".In the present embodiment, because these a plurality of gating units 431 connect successively, in order to narrate conveniently, the gating unit 431 that business board 42 ' direct and as first veneer is linked to each other is referred to as first gating unit, the gating unit 431 that directly links to each other with jtag interface 44 is referred to as last gating unit, accordingly, master control borad or the business board corresponding with first gating unit are referred to as first master control borad or business board, and the master control borad or the business board that link to each other with last gating unit are referred to as last master control borad or business board.Other gating unit 431 and corresponding master control borad or business board thereof are referred to as according to this order of connection, do not repeat them here.
The communication equipment of present embodiment connects jtag interface with a business board, other veneers, for example master control borad and other business boards, be connected with each gating unit of gating module, to pass through this gating unit conducting or to disconnect test link, so that the testing equipment that connects jtag interface is carried out jtag test to the veneer of continuity test link,, testing efficiency and cost have been improved by this chain type design.
The composition frame chart of an execution mode of gating module in the communication equipment that provides embodiment illustrated in fig. 2 is provided Fig. 5, in the present embodiment, the gating unit of gating module is realized by the binary channels selector, present embodiment comprises that with a communication equipment backboard 51, master control borad 52, two business boards 53,54 are that example is illustrated, in the present embodiment, master control borad 52 is as first veneer, and two business boards 53,54 are as second veneer, but present embodiment not with this as restriction.Wherein, repeat no more with Fig. 2 or Fig. 3 or identical content embodiment illustrated in fig. 4.Please refer to Fig. 5, this communication equipment also comprises: gating module and a jtag interface 56, wherein, the gating module comprises two binary channels selectors 551,552.
Wherein, binary channels selector 551 is corresponding with business board 53, and binary channels selector unit 552 is corresponding with business board 54.When business board 53 is on the throne, the test link of binary channels selector 551 conducting master control borads 52 and the test link of business board 53; When business board 53 is not on the throne, binary channels selector 551 only conducting master control borad 52 test link and disconnect the test link of this business board 53.Same, when business board 54 is on the throne, the test link of binary channels selector 552 conducting master control borads 52 and the test link of business board 54; When business board 54 is not on the throne, binary channels selector 552 only conducting master control borad 52 test link and disconnect the test link of this business board 54.
Wherein, jtag interface 56 is double jack design, and it connects master control borad 52 and gating module, is used to connect testing equipment, so that described testing equipment is to the master control borad 52 of continuity test link, perhaps the master control borad of continuity test link and business board 53,54 are tested.
In one embodiment, please continue with reference to Fig. 5, gating unit is to realize by the binary channels selector, and the gating module comprises a plurality of binary channels selectors; But present embodiment not with this as restriction, for example, the gating module also can realize by chip piece, comprises a plurality of gating units in the gating module, the corresponding veneer of each gating unit; Perhaps, gating unit can be realized by IP CORE, as long as can finish the function of described selection conducting of Fig. 2 or disconnection conducting, all is contained within the protection range of the embodiment of the invention.
In the present embodiment, each binary channels selector comprises that one is detected pin and two passages, wherein, pin 1A, pin 1B, pin 1Y form a passage, be called passage 1 in the present embodiment, pin 1A and pin 1B are the input pin of this passage 1, and pin 1Y is the output pin of this passage 1; Pin 2A, pin 2B, pin 2Y form a passage, are called passage 2 in the present embodiment, and pin 2A and pin 2B are the input pin of this passage 2, and pin 2Y is the output pin of this passage 2.Below be that example is illustrated with binary channels selector 551, when binary channels selector 551 detects corresponding service plate 53 signal on the throne is arranged by detecting pin, then select A as output, otherwise select B as output.
Please refer to Fig. 5, pin 1A and pin 1B are two input pins of passage 1, and pin 1Y is an output pin of passage 1, and pin 2A and pin 2B are two input pins of passage 2, and pin 2Y is an output pin of passage 2.Wherein, pin 1A links to each other with the test data output pin TDO pin of business board 53, pin 2A links to each other with the TDO pin of master control borad 52 with pin 1B, pin 2B is for keeping pin, pin 1Y links to each other with pin 1B with the pin 2A of binary channels selector 56, and pin 2Y links to each other with the test data input pin TDI pin of the jtag interface of business board 53.
Wherein, select A as output, then the signal of exporting from the TDO pin of master control borad 52 passes through the pin 2A input of passage 2, pin 2Y output from passage 2, enter the TDI pin of business board 53, after each of process business board 53 inside supported the chip series connection of boundary scan technique again, export from the TDO pin, pin 1A by passage 1 imports again, enter binary channels selector 551 inside, then, output to binary channels selector 552, the test link of business board 53 that has been conducting so from the pin 1Y of passage 1.
Wherein, select B,, output to binary channels selector 552, so promptly disconnected the test link of business board 53 from the pin 1Y of passage 1 then from the pin 1B input of the signal of the TDO pin output of master control borad 52 through passage 1 as output.
In the present embodiment, the process of the test link of 552 conductings of binary channels selector or disconnection business board 54 is identical with the process of the test link of aforementioned binary channels selector 551 conductings or disconnection business board 53, does not repeat them here.
In one embodiment, the output of jtag interface 56 links to each other with the TDI pin of master control borad 52, the input of jtag interface 56 links to each other with the 1Y pin of binary channels selector 56, the reset pin of jtag interface 56 (TRST), clock pin (TCK) and model selection pin (TMS) respectively with the test reset pin of master control borad 52, the test clock input pin, test pattern selects pin to link to each other, so can be when these jtag interface 56 external testing equipments, to the master control borad of continuity test link, perhaps the master control borad of continuity test link and business board are tested by this testing equipment.
In the present embodiment, for example test reset pin (TRST), test clock input pin (TCK), the test pattern of business board 53,54 select pin (TMS) to link to each other respectively with reset pin (TRST), clock pin (TCK) and the model selection pin (TMS) of jtag interface 56 by the cabling on the backboard 51 to each business board.
In the present embodiment, because master control borad and business board have adopted the chain type design by the binary channels selector, realized centralized management and the test of master control borad to business board BST function, for example, can support the jtag test of complete machine mode, initiate order by master control borad, directly test the welding situation of the important chip of all business boards, promote testing efficiency, the interconnecting function that can also realize backboard main business passage (as the IDX1 passage) detects, promptly, carry out signal scanning, can judge directly that the plug of veneer well reaches backboard circuit kilter by two veneers of control.
The composition frame chart of the another one execution mode of gating module in the communication equipment that provides embodiment illustrated in fig. 2 is provided Fig. 6, in the present embodiment, the gating unit of gating module realizes that by application-specific integrated circuit chip or IP CORE please refer to Fig. 6, this gating unit comprises:
Detecting unit 61, whether be used to detect the second corresponding veneer has signal on the throne;
Processing unit 62, be used for when detecting unit 61 detects the corresponding service plate signal on the throne is arranged, the test link of second veneer of conducting first veneer and correspondence, and when detection module 61 detected the second corresponding veneer and do not have signal on the throne, the test link of conducting first veneer also disconnected the test link of the second corresponding veneer.
Present embodiment only is described the gating unit of application-specific integrated circuit chip or IP CORE realization, other parts for communication equipment, for example annexations such as backboard, first veneer, second veneer, jtag interface and function do not repeat them here all with embodiment illustrated in fig. 2 identical.
In the present embodiment, because master control borad and business board have adopted the chain type design by the gating unit that this application-specific integrated circuit chip or IP CORE realize, realized centralized management and the test of master control borad to business board BST function, for example, can support the jtag test of complete machine mode, initiate order by master control borad, directly test the welding situation of the important chip of all business boards, promote testing efficiency, the interconnecting function that can also realize backboard main business passage (as the IDX1 passage) detects, promptly, carry out signal scanning, can judge directly that the plug of veneer well reaches backboard circuit kilter by two veneers of control.
The flow chart of a kind of communication test method that Fig. 7 provides for the embodiment of the invention please refer to Fig. 7, and this method comprises:
Step 701: the gating module receives first data of first veneer transmission that links to each other with the gating module, and described first data are produced after the data that receive the testing equipment transmission by described first veneer;
Step 702: the gating module detects the signal on the throne of second veneer that links to each other with the gating module;
Wherein, the gating module comprises at least one gating unit, and then this step specifically comprises: each gating unit detects the signal on the throne of second veneer that links to each other with this gating unit.
Step 703: if there is the signal on the throne of second veneer, gating module first data that will receive from first veneer or send to second veneer of this signal correspondence on the throne then from second data that another second veneer receives, and receive second data that this second veneer returns;
Step 704: if each second veneer on the throne has all returned second data, the gating module will send to testing equipment from second data that last second veneer on the throne receives.
In the present embodiment, the gating module can be arranged on the backboard, this gating module comprises a plurality of gating units, corresponding one second veneer of each gating unit, and each gating unit all links to each other with first veneer and corresponding second veneer thereof, so that when second veneer that detects correspondence has signal on the throne, the test link of second veneer of the test link of conducting first veneer and correspondence, and when second veneer that does not detect correspondence had signal on the throne, only the test link of conducting first veneer disconnected the test link of the second corresponding veneer.
In the present embodiment, also connect first module and gating module by jtag interface, so that after the external testing equipment of this jtag interface, to first veneer of continuity test link, perhaps first veneer of continuity test link and second veneer carry out jtag test by this external testing equipment.
The communication test method of present embodiment is applied to communication equipment, this communication equipment can have the described structure of Fig. 2-5 illustrated embodiment, composition and function as described above, because in the embodiment shown in the earlier figures 2-5, this communication equipment is had been described in detail, this method is repeated no more at this.
Communication test method by present embodiment carries out jtag test to communication equipment, can promote testing efficiency, saves testing cost.
Optionally, the embodiment of the invention also provides a kind of communication equipment, it for example can be the base station, this letter equipment comprises first veneer and second veneer, in the present embodiment, this communication equipment also comprises: gating module and communication interface, wherein, described gating module links to each other respectively with first veneer and second veneer, and described communication interface links to each other respectively with first veneer and gating module; Described first veneer receives outer input data by communication interface, produces first data and sends to described gating module; Described gating module is used to receive first data of first veneer output, and when second veneer is on the throne first data is sent to second veneer, and receives second data that second veneer returns, and second data are sent to described communication interface.
In the present embodiment, communication interface can be jtag interface, and first veneer receives outer input data by the test data input pin of jtag interface, and the gating module is sent to second data test data output pin of jtag interface.
In the present embodiment, the gating module comprises gating unit, gating unit links to each other with second veneer and communication interface, be used for first data being sent to second veneer when on the throne detecting second veneer, and receive second data that second veneer returns, and second data are sent to described communication interface.
This gating module can realize by circuit in the present embodiment, for example realizes by the binary channels selector; Also can realize, for example realize the function of this gating module by chip piece or IP CORE by software, present embodiment not with this as restriction.
In the present embodiment,, realized the centralized management and the test of each board B ST function, promoted testing efficiency because the test link of first veneer and second veneer has adopted the chain type design.
Optionally, the embodiment of the invention also provides another communication equipment, it for example can be the base station, this communication equipment comprises a plurality of veneers, these a plurality of veneers comprise one first veneer and a plurality of second veneer on the throne, and in the present embodiment, this communication equipment also comprises: gating module and communication interface, wherein said gating module links to each other respectively with first veneer and a plurality of second veneer, and described communication interface links to each other respectively with first veneer and gating module; Described first veneer is used for receiving outer input data by communication interface, produces first data and sends to described gating module; Each second veneer on the throne is used to receive the data that described gating module sends, and produces second data and sends to described gating module; After described gating module is used to receive first data of described first veneer output, first data are sent to second veneer on the throne, and after receiving second data that this second veneer on the throne returns, second data that this second veneer is returned are sent to second veneer next on the throne, and receive second data that the described next one second veneer on the throne returns, and after receiving second data that last second veneer on the throne returns, second data that second veneer that last is on the throne returns are sent to described communication interface.
In the present embodiment, communication interface can be jtag interface, and first veneer receives outer input data by the test data input pin of jtag interface, and the gating module is sent to second data test data output pin of jtag interface.
In the present embodiment, the gating module comprises a plurality of gating units, and second veneer of each gating unit and a correspondence links to each other, and each gating unit links to each other successively, and first gating unit links to each other with first veneer, and last gating unit links to each other with communication interface; Each gating unit is used for when second veneer that detects correspondence is on the throne the data that receive being sent to second veneer of this correspondence, and second data returned of second veneer that receives this correspondence, and second data that second veneer that should correspondence returns are sent to next gating unit or communication interface.
In the present embodiment, first veneer is the master control borad of this communication equipment, and second veneer is the business board of this communication equipment; Perhaps, first veneer is a business board of this communication equipment, and second veneer is the master control borad of this communication equipment and at least one other business board of this communication equipment.
This gating module can realize by circuit in the present embodiment, for example realizes by the binary channels selector; Also can realize, for example realize the function of this gating module by chip piece or IP CORE by software, present embodiment not with this as restriction.
In the present embodiment,, realized the centralized management and the test of each board B ST function, promoted testing efficiency because the test link of first veneer and second veneer has adopted the chain type design.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. communication equipment, described communication equipment comprises one first veneer and at least one second veneer, it is characterized in that, described communication equipment also comprises: gating module and jtag interface, described first veneer links to each other respectively with jtag interface with the gating module, described jtag interface links to each other with described gating module, wherein:
The gating module is used for the test link of first veneer of conducting at least; Described gating module comprises a plurality of gating units, second veneer that each gating unit is corresponding with one respectively links to each other, be used for when detecting the signal on the throne of the second corresponding veneer, the test link of second veneer of conducting correspondence, perhaps when not detecting the signal on the throne of the second corresponding veneer, disconnect the test link of the second corresponding veneer;
Jtag interface is used to connect testing equipment, so that described testing equipment is to first veneer of continuity test link, or first veneer and second veneer of continuity test link have been tested.
2. communication equipment according to claim 1 is characterized in that:
Described first veneer is the master control borad of described communication equipment, and described second veneer is the business board of described communication equipment; Perhaps
Described first veneer is a business board of described communication equipment, and described second veneer is the master control borad of described communication equipment; Perhaps
Described first veneer is a business board of described communication equipment, the master control borad that described second veneer is described communication equipment and other business boards of described communication equipment.
3. communication equipment according to claim 1 is characterized in that, described a plurality of gating units connect successively, and first gating unit is connected with described first veneer, and last gating unit is connected with described jtag interface.
4. communication equipment according to claim 3 is characterized in that, described gating unit is the binary channels selector, and each binary channels selector comprises:
One is detected pin, and whether be used to detect the second corresponding veneer has signal on the throne; And
Two passages, be used for when described detection pin detects the second corresponding veneer signal on the throne is arranged, the test link of second veneer of conducting correspondence, and when described detection pin does not detect the signal on the throne of the second corresponding veneer, disconnect the test link of the second corresponding veneer;
Wherein, described two passages are first passage and second channel, and described first passage and described second channel comprise first input, second input and output respectively; First input of described first passage links to each other with the test data output pin of the second corresponding veneer; Second input of described first passage and first input of described second channel link to each other with the test data output pin of described first veneer, perhaps link to each other with the first passage output of previous binary channels selector; The output of described first passage links to each other with second input of the first passage of next binary channels selector and first input of second channel; The output of described second channel links to each other with the test data input pin of corresponding second veneer; When detecting the second corresponding veneer by described detection pin signal on the throne is arranged, first input pin of selecting described two passages is as output, the test link of conducting first veneer and corresponding second veneer; Otherwise second input pin of selecting described first passage is as output, and the test link of conducting first veneer also disconnects the test link of the second corresponding veneer.
5. communication equipment according to claim 1 is characterized in that, described each gating unit comprises:
Detecting unit is used to detect second veneer signal on the throne on the throne of whether receiving that expression is corresponding;
Processing unit, be used for when described detecting unit detects the second corresponding veneer signal on the throne is arranged, the test link of the test link of described first veneer of conducting and second veneer of described correspondence, and when detecting unit detects the second corresponding veneer and do not have signal on the throne, disconnect the test link of second veneer of described correspondence.
6. communication equipment according to claim 1 is characterized in that, described communication equipment is the base station.
7. a communication test method is characterized in that, described method comprises:
The gating module receives first data of first veneer transmission that links to each other with the gating module, and described first data are produced after the data that receive the testing equipment transmission by described first veneer;
The gating module detects the signal on the throne of second veneer that links to each other with the gating module;
If there is the signal on the throne of second veneer, gating module first data that will receive from first veneer or send to second veneer of this signal correspondence on the throne then from second data that another second veneer receives, and receive second data that this second veneer returns;
If each second veneer on the throne has all returned second data, the gating module will send to testing equipment from second data that last second veneer on the throne receives.
8. method according to claim 7 is characterized in that:
Described gating module comprises at least one gating unit, and the signal on the throne that the gating module detects second veneer that links to each other with the gating module comprises:
Each gating unit detects the signal on the throne of second veneer that links to each other with this gating unit.
9. communication equipment, described communication equipment comprises first veneer and second veneer, it is characterized in that, described communication equipment also comprises: gating module and communication interface, wherein said gating module links to each other respectively with first veneer and second veneer, and described communication interface links to each other respectively with first veneer and gating module;
Described first veneer receives outer input data by communication interface, produces first data and sends to described gating module;
Described gating module is used to receive first data of first veneer output, and when second veneer is on the throne first data is sent to second veneer, and receives second data that second veneer returns, and second data are sent to described communication interface.
10. communication equipment according to claim 9 is characterized in that:
Described communication interface is a jtag interface; Described first veneer receives outer input data by the test data input pin of jtag interface, and described gating module is sent to second data test data output pin of jtag interface.
11. communication equipment according to claim 9 is characterized in that:
Described gating module comprises gating unit, described gating unit links to each other with second veneer and communication interface, be used for first data being sent to second veneer when on the throne detecting second veneer, and receive second data that second veneer returns, and second data are sent to described communication interface.
12. communication equipment, described communication equipment comprises a plurality of veneers, it is characterized in that, described a plurality of veneer comprises one first veneer and a plurality of second veneer on the throne, described communication equipment also comprises: gating module and communication interface, wherein said gating module links to each other respectively with first veneer and a plurality of second veneer, and described communication interface links to each other respectively with first veneer and gating module;
Wherein, described first veneer is used for receiving outer input data by communication interface, produces first data and sends to described gating module;
Each second veneer on the throne is used to receive the data that described gating module sends, and produces second data and sends to described gating module;
After described gating module is used to receive first data of described first veneer output, first data are sent to second veneer on the throne, and after receiving second data that this second veneer on the throne returns, second data that this second veneer is returned are sent to second veneer next on the throne, and receive second data that the described next one second veneer on the throne returns, and after receiving second data that last second veneer on the throne returns, second data that second veneer that last is on the throne returns are sent to described communication interface.
13. communication equipment according to claim 12 is characterized in that:
Described communication interface is a jtag interface; Described first veneer receives outer input data by the test data input pin of jtag interface, and described gating module is sent to second data test data output pin of jtag interface.
14. communication equipment according to claim 12 is characterized in that:
Described gating module comprises a plurality of gating units, and second veneer of each gating unit and a correspondence links to each other, and each gating unit links to each other successively, and first gating unit links to each other with first veneer, and last gating unit links to each other with communication interface;
Each gating unit is used for when second veneer that detects correspondence is on the throne the data that receive being sent to second veneer of this correspondence, and second data returned of second veneer that receives this correspondence, and second data that second veneer that should correspondence returns are sent to next gating unit or communication interface.
15. communication equipment according to claim 12 is characterized in that:
Described first veneer is the master control borad of described communication equipment, and described second veneer is the business board of described communication equipment; Perhaps
Described first veneer is a business board of described communication equipment, at least one other business board of master control borad that described second veneer is described communication equipment and described communication equipment.
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| CN2010102708986A CN102142911A (en) | 2010-08-31 | 2010-08-31 | Communication equipment and communication test method |
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| CN2010102708986A CN102142911A (en) | 2010-08-31 | 2010-08-31 | Communication equipment and communication test method |
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| CN104899123A (en) * | 2015-04-24 | 2015-09-09 | 英业达科技有限公司 | Connection test apparatus and method of address setting signal of DIMM slot on mainboard |
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| WO2024113816A1 (en) * | 2022-11-30 | 2024-06-06 | 苏州元脑智能科技有限公司 | Control system, method, and apparatus based on joint test action group interface |
| CN118349410A (en) * | 2024-06-12 | 2024-07-16 | 上海壁仞科技股份有限公司 | Switching circuit, logic device and circuit board card for test diagnosis |
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