CN104978917B - DP vision signals automatic test approach and device - Google Patents

DP vision signals automatic test approach and device Download PDF

Info

Publication number
CN104978917B
CN104978917B CN201510427259.9A CN201510427259A CN104978917B CN 104978917 B CN104978917 B CN 104978917B CN 201510427259 A CN201510427259 A CN 201510427259A CN 104978917 B CN104978917 B CN 104978917B
Authority
CN
China
Prior art keywords
signals
signal
video
modular converter
image data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510427259.9A
Other languages
Chinese (zh)
Other versions
CN104978917A (en
Inventor
徐梦银
胡磊
肖家波
朱亚凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Jingce Electronic Group Co Ltd
Original Assignee
Wuhan Jingce Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Jingce Electronic Technology Co Ltd filed Critical Wuhan Jingce Electronic Technology Co Ltd
Priority to CN201510427259.9A priority Critical patent/CN104978917B/en
Publication of CN104978917A publication Critical patent/CN104978917A/en
Application granted granted Critical
Publication of CN104978917B publication Critical patent/CN104978917B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

The invention discloses a kind of DP vision signals automatic test approach and device, its method includes 1) receiving the parameters of DP vision signals from upper strata；2) DP signals are received, judge current demand signal for DP1.1 standard signals or DP1.2 standard signals；3) sampling is carried out to DP signals to compare compared with DP video transmission parameters, comparative result is produced into report；4) DP signals are converted into parallel bus data, video protocols examining report is produced compared with DP video protocol parameters, then by comparative result；5) the AUX channel protocol parameters in DP AUX signals are detected, comparative result is produced into report；6) parallel bus data are converted into rgb video signal, compared with benchmark image, comparative result is produced into report.The present invention can detect to DP1.1 (2.7Gbps) standard signals and DP1.2 (5.4Gbps) standard signal, including its transmission characteristic, DP agreements, image transmitting error code etc. are tested and testing result issued into upper strata.

Description

DP vision signals automatic test approach and device
Technical field
The present invention relates to the display of liquid crystal module and testing field, in particular to a kind of DP vision signals automatic test approach And device.
Background technology
Client and factory are used in a kind of DP (Display Port, being high-definition digital display interface standard) liquid crystal module Business is when carrying out production and detection, it is often necessary to detects the minimum of display effect required for whether DP vision signals can reach It is required that.In general image signal source or video flap often do not possess this function, and in test in laboratory DP signals often with showing Ripple device and protocol analyzer check signal quality and protocol requirement.But then can not so it do in production, because DP videos are believed Number data transmission rate it is very high (DP1.2 video-standard signals reach 5.4Gbps), and video image is sent out according to DP agreements Send, it is difficult to check signal waveform and raw image data with oscillograph；The detection and analysis to DP signals are caused to be difficult to manually side Formula is operated.
For this reason, it may be necessary to there is a kind of ATE can be quickly to the transmission quality and the DP agreements of transmission of DP vision signals Analyzed, judge whether that the requirement correctly shown on DP displays can be reached, can be used in the production process of Related product.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide one kind to divide DP video signal transmission qualities Analysis, test, and produce the DP vision signals automatic test approach and device of corresponding test report.
To achieve the above object, a kind of DP vision signals automatic test approach designed by the present invention, its special character exist In comprising the following steps：
1) DP video standards control signal, DP video transmission parameters, DP video protocol parameters and DP signals are received from upper strata AUX channel protocol parameters；
2) DP vision signals are received, judge that currently received DP signals are according to the DP video standards control signal DP1.1 standard signals or DP1.2 standard signals；
According to the DP video standards control signal, DP1.1 standard signals or DP1.2 standard signals to reception are carried out Sampling, detects the video transmission parameter of sampled data, and produced compared with the DP video transmission parameters, then by comparative result DP transmission characteristic examining reports, which are sent to upper strata, to be shown；
3) according to the DP video standards control signal, the DP1.1 standard signals or DP1.2 standard signals of reception are entered Row demodulation operation makes the parallel bus data that can be handled, and detects the video protocol parameters of parallel bus data, and with The DP video protocol parameters are compared, then comparative result generation video protocols examining report is sent to upper strata and shown, then will The parallel bus data are converted to rgb image data；
DP AUX signals in the DP1.1 standard signals or DP1.2 standard signals of reception are parsed, detection DP AUX AUX channel protocol parameters in signal, and produced compared with the DP signals AUX channel protocol parameters, then by comparative result The report of DP signal AUX Air conduct measurements, which is sent to upper strata, to be shown；
4) rgb image data is cached, and by each frame in the rgb image data per each pixel count of a line According to successively compared with benchmark image, then comparative result generation view data examining report is sent to upper strata and shown.
Preferably, also include before the step 3)：According to the DP video standards control signal, to the DP1.1 of reception Matching, equalization operation is terminated in standard signal or DP1.2 standard signals, to ensure that the signal for giving subsequent module is optimal The signal of quality, so as to improve detection reliability.
Preferably, the video transmission parameter includes shake, rising edge trailing edge and overshoot undershoot.
Preferably, the video protocol parameters include composition, arrangement, form and the temporal characteristicses ginseng of parallel bus data Number.
A kind of device for realizing above-mentioned DP vision signals automatic test approach, it is characterized in that, including high-level interface Module, DP signal transmission characteristicses detection module, DP signal receiving modules, DP1.1 signals demodulation modular converter, DP1.2 signal solutions Adjust modular converter, DP signal AUX channel detecting modules, benchmark image signal generator module and rgb image data detection module；
The high-level interface module is used to regard from upper strata reception DP video standards control signal, DP video transmission parameters, DP Frequency protocol parameter and DP signals AUX channel protocols parameter and be transmitted separately to DP signal transmission characteristicses detection module, DP signals connect Receive module, DP1.1 signals demodulation modular converter, DP1.2 signals demodulation modular converter, DP signal AUX channel detecting modules and RGB View data detection module, then the examining report of reception is sent to high-level interface module；
The DP signal transmission characteristicses detection module is used to sample the DP signals of reception, detects regarding for sampled data Frequency configured transmission, produce DP transmission characteristic examining reports and send to high-level interface module；
The DP signal receiving modules are used to judge currently received DP signals according to the DP video standards control signal For DP1.1 standard signals either DP1.2 standard signals and be respectively sent to DP1.1 signals demodulate modular converter or DP1.2 letter Number demodulation modular converter, and the DP AUX signals in DP signals is sent to DP signal AUX channel detecting modules；
The DP1.1 signals demodulation modular converter is used to DP1.1 standard signals being demodulated into parallel bus data, and detection is simultaneously The video protocol parameters of row bus data, produce video protocols examining report and send to high-level interface module, then will be described parallel Bus data is converted to rgb image data and sent to rgb image data detection module；
The DP1.2 signals demodulation modular converter is used to DP1.2 standard signals being demodulated into parallel bus data, and detection is simultaneously The video protocol parameters of row bus data, produce video protocols examining report and send to high-level interface module, then will be described parallel Bus data is converted to rgb image data and sent to rgb image data detection module；
The DP signals AUX channel detecting modules are used to parse DP AUX signals, detect in DP AUX signals AUX channel protocol parameters, produce the report of DP signal AUX Air conduct measurements and send to high-level interface module；
The benchmark image signal generator module is used for the benchmark image signal of input with rgb image data form, RGB Synchronizing signal mode is sent to rgb image data detection module；
The rgb image data detection module is used to that modular converter or the demodulation of DP1.2 signals will to be demodulated from DP1.1 signals Modular converter receive rgb image data compared with the reference image data received from benchmark image signal generator module, then Comparative result generation view data examining report is sent to high-level interface module.
Further, the high-level interface module respectively with DP signal transmission characteristicses detection module, DP signal receiving modules, DP1.1 signals demodulation modular converter, DP1.2 signals demodulation modular converter, DP signal AUX channel detecting modules and RGB image number Connected according to detection module, for realizing the high-level interface module from upper strata receives DP video standards control signal, DP videos pass Defeated parameter, DP video protocol parameters and DP signal AUX channel protocol parameters, DP video standard control signals are transmitted to DP signals Transmission characteristic detection module, DP signal receiving modules, DP1.1 signals demodulation modular converter, DP1.2 signals demodulation modular converter and Rgb image data detection module, DP video protocol parameters are transmitted to DP signal transmission characteristicses detection modules, by DP signals AUX Channel protocol parameter is transmitted to the function of DP signal AUX channel detecting modules.
Further, the DP signal receiving modules demodulate modular converter, DP1.2 signal solutions with DP1.1 signals respectively Modular converter is adjusted to be connected with DP signal AUX channel detecting modules, for realizing that the DP signal receiving modules regard according to the DP Frequency standard control signal judges currently received DP signals for DP1.1 standard signals or DP1.2 standard signals and sent respectively To DP1.1 signals demodulate modular converter or DP1.2 signals demodulation modular converter, by the DP AUX signals in DP signals send to The function of DP signal AUX channel detecting modules.
Further, DP1.1 signals demodulation modular converter, DP1.2 signals demodulation modular converter and the benchmark image Signal generator module is connected with rgb image data detection module, for realizing DP1.1 signals demodulation modular converter, DP1.2 letters Number demodulation modular converter rgb image data is sent to rgb image data detection module, the benchmark image signal generator module Reference image data is sent to the function of rgb image data detection module.
The beneficial effects of the present invention are：
(1) present invention energy DP vision signals are detected, including its transmission characteristic, DP agreements, image transmitting error code etc. enter Row is tested and testing result is issued into upper strata.
(2) present invention supports to examine DP1.1 (2.7Gbps) standard signals and DP1.2 (5.4Gbps) standard signal Survey.
(3) present invention AUX passages in DP signals can be detected, analyze its data whether AUX channel protocol specifications.
(4) present invention is simple to operate, and without the test equipment of other complex and expensives, testing efficiency is high, is easy in factory big Scale uses
(5) present invention can be by using FPGA (FPGA) chip, and not only working stability, realization are easy, And it is cheap, it is easy to operate.
Brief description of the drawings
Fig. 1 is the block diagram of DP vision signals automatic testing equipment of the present invention.
In figure：High-level interface module 1, DP signal transmission characteristicses detection module 2, DP signal receiving modules 3, DP1.1 signals Demodulate modular converter 4, DP1.2 signals demodulation modular converter 5, DP signal AUX channel detecting modules 6, the generation of benchmark image signal Module 7, rgb image data detection module 8.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in figure 1, a kind of DP vision signals automatic testing equipment provided by the present invention, including high-level interface module 1, DP signal transmission characteristicses detection module 2, DP signal receiving modules 3, DP1.1 signals demodulation modular converter 4, the demodulation of DP1.2 signals Modular converter 5, DP signal AUX channel detecting modules 6, benchmark image signal generator module 7 and rgb image data detection module 8.
High-level interface module 1 respectively with DP signal transmission characteristicses detection module 2, DP signal receiving modules 3, DP1.1 signals Demodulate modular converter 4, DP1.2 signals demodulation modular converter 5, DP signal AUX channel detecting modules 6 and rgb image data detection Module 8 connects, and DP signal receiving modules 3 demodulate modular converter 5 with DP1.1 signals demodulation modular converter 4, DP1.2 signals respectively Connected with DP signal AUX channel detecting modules 6, DP1.1 signals demodulation modular converter 4, DP1.2 signals demodulation modular converter 5 and Benchmark image signal generator module 7 is connected with rgb image data detection module 8.
High-level interface module 1 is used to receive DP video standards control signal, DP video transmission parameters, DP videos association from upper strata View parameter and DP signals AUX channel protocols parameter are simultaneously transmitted separately to DP signal transmission characteristicses detection module 2, DP signals reception mould Block 3, DP1.1 signals demodulation modular converter 4, DP1.2 signals demodulation modular converter 5, DP signal AUX channel detecting modules 6 and RGB View data detection module 8, then the examining report of reception is sent to high-level interface module 1.
DP signal transmission characteristicses detection module 2 is used to sample the DP signals of reception, detects the video of sampled data Configured transmission, produce DP transmission characteristic examining reports and send to high-level interface module 1.
DP signal receiving modules 3 are used to judge currently received DP signals for DP1.1 according to DP video standard control signals Standard signal either DP1.2 standard signals and be respectively sent to DP1.1 signals demodulation modular converter 4 or DP1.2 signals demodulation Modular converter 5, and the DP AUX signals in DP signals are sent to DP signal AUX channel detecting modules 6.
DP1.1 signals demodulation modular converter 4 is used to DP1.1 standard signals being demodulated into parallel bus data, and detection is parallel The video protocol parameters of bus data, produce video protocols examining report and send to high-level interface module 1, then by parallel bus number Sent according to rgb image data is converted to rgb image data detection module 8.
DP1.2 signals demodulation modular converter 5 is used to DP1.2 standard signals being demodulated into parallel bus data, and detection is parallel The video protocol parameters of bus data, produce video protocols examining report and send to high-level interface module 1, then by parallel bus number Sent according to rgb image data is converted to rgb image data detection module 8.
DP signal AUX channel detecting modules 6 are used to parse DP AUX signals, detect the AUX in DP AUX signals Channel protocol parameter, produce the report of DP signal AUX Air conduct measurements and send to high-level interface module 1.
Benchmark image signal generator module 7 is used for the benchmark image signal of input is same with rgb image data form, RGB Step aspect is sent to rgb image data detection module 8；
Rgb image data detection module 8 is used to that modular converter 4 will to be demodulated from DP1.1 signals or DP1.2 signal solutions are turned The rgb image data of the reception of block 5 is changed the mold compared with the reference image data received from benchmark image signal generator module 7, then Comparative result generation view data examining report is sent to high-level interface module 1.
The specific steps for realizing DP vision signal automatic test approach according to said apparatus include：
1) on after electricity, upper layer software (applications) sends high-level interface signal to high-level interface module 1, informs that high-level interface module 1 passes Which kind of defeated DP standard signal, is DP1.1 standard signals or DP1.2 standard signals, and high-level interface module 1 produces DP video standards Control signal, upper layer software (applications) is again by the DP1.1/DP1.2 video transmission parameters of correlation, DP1.1/DP1.2 video protocol parameters, DP Signal AUX channel protocol parameters etc. issue high-level interface module 1.
High-level interface module 1 sends DP1.1/DP1.2 video transmission parameters to DP signal transmission characteristicses detection module 2, By DP1.1 video protocol parameters send to DP1.1 signals demodulate modular converter 4, by DP1.2 video protocol parameters send to DP1.2 signals demodulate modular converter 5, and DP signal AUX channel protocol parameters are sent to DP signal AUX channel detecting modules 6.
DP video standard control signals are respectively sent to DP signal transmission characteristicses detection module 2, DP by high-level interface module 1 Signal receiving module 3, DP1.1 signals demodulation modular converter 4, DP1.2 signals demodulation modular converter 5 and rgb image data detection Module 8, it is DP1.1 standard signals or DP1.2 standard signals to inform the currently received DP signals of correlation module, and starts each phase Close module and start detection operation.
2) DP signal transmission characteristicses detection module 2 receives the DP1.1/DP1.2 vision signals of input, according to DP video standards Control signal is converted to currently received DP signal standards, samples the transmission characteristic of the DP signals of input, under shake, rising edge Drop edge, overshoot undershoot etc., and analyzed according to DP1.1, DP1.2 video transmission parameter, detect whether to meet these parameters, then produce Raw DP transmission characteristic examining reports are sent to high-level interface module 1.
DP signal receiving modules 3 judge currently received DP signals for DP1.1 standards according to DP video standard control signals Signal or DP1.2 standard signals, termination matching, the equalization operation of relevant criterion are transformed into, to ensure to give subsequent module Signal is the signal of best in quality, so as to improve detection reliability.DP1.1 standard signals or DP1.2 standard signals are sent out again DP1.1 signals demodulation modular converter 4 or DP1.2 signals demodulation modular converter 5 are delivered to, and by the DP AUX signals in DP signals Send to DP signal AUX channel detecting modules 6.
3) DP1.1 signals demodulate modular converter 4 according to DP video standard control signals, to the DP1.1 standard signals of reception It is demodulated operation and makes the parallel bus data that can be handled, further according to related DP1.1 video protocol parameters to these The characteristics such as the compositions of data, arrangement, form, sequential are analyzed, and compared with DP video protocol parameters, it is full to determine whether Sufficient protocol requirement, then give comparative result generation DP1.1 video protocols examining report to upper layer software (applications) through high-level interface module 1. When detection meets protocol requirement, DP1.1 signals demodulation modular converter 4 then extracts original view data from demodulating data And it is converted into rgb image data and gives subsequent module.
DP1.2 signals demodulate modular converter 5 according to DP video standard control signals, and the DP1.2 standard signals of reception are entered Row demodulation operation makes the parallel bus data that can be handled, and these are counted further according to related DP1.2 video protocol parameters According to composition, arrangement, form, the characteristic such as sequential analyzed, and compared with DP video protocol parameters, to determine whether to meet Protocol requirement, then give comparative result generation DP1.2 video protocols examining report to upper layer software (applications) through high-level interface module 1.When When detection meets protocol requirement, DP1.2 signals demodulation modular converter 5 then extracts original view data simultaneously from demodulating data It is converted into rgb image data and gives subsequent module.
DP signal AUX channel detecting modules 6 from DP1.1 signals to demodulating modular converter 4 or the demodulation conversion of DP1.2 signals The AUX channel protocol parameters of DP AUX signals are solved in DP1.1 standard signals or DP1.2 standard signals that module 5 receives Analysis, data therein, form, sequential are parsed, by itself and the DP signal AUX channel protocol parameters that are received from high-level interface module 1 Compare, then comparative result is produced into the report of DP signal AUX Air conduct measurements and sent to high-level interface module 1.
4) RGB image that DP1.1 signals demodulation modular converter 4 and DP1.2 signals demodulation modular converter 5 will be changed respectively Data are sent into rgb image data detection module 8 and are cached.Before detection, benchmark image signal generator module 7 inputs and DP Identical benchmark image is transmitted, and the image is sent into rgb image data detection in a manner of rgb image data, RGB synchronizing signals Module 8, rgb image data detection module 8 then when each frame starts, read the RGB image number of DP transmission from input-buffer According to per a line, each pixel data compares for progress, so as to realize the error detection of view data, then comparative result is produced and schemed As Data Detection report is sent to high-level interface module 1.The picture signal that benchmark image signal generator module 7 inputs is and DP is regarded Frequency signal transmits identical reference map image source, is inputted by equipment such as USB, SD cards.
High-level interface module 1 regards the DP transmission characteristics examining report, DP1.1 video protocols examining report, DP1.2 of reception The report of frequency protocol detection, the report of DP signal AUX Air conduct measurements, view data examining report send to upper layer software (applications) and shown.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art Say, under the premise without departing from the principles of the invention, can be devised by some improvement, these improvement also should be regarded as the guarantor of the present invention Protect scope.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.

Claims (8)

  1. A kind of 1. DP vision signals automatic test approach, it is characterised in that：Comprise the following steps：
    1) DP video standards control signal, DP video transmission parameters, DP video protocol parameters and DP signals AUX is received from upper strata to lead to Road protocol parameter；
    2) DP vision signals are received, judge that currently received DP signals are marked for DP1.1 according to the DP video standards control signal Calibration signal or DP1.2 standard signals；
    According to the DP video standards control signal, the DP1.1 standard signals or DP1.2 standard signals of reception are adopted Sample, the video transmission parameter of sampled data is detected, and DP is produced compared with the DP video transmission parameters, then by comparative result Transmission characteristic examining report, which is sent to upper strata, to be shown；
    3) according to the DP video standards control signal, the DP1.1 standard signals or DP1.2 standard signals of reception are solved Adjust operation to make the parallel bus data that can handle, detect the video protocol parameters of parallel bus data, and with it is described DP video protocol parameters are compared, then comparative result generation video protocols examining report is sent to upper strata and shown, then by described in Parallel bus data are converted to rgb image data；
    DP AUX signals in the DP1.1 standard signals or DP1.2 standard signals of reception are parsed, detect DP AUX signals In AUX channel protocol parameters, and compared with the DP signals AUX channel protocol parameters, then comparative result produced into DP letters The report of number AUX Air conduct measurements, which is sent to upper strata, to be shown；
    4) rgb image data is cached, and by each frame in the rgb image data per each pixel data of a line according to It is secondary to send to upper strata and show compared with benchmark image, then by comparative result generation view data examining report.
  2. 2. DP vision signals automatic test approach according to claim 1, it is characterised in that：Also wrapped before the step 3) Include：According to the DP video standards control signal, the DP1.1 standard signals or DP1.2 standard signals of reception are terminated Matching, equalization operation.
  3. 3. the DP vision signal automatic test approach according to claims 1 or 2, it is characterised in that：The transmission of video Parameter includes shake, rising edge trailing edge and overshoot undershoot.
  4. 4. the DP vision signal automatic test approach according to claims 1 or 2, it is characterised in that：The video protocols Parameter includes composition, arrangement, form and the temporal characteristicses parameter of parallel bus data.
  5. A kind of 5. device for the DP vision signal automatic test approach realized described in claim 1, it is characterised in that：Including upper strata Interface module (1), DP signal transmission characteristicses detection module (2), DP signal receiving modules (3), DP1.1 signals demodulation modular converter (4), DP1.2 signals demodulation modular converter (5), DP signal AUX channel detecting modules (6), benchmark image signal generator module (7) With rgb image data detection module (8)；
    The high-level interface module (1) is used to receive DP video standards control signal, DP video transmission parameters, DP videos from upper strata Protocol parameter and DP signal AUX channel protocol parameters, DP video standard control signals are transmitted to DP signal transmission characteristicses and detected Module (2), DP signal receiving modules (3), DP1.1 signals demodulation modular converter (4), DP1.2 signals demodulation modular converter (5) and Rgb image data detection module (8), DP video protocol parameters are transmitted to DP signal transmission characteristicses detection module (2), DP is believed Number AUX channel protocol parameters are transmitted to DP signal AUX channel detecting modules (6), then the examining report of reception is sent to upper strata Interface module (1)；
    The DP signal transmission characteristicses detection module (2) is used to sample the DP signals of reception, detects regarding for sampled data Frequency configured transmission, produce DP transmission characteristic examining reports and send to high-level interface module (1)；
    The DP signal receiving modules (3) are used to judge that currently received DP signals are according to the DP video standards control signal DP1.1 standard signals either DP1.2 standard signals and be respectively sent to DP1.1 signals demodulation modular converter (4) or DP1.2 letter Number demodulation modular converter (5), and the DP AUX signals in DP signals is sent to DP signal AUX channel detecting modules (6)；
    The DP1.1 signals demodulation modular converter (4) is used to DP1.1 standard signals being demodulated into parallel bus data, and detection is simultaneously The video protocol parameters of row bus data, produce video protocols examining report and send to high-level interface module (1), then by described in simultaneously Row bus data are converted to rgb image data and sent to rgb image data detection module (8)；
    The DP1.2 signals demodulation modular converter (5) is used to DP1.2 standard signals being demodulated into parallel bus data, and detection is simultaneously The video protocol parameters of row bus data, produce video protocols examining report and send to high-level interface module (1), then by described in simultaneously Row bus data are converted to rgb image data and sent to rgb image data detection module (8)；
    The DP signals AUX channel detecting modules (6) are used to parse DP AUX signals, detect in DP AUX signals AUX channel protocol parameters, produce the report of DP signal AUX Air conduct measurements and send to high-level interface module (1)；
    The benchmark image signal generator module (7) is used for the benchmark image signal of input with rgb image data form, RGB Synchronizing signal mode is sent to rgb image data detection module (8)；
    The rgb image data detection module (8) is used to that modular converter (4) or DP1.2 signal solutions will to be demodulated from DP1.1 signals Adjust the rgb image data that modular converter (5) receives and the reference image data phase received from benchmark image signal generator module (7) Compare, then comparative result generation view data examining report is sent to high-level interface module (1).
  6. 6. the device according to claim 5 for realizing DP vision signal automatic test approach, it is characterised in that：The upper strata Interface module (1) is turned with DP signal transmission characteristicses detection module (2), DP signal receiving modules (3), DP1.1 signal solutions respectively Change the mold block (4), DP1.2 signals demodulation modular converter (5), DP signal AUX channel detecting modules (6) and rgb image data detection Module (8) connects, for realizing the high-level interface module (1) from upper strata receives DP video standards control signal, DP videos pass Defeated parameter, DP video protocol parameters and DP signal AUX channel protocol parameters, DP video standard control signals are transmitted to DP signals Transmission characteristic detection module (2), DP signal receiving modules (3), DP1.1 signals demodulation modular converter (4), the demodulation of DP1.2 signals Modular converter (5) and rgb image data detection module (8), DP video protocol parameters are transmitted to DP signal transmission characteristicses and detected Module (2), DP signal AUX channel protocol parameters are transmitted to the function of DP signal AUX channel detecting modules (6).
  7. 7. the device according to claim 5 for realizing DP vision signal automatic test approach, it is characterised in that：The DP letters Number receiving module (3) respectively with DP1.1 signals demodulation modular converter (4), DP1.2 signals demodulation modular converter (5) and DP signals AUX channel detecting modules (6) connect, and believe for realizing that the DP signal receiving modules (3) control according to the DP video standards Number currently received DP signals are judged for DP1.1 standard signals or DP1.2 standard signals and are respectively sent to DP1.1 signal solutions Modular converter (4) or DP1.2 signals demodulation modular converter (5) are adjusted, the DP AUX signals in DP signals are sent to DP signals The function of AUX channel detecting modules (6).
  8. 8. the device according to claim 5 for realizing DP vision signal automatic test approach, it is characterised in that：It is described DP1.1 signals demodulation modular converter (4), DP1.2 signals demodulation modular converter (5) and benchmark image signal generator module (7) are equal It is connected with rgb image data detection module (8), for realizing that DP1.1 signals demodulate modular converter (4), DP1.2 signal solutions are turned Mold changing block (5) sends rgb image data to rgb image data detection module (8), the benchmark image signal generator module (7) reference image data is sent to the function of rgb image data detection module (8).
CN201510427259.9A 2015-07-20 2015-07-20 DP vision signals automatic test approach and device Active CN104978917B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510427259.9A CN104978917B (en) 2015-07-20 2015-07-20 DP vision signals automatic test approach and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510427259.9A CN104978917B (en) 2015-07-20 2015-07-20 DP vision signals automatic test approach and device

Publications (2)

Publication Number Publication Date
CN104978917A CN104978917A (en) 2015-10-14
CN104978917B true CN104978917B (en) 2017-12-12

Family

ID=54275385

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510427259.9A Active CN104978917B (en) 2015-07-20 2015-07-20 DP vision signals automatic test approach and device

Country Status (1)

Country Link
CN (1) CN104978917B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105679217B (en) * 2016-01-08 2018-05-04 武汉精测电子集团股份有限公司 A kind of AUX signal test systems and method
CN105915895A (en) * 2016-05-12 2016-08-31 广东威创视讯科技股份有限公司 Video signal detection method
CN105957016B (en) * 2016-06-16 2019-03-26 武汉精测电子集团股份有限公司 A kind of method and device for being stretched to image
CN106844273B (en) * 2016-12-13 2021-06-29 硅谷数模半导体（北京）有限公司 Method and device for accessing DP auxiliary channel
CN108597426B (en) * 2018-03-26 2021-03-09 武汉精测电子集团股份有限公司 AUX channel amplitude adjusting device and method in DP interface
CN109521834B (en) * 2018-10-31 2021-04-06 武汉精立电子技术有限公司 DP signal generating device and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0775083A (en) * 1993-09-06 1995-03-17 Nec Corp Catv network monitor system
CN104469351A (en) * 2014-12-11 2015-03-25 武汉精测电子技术股份有限公司 Method for detecting LVDS video signals generated by video source
CN104469353A (en) * 2014-12-11 2015-03-25 武汉精测电子技术股份有限公司 Device for detecting quality of LVDS video signals
CN104469349A (en) * 2014-12-11 2015-03-25 武汉精测电子技术股份有限公司 Method for detecting MIPI video signals generated by video source

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100612691B1 (en) * 2004-04-30 2006-08-16 에스케이 텔레콤주식회사 Systems and Methods for Measurement of Video Quality

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0775083A (en) * 1993-09-06 1995-03-17 Nec Corp Catv network monitor system
CN104469351A (en) * 2014-12-11 2015-03-25 武汉精测电子技术股份有限公司 Method for detecting LVDS video signals generated by video source
CN104469353A (en) * 2014-12-11 2015-03-25 武汉精测电子技术股份有限公司 Device for detecting quality of LVDS video signals
CN104469349A (en) * 2014-12-11 2015-03-25 武汉精测电子技术股份有限公司 Method for detecting MIPI video signals generated by video source

Also Published As

Publication number Publication date
CN104978917A (en) 2015-10-14

Similar Documents

Publication Publication Date Title
CN104978917B (en) DP vision signals automatic test approach and device
CN104967844B (en) LVDS video signal automatic test approach and device
US8793541B2 (en) Link equalization tester
US20070081471A1 (en) Apparatus and method for analyzing packet data streams
CN201986083U (en) Device for automatically detecting circuit board
CN104992650B (en) MIPI signals automatic test approach and device
CN203733445U (en) Large screen detection and display device
CN1996442A (en) Detecting and adjusting device for display color temperature and method therefor
CN102170580B (en) Television testing method, device and system
CN102421009A (en) Automatic video signal testing method
CN103686186B (en) Data transmission platform
US20130137380A1 (en) Method and system for testing a wireless network device
CN102244806A (en) Method and system for automatically testing reception performance parameters of digital television
CN106572347B (en) MIPI signal resolution method and apparatus
CN102248254B (en) Data processing system and method
CN101448179A (en) Automatic digital television receiving terminal test system, method and test equipment
CN103606348B (en) A kind of failure detector of displayer of video player and method
CN101958998A (en) Image data transmission system
CN102348127B (en) Television picture quality detection system and method
CN205320085U (en) Eye pattern test system of 100M ethernet interface
CN107172420A (en) IPTV and OTT set-top box quality automatic method of testing
WO2019144872A1 (en) Compositing video signals and stripping composite video signal
CN106373511B (en) Multichannel LVDS clock line detection method and system
CN114337708A (en) Data transmission circuit, method and chip
CN107885692A (en) A kind of method, apparatus and electronic equipment of the sampling of multi-path serial data adaptive

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 430070 Hubei Province, Wuhan city Hongshan District Road No. 48 bookstore (North Industrial Park) 1 building 11 layer

Patentee after: Wuhan fine test electronics group Limited by Share Ltd

Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No.

Patentee before: Wuhan Jingce Electronic Technology Co., Ltd.

CP03 Change of name, title or address