CN104750265A - Method for calling displayer OSD menu in all-in-one computer through keyboard - Google Patents
Method for calling displayer OSD menu in all-in-one computer through keyboard Download PDFInfo
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- CN104750265A CN104750265A CN201510135278.4A CN201510135278A CN104750265A CN 104750265 A CN104750265 A CN 104750265A CN 201510135278 A CN201510135278 A CN 201510135278A CN 104750265 A CN104750265 A CN 104750265A
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Abstract
The invention provides a method for calling a displayer OSD menu in an all-in-one computer through a keyboard, and relates to the field of computer peripheral applications. A function module for monitoring and controlling signals of the PS/2 keyboard is designed in front of a PS/2 interface of a mainboard of the all-in-one computer, and the function module receives and sends data of the PS/2 keyboard and completes communication with the keyboard function of the mainbaord of the computer in real time. A self-selecting key on a standard keyboard connected with the all-in-one computer replaces an OSD calling button of a displayer, when display settings need to be adjusted, a certain key of the keyboard is pressed to call out the OSD menu, output of the data of the keyboard is forbidden at this moment, the data cannot be input into the mainboard of the computer any more, the misoperation of the keyboard on the computer is avoided, then other self-selected keys are used for carrying out OSD menu selection, setting and the like, the OSD menu is closed through the key after setting is completed, and the function of the keyboard as a computer input device is restored. The appearance design of the displayer of the all-in-one computer is simplified, operation is facilitated, and good use and popularization value is achieved.
Description
Technical field
The present invention relates to computer peripheral equipment application, particularly relate to the implementation method that keyboard in integrated computer calls display OSD menu.
Background technology
Along with the development of computer technology, computer application form is also varied, and the computer of all-in-one form is portable with it in recent years, the advantage market share such as little that takes up room is increasing.Host computer and display group are combined by integrated computer exactly, the video eliminated between main frame with display is connected, to use unlike keyboard mouse device or is connected separately with notebook computer, the OSD adjustment button of display is also made in display pannel usually.If with the OSD adjustment button of keyboard equipment button as display, the appearance design of integrated computer display can be simplified, facilitate operation again, will be one and well select.
Summary of the invention
In order to solve above technical matters, the present invention carrys out the implementation method as the use of display OSD menu call buttons with keyboard in a kind of integrated computer, and monitoring and the transmitting-receiving control of keyboard data signal are gordian techniquies of the present invention.
Introduction of the present invention provides a kind of keyboard to call the implementation method of display OSD menu in integrated computer, the concrete form of the method designs a functional module before the main frame PS2 keyboard of integrated computer, realize PS2 keyboard signal to monitor and function of shielding, functional module is connected with display video control module by GPIO, and monitor free key value replace indicator knob call, OSD menu be set.
Functional module is core of the present invention, and functional module is the embedded subsystem with MCU, and PS2 interface keyboard is connected to the input end of functional module, is used for receiving and dispatching keyboard code; Output terminal comprises PS/2 bus and GPIO, PS/2 bus is directly connected with computer main board PS/2 keyboard interface, for the communication of PS/2 keyboard signal and host computer system, GPIO is that the OSD of conformable display panel controls push button signalling, be connected to display video control module, realize the control of keyboard key-value pair display OSD.
The software protocol aspect of functional module, after computer main board powers on, input end receives the command code from keyboard equipment, and sends to main board system by output terminal; Equally, main board system is sent to the keyboard answer back code of functional module output terminal, and functional module receives and is sent to keyboard equipment, completes the Functional Design of keyboard as computer entry device.When functional module detects that OSD recalls order, instruction can be sent to display video control module by MENU signal by functional module, meanwhile, forbids the transmission of keypad code to main frame.Under current state, the setting of OSD association attributes can be carried out by other free buttons of keyboard, after being provided with, being provided with rear button and closing OSD menu, and recover the function of keyboard as computer entry device.In addition, also can customize button and show self-adjusting AUTO button as display.
Key problem in technology of the present invention is that functional module accurately receives a keyboard data and completes the communication with computer main board keypad function in real time, and carries out keyboard data transmission control in time when keyboard sends and calls OSD menucommand.Functional module garbled-reception keyboard data or can not accurately identify keyboard invalid data time, the mistake of module can be caused to export, computor-keyboard disabler.
Free button in the QWERTY keyboard that integrated computer connects replaces the OSD call buttons of display, when needs adjustment display is arranged, keypad key recalls OSD menu, at this moment the output of keyboard data is prohibited, computer main board can not be input to again, prevent keyboard to the maloperation of computer, and then with other free buttons carry out OSD menu selection, operation is set etc., be provided with rear button and close OSD menu, and recover the function of keyboard as computer entry device.In this integrated computer, compared to the prior art keyboard calls the implementation method of display OSD menu, simplifies the appearance design of integrated computer display, facilitates operation again, has good popularization, use value.
Accompanying drawing explanation
Fig. 1 is the theory diagram of implementation method of the present invention.
Fig. 2 is the control program process flow diagram of this functional module of the present invention.
Embodiment
More detailed elaboration is carried out to content of the present invention below:
After on computer main board, function module design completes, software can be implemented according to following instance step:
Step 1: the ScrLK key that click keyboard is of little use, can set double-press time interval and must not send instruction more than 300ms, MENU signal, recall the OSD menu of display, forbid the transmission of PS/2 keyboard data to main frame simultaneously.
Step 2: after recalling OSD picture, selects UP, DOWN directionkeys on keyboard to arrange button as the items selection of OSD menu and property value, carries out relevant setting.
Step 3: after completing relevant setting, click esc key, EXIT signal sends instruction, closes the OSD menu of display, and enable PS/2 keyboard data is to the transmission of main frame simultaneously.
Step 4: under OSD adjusts enabled state, can select "enter" key" that button is set as display AUTO.
Claims (3)
1. in integrated computer, keyboard calls the implementation method of display OSD menu, it is characterized in that, before the PS/2 interface of integrated computer mainboard, design a functional module realizing PS/2 keyboard signal and monitor and control, this functional module transmitting-receiving PS/2 keyboard data also completes the communication with computer main board keypad function in real time;
After computer main board powers on, input end receives the command code from keyboard equipment, and sends to main board system by output terminal; Equally, main board system is sent to the keyboard answer back code of functional module output terminal, and functional module receives and is sent to keyboard equipment, completes the function of keyboard as computer entry device;
When functional module detects that OSD recalls order, instruction can be sent to display video control module by MENU signal by functional module, meanwhile, forbids the transmission of keypad code to main frame; Under current state, the setting of OSD association attributes can be carried out by other free buttons of keyboard, after being provided with, being provided with rear button and closing OSD menu, and recover the function of keyboard as computer entry device.
2. method according to claim 1, is characterized in that, functional module is connected with display video control module by GPIO, and monitor free key value replace indicator knob call, OSD menu be set.
3. method according to claim 1 and 2, is characterized in that, functional module connects PS/2 keyboard equipment and main frame PS/2 keyboard interface, realizes bidirectional data communication, and by detecting the opening and closing of OSD picture, the transmission realizing keyboard data controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510135278.4A CN104750265A (en) | 2015-03-26 | 2015-03-26 | Method for calling displayer OSD menu in all-in-one computer through keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510135278.4A CN104750265A (en) | 2015-03-26 | 2015-03-26 | Method for calling displayer OSD menu in all-in-one computer through keyboard |
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| Publication Number | Publication Date |
|---|---|
| CN104750265A true CN104750265A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510135278.4A Pending CN104750265A (en) | 2015-03-26 | 2015-03-26 | Method for calling displayer OSD menu in all-in-one computer through keyboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148377A (en) * | 2019-04-23 | 2019-08-20 | 苏州佳世达电通有限公司 | Display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812253U (en) * | 2010-10-15 | 2011-04-27 | 浪潮电子信息产业股份有限公司 | Keyboard/mouse device capable of switching PS/2 (Personal System/2) to USB (Universal Serial Bus) |
| CN102279654A (en) * | 2011-08-25 | 2011-12-14 | 浪潮电子信息产业股份有限公司 | Method for realizing keyboard in keyboard, video and mouse (KVM) all-in-one machine calling on screen display (OSD) menu of display |
| CN103076888A (en) * | 2013-01-08 | 2013-05-01 | 浪潮集团有限公司 | KVM (Kernel-based Virtual Machine) equipment and method for calling OSD (On-screen Display) for channel switching by USB (Universal Serial Bus) keyboard in KVM equipment |
-
2015
- 2015-03-26 CN CN201510135278.4A patent/CN104750265A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812253U (en) * | 2010-10-15 | 2011-04-27 | 浪潮电子信息产业股份有限公司 | Keyboard/mouse device capable of switching PS/2 (Personal System/2) to USB (Universal Serial Bus) |
| CN102279654A (en) * | 2011-08-25 | 2011-12-14 | 浪潮电子信息产业股份有限公司 | Method for realizing keyboard in keyboard, video and mouse (KVM) all-in-one machine calling on screen display (OSD) menu of display |
| CN103076888A (en) * | 2013-01-08 | 2013-05-01 | 浪潮集团有限公司 | KVM (Kernel-based Virtual Machine) equipment and method for calling OSD (On-screen Display) for channel switching by USB (Universal Serial Bus) keyboard in KVM equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148377A (en) * | 2019-04-23 | 2019-08-20 | 苏州佳世达电通有限公司 | Display device |
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Application publication date: 20150701 |
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