CN101996613B - Output testing method, system and platform of electronic device - Google Patents
Output testing method, system and platform of electronic device Download PDFInfo
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- CN101996613B CN101996613B CN 200910166235 CN200910166235A CN101996613B CN 101996613 B CN101996613 B CN 101996613B CN 200910166235 CN200910166235 CN 200910166235 CN 200910166235 A CN200910166235 A CN 200910166235A CN 101996613 B CN101996613 B CN 101996613B
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Abstract
The invention relates to an output testing method, system and platform of an electronic device. The output testing method of the electronic device comprises: a tested device transmits a first signal to the testing platform through a tested channel so that the testing platform analyzes whether the signal received by the tested channel corresponds to the first signal or not. When the received signal corresponds to the first signal, the function of the tested channel of the tested device is judged to be normal. When the received signal does not correspond to the first signal, the function of the tested channel of the tested device is abnormal.
Description
Technical field
The present invention relates to a kind of electronic installation output method of testing and application thereof, particularly relate to a kind of audio-visual output method of testing and application thereof.
Background technology
(Video Graphics Array VGA) is the general at present display interface standard that the most widely adopts on the market to Video Graphics Array.Because in the past conventional screen only receives analog signal, so the display card of computing machine needs convert digital signal to analog signal, can be presented on the screen.Yet, in the process of conversion, can cause the depletion of signal, thereby the feasible image distortion that presents.
Therefore, (Digital Visual Interface, specification DVI) make signal walk the transmission mode of fully digitalization, are sent to screen and present to have occurred Digital Visual Interface on the market.Owing to lacked the process of conversion once, made display quality that greatest lifting has been arranged naturally.Yet, because the frequency range deficiency of DVI causes the display effect of the large scale screen that adopts the DVI interface to be very restricted.
So, released again on the market high resolution multimedia interface with high transmission frequency width (reaching as high as 5Gbps) (High Definition Multimedia Interface, HDMI).Wherein, HDMI can not only transmit image signal, and further the transmission of sound signal is incorporated into wherein.Therefore, AV device miscellaneous similarly is box on the machine, DVD player, Digital Television, monitor, projector or the like, includes HDMI in support successively invariably.
Along with constantly weeding out the old and bring forth the new of above-mentioned demonstration, therefore each tame manufacturer produces the AV device of supporting multiple display interface one after another for the different consumer of the demand of rushing to attack.Yet the past needs AV device is connected the display device of supporting multiple display interface when the test AV device.Then, transmit testing image to display device by each display interface one by one, and whether inspect the image that display device presents by human eye correct, to test each display interface.When the AV device number of need detection was huge, above-mentioned test process was not only consuming time and need expend a large amount of manpowers.
Summary of the invention
Therefore, a purpose of the present invention provides a kind of electronic installation output method of testing, system and platform, with being sent to channel under test so that device under test will be tested signal, test platform is by analyzing whether corresponding test signal of the signal that receives from channel under test, and whether function is normal to judge the channel under test of device under test.
According to one embodiment of the invention, a kind of electronic installation output method of testing comprises: make a device under test transmit one first signal to a test platform by a channel under test.Make the test platform analysis from a signal that channel under test received corresponding first signal whether.When signal correspondence first signal that is received, judge that the channel under test of device under test is that function is normal.When the signal that is received not is corresponding first signal, judge that the channel under test of device under test is a dysfunction.
According to another embodiment of the present invention, a kind of electronic installation output test macro comprises a channel under test, a device under test and a test platform.Device under test comprises at least one first transmission interface that is electrically connected tested passage, in order to one first signal, transfers to tested passage.Test platform comprises at least one second transmission interface and a processing module.Second transmission interface is electrically connected tested passage, in order to receive a signal from channel under test.Whether processing module is electrically connected second transmission interface, identical by comparison first signal and the signal that received by second transmission interface, and whether function is normal to judge first transmission interface of device under test.Wherein, when first signal and the signal that received are identical, judge that the function of first transmission interface of device under test is normal.
According to further embodiment of this invention, a kind of test platform of electronic installation output comprises a plurality of transmission interfaces, and selects a module and a processing module.Transmission interface is electrically connected a device under test by a plurality of transmission channels respectively.Select module to select signal, select one of them of transmission interface, as a tested passage according to one.Device under test transfers to channel under test with one first signal.The test platform of electronic installation output receives a signal by selecteed transmission interface from channel under test.Processing module is electrically connected with transmission interface, and whether in order to identical by comparison first signal and the signal that received, whether function is normal to judge the channel under test of device under test.Wherein, when first signal and the signal that received are identical, judge that the channel under test of device under test is that function is normal.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, the accompanying drawings embodiments of the invention.
Fig. 1 shows the functional block diagram according to a kind of electronic installation output test macro of an embodiment of the present invention.
Fig. 2 is the process flow diagram according to a kind of electronic installation output method of testing of another embodiment of the present invention.
The reference numeral explanation
100: device under test 240: select module
111,112 ..., 11n: transmission interface 300: select transmission interface
130: select module 311～31n: transmission channel
200: test platform 400: electronic installation output method of testing
210: processing module 410～490: step
231,232 ..., 23n: transmission interface
Embodiment
Please refer to Fig. 1, it shows the functional block diagram according to a kind of electronic installation output test macro of an embodiment of the present invention.The device under test of electronic installation output test macro will be tested signal and be sent to channel under test, the test platform of electronic installation output test macro is by analyzing whether corresponding test signal of the signal that receives from channel under test, and whether function is normal to judge the channel under test of device under test.
Electronic installation output test macro comprises the test platform 200 and a tested passage 311 of a device under test 100 and electronic installation output.Device under test 100 comprises a transmission interface 111, and test platform 200 comprises a transmission interface 231 and a processing module 210.The transmission interface 111 of device under test 100 and the transmission interface 231 of test platform 200 are to be electrically connected by tested passage 311.
Wherein, device under test 100 can comprise a plurality of transmission interfaces 111,112 ..., 11n, and test platform 200 also can comprise a plurality of transmission interfaces 231,232 ..., 23n, in order to the transmission interface 111,112 that is electrically connected device under test 100 respectively ..., 11n, and form a plurality of transmission channels 311,312 ..., 31n.In other words, when using electronic installation of the present invention to export test macro, can be earlier with a plurality of transmission interfaces 111,112 of device under test 100 ..., 11n, be electrically connected one by one a plurality of transmission interfaces 231,232 of going up test platform 200 ..., 23n, with to be tested.Wherein, transmission channel 311,312 ..., 31n can be image transmission channel, transfer voice channel or audio-visual transmission channel.In fact, transmission channel 311,312 ..., 31n can use HDMI (High Definition Multimedia Interface) (High Definition MultimediaInterface, HDMI), Digital Visual Interface (Digital Visual Interface, DVI), S video signal (S-video), composite video (Composite video), aberration (Component Video), Video Graphics Array (Video Graphics Array, VGA), stereo (stereo) or other audio-visual transmission interface.
Next, by one of device under test 100 select module 130 select transmission interfaces 111 ..., 11n one of them.For instance, selecting module 130 in the present embodiment is to select transmission interface 111, and therefore the transmission channel 311 that makes selecteed transmission interface 111 be connected is regarded as tested passage 311.One of test platform 200 selects 240 of modules to select transmission interface 300 by one, obtains the information (or be called one select signal) of the selection module 130 selected transmission interfaces 111 of device under test 100.Wherein, select transmission interface 300 can use RS-232 or other transmission interface, to be electrically connected with the selection module 130 of device under test 100 and the selection module 130 of test platform 200 respectively.Then, select module 240 according to selecting signal, transmit certainly interface 231,232 ..., 23n, select transmission interface 231.Next, the transmission channel 311 that transmission interface 231 is connected is as tested passage 311.Wherein, the information of transmission interface 111 can comprise channel under test 111 applied audio-visual transport interface, make by this to select module 240 to select because use identical audio-visual transmission interface, and the transmission interface 231 that joins by channel under test 311 and transmission interface 111.In addition, the information of transmission interface 111 can comprise the identifying information (as identiflication number) of transmission interface 111, selects module 240 to select corresponding transmission interface 231 and make.Yet in other embodiments, the information of transmission interface 111 can comprise out of Memory, in order to as selecting module 240 to select the foundation of transmission interface 231, is not limited to present embodiment.In addition, in other embodiments, also can make the transmission interface number of device under test be different from the transmission interface number of test platform.In addition, in other embodiments, also can make the selection module 240 of test platform 200 select transmission interfaces 231, and the selection module 130 that makes device under test 100 with the transmission interface 111 of selection correspondence.
After selecting transmission interface 111, the transmission interface 111 of device under test 100 transfers to the tested passage 311 that it connects with first signal.Wherein, transmission interface 111 can be changed first signal, to transfer to tested passage 311 according to tested passage 311 applied transmission interface standards.For instance, when tested passage 311 was the application HDMI (High Definition Multimedia Interface), transmission interface 111 was converted to the applied form of HDMI (High Definition Multimedia Interface) with first signal, to transfer to tested passage 311.Yet, in other embodiments, can comply with tested passage 311 applied audio-visual transport interface, and convert first signal to different-format, be not limited to present embodiment.In addition, when transmission interface 111 has a plurality of pin, can be by first signal of particular design, and make first signal transfer to tested passage 311 by each pin one by one.Thus, just can test each pin of the transmission interface 111 of device under test 100.
The transmission interface 231 of test platform 200 receives a signal from channel under test 311.Whether the processing module 210 of test platform 200 identical by the signal that comparison first signal and transmission interface 231 are received, the transmission interface 111 of judging device under test with and the channel under test 311 that passed through whether function is normal.Wherein, when first signal and the signal that received are identical, judge that the transmission interface 111 and the channel under test 311 of device under test 100 is that function is normal.In addition, because video de-interleaving solution scanning chip (deinterlacer/scalar) can be handled audio-visual signal, therefore can use the real module 210 that deals with of video de-interleaving solution scanning chip.Yet in other embodiments, processing module 210 also can be used the processing components of other type, is not limited to present embodiment.
Please refer to Fig. 2, it is the process flow diagram according to a kind of electronic installation output method of testing of another embodiment of the present invention.In electronic installation output method of testing, a device under test will test signal and be sent to a tested passage, and a test platform is by analyzing the whether corresponding signal of testing of the signal that receives from channel under test, and whether function is normal to judge the channel under test of device under test.Electronic installation output method of testing 400 comprises following steps:
In step 410, make a test platform transmit initial signal to a device under test.In step 420, after device under test is received initial signal, make device under test begin to transmit one first signal to test platform by a channel under test.Wherein, when device under test had the passage a plurality of to be measured that is electrically connected with test platform respectively, test platform can be selected channel under test in channel to be measured, and makes the initial signal that is transmitted comprise the information of channel under test.Thus, device under test can be according to the information of the channel under test in the initial signal, and transmit first signal to test platform (step 420) by selected channel under test.Wherein, channel under test and channel to be measured can be used HDMI (High Definition Multimedia Interface), Digital Visual Interface, S video signal, composite video, aberration, Video Graphics Array, stereo or other audio-visual transport interface.Therefore, when transmitting first signal (step 420), can convert first signal to corresponding form according to the employed audio-visual transmission interface of tested passage.
In addition, can before step 420, send one and confirm to require, confirm signal to obtain one from the channel under test of device under test to device under test.Wherein, when obtaining the affirmation signal from the channel under test of device under test, judge that the channel under test of device under test is activation (enabled) state, thereby make test platform prepare to receive signal from the channel under test of device under test.
In step 430, judge whether test platform in a period of time after transmitting initial signal, receives signal from device under test.After a period of time after transmitting initial signal, if test platform is not received signal from device under test yet, then judge between device under test and the channel under test or channel under test and test platform between contact (step 490) unusually.Next, make test platform transmit initial signal, with the next tested passage of test device under test to device under test (step 410).Thus, after step 490, can detect at contacting between the chip pin of the channel under test of device under test and the circuit board, or detect other may cause between device under test and the channel under test or channel under test and test platform between contact unusual factor.
In a period of time after transmitting initial signal,, make the test platform analysis from signal that channel under test received corresponding first signal (step 440) whether if when device under test is received signal.Wherein, step 440 can be analyzed by whether comparison first signal and the signal that received be identical.When first signal and the signal that received are identical, judge that then the signal that receives from channel under test is corresponding first signal.When first signal and the signal that received are inequality, judge that then the signal that receives from channel under test is not corresponding first signal.Yet, in other embodiments, also can use other analytical approach, analyze from signal that channel under test received corresponding first signal (step 440) whether, be not limited to present embodiment.
When being corresponding first signal from the signal that channel under test received, the channel under test of then judging device under test is function normal (step 450).Next, the channel under test of demonstration and record device under test is function normal (step 460), and makes test platform transmit initial signal to device under test (step 410), with the next tested passage of test device under test.
When the signal that is received not was corresponding first signal, the channel under test of then judging device under test was dysfunction (step 470).Next, the channel under test of demonstration and record device under test is dysfunction (step 480), and makes test platform transmit initial signal to device under test (step 410), with the next tested passage of test device under test.Thus, by electronic installation output method of testing 400, can finish test one by one to each passage to be measured of device under test.
By the invention described above embodiment as can be known, use the present invention and have following advantage.Only need a plurality of transmission interfaces, connect transmission interface corresponding on the proving installation, can test each transmission interface of device under test with device under test.Especially, when device under test was AV device, using the present invention can not need in response to each transmission interface, and uses different display device, presents testing image.Thereby, can reduce the acquisition cost of the display device of corresponding different transmission interfaces.In addition, only AV device to be measured need be connected test platform, and need not use manpower to inspect testing image or sound that AV device is exported, further save manpower required when testing.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; those skilled in the art can be used for a variety of modifications and variations under the premise without departing from the spirit and scope of the present invention, so protection scope of the present invention is as the criterion with claim of the present invention.
Claims (16)
1. an electronic installation is exported method of testing, comprises:
Make a device under test transmit test signal to a test platform by a channel under test;
Make this test platform analysis from a signal that this channel under test received whether to testing signal;
To should test signal the time, this channel under test of judging this device under test is that function is normal at this signal that is received; And
At this signal that is received not is to should test signal the time, judge this device under test this channel under test be dysfunction.
2. electronic installation output method of testing as claimed in claim 1 also comprises:
Make this test platform transmit an initial signal, make this device under test begin to transmit this test signal to this test platform by this by this channel under test to this device under test; And
Transmitting this initial signal after a period of time, if this test platform does not receive signal yet, then judge between this device under test and this channel under test or this tested passage and this test platform between contact unusually.
3. electronic installation output method of testing as claimed in claim 1 also comprises:
Sending one confirms to require to this device under test, obtain one with this channel under test of this device under test certainly and confirm signal, wherein when when this channel under test of this device under test is obtained this affirmation signal, this channel under test of judging this device under test is an enabled status, and makes this test platform prepare to receive this signal from this channel under test of this device under test.
4. electronic installation as claimed in claim 1 output method of testing, wherein when this device under test had a plurality of channel to be measured, this electronic installation output method of testing also comprised:
Select this channel under test from described channel to be measured.
5. electronic installation output method of testing as claimed in claim 1, wherein this channel under test is image transmission channel, transfer voice channel or audio-visual transmission channel.
6. an electronic installation is exported test macro, comprises:
One tested passage;
One device under test comprises:
At least one first transmission interface is electrically connected this tested passage, with a test signal, transfers to this tested passage;
One test platform comprises:
At least one second transmission interface is electrically connected this tested passage, and this channel under test receives a signal certainly; And
One processing module, be electrically connected this second transmission interface, whether identical by this signal of comparing this test signal and received by this second transmission interface, whether function is normal to judge this first transmission interface of this device under test, wherein when this test signal and this signal of being received are identical, judge that the function of this first transmission interface of this device under test is normal.
7. electronic installation output test macro as claimed in claim 6, wherein this first transmission interface has a plurality of pins, and this test signal transfers to this tested passage by the described pin of this transmission interface one by one.
8. electronic installation output test macro as claimed in claim 6, wherein this channel under test is image transmission channel, transfer voice channel or audio-visual transmission channel.
9. electronic installation output test macro as claimed in claim 6, wherein this tested passage is to use HDMI (High Definition Multimedia Interface), Digital Visual Interface, S video signal, composite video, aberration, Video Graphics Array or stereo.
10. electronic installation output test macro as claimed in claim 6, wherein this electronic installation output test platform system also comprises a plurality of transmission channels, when the number of this at least one first transmission interface is a plurality of, described first transmission interface is electrically connected one by one with described transmission channel respectively, and this device under test also comprises:
One selects module, selects one of them of described first transmission interface, and this transmission channel that selecteed this first transmission interface is connected, as this tested passage.
11. electronic installation output test macro as claimed in claim 10 also comprises:
One selects transmission interface, and wherein this test platform is selected transmission interface by this, obtains the information of selected this channel under test of this selection module, makes this second transmission interface from selected this channel under test of this selection module by this, receives this signal.
12. electronic installation output test macro as claimed in claim 11, wherein this selection transmission interface is RS-232.
13. electronic installation output test macro as claimed in claim 6, wherein this processing module of this testing of electronic devices platform is a video de-interleaving solution scanning chip.
14. the test platform of an electronic installation output comprises:
A plurality of transmission interfaces are electrically connected a device under test by a plurality of transmission channels respectively;
One selects module, select signal according to one, select one of them of described transmission interface, as a tested passage, wherein this device under test transfers to this channel under test with a test signal, and the test platform of this electronic installation output is by selecteed this transmission interface, and this channel under test receives a signal certainly; And
One processing module, be electrically connected with described transmission interface, whether identical by this signal of comparing this test signal and received, whether function is normal to judge this channel under test of this device under test, wherein when this test signal and this signal of being received were identical, this channel under test of judging this device under test was that function is normal.
15. the test platform of electronic installation output as claimed in claim 14 also comprises:
One selects transmission interface, is electrically connected this device under test, and wherein this selection module is selected transmission interface by this, and this device under test is obtained this selection signal certainly.
16. the test platform of electronic installation output as claimed in claim 14, wherein this processing module is a video de-interleaving solution scanning chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910166235 CN101996613B (en) | 2009-08-20 | 2009-08-20 | Output testing method, system and platform of electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910166235 CN101996613B (en) | 2009-08-20 | 2009-08-20 | Output testing method, system and platform of electronic device |
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| CN101996613A CN101996613A (en) | 2011-03-30 |
| CN101996613B true CN101996613B (en) | 2013-07-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI475237B (en) * | 2013-01-18 | 2015-03-01 | Giga Byte Tech Co Ltd | Inspection system for mutiple image signals and inspection method thereof |
| CN104678279A (en) * | 2013-11-29 | 2015-06-03 | 英业达科技有限公司 | System and method for testing connecting slot by using testing vector |
| TWI551114B (en) * | 2014-09-30 | 2016-09-21 | 和碩聯合科技股份有限公司 | Multimedia interface detecting system and detecting method |
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