CN101777326B - VGA video card test tooling and method - Google Patents
VGA video card test tooling and method Download PDFInfo
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- CN101777326B CN101777326B CN2009101048810A CN200910104881A CN101777326B CN 101777326 B CN101777326 B CN 101777326B CN 2009101048810 A CN2009101048810 A CN 2009101048810A CN 200910104881 A CN200910104881 A CN 200910104881A CN 101777326 B CN101777326 B CN 101777326B
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Abstract
The invention relates to a VGA video card test tooling, comprising a VGA signal analyzing and processing module, a man-machine setting module, a setting and result displaying module, a VGA signal interface and a voice prompting module, wherein the VGA signal analyzing and processing module is connected with the man-machine setting module, the setting and result displaying module, the VGA signal interface and the voice prompting module; the VGA signal analyzing and processing module receives VGA signals sent by the VGA signal interface and judges whether the VGA signals are normal or not; the man-machine setting module is used for setting test parameters; the setting and result displaying module is used for displaying the set test parameters and testing the obtained test results; and the VGA signal interface is connected with a D-SUB interface of a PC on which the VGA video card to be tested is positioned. The invention also relates to a VGA video card test method, comprises the following steps: opening the PC, closing the PC and automatically testing the VGA video card. In the VGA video card test tooling and the method of the invention, the test result can be automatically test and display only if a user sets test parameters, thus enabling the efficiency of teasting the VGA video card to be higher.
Description
Technical field
The present invention relates to a kind of test fixture and method of machine element, more particularly, relate to a kind of VGA display card test frock and method.
Background technology
In the existing DOS environment, to there being following operation in VGA (Video Graphics Array, video graphics array) the display card test operation: 1, PC (PC) switch machine is by tester's manual operation; 2, the switching on and shutting down number of times when switching on and shutting down of tester's manual record and appearance are unusual; 3. the judgement of abnormal occurrence relies on the tester to carry out artificial cognition.Above-mentioned several operations cause occurring following situation easily: 1, the long dull repetitive operation of tester is easy to generate fatigue, makes work efficiency low; 2, artificial mistake appears in the number of times of test record easily; 3, the tester that lacked experience easily of the not too typical VGA abnormal signal in the test process ignores, and test result directly depends on tester's experience level, and different testers' test result maybe be inconsistent, leads to errors.
Summary of the invention
One of technical matters that the present invention will solve is, it is not high to prior art above-mentioned the VGA video card to be carried out manual testing's efficient, and the defective of easy error provides a kind of efficient, accurate VGA display card test frock of test of carrying out.
Two of the technical matters that the present invention will solve is, it is not high to prior art above-mentioned the VGA video card to be carried out manual testing's efficient, and the defective of easy error provides a kind of efficient, accurate VGA display card test method of test of carrying out.
The present invention solves the technical scheme that one of its technical matters adopts: construct a kind of VGA display card test frock, comprise VGA signal analysis and processing module and be attached thereto the man-machine setting module that connects, setting and display module, VGA signaling interface, auditory tone cues module as a result; Said VGA signal analysis and processing module receives the VGA signal that sends from the VGA signaling interface and it is made whether normal judgement; Said man-machine setting module is used to be provided with test parameter; The test result that said setting and the display module test parameter that is used to show setting and test as a result obtain; Said VGA signaling interface is connected with the D-SUB interface of the PC at VGA video card to be measured place.
In VGA display card test frock of the present invention, said VGA signal analysis and processing module comprises MCU; Said man-machine setting module comprises touch keyboard; Said setting and as a result display module comprise charactron and led array; Said VGA display card test frock also comprises the auditory tone cues module that is used for test result is carried out auditory tone cues that is connected with said MCU; Said auditory tone cues module is a hummer.
In VGA display card test frock of the present invention, said touch keyboard receives user's input information and sends it to MCU, and said user's input information comprises switching on and shutting down interval time and maximum switching on and shutting down number of times.
In VGA display card test frock of the present invention, said charactron shows the maximum switching on and shutting down number of times and the wrong VGA signal that are provided with occur when which time switching on and shutting down.
In VGA display card test frock of the present invention, said led array is used for the VGA Display abnormal signal, and said led array is lighted the LED of various colors to distinguish different VGA abnormal signals.
In VGA display card test frock of the present invention, said VGA signal comprises RED, BLUE, GREEN, RGB, HSYNC and VSYNC signal.
The present invention solves the technical scheme that two of its technical matters adopted: a kind of VGA display card test method is provided, comprises the following steps:
S0: VGA video card to be measured is inserted on the mainboard of PC, and the VGA signaling interface of VGA display card test frock is connected with the D-SUB interface of said PC;
S1: interval time and maximum switching on and shutting down number of times that switching on and shutting down are set;
S2: send starting-up signal to open PC to PC;
S3: show the start number of times, read the VGA signal;
S4: whether the signal of judging VGA is correct; If correct and current start number of times then changes step S5 less than the maximum switching on and shutting down number of times that is provided with; Otherwise, change step S7;
S5: send off signal to close PC to PC; Change step S6;
S6: wait for one period switching on and shutting down interval time; Change step S2;
S7: stop counting to the start number of times;
S8: judge whether the switching on and shutting down number of times has reached the maximum switching on and shutting down number of times of setting, if, change step S9, otherwise, step S10 changeed;
S9: show that the wrong pairing information of VGA signal appears in which time start, and send the bomp sound; Change step S11;
S10: be presented at the pairing information of VGA signal of appearance mistake in the maximum switching on and shutting down number of times scope, and send test and pass through prompt tone; Change step S11;
S11: finish.
In VGA display card test method of the present invention, among the said step S3, the VGA signal that reads comprises RED, BLUE, GREEN, HSYNC and VSYNC signal.
In VGA display card test method of the present invention, among the said step S1, maximum switching on and shutting down number of times freely is provided with in 1 time to 999 times scope; Among the said step S6, said switching on and shutting down freely are provided with in 1 second to 999 seconds scope interval time.
In VGA display card test method of the present invention, among the said step S9, said prompts displayed information comprises RED, BLUE, GREEN, HSYNC and the VSYNC signal that the LED that lights five different colours makes mistakes with differentiation.
The VGA display card test frock and the method for embodiment of the present invention; Has following beneficial effect: during owing to this frock of use; The user only need set test parameter, the operation of the PC at switch VGA video card place when frock can be accomplished test VGA video card automatically, and this frock can show automatically that the VGA signal error has appearred in which time start when the VGA signal error occurring; Do not need manual work to carry out the operation of switch P C machine; So its testing efficiency is high, the number of times record of test accurately can be avoided because the false judgment to the abnormal conditions of VGA signal of lacking experience and causing owing to operating personnel's fatigue and personnel during the manual testing.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the modular structure synoptic diagram of VGA display card test frock of the present invention;
Fig. 2 is the synoptic diagram of the charactron of VGA display card test frock of the present invention;
Fig. 3 is the process flow diagram of VGA display card test method of the present invention.
Embodiment
Fig. 1 is the modular structure synoptic diagram of VGA display card test frock of the present invention.The preferred embodiment of VGA display card test frock of the present invention comprises MCU (microcontroller or single-chip microcomputer) and is attached thereto touch keyboard, led array, charactron, hummer, the VGA signaling interface that connects.MCU receives the VGA signal send and it is made whether normal judgement from the VGA signaling interface, and promptly MCU is equivalent to VGA signal analysis and processing module.Touch keyboard is a man-machine setting module, is used to be provided with test parameter.Obviously, touch keyboard also can replace to the module that other can play human-computer interaction function in the specific implementation, and is not limited only to implement with touch keyboard.Charactron and led array are to be provided with and display module as a result, are used for explicit user through the set test parameter of man-machine setting module such as touch keyboard be used to show the test result that obtains after the test.The maximum switching on and shutting down number of times that the charactron explicit user is set and the VGA signal of mistake occur when which time switching on and shutting down.Obviously, in the specific implementation, also other display units replacement charactrons such as available LCD MODULE can reach identical technique effect.D-SUB interface on the PC that the VGA signaling interface is used for belonging to VGA video card to be measured is connected, to receive the VGA signal that VGA video card to be measured sends.Above-mentioned VGA signal comprises RGB, HSYNC and VSYNC signal.Hummer is the auditory tone cues module that is used for test result is carried out auditory tone cues, also can change other the module of sounding into, for example, and loudspeaker.
When the user prepares a certain VGA video card tested, at first to VGA video card to be measured be inserted in the VGA video card slot on the mainboard of PC, and the VGA signaling interface of VGA display card test frock of the present invention is connected with D-SUB interface on the PC.Like this, the VGA signal on the VGA video card can be sent into VGA signal analysis and processing module through D-SUB interface, VGA signaling interface successively and supply its analyzing and processing.
After carrying out above-mentioned connection, the user can carry out the setting of test parameter through touch keyboard; Above-mentioned test parameter comprises the interval time and the maximum switching on and shutting down number of times of switching on and shutting down.Touch keyboard receives the information of user's input and sends it to MCU.After setting finished, charactron promptly demonstrated the interval time and the maximum switching on and shutting down number of times of the switching on and shutting down of setting.Then, MCU sends starting-up signal to open PC to PC, and charactron shows the start number of times, and MCU reads the VGA signal, and judges whether the signal of VGA is correct.If the correct and current start number of times of VGA signal is less than the maximum switching on and shutting down number of times that is provided with; Then send off signal to close PC to PC; Wait for one period predetermined interval time then (for example, 30 seconds, also can in 0 second to 999 seconds scope, be provided with arbitrarily); Send starting-up signal to open PC to PC again, detect next time; If after certain start, it is incorrect that MCU judges the signal of VGA, then charactron stops counting, and shows that wrong VGA signal appears in which time start, and LED shows the miscue signal, finishes the detection to this video card to be measured.For example, can represent to occur different VGA signals with the LED of five kinds of different colours.Light with the LED of a redness and to represent that mistake has appearred in the RED signal; Light with the LED of a blueness and to represent that mistake has appearred in the BLUE signal; Light with the LED of a green and to represent that mistake has appearred in the GREEN signal; Light with an orange LED and to represent that mistake has appearred in the HSYNC signal, light with the LED of a yellow and represent that mistake has appearred in the VSYNC signal.If in maximum switching on and shutting down number of times scope; The VGA signal error all do not occur after each start, then this frock is just made corresponding prompt information, for example; On charactron, demonstrate maximum switching on and shutting down number of times; Hummer sends specific sound and representes that this VGA video card to be measured is normal, so that the user in time changes other VGA video card to be measured, carries out the operation to other VGA display card test.
Fig. 2 is the synoptic diagram of the charactron of VGA display card test frock of the present invention; Among Fig. 2, show on the charactron that the maximum switching on and shutting down number of times of " P256 " expression is 256 times.If in 256 switching on and shutting down operating process, this frock is not all found the VGA signal error of VGA video card to be measured, thinks that then this video card to be measured is qualified.If in the 1st time to the 256th time switching on and shutting down operating process, the VGA signal error occurred, then which inferior VGA signal error that occurred charactron demonstrates.For example, if the 1st start and the 200th start are normal, but the VGA signal error has appearred in the 201st start; Frock shutdown switch machine operation then of the present invention, the display digit of charactron stops at " 201 ", representes that the VGA signal error has appearred in the 201st start; This VGA video card is defective; And it is that mistake has appearred in which VGA signal that frock of the present invention also demonstrates with the LED lamp of different colours, helps user's judgement.
Fig. 3 is the process flow diagram of VGA display card test method of the present invention.VGA display card test method of the present invention has comprised the following step:
S0: VGA video card to be measured is inserted on the mainboard of PC, and the VGA signaling interface of VGA display card test frock is connected with the D-SUB interface of said PC;
S1: interval time and maximum switching on and shutting down number of times that switching on and shutting down are set;
S2: send starting-up signal to open PC to PC;
S3: show the start number of times, read the VGA signal;
S4: whether the signal of judging VGA is correct; If correct and current start number of times then changes step S5 less than the maximum switching on and shutting down number of times that is provided with; Otherwise, change step S7;
S5: send off signal to close PC to PC; Change step S6;
S6: wait for one period switching on and shutting down interval time; Change step S2;
S7: stop counting to the start number of times;
S8: judge whether the switching on and shutting down number of times has reached the maximum switching on and shutting down number of times of setting, if, change step S9, otherwise, step S10 changeed;
S9: show that the wrong pairing information of VGA signal appears in which time start, and send the bomp sound; Change step S11;
S10: be presented at the pairing information of VGA signal of appearance mistake in the maximum start number of times scope, and send test and pass through prompt tone; Change step S11;
S11: finish.
Among the above-mentioned steps S3, the VGA signal that reads comprises RED, BLUE, GREEN, RGB, HSYNC and VSYNC signal.
Among the above-mentioned steps S1, maximum switching on and shutting down number of times can freely be provided with in 1 time to 999 times scope; Among the above-mentioned steps S6, switching on and shutting down can freely be provided with in 1 second to 999 seconds scope interval time.Among the step S9; During display reminding information; The LED of five various colors is lighted RED, BLUE, GREEN, HSYNC and the VSYNC signal of makeing mistakes with differentiation; For example, lighting and represent makeing mistakes of RED, BLUE, GREEN, HSYNC and VSYNC signal respectively with the LED of five different colours; Sending prompt tone among said step S9 and the step S10 is to realize (for example using hummer) with the auditory tone cues module; Being beneficial to the user notes having occurred the VGA signal error or learns that this VGA video card to be measured is qualified; So just, can in time change as the VGA of Pretesting video card, change another VGA video card to be measured and test.
Above embodiment has only expressed preferred implementation of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention; Therefore, all equivalents and modifications of being done with claim scope of the present invention all should belong to the covering scope of claim of the present invention.
Claims (10)
1. a VGA display card test frock is characterized in that, comprises VGA signal analysis and processing module and is attached thereto the man-machine setting module that connects, setting and display module, VGA signaling interface, auditory tone cues module as a result; Said VGA signal analysis and processing module receives the VGA signal that sends from the VGA signaling interface and it is made whether normal judgement; Said man-machine setting module is used to be provided with test parameter; The test result that said setting and the display module test parameter that is used to show setting and test as a result obtain; Said VGA signaling interface is connected with the D-SUB interface of the PC at VGA video card to be measured place.
2. VGA display card test frock according to claim 1 is characterized in that, said VGA signal analysis and processing module comprises MCU; Said man-machine setting module comprises touch keyboard; Said setting and as a result display module comprise charactron and led array; Said VGA display card test frock also comprises the auditory tone cues module that is used for test result is carried out auditory tone cues that is connected with said MCU; Said auditory tone cues module is a hummer.
3. VGA display card test frock according to claim 2 is characterized in that, said touch keyboard receives user's input information and sends it to MCU, and said user's input information comprises switching on and shutting down interval time and maximum switching on and shutting down number of times.
4. VGA display card test frock according to claim 2 is characterized in that, said charactron shows the maximum switching on and shutting down number of times and the wrong VGA signal that are provided with occur when which time switching on and shutting down.
5. VGA display card test frock according to claim 2 is characterized in that said led array is used for the VGA Display abnormal signal, and said led array is lighted the LED of various colors to distinguish different VGA abnormal signals.
6. VGA display card test frock according to claim 2 is characterized in that said VGA signal comprises RED, BLUE, GREEN, HSYNC and VSYNC signal.
7. a VGA display card test method is characterized in that, comprises the following steps:
S0: VGA video card to be measured is inserted on the mainboard of PC, and the VGA signaling interface of VGA display card test frock is connected with the D-SUB interface of said PC;
S1: interval time and maximum switching on and shutting down number of times that switching on and shutting down are set;
S2: send starting-up signal to open PC to PC;
S3: show the start number of times, read the VGA signal;
S4: whether the signal of judging VGA is correct; If correct and current start number of times then changes step S5 less than the maximum switching on and shutting down number of times that is provided with; Otherwise, change step S7;
S5: send off signal to close PC to PC; Change step S6;
S6: wait for one period switching on and shutting down interval time; Change step S2;
S7: stop counting to the start number of times;
S8: judge whether the switching on and shutting down number of times has reached the maximum switching on and shutting down number of times of setting, if, change step S9, otherwise, step S10 changeed;
S9: show that the wrong pairing information of VGA signal appears in which time start, and send the bomp sound; Change step S11;
S10: be presented at the pairing information of VGA signal of appearance mistake in the maximum switching on and shutting down number of times scope, and send test and pass through prompt tone; Change step S11;
S11: finish.
8. VGA display card test method according to claim 7 is characterized in that, among the said step S3, the VGA signal that reads comprises RED, BLUE, GREEN, HSYNC and VSYNC signal.
9. VGA display card test method according to claim 7 is characterized in that, among the said step S1, maximum switching on and shutting down number of times freely is provided with in 1 time to 999 times scope; Among the said step S6, said switching on and shutting down freely are provided with in 1 second to 999 seconds scope interval time.
10. VGA display card test method according to claim 8 is characterized in that, among the said step S9, said prompts displayed information comprises RED, BLUE, GREEN, HSYNC and the VSYNC signal of makeing mistakes with differentiation with the LED that lights five different colours.
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| CN2009101048810A CN101777326B (en) | 2009-01-09 | 2009-01-09 | VGA video card test tooling and method |
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| CN2009101048810A CN101777326B (en) | 2009-01-09 | 2009-01-09 | VGA video card test tooling and method |
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| CN101777326A CN101777326A (en) | 2010-07-14 |
| CN101777326B true CN101777326B (en) | 2012-01-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106383305A (en) * | 2016-11-03 | 2017-02-08 | 广州视源电子科技股份有限公司 | Printed circuit board testing method, printed circuit board testing device and testing tool |
| CN111507393B (en) * | 2020-04-14 | 2021-11-09 | 艾瑞思检测技术(苏州)有限公司 | Display card interface machine testing method based on Laplace feature mapping learning |
| CN112526556A (en) * | 2020-11-27 | 2021-03-19 | 惠州Tcl移动通信有限公司 | Positioning test method and device, storage medium and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003330444A (en) * | 2002-05-13 | 2003-11-19 | Yamaha Corp | Picture/voice processing circuit |
| CN101308648A (en) * | 2007-05-15 | 2008-11-19 | 冠捷投资有限公司 | Method of automatic test display apparatus and system thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003330444A (en) * | 2002-05-13 | 2003-11-19 | Yamaha Corp | Picture/voice processing circuit |
| CN101308648A (en) * | 2007-05-15 | 2008-11-19 | 冠捷投资有限公司 | Method of automatic test display apparatus and system thereof |
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