CN101471037B - Service system - Google Patents
Service system Download PDFInfo
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- CN101471037B CN101471037B CN2007103073748A CN200710307374A CN101471037B CN 101471037 B CN101471037 B CN 101471037B CN 2007103073748 A CN2007103073748 A CN 2007103073748A CN 200710307374 A CN200710307374 A CN 200710307374A CN 101471037 B CN101471037 B CN 101471037B
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- display panel
- coupled
- service system
- controller
- panel
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Abstract
The invention discloses a service system comprising a substrate management controller, a panel controller, a display panel and a backlight control unit, wherein the substrate management controller is used for generating serial display data, the panel controller is used for converting the serial display data into parallel display data, and the display panel is used for displaying the parallel display data. On the other aspect, the backlight control unit is used for detecting whether the display panel is in a default status for deciding whether to drive the backlight source of the display panel according to detecting results.
Description
Technical field
The invention relates to a kind of service system, and particularly relevant for a kind of service system that can increase the tester in the work efficiency in research and development of products stage.
Background technology
The base attribute of service system comprises the agreement of Hostname, world-wide web (Internet Protocol, IP) address and medium access control (Media Access Control, MAC) information such as address.The user is if seek out these information, can be after local register system, input wisdom platform management interface (IPMI) order comes baseboard management controller (Baseboard Management Controller, BMC) inquire about, perhaps the baseboard management controller of visiting this machine by the remote service system obtains relevant setting value.
Yet above-mentioned method of operating is more complicated often.The user also must have certain professional knowledge except spending a large amount of time, could utilize many IPMI to order the operation steps of finishing service system.Moreover,
This kind situation more highlighted in the product test stage.Chief reason is, when service system also is in product test during the stage, the tester tends to constantly revise information such as IP address, MAC Address.Relatively, the tester also must constantly repeat above-mentioned method of operating, watches the modification result of each checking.In other words, the tester must expend a large amount of time and finishes the test of service system.
In order to address the above problem, as shown in Figure 1, traditional service system 100 has disposed a microprocessor 120 between baseboard management controller 110 and display panel 130.By this, microprocessor 120 can carry out a series of processing and decoding to the data that baseboard management controller 121 is sent out, and is controlled display panel 130 again.Thus, traditional service system 100 can be simplified the instruction that the user is assigned baseboard management controller 110, and then reduce the time of user's inquiry service.
Yet, in practical application, microprocessor 120 on the high side, therefore the cost of manufacture of traditional service system 100 also will be raised.In addition, in practical operation, the pin of microprocessor 120 often can only be defined in some or certain several specific function is used, so the user must write the control that complicated firmware is finished 120 pairs of display panels 130 of microprocessor.Relatively, this kind situation will reduce the work efficiency of tester in research and development of products stage and production phase.
Summary of the invention
The invention provides a kind of service system, in order to the work efficiency of increase tester in research and development of products stage and production phase, and the Time To Market of shortening service system.
The present invention proposes a kind of service system, comprises a baseboard management controller, a panel controller, a display panel and a backlight control unit.Wherein, baseboard management controller is in order to produce a serial video data.Panel controller is in order to convert the serial video data to one parallel video data.Afterwards, display panel will directly show parallel video data.On the other hand, whether backlight control unit is in default conditions in order to detect display panel, determines whether to drive the backlight of display panel with the foundation testing result.
In an embodiment of the present invention, above-mentioned panel controller is also in order to produce a plurality of control signals, to enable, to reset and to read and write described display panel.In addition, display panel is a character type display panel.
In an embodiment of the present invention, above-mentioned panel controller can see through an interior IC bus and receive the serial video data.In addition, when display panel is not when being in default conditions, backlight control unit drives the backlight of display panel.
In an embodiment of the present invention, above-mentioned service system also comprises a substrate, one first connector and one second connector.Wherein, the described baseboard management controller and first connector are configured on the substrate.In addition, first connector is coupled to described baseboard management controller, and second connector and first connector are compatible with each other in electrically going up, and is coupled to described panel controller.
The present invention only need carry out the data-switching of transformation from serial to parallel because of being to utilize baseboard management controller to produce a serial video data to cause panel controller, just can produce the receivable data kenel of display panel.In other words, the user need not write complicated firmware just can finish the control of panel controller to display panel, and then increases the work efficiency of tester in research and development of products stage and production phase.In addition, the circuit of panel controller is comparatively simple, so help to reduce the cost of manufacture of service system.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 illustrates the circuit framework figure into traditional service system.
Fig. 2 illustrates the circuit framework figure into the service system of foundation one embodiment of the invention.
Fig. 3 illustrates the circuit framework figure into the backlight control unit of foundation one embodiment of the invention.
Embodiment
Fig. 2 illustrates the circuit framework figure into the service system of foundation one embodiment of the invention.With reference to Fig. 2, service system 200 comprises baseboard management controller 210, panel controller 220, backlight control unit 230, display panel 240, substrate 250 and connector 260 and 270.Wherein, baseboard management controller 210 is configured on the substrate 250 with connector 260, and connector 260 is coupled to baseboard management controller 210.In addition, connector 270 is coupled to panel controller 220.Panel controller 220 is coupled to display panel 240 with 230 of backlight control unit.
In whole start, baseboard management controller 210 is in order to produce a serial video data D
21Because connector 260 is compatible with each other in electrically going up with 270, so panel controller 220 can receive serial video data D from baseboard management controller 210 through connector 260 and 270
21Afterwards, panel controller 220 can be with serial video data D
21Convert parallel video data D to
22, just will be directly changed into parallel form from series form from the data of baseboard management controller 210.Afterwards, panel controller 220 is understood the video data D that will walk abreast
22Be sent to display panel 240, show parallel video data D to cause display panel 240
22
It should be noted that service system 200 can directly produce serial video data D by baseboard management controller 210
21Therefore, 220 need of panel controller carry out the data-switching of transformation from serial to parallel, just can produce display panel 240 receivable data kenels.In other words, the user need not write the control that complicated firmware just can be finished 220 pairs of display panels 240 of panel controller, and then increases the work efficiency of tester in research and development of products stage and production phase.In addition, because panel controller 220 need not huge functions with regard to may command display panel 240, so the circuit of panel controller 220 is comparatively simple, and then helps to reduce the cost of manufacture of service system 200.
Further, panel controller 220 is to see through an interior IC bus (Inter-IntegratedCircuit Bus, I2C Bus) 280 to receive serial video data D
21In addition, panel controller 220 is also in order to produce a plurality of control signal S
21～S
23, to enable, to reset and to read and write display panel 240.Moreover in the present embodiment, substrate 250 can be a printed circuit board (PCB), and 240 of display panels can be character type display panel.
On the other hand, backlight control unit 230 can detect display panel 240 and whether be in default conditions, determines whether to drive the backlight of display panel 240 with the foundation testing result.For instance, when display panel 240 is in default conditions, backlight control unit 230 will can not produce backlight control signal S
BL, can't send light source to cause display panel 240.Relatively, not when being in default conditions when the user ejects display panel 240 and causes display panel 240, backlight control unit 230 can produce backlight control signal S
BL, to drive the backlight of display panel 240 by this.
To be familiar with the spirit that this operator can more understand present embodiment in order allowing, below will to do further explanation at the inside structure of backlight control unit 230.
Fig. 3 illustrates the circuit framework figure into the backlight control unit of foundation one embodiment of the invention.With reference to Fig. 3, backlight control unit 230 comprises switch SW
1, resistance R
1With R
2, level controller 310 and P transistor npn npn TP
1Wherein, switch SW
1First end be coupled to a ground voltage.Resistance R
1First end be coupled to a supply voltage V
DD, and its second end is coupled to switch SW
1Second end.Level controller 310 is coupled to switch SW
1Second end.P transistor npn npn TP
1Emitter be coupled to supply voltage V
DD, and its base stage is coupled to level controller 310.Resistance R
2First end be coupled to P transistor npn npn TP
1Collector, and its second end is coupled to display panel 240.
In whole start, switch SW
1Whether can be according to the state of display panel 240 determine its first end of conducting and second end.For instance, when display panel 240 is in default conditions, switch SW
1Can disconnect (turn off) its first end and second end.At this moment, level controller 310 can receive supply voltage V
DD, and produce switching signal S according to this with noble potential
LVAs P transistor npn npn TP
1Base stage receive switching signal S with noble potential
LVThe time, it will be in cut-off state, and supply voltage V
DDCan't cross-pressure in resistance R
2On.Relatively, resistance R
2Also can't produce backlight control signal S
BL, and then cause display panel 240 can't send light source.
On the other hand, when display panel 240 is not when being in default conditions, switch SW
1Can its first end of conducting (turn on) and second end.At this moment, level controller 310 can receive ground voltage, and produces the switching signal S with electronegative potential according to this
LVAs P transistor npn npn TP
1Base stage receive switching signal S with electronegative potential
LVThe time, it will be in state of saturation, and supply voltage V
DDWith cross-pressure in resistance R
2On.Relatively, resistance R
2Second end will produce backlight control signal S
BL, and then the backlight of driving display panel 240.
In other words, P transistor npn npn TP
1Under the control of level controller 310, it will cause resistance R
2According to switch SW
1Conducting whether and whether decision produces backlight control signal S
BLRelatively, the backlight of display panel 240 will be according to backlight control signal S
BLAnd be driven.
In sum, the present invention utilizes baseboard management controller to produce a serial video data, only need carry out the data-switching of transformation from serial to parallel to cause panel controller, just can produce the receivable data kenel of display panel.In other words, the user need not write complicated firmware just can finish the control of panel controller to display panel, and then increases the tester in the work efficiency of research and development of products stage and production phase, and helps to reduce the cost of manufacture of service system.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (8)
1. service system comprises:
One baseboard management controller is in order to produce a serial video data;
One panel controller is in order to convert this serial video data to one parallel video data;
One display panel is coupled to this panel controller, in order to show the video data that should walk abreast; And
One backlight control unit is coupled to this display panel, whether is in default conditions in order to detect this display panel, determines whether to drive the backlight of this display panel with the foundation testing result.
2. service system as claimed in claim 1 is characterized in that, this service system also comprises:
One substrate, wherein this baseboard management controller is configured on this substrate;
One first connector is configured on this substrate, and is coupled to this baseboard management controller; And
One second connector, compatible with this first connector, and be coupled to this panel controller.
3. service system as claimed in claim 2 is characterized in that, this substrate is a printed circuit board (PCB).
4. service system as claimed in claim 1 is characterized in that, this panel controller sees through an interior IC bus and receives this serial video data.
5. service system as claimed in claim 1 is characterized in that, this panel controller is also in order to produce a plurality of control signals, to enable, to reset and to read and write this display panel.
6. service system as claimed in claim 1 is characterized in that, this display panel is a character type display panel.
7. service system as claimed in claim 1 is characterized in that, when this display panel is not that this backlight control unit drives the backlight of this display panel when being in these default conditions.
8. service system as claimed in claim 1 is characterized in that, this backlight control unit comprises:
One switch, its first end is coupled to a ground voltage, and when this display panel be not when being in these default conditions, its first end of this switch conduction and second end;
One first resistance, its first end is coupled to a supply voltage, and its second end is coupled to second end of this switch;
One level controller is coupled to second end of this switch, switches signal in order to produce one, and wherein when this level controller received this ground voltage, the level of this switching signal was switched to an electronegative potential from a noble potential;
One P transistor npn npn, its emitter is coupled to this supply voltage, and its base stage is in order to receive this switching signal; And
One second resistance, its first end is coupled to the collector of this P transistor npn npn, and its second end is coupled to this display panel, and according to the conducting of this switch whether and whether decision produces a backlight control signal,
Wherein, the backlight of this display panel is driven according to this backlight control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103073748A CN101471037B (en) | 2007-12-28 | 2007-12-28 | Service system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103073748A CN101471037B (en) | 2007-12-28 | 2007-12-28 | Service system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101471037A CN101471037A (en) | 2009-07-01 |
| CN101471037B true CN101471037B (en) | 2010-09-22 |
Family
ID=40828466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103073748A Expired - Fee Related CN101471037B (en) | 2007-12-28 | 2007-12-28 | Service system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101471037B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819411A (en) * | 2011-06-10 | 2012-12-12 | 鸿富锦精密工业（深圳）有限公司 | Display control circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566367Y (en) * | 2002-04-08 | 2003-08-13 | 联想(北京)有限公司 | Storage device for monitoring information of servicer monitor system |
| CN101046779A (en) * | 2006-03-28 | 2007-10-03 | 泰安电脑科技（上海）有限公司 | Serial multi-task module |
-
2007
- 2007-12-28 CN CN2007103073748A patent/CN101471037B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566367Y (en) * | 2002-04-08 | 2003-08-13 | 联想(北京)有限公司 | Storage device for monitoring information of servicer monitor system |
| CN101046779A (en) * | 2006-03-28 | 2007-10-03 | 泰安电脑科技（上海）有限公司 | Serial multi-task module |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平10-49109A 1998.02.20 |
| JP特开平8-22262A 1996.01.23 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101471037A (en) | 2009-07-01 |
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