Specific scanning code setting method of manual output device
A manual input and scan code technology, applied in the input/output process of data processing, instruments, calculations, etc., can solve the problem that the wake-up key cannot be set, the special function key reset method cannot be provided, and the user cannot know the scan code. and other issues to achieve the effect of improving operational efficiency
Active Publication Date: 2009-08-12
VIA TECH INC
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Problems solved by technology
When the computer is in a sleep state, the user does not want other users to wake up the computer, so he wants to set a complex key group as a wake-up key. However, ordinary computers cannot know the scan codes of these complex keys, nor can they provide special functions. key reset method, so users cannot set this complicated key as a wake-up key
[0006] And for the system chip manufacturer, it is necessary to know the settings of the third-party manufacturer in order to store the correct special scan code in the BIOS. It will be much more convenient if the third-party manufacturer can change the settings by themselves; the user cannot know the function of each button. The scan code only follows the initial setting of the computer, and uses the initial setting of the computer manufacturer as a standard, and cannot customize the special function keys that meet your needs.
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[0035] A method for setting a special scan code of a manual input device according to a preferred embodiment of the present invention will be described below with reference to related figures.
[0036] figure 2 It is a schematic diagram of a calculator device applying the special scan code setting method of the manual input device of the present invention.
[0037] Please refer to figure 2 As shown, the calculator device 2 includes a central processing unit 21, a north bridge chip 22 and a south bridge chip 23, and the central processing unit 21 is connected via the front side bus B 1 It is connected with the north bridge chip 22, and between the north bridge chip 22 and the south bridge chip 23 is a bus B 2 connect. Here, the north bridge chip 22 is mainly connected with high-speed interface devices, such as the memory 24 and the display card 26 . Among them, the memory 24 through the memory bus B 3 Connect with the north bridge chip 22. And the display card 26 passes...
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A method for setting a special scan code of a manual input device, comprising: establishing a transmission channel between the manual input device and a scan code register of a calculator device; obtaining at least one scan code for setting a special function from the manual input device The code is used as a custom-made special code to instruct the calculator device to perform a special function, wherein the scan code for setting the special function corresponds to at least one input key of the manual input device; store the custom-made special code in the scan code temporary register of the calculator device input and output buffers with the manual input device; and close the transmission channel.
Description
technical field [0001] The invention relates to a method for setting a special scanning code of a manual input device. Background technique [0002] When using a computer, we use a manual input device to input instructions or data. The most common manual input device is a keyboard or a mouse with a PS2 interface or a USB interface. The user inputs data into the computer by pressing the keys on the keyboard and the mouse, or gives instructions to the computer. [0003] Generally, a computer includes a central processing unit, a south bridge chip and a north bridge chip, wherein the south bridge chip acts as a bridge between the peripheral devices of the computer and the central processing unit. Please refer to figure 1 As shown, the south bridge chip 1 includes a scan code register 11 , a manual input device input and output buffer 12 , and a manual input device controller 13 , and has a keyboard 14 used in conjunction with it. When the user wants to execute this special f...
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IPC IPC(8): G06F3/023
Inventor 卓晔郭哲玮彭裕萍
Owner VIA TECH INC