CN105163113B - HDMI test fixture and method of testing - Google Patents
HDMI test fixture and method of testing Download PDFInfo
- Publication number
- CN105163113B CN105163113B CN201510631281.5A CN201510631281A CN105163113B CN 105163113 B CN105163113 B CN 105163113B CN 201510631281 A CN201510631281 A CN 201510631281A CN 105163113 B CN105163113 B CN 105163113B
- Authority
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- China
- Prior art keywords
- hdmi
- top box
- television set
- unit
- parameter
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The present invention relates to a kind of HDMI test fixture and method, television set HDMI is independent, and the parameter of each brand television is respectively written into television set brand parameter unit by control unit, television set to simulate different brands is tested, without the television set of multiple brands, testing cost is greatly reduced, and television set is changed also without continuously plug HDMI wire, it is simple and convenient, brought great convenience to test.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of HDMI test fixture and method of testing.
Background technology
With the popularization of digital TV in high resolution, possess the HDMI (high definition media interface) of high definition fan-out capability by
Gradually turn into the requisite interfaces of high definition set top box, and to HDMI designed reliability requirement also more and more higher.
Used because the HDMI of Set Top Box needs to be attached with television set, and television set has many brands, no
Had differences with brand television.Set Top Box is possible to the HDMI on certain brand television and does not export or export not
Normal phenomenon, this show the output of Set Top Box HDMI and the brand television there is a problem of it is incompatible be adapted to, this is by pole
Big the normal of influence Set Top Box is used.To ensure that Set Top Box is capable of the television set of compatible different brands, current conventional way is all
It is that HDMI compatibility test is carried out by using the television set of brand as much as possible, but this method of testing needs
The many television sets of various brands, it is relatively costly, and need continuously plug HDMI wire to change television set, see that television set is
No normally to export, cumbersome time-consuming, and greatly inconvenience is carried out to calibration tape.
The content of the invention
In view of this, it is necessary to for above-mentioned HDMI testing cost is higher, the cumbersome problem that time-consuming, there is provided
A kind of HDMI test fixture and method of testing.
The present invention provides a kind of HDMI test fixture, including：HDMI unit, television set brand parameter unit with
And control unit；Shown HDMI unit is connected by HDMI wire with the HDMI of Set Top Box, and shown control unit is used for
The parameter of each brand television is respectively written into television set brand parameter unit, compatibility test, the HDMI is carried out
After unit is connected with the HDMI of Set Top Box, television set brand parameter list is read by the HDMI unit by Set Top Box
The television set parameter write in unit carries out compatibility test, if the HDMI of Set Top Box is compatible with the brand television, machine top
Box can send data and control unit and can receive to described control unit, if incompatible, Set Top Box can not send number
According to described control unit cannot be received.
In one of which implementation method, the HDMI unit include HPD pins, TMDS passages, DDC passages with
And CEC pins；When HDMI unit is connected with the HDMI of Set Top Box, the HPD pins send HPD signal to machine top
Box informs that Set Top Box is connected with HDMI test fixture, and television set brand is read by the DDC passages by Set Top Box
The television set parameter write in parameters unit carries out compatibility test, and the TMDS passages are passed through to institute from Set Top Box if compatibility
State control unit output data.
In one of which implementation method, send HPD signal by GPIO and switch to Set Top Box to realize；It is described to open
One end connection GPIO is closed, the other end is used to connect the HDMI of Set Top Box, set top box side HDMI is switched by being opened and closed
The low and high level state that HPD pins are received.
In one of which implementation method, the HDMI test fixture also reports an error processing unit including test；Institute
State test to report an error processing unit simulation test abnormal conditions, can detection HDMI test fixture accurately identify and position and carry out
Treatment.
In one of which implementation method, the television set brand parameter unit uses E2PROM.
In one of which implementation method, described control unit includes single-chip microcomputer and peripheral circuit；The peripheral circuit
Including clock circuit and reset circuit, the single-chip microcomputer is programmed by two I/O ports to the E2PROM, writes difference
The parameter of brand television simulates the television set of different brands.
The present invention also provides a kind of HDMI method of testing, comprises the following steps：
S10：The HDMI of television set is independent, and control unit and television set brand parameter unit are provided, control
Unit processed is used to be respectively written into television set brand parameter unit the parameter of each brand television；
S20：Independent HDMI is connected with the HDMI of Set Top Box, by Set Top Box by independent HDMI
Reading the television set parameter write in television set brand parameter unit carries out compatibility test；
S30：If the HDMI of Set Top Box is compatible with the brand television, Set Top Box can be to control unit:Send
Data and control unit can be received；If incompatible, Set Top Box can not send data, and control unit cannot be received.
In one of which implementation method, methods described also includes：Can simulation test abnormal conditions, detection accurately be known
Do not position and processed.
In one of which implementation method, the television set brand parameter unit uses E2PROM.
In one of which implementation method, described control unit includes single-chip microcomputer and peripheral circuit；The peripheral circuit
Including clock circuit and reset circuit, the single-chip microcomputer is programmed by two I/O ports to the E2PROM, writes difference
The parameter of brand television simulates the television set of different brands.
HDMI test fixture of the present invention and method, television set HDMI is independent, and by control unit
The parameter of each brand television is respectively written into television set brand parameter unit surveyed simulating the television set of different brands
Examination, without the television set of multiple brands, greatly reduces testing cost, and also without continuously plug
HDMI wire changes television set, simple and convenient, is brought great convenience to test.
Brief description of the drawings
Fig. 1 is the structure chart of the HDMI test fixture in one embodiment；
Fig. 2 is the flow chart of the HDMI method of testing in one embodiment.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Fig. 1 is the structure chart of the HDMI test fixture in one embodiment, as shown in figure 1, the test fixture includes：
HDMI unit 100, television set brand (or model) parameters unit 200 and control unit 300.HDMI unit
100 are connected by HDMI wire with the HDMI of Set Top Box.Control unit 300 is used for 200 points of television set brand parameter unit
The parameter of each brand television is not write, carries out compatibility test.HDMI unit 100 connects with the HDMI of Set Top Box
After connecing, the television set parameter write in television set brand parameter unit 200 is read by HDMI unit 100 by Set Top Box and is entered
Row compatibility test, if the HDMI of Set Top Box is compatible with the brand television, Set Top Box can send to control unit 300
Data and control unit 300 can be received, if incompatible, Set Top Box can not send data, and control unit 300 cannot connect
Receive.So, by independent HDMI unit 100, and by control unit 300 to television set brand parameter unit 200
It is respectively written into the parameter of each brand television and is tested simulating the television set of different brands, without multiple product
The television set of board, greatly reduces testing cost, and change television set, operation also without continuously plug HDMI wire
It is simple and convenient, brought great convenience to test.
In this embodiment, HDMI unit 100 includes that HPD (hot plug detection) pin, TMDS (minimize transmission poor
Sub-signal) passage, DDC (direct data control) passages and CEC (consumer electronics control) pin.HDMI unit 100
When being connected with the HDMI of Set Top Box, HPD pins send HPD signal to Set Top Box and inform that Set Top Box is surveyed with HDMI
Examination fixture connection.Reading the television set parameter write in television set brand parameter unit 200 by DDC passages by Set Top Box is carried out
Compatibility test, Set Top Box passes through TMDS passages to the output data of control unit 300 if compatibility.
Because the HPD pins (or CEC pins) of HDMI (both Set Top Box and test fixture) are by receiving
To low and high level state control to send HPD signal, therefore send HPD signal to Set Top Box and pass through GPIO (universal inputs/defeated
Go out) and switch realize.Switch one end connection GPIO, the other end is used to connect the HDMI of Set Top Box, is cut by being opened and closed
Change the low and high level state that set top box side HDMI HPD pins are received.For example when switch is pressed down, set top box side HPD draws
Pin receives high level and produces HPD signal, equivalent to the state that HDMI wire inserts Set Top Box；Not on time, HPD pins are received switch
HPD signal is not produced to low level, equivalent to the state that HDMI wire is not inserted into Set Top Box, can be by ceaselessly switching switch
To simulate hot plug, similarly CEC functions.
Meanwhile, when tradition is tested, can sometimes encounter Set Top Box problematic or be that television set is present
Defect causes Set Top Box to communicate abnormal with television set, incompatible test result occurs, and common HDMI abnormal conditions have：TMDS
Passage, DDC passage short circuits cause television set to be exported without picture or output picture color distortion, standby to cannot get up；Television set
Parameter according to standard criterion to not causing Set Top Box to recognize abnormal test result so as to produce mistake etc..When meeting these
During abnormal conditions, to make HDMI test fixture enough quickly position and be solved, the HDMI test fixture also includes
Test the processing unit that reports an error.The test tests such as the short circuit of processing unit analog channel, open circuit, the error of television set parameter that report an error are abnormal
Can situation, detection HDMI test fixture accurately identify and position and processed.So, reported an error by test and process single
Can unit, the various test abnormal conditions that simulation may occur, detection HDMI test fixture accurately identify, and provide standard
True test result, it is to avoid abnormal conditions influence test result.
Television set brand parameter unit 200 is using E2PROM (electricallyerasable ROM (EEROM)), and E2PROM storage controls are single
The parameter of each brand television of the write-in of unit 300.
Control unit 300 includes single-chip microcomputer and peripheral circuit.Peripheral circuit includes clock circuit and reset circuit, it is ensured that single
Piece machine normal work.Single-chip microcomputer is programmed by two I/O ports to E2PROM, and the parameter for writing different brands television set is come
Simulate the television set of different brands.So test when, avoid the need for looking for the television set of different brands to be tested, only need
E2PROM is programmed by single-chip microcomputer, it is possible to which the television set for simulating different brands is used, and is greatly saved cost,
It is simple and convenient.
The HDMI test fixture, television set HDMI 100 is independent, and by control unit 300 to electricity
The parameter of each brand television is respectively written into depending on machine brand parameter unit 200 surveyed simulating the television set of different brands
Examination, without the television set of multiple brands, greatly reduces testing cost, and also without continuously plug
HDMI wire changes television set, simple and convenient, is brought great convenience to test.
Meanwhile, the present invention also provides a kind of HDMI method of testing, as shown in Fig. 2 the method comprises the following steps：
S10：The HDMI of television set is independent, and control unit and television set brand parameter unit are provided, control
Unit processed is used to be respectively written into television set brand parameter unit the parameter of each brand television.
S20：Independent HDMI is connected with the HDMI of Set Top Box, by Set Top Box by independent HDMI
Reading the television set parameter write in television set brand parameter unit carries out compatibility test.
S30：If the HDMI of Set Top Box is compatible with the brand television, Set Top Box can be to control unit:Send
Data and control unit can be received；If incompatible, Set Top Box can not send data, and control unit cannot be received.
So, by independent HDMI, and it is respectively written into television set brand parameter unit by control unit
The parameter of each brand television is tested simulating the television set of different brands, without the TV of multiple brands
Machine, greatly reduces testing cost, and changes television set also without continuously plug HDMI wire, it is simple to operate just
Victory, brings great convenience to test.
Further, when tradition is tested, can sometimes encounter Set Top Box it is problematic or be television set exist
Some defects cause Set Top Box to communicate abnormal with television set, incompatible test result occur, and common HDMI abnormal conditions have：
TMDS passages, DDC passage short circuits cause television set to be exported without picture or output picture color distortion, standby to cannot get up；TV
The parameter of machine according to standard criterion to not causing Set Top Box to recognize abnormal test result so as to produce mistake etc..When encountering
During these abnormal conditions, to make HDMI test fixture enough quickly position and be solved, the HDMI method of testing is also
Including step：Can the test abnormal conditions such as analog channel short circuit, open circuit, the error of television set parameter, detection accurately identify positioning
And processed.So, the various test abnormal conditions that may occur are simulated, detects that can the method for testing accurately identify, and
And providing accurate test result, it is to avoid abnormal conditions influence test result.
Television set brand parameter unit uses E2PROM (electricallyerasable ROM (EEROM)), and E2PROM storage control units are write
The parameter of each brand television for entering.
Control unit includes single-chip microcomputer and peripheral circuit.Peripheral circuit includes clock circuit and reset circuit, it is ensured that monolithic
Machine normal work.Single-chip microcomputer is programmed by two I/O ports to E2PROM, and the parameter for writing different brands television set carrys out mould
Intend the television set of different brands.So test when, avoid the need for looking for the television set of different brands to be tested, it is only necessary to
E2PROM is programmed by single-chip microcomputer, it is possible to which the television set for simulating different brands is used, is greatly saved cost, grasped
Make simple and convenient.
The HDMI method of testing, television set HDMI is independent, and by control unit to television set product
Board parameters unit is respectively written into the parameter of each brand television and is tested simulating the television set of different brands, from without
The television set of multiple brands is needed, testing cost is greatly reduced, and change also without continuously plug HDMI wire
Television set, it is simple and convenient, brought great convenience to test.
HDMI test fixture of the present invention and method, television set HDMI is independent, and by control unit
The parameter of each brand television is respectively written into television set brand parameter unit surveyed simulating the television set of different brands
Examination, without the television set of multiple brands, greatly reduces testing cost, and also without continuously plug
HDMI wire changes television set, simple and convenient, is brought great convenience to test.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Any modification, equivalent and improvement for being made within principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of HDMI test fixture, it is characterised in that including：HDMI unit, television set brand parameter unit with
And control unit；Shown HDMI unit is connected by HDMI wire with the HDMI of Set Top Box, and shown control unit is used for
The parameter of each brand television is respectively written into television set brand parameter unit, compatibility test, the HDMI is carried out
After unit is connected with the HDMI of Set Top Box, television set brand parameter list is read by the HDMI unit by Set Top Box
The television set parameter write in unit carries out compatibility test, if the HDMI of Set Top Box is compatible with the brand television, machine top
Box can send data and control unit and can receive to described control unit, if incompatible, Set Top Box can not send number
According to described control unit cannot be received.
2. HDMI test fixture according to claim 1, it is characterised in that the HDMI unit includes HPD
Pin, TMDS passages, DDC passages and CEC pins；It is described when HDMI unit is connected with the HDMI of Set Top Box
HPD pins send HPD signal to Set Top Box and inform that Set Top Box is connected with HDMI test fixture, and institute is passed through by Set Top Box
Stating the television set parameter write in DDC passages reading television set brand parameter unit carries out compatibility test, by machine if compatibility
Top box is by the TMDS passages to described control unit output data.
3. HDMI test fixture according to claim 2, it is characterised in that send HPD signal to Set Top Box and pass through
GPIO is realized with switch；Described switch one end connects GPIO, and the other end is used to connect the HDMI of Set Top Box, by opening and closing
To switch the low and high level state that set top box side HDMI HPD pins are received.
4. HDMI test fixture according to claim 1, it is characterised in that the HDMI test fixture is also wrapped
Test is included to report an error processing unit；It is described to test the processing unit simulation test abnormal conditions that report an error, detect HDMI test fixture
Can accurately identify and position and processed.
5. HDMI test fixture according to claim 1, it is characterised in that the television set brand parameter unit is adopted
Use E2PROM.
6. HDMI test fixture according to claim 5, it is characterised in that described control unit include single-chip microcomputer and
Peripheral circuit；The peripheral circuit includes clock circuit and reset circuit, and the single-chip microcomputer is by two I/O ports come to described
E2PROM is programmed, and writes the parameter of different brands television set to simulate the television set of different brands.
7. a kind of HDMI method of testing, it is characterised in that comprise the following steps：
S10：The HDMI of television set is independent, and control unit and television set brand parameter unit are provided, control is single
Unit is used to be respectively written into television set brand parameter unit the parameter of each brand television；
S20：Independent HDMI is connected with the HDMI of Set Top Box, is read by independent HDMI by Set Top Box
The television set parameter write in television set brand parameter unit carries out compatibility test；
S30：If the HDMI of Set Top Box is compatible with the brand television, Set Top Box can be to control unit:Send data
And control unit can be received；If incompatible, Set Top Box can not send data, and control unit cannot be received.
8. HDMI method of testing according to claim 7, it is characterised in that methods described also includes：Simulation test
Can abnormal conditions, detection accurately identify and position and processed.
9. HDMI method of testing according to claim 7, it is characterised in that the television set brand parameter unit is adopted
Use E2PROM.
10. HDMI method of testing according to claim 9, it is characterised in that described control unit includes single-chip microcomputer
And peripheral circuit；The peripheral circuit includes clock circuit and reset circuit, and the single-chip microcomputer is by two I/O ports come to described
E2PROM is programmed, and writes the parameter of different brands television set to simulate the television set of different brands.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631281.5A CN105163113B (en) | 2015-09-29 | 2015-09-29 | HDMI test fixture and method of testing |
| PCT/CN2016/099299 WO2017054655A1 (en) | 2015-09-29 | 2016-09-19 | Hdmi interface test fixture and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631281.5A CN105163113B (en) | 2015-09-29 | 2015-09-29 | HDMI test fixture and method of testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105163113A CN105163113A (en) | 2015-12-16 |
| CN105163113B true CN105163113B (en) | 2017-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510631281.5A Expired - Fee Related CN105163113B (en) | 2015-09-29 | 2015-09-29 | HDMI test fixture and method of testing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105163113B (en) |
| WO (1) | WO2017054655A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163113B (en) * | 2015-09-29 | 2017-06-23 | 深圳市九洲电器有限公司 | HDMI test fixture and method of testing |
| CN105893203A (en) * | 2016-03-30 | 2016-08-24 | 福州瑞芯微电子股份有限公司 | CEC verification method and device |
| CN108021504B (en) * | 2017-12-04 | 2021-04-27 | 晶晨半导体(上海)股份有限公司 | Automatic testing method for HDMI compatibility |
| CN113259659B (en) * | 2021-05-26 | 2023-03-31 | 浙江大华技术股份有限公司 | Test method, test device, storage medium, and electronic device |
Citations (1)
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| CN103473174A (en) * | 2013-09-10 | 2013-12-25 | 四川长虹电器股份有限公司 | Cloud testing method for application software of intelligent televisions |
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| JP5150158B2 (en) * | 2007-07-31 | 2013-02-20 | 株式会社東芝 | Television receiver and television display method |
| CN101841732A (en) * | 2009-03-18 | 2010-09-22 | 青岛海信电器股份有限公司 | Testing method and testing device for multimedia electronic equipment |
| CN201518528U (en) * | 2009-10-20 | 2010-06-30 | 福建新大陆通信科技有限公司 | Automatic test device of digital television set-top box CA clamping plate |
| CN101729924A (en) * | 2009-12-11 | 2010-06-09 | Tcl通力电子（惠州）有限公司 | HDMI-CEC detection device |
| CN101895785A (en) * | 2010-07-01 | 2010-11-24 | 广东欧珀电子工业有限公司 | Portable HDMI CEC automatic testing device and testing method thereof |
| CN102110473B (en) * | 2011-01-05 | 2013-06-26 | 深圳创维－Rgb电子有限公司 | Method and system for programming and checking EDID (Extended Display Identification Data) of display device |
| CN202058137U (en) * | 2011-01-26 | 2011-11-30 | 江苏新创光电通信有限公司 | DDC (Direct Digital Control) /EDID (Extended Display Identification Data) data read memorizer |
| TWI415449B (en) * | 2011-03-10 | 2013-11-11 | Sunplus Technology Co Ltd | Tv system and associated control method |
| CN102316356B (en) * | 2011-06-27 | 2014-07-09 | 深圳Tcl新技术有限公司 | Device and method for testing HDMI (high-definition multimedia interface) function of television (TV) |
| US20130173835A1 (en) * | 2011-12-29 | 2013-07-04 | Broadcom Corporation | Controlling HDMI Devices Via Intelligent Emulation of Consumer Electronics Control (CEC) Protocol |
| CN103457969B (en) * | 2012-05-31 | 2016-12-21 | 腾讯科技（深圳）有限公司 | The control method of terminal unit, system and device |
| GB2502967A (en) * | 2012-06-11 | 2013-12-18 | Denso Corp | Method of checking the compatibility of a mobile device connector and a vehicle connectivity port |
| CN103000207B (en) * | 2012-12-06 | 2016-03-02 | 广东欧珀移动通信有限公司 | Blue-ray player compatibility problem adjustment method and system |
| CN103491366B (en) * | 2013-09-11 | 2015-08-19 | 深圳市九洲电器有限公司 | A kind of method of testing of top box of digital machine, Apparatus and system |
| CN104569661B (en) * | 2014-12-23 | 2018-02-06 | 深圳市九洲电器有限公司 | A kind of HDMI test circuit and device |
| CN105163113B (en) * | 2015-09-29 | 2017-06-23 | 深圳市九洲电器有限公司 | HDMI test fixture and method of testing |
-
2015
- 2015-09-29 CN CN201510631281.5A patent/CN105163113B/en not_active Expired - Fee Related
-
2016
- 2016-09-19 WO PCT/CN2016/099299 patent/WO2017054655A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103473174A (en) * | 2013-09-10 | 2013-12-25 | 四川长虹电器股份有限公司 | Cloud testing method for application software of intelligent televisions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105163113A (en) | 2015-12-16 |
| WO2017054655A1 (en) | 2017-04-06 |
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