CN113781944A - Method and device for supporting different display screens by same hardware display interface - Google Patents
Method and device for supporting different display screens by same hardware display interface Download PDFInfo
- Publication number
- CN113781944A CN113781944A CN202110957859.1A CN202110957859A CN113781944A CN 113781944 A CN113781944 A CN 113781944A CN 202110957859 A CN202110957859 A CN 202110957859A CN 113781944 A CN113781944 A CN 113781944A
- Authority
- CN
- China
- Prior art keywords
- display
- different
- display screens
- same hardware
- screens
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Digital Computer Display Output (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention relates to the technical field of computers, in particular to a method and a device for supporting different display screens by the same hardware display interface. The method for supporting different display screens by the same hardware display interface comprises the following steps: reading an input state value of a dial switch; and according to different input state values, the same hardware display interface is compatible with display screens with different formats. According to the method, the same hardware interface of the equipment can be compatible with the display screens with different formats, solid software does not need to be replaced when the equipment is replaced with the display screens with different formats, the equipment can be used immediately after replacement, the operation is very flexible and convenient, and meanwhile, the same hardware equipment with different display screens can be upgraded uniformly by using the same upgrading package without performing differential upgrading on different display screens.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method and a device for supporting different display screens by the same hardware display interface.
Background
With the rise of industries and entertainment chains related to the internet, such as remote office, remote education, online karaoke and the like, the enthusiasm of electronic products is continuously rising all the way, screen equipment is more and more common, and accordingly, the display interfaces of the products are diversified.
At present, electronic products on the market generally only support one display interface or support multiple display interfaces, but the connection seat of the multiple display interfaces is required to be reserved on a hardware board, so the hardware design cost is higher, and once one display screen is replaced by a product, a software solid corresponding to the display interface needs to be additionally output for upgrading to use, and meanwhile, unified system software upgrading cannot be performed on electronic products of different display screens used by a client, so that the electronic products are quite inconvenient, and the management of the product and matched software cannot be concise and efficient.
Disclosure of Invention
Therefore, a method for supporting different display screens by the same hardware display interface is needed, so as to solve the technical problems that different display screens can be supported only by setting a plurality of interfaces on the existing hardware equipment, the hardware cost is high, and when the display screen is replaced, the software solid corresponding to the display interface needs to be output additionally to be upgraded and used, the operation is complex and the like, and the specific technical scheme is as follows:
a method for supporting different display screens by the same hardware display interface comprises the following steps:
reading an input state value of a dial switch;
and according to different input state values, the same hardware display interface is compatible with display screens with different formats.
Further, the functional pins of the different format display screens have the same line order, and the functions of the different format display screens include but are not limited to: power supply, backlight, reset, enable;
the related data of the display screens with different formats are respectively stored into corresponding information tables, and the related data comprises but is not limited to: resolution, data format, initialization sequence;
the method for switching the same hardware display interface to be compatible with the display screens in different formats specifically comprises the following steps:
and reading related data on the information table of the display screen with the corresponding format.
Further, the different format display screens include, but are not limited to: RGB, MIPI, LVDS;
the dial switch is a dial switch with two GPIOs externally connected with two PINs.
In order to solve the technical problem, a device for supporting different display screens by the same hardware display interface is also provided, and the specific technical scheme is as follows:
an apparatus for supporting different display screens with the same hardware display interface, comprising: a control unit;
the control unit includes: a display controller and a multiplexing controller;
the display controller is used for reading the input state value of the dial switch and controlling the multiplexing controller to switch the same hardware display interface to be compatible with display peripherals with different formats according to the difference of the input state value.
Further, the method also comprises the following steps: the display peripheral equipment, the functional pin line order of the different format display peripheral equipment is the same, and the functions of the different format display peripheral equipment include but are not limited to: power supply, backlight, reset, enable;
the related data of the different format display peripheral equipment are respectively stored into corresponding information tables, and the related data include but are not limited to: resolution, data format, initialization sequence.
Further, the different format display peripherals include, but are not limited to: RGB, MIPI, LVDS;
the dial switch is a dial switch with two GPIOs externally connected with two PINs.
The invention has the beneficial effects that: a method for supporting different display screens by the same hardware display interface comprises the following steps: reading an input state value of a dial switch; and according to different input state values, the same hardware display interface is compatible with display screens with different formats. According to the method, the same hardware interface of the equipment can be compatible with the display screens with different formats, solid software does not need to be replaced when the equipment is replaced with the display screens with different formats, the equipment can be used immediately after replacement, the operation is very flexible and convenient, and meanwhile, the same hardware equipment with different display screens can be upgraded uniformly by using the same upgrading package without performing differential upgrading on different display screens. The hardware complexity is simplified, and the hardware cost is reduced.
Drawings
FIG. 1 is a flowchart of a method for supporting different display screens with the same hardware display interface according to an embodiment;
FIG. 2 is a diagram illustrating an apparatus for supporting different display screens with the same hardware display interface according to an embodiment;
FIG. 3 is a diagram illustrating predefined states of the dip switches according to an embodiment;
FIG. 4 is a table of related data information corresponding to display screens of different formats according to an exemplary embodiment;
FIG. 5 is a diagram illustrating a method for supporting different display screens with the same hardware display interface, according to an embodiment;
FIG. 6 is a first block diagram illustrating an apparatus for supporting different display screens with the same hardware display interface according to an embodiment;
fig. 7 is a second block diagram of an apparatus for supporting different display screens with the same hardware display interface according to an embodiment of the present invention.
Description of reference numerals:
600. an apparatus for supporting different display screens with the same hardware display interface,
601. a control unit for controlling the operation of the display unit,
6011. a display controller for displaying the display data of the display device,
6012. a multiplexing controller for controlling the number of the multiplexed data streams,
602. and displaying the peripheral equipment.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 5, in the present embodiment, a method for supporting different display screens by the same hardware display interface can be applied to a device that supports different display screens by the same hardware display interface, and the device that supports different display screens by the same hardware display interface is shown in fig. 2, and includes a display peripheral for receiving a display image and a CPU control chip, where the CPU control chip can be further subdivided into a display controller and a multi-functional and reusable video phy.
In this embodiment, the different format display screens include but are not limited to: RGB, MIPI, LVDS, so it is preferable to design two GPIOs externally connected to two PIN dial switches on the device hardware design, so that four state-related devices can be predefined to determine which display interface display screen is selected for display, and the truth table is shown in fig. 3.
In this embodiment, the relevant data of the display screens with different supported formats may be stored in advance as corresponding information tables, and the relevant data includes but is not limited to: resolution, data format, initialization sequence, as shown in fig. 4.
The following is a description of a specific process:
step S101: and reading the input state value of the dial switch.
Step S102: and according to different input state values, the same hardware display interface is compatible with display screens with different formats. In this embodiment, the functional pins of the display screens with different formats have the same line order, and the functions of the display screens with different formats include, but are not limited to: power supply, backlight, reset, enable. Namely, the power supply, backlight, reset and enable of RGB, LVDS and MIPI screens are designed into the same pins.
By the method, the device controller can select the display controller to adopt the RGB or LVDS or MIPI display interface according to the input state value of the GPIO connected with the two dial switches, switch the video phy to the function phy of the corresponding display interface, and load the relevant data on the information table corresponding to the display screen with the corresponding format corresponding to the function phy. The overall process is schematically shown in FIG. 5.
According to the method, the same hardware interface of the equipment can be compatible with the display screens with different formats, the hardware design is simple, the hardware cost is reduced, solid software does not need to be replaced when the equipment replaces the display screens with different formats, the equipment can be used after replacement, the method is very flexible and convenient, and meanwhile, the same hardware equipment with different display screens can be upgraded uniformly by using the same upgrading package without performing differentiated upgrading on different display screens.
Referring to fig. 6 to fig. 7, in this embodiment, an embodiment of an apparatus 600 for supporting different display screens with the same hardware display interface is as follows:
an apparatus 600 for supporting different display screens with the same hardware display interface, comprising: a control unit 601;
the control unit 601 includes: a display controller 6011 and a multiplex controller 6012;
the display controller 6011 is configured to read an input state value of a dial switch, and control the multiplexing controller 6012 to switch the same hardware display interface to be compatible with the display peripherals 602 in different formats according to a difference of the input state value.
Further, the method also comprises the following steps: the display peripheral 602, the functional pins of the different format display peripheral 602 are the same, and the functions of the different format display peripheral 602 include but are not limited to: power supply, backlight, reset, enable. Namely, the power supply, backlight, reset and enable of RGB, LVDS and MIPI screens are designed into the same pins.
The related data of the different format display peripheral device 602 are respectively stored into corresponding information tables, and the related data include but are not limited to: resolution, data format, initialization sequence, as shown in fig. 4.
Further, the different format display peripheral devices 602 include, but are not limited to: RGB, MIPI, LVDS;
the dial switch is formed by externally connecting two GPIOs with two PINs, so that four state-related devices can be predefined to determine which display interface display screen is selected for display, and a truth table of the four state-related devices is shown in figure 3.
The same hardware interface of the equipment can be compatible with the display screens with different formats, solid software does not need to be replaced when the display screens with different formats are replaced, the equipment can be used immediately, and the equipment is very flexible and convenient.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (6)
1. A method for supporting different display screens by the same hardware display interface is characterized by comprising the following steps:
reading an input state value of a dial switch;
and according to different input state values, the same hardware display interface is compatible with display screens with different formats.
2. The method of claim 1, wherein functional pins of different format display screens are in the same line order, and the functions of the different format display screens include but are not limited to: power supply, backlight, reset, enable;
the related data of the display screens with different formats are respectively stored into corresponding information tables, and the related data comprises but is not limited to: resolution, data format, initialization sequence;
the method for switching the same hardware display interface to be compatible with the display screens in different formats specifically comprises the following steps:
and reading related data on the information table of the display screen with the corresponding format.
3. The method of claim 1, wherein the different format display screens include but are not limited to: RGB, MIPI, LVDS;
the dial switch is a dial switch with two GPIOs externally connected with two PINs.
4. An apparatus for supporting different display screens with the same hardware display interface, comprising: a control unit;
the control unit includes: a display controller and a multiplexing controller;
the display controller is used for reading the input state value of the dial switch and controlling the multiplexing controller to switch the same hardware display interface to be compatible with display peripherals with different formats according to the difference of the input state value.
5. The apparatus of claim 4, wherein the same hardware display interface supports different display screens, further comprising: a display peripheral;
the functional pin line order of the different format display peripheral devices is the same, and the functions of the different format display peripheral devices include but are not limited to: power supply, backlight, reset, enable;
the related data of the different format display peripheral equipment are respectively stored into corresponding information tables, and the related data include but are not limited to: resolution, data format, initialization sequence.
6. The apparatus of claim 5, wherein said different format display peripherals include but are not limited to: RGB, MIPI, LVDS;
the dial switch is a dial switch with two GPIOs externally connected with two PINs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957859.1A CN113781944A (en) | 2021-08-19 | 2021-08-19 | Method and device for supporting different display screens by same hardware display interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957859.1A CN113781944A (en) | 2021-08-19 | 2021-08-19 | Method and device for supporting different display screens by same hardware display interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113781944A true CN113781944A (en) | 2021-12-10 |
Family
ID=78838341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110957859.1A Pending CN113781944A (en) | 2021-08-19 | 2021-08-19 | Method and device for supporting different display screens by same hardware display interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113781944A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622155A (en) * | 2004-12-17 | 2005-06-01 | 华东师范大学 | Method for controlling multiple resolution plasma display screen driver |
| CN101067925A (en) * | 2007-05-15 | 2007-11-07 | 四川长虹电器股份有限公司 | Adaptive method for display screen to different interface type |
| CN201035944Y (en) * | 2007-04-03 | 2008-03-12 | 青岛海信电器股份有限公司 | Interface circuit compatible with multi-format display screen |
| CN101815180A (en) * | 2009-02-20 | 2010-08-25 | 东杰电气(上海)有限公司 | Signal self-adaptive adapter plate of display screen interface |
| US8458370B1 (en) * | 2007-12-05 | 2013-06-04 | Nvidia Corporation | Method and system for supporting multiple display interface standards |
| KR20140067342A (en) * | 2012-11-26 | 2014-06-05 | 주식회사 오리온 | Lvds interface device for display module connection |
| CN105426143A (en) * | 2015-10-28 | 2016-03-23 | 上海创客科技有限公司 | Intelligent terminal display device compatible system and method |
| CN209070951U (en) * | 2018-10-29 | 2019-07-05 | 潍坊歌尔电子有限公司 | A kind of driving equipment of display screen |
| CN112468748A (en) * | 2020-11-06 | 2021-03-09 | 广东长虹电子有限公司 | Adapter plate applied to display screen and display device |
-
2021
- 2021-08-19 CN CN202110957859.1A patent/CN113781944A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622155A (en) * | 2004-12-17 | 2005-06-01 | 华东师范大学 | Method for controlling multiple resolution plasma display screen driver |
| CN201035944Y (en) * | 2007-04-03 | 2008-03-12 | 青岛海信电器股份有限公司 | Interface circuit compatible with multi-format display screen |
| CN101067925A (en) * | 2007-05-15 | 2007-11-07 | 四川长虹电器股份有限公司 | Adaptive method for display screen to different interface type |
| US8458370B1 (en) * | 2007-12-05 | 2013-06-04 | Nvidia Corporation | Method and system for supporting multiple display interface standards |
| CN101815180A (en) * | 2009-02-20 | 2010-08-25 | 东杰电气(上海)有限公司 | Signal self-adaptive adapter plate of display screen interface |
| KR20140067342A (en) * | 2012-11-26 | 2014-06-05 | 주식회사 오리온 | Lvds interface device for display module connection |
| CN105426143A (en) * | 2015-10-28 | 2016-03-23 | 上海创客科技有限公司 | Intelligent terminal display device compatible system and method |
| CN209070951U (en) * | 2018-10-29 | 2019-07-05 | 潍坊歌尔电子有限公司 | A kind of driving equipment of display screen |
| CN112468748A (en) * | 2020-11-06 | 2021-03-09 | 广东长虹电子有限公司 | Adapter plate applied to display screen and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7685336B2 (en) | Keyboard-mouse-video switch with a digital visual interface | |
| CN109830204B (en) | Time schedule controller, display driving method and display device | |
| CN104822040B (en) | A kind of multiple format video sequence generation system and method based on FPGA | |
| CN102543032A (en) | Display apparatus for displaying video input through various ports | |
| CN101551739B (en) | Switch and on-screen display systems and methods | |
| US20080074343A1 (en) | Digital Video Switch and Method of Switching Between Multiple Digital Video Inputs and Multiple Outputs | |
| CN108628569A (en) | A kind of dual system real-time display operation method and equipment and dual system all-in-one machine | |
| CN110557580A (en) | Image signal switching and converting device and method | |
| CN101218558B (en) | Codec control | |
| CN111526403A (en) | Display device, method and electronic equipment | |
| US20010030657A1 (en) | Modular flat panel display unit | |
| CN1117475C (en) | Flat panel display apparatus having on-screen display function | |
| CN103065574A (en) | Display driving device | |
| CN201583942U (en) | Device for online writing EDID by USB | |
| CN1897671A (en) | Synchronous-outputting interface module of video-signal multi-display equipment | |
| EP2172009A1 (en) | Display apparatus | |
| CN103914167A (en) | Computer system and touch control and display data transmission device and method thereof | |
| CN113781944A (en) | Method and device for supporting different display screens by same hardware display interface | |
| CN108932052A (en) | It shows equipment and shows the exchange method of equipment | |
| CN102457392A (en) | Baseboard management controller sharing server system and method | |
| CN218974847U (en) | Display screen expansion circuit, mainboard and computer equipment | |
| TW201306566A (en) | Method and system for controlling multimedia monitor | |
| CN111447377B (en) | Multimedia signal conversion device | |
| CN101414453A (en) | Bidirectional data transmission system and method, display device and microcomputer | |
| CN101000588A (en) | Method for dynamic identifying LCD module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |