TW201702813A - Keyboard control circuit - Google Patents

Abstract

A keyboard control circuit is configured on a circuit board. The circuit board is electrically connected to a keyboard having a polarity of keys. The keyboard control circuit includes a macro key control unit, a key setting module and a processing module. The macro key control unit is coupled to the keyboard, and analyzes a key-press time sequence combination of at least two keys being triggered in a preset time to accordingly generate a key-press time sequence combination signal. The key setting module is applied for setting a signal conversion rule, and transmits the signal conversion rule to the macro key control unit. The macro key control unit converts a function key signal to the key-press time sequence combination signal according to the signal conversion rule. The processing module executes a control function after receiving the key-press time sequence combination signal converted by the macro key control unit.

Description

Keyboard control circuit

The present invention relates to a control circuit, and more particularly to a keyboard control circuit.

Generally speaking, the existing computer games mainly use a keyboard, a mouse or a combination thereof for manipulation. Since the keyboard is composed of a plurality of buttons, more commands can be output, so some games are even completely input by keyboard. As the main mode of operation.

Traditionally, in some game settings, when a user continuously inputs certain combinations of keys for a certain period of time, certain functions within the game are triggered. For example, in a fighting game, the user often needs to pass through the keyboard. A composite key composed of a plurality of key combinations is input to control the corresponding gesture of the character operated by the user. However, in the composite key, there is often a time difference between the keys. Therefore, in practice, it is often seen that when the user presses each button corresponding to the composite key, the composite may not be completed because the time difference set by the composite key is not met. The output command of the key is repeatedly pressed until the pressing of the composite key is successfully completed, which causes inconvenience to the user, and is also likely to cause a decrease in the service life of some frequently pressed keys.

The invention provides a keyboard control circuit, which is suitable for being electrically connected to a keyboard device. The keyboard device comprises a plurality of buttons. The keyboard control circuit comprises a shortcut key control unit, a button setting module and a processing module.

The shortcut key control unit is electrically connected to the keyboard device, and parses at least two of the keys to be triggered by a key timing combination within a preset time, thereby generating a key timing combination for performing a control function Signal.

a button setting module, configured to set a self-setting rule to define a function key signal sent by the keyboard device when a function key is triggered as the key timing combination signal, and transmit the self-setting rule to the The shortcut key control unit causes the shortcut key control unit to convert the function key signal into the key timing combination signal when the function key signal is received.

The processing module is electrically connected to the shortcut key control unit, wherein when the function key is triggered to cause the keyboard device to send the function key signal to the shortcut key control unit, the shortcut key control unit according to the self-setting rule The function key signal is converted into the key timing combination signal and sent to the processing module, so that the processing module receives and performs the control function according to the key timing combination signal.

The keyboard control circuit of the present invention can provide a user to set a shortcut key combination, so that the user can more conveniently output the output command of the composite key through the shortcut key.

PA100‧‧‧Keyboard Control Circuit

PA1‧‧‧USB port埠

PA2‧‧‧USB Control Wafer

PA3‧‧‧ processing unit

PA200‧‧‧ circuit board

PA300‧‧‧ keyboard device

100‧‧‧Keyboard control circuit

1‧‧‧Short Key Control Unit

11‧‧‧USB transmission interface

12‧‧‧ Keyboard setting firmware

13‧‧‧LPC transmission interface

2‧‧‧Processing module

3‧‧‧Key setting module

4‧‧‧Basic input and output system

200‧‧‧ boards

201‧‧‧USB connection埠

300‧‧‧ keyboard device

300a, 301, 302, 303, 304, 305, 306, 307‧‧‧ buttons

400‧‧‧ display screen

S1‧‧‧ setting signal

K1‧‧‧ function key signal

K2‧‧‧Key Timing Combination Signal

t, t', t"‧‧‧ preset time

T1, t2, t3, t4, t1', t2', t3, t4', t1", t3", t5"‧‧‧

T2", t4"‧‧‧Unpressed time interval

The first figure is a schematic diagram showing the system of the keyboard control circuit of the present invention; the second figure is a schematic plan view showing the keyboard device electrically connected to the circuit board provided by the keyboard control circuit of the present invention; A is a schematic enlarged view; the second B is an enlarged view of the circle B of the second figure; the third figure is a schematic diagram showing the setting interface displayed by the button setting module of the present invention on the display screen; the fourth figure is a display function key F1 The key sequence diagram of the key timing combination corresponding to the time; the fifth figure is the key sequence diagram of the key timing combination corresponding to the function key F2; the sixth figure shows the key timing combination corresponding to the function key F3 The key sequence diagram is shown; and the seventh figure is a schematic diagram showing the preset rule interface displayed by the button setting module of the present invention on the display screen.

Please refer to the first figure. The first figure is a schematic diagram showing the system of the keyboard control circuit of the present invention. As shown, a keyboard control circuit 100 includes a shortcut key control unit 1, a processing module 2, a button setting module 3, and a basic input/output system 4. The keyboard control circuit 100 is disposed on a circuit board 200, and the circuit board 200 has a universal serial bus (USB) port 201 and USB. The port 201 is electrically connected to a keyboard device 300. It should be noted that, in practical practice, the circuit board 200 usually includes a plurality of USB ports 201, and the keyboard device 300 is electrically connected to one of the plurality of USB ports 201.

Please refer to the second to second B drawings. The second figure is a schematic plan view of the keyboard device electrically connected to the circuit board provided by the keyboard control circuit of the present invention; and the second A is an enlarged view of the circle A of the second figure; The second B is an enlarged view of the circle B of the second figure. As shown in the figure, the keyboard device 300 includes a plurality of buttons 300a (only one is shown in the figure, and the present embodiment is further described by seven buttons 301, 302, 303, 304, 305, 306, and 307); 301, 302, 303, 304, 305, 306, and 307 are A key, S key, D key, W key, Ctrl key, Alt key, and F1 key, respectively, and A key, S key, D key, and W key are in this. In the game to be described in the embodiment, the corresponding representations are ← (left), ↓ (bottom), → (right), and ↑ (top), and the Ctrl and Alt keys indicate taps and slams.

Please refer to the first to second B diagrams. As shown in the figure, the shortcut key control unit 1 includes a USB transmission interface 11, a keyboard setting firmware 12, and an LPC (Low pin count Bus (LPC) transmission interface 13 .

The USB transmission interface 11 is electrically connected to the USB port 201 and electrically connected to the keyboard device 300 via the USB port 201.

In one embodiment, a keyboard setting firmware 12 is further included, and is electrically connected to the USB transmission interface 11 to receive a plurality of key signals transmitted by the keyboard device 300 through the USB transmission interface 11 and the USB port 201. For example, the keyboard setting firmware 12 of the embodiment will be parsed. At least two of the plurality of buttons 300a are triggered for one of the preset time combinations to generate a key timing combination signal K2. The key timing combination signal K2 is a continuous signal composed of a plurality of key signals.

The LPC transmission interface 13 is electrically connected to the keyboard setting firmware 12 for transmitting the key timing combination signal K2 transmitted by the keyboard setting firmware 12.

The processing module 2 is electrically connected to the LPC transmission interface 13 of the shortcut key control unit 1 for receiving the key timing combination signal K2 and performing a control function corresponding to the key combination timing signal K2.

The button setting module 3 is electrically connected to the processing unit 21 of the processing module 2, and is electrically connected to the shortcut key control unit 1 through the processing module 2, and the button setting module 3 is used for a user to set a The self-setting rule is to set one of the above-mentioned buttons 300a as a function key, and to combine the combination of the other buttons with the function key, and then send a setting signal S1 carrying the self-setting rule to the processing unit. 21, and the self-setting rule is stored in the keyboard setting firmware 12 via the LPC transmission interface 13 via the processing unit 21.

For example, in this embodiment, the button 307 is set as a function key, so that one of the function key signals K1 issued when the button 307 is triggered is defined as the key timing combination signal K2, and the self-setting rule is transmitted to the shortcut key control unit. The keyboard setting firmware 12 is stored, so that the keyboard setting firmware 12 of the shortcut key control unit 1 converts the function key signal K1 into the key timing combination signal K2 and transmits it to the processing unit 21 when receiving the function key signal K1, thereby The processing unit 21 combines the signals according to the received key timings. No. K2 performs the corresponding control function. The button setting module 3 is a storage device in the embodiment, and the storage device is provided with a button setting software for the user to set the self-setting rule.

Please refer to the third and fourth figures. The third figure shows the setting interface of the button setting module of the present invention displayed on the display screen; the fourth figure shows the key timing combination corresponding to the function key F1. Key timing diagram. As shown in the third figure, in the embodiment, the button setting module 3 provides a setting interface to be displayed on a display screen 400 for the user to select or type the desired setting through the keyboard or the mouse. The function key is combined with the key sequence, and then the at least one pressing time interval and the at least one unpressed time interval are arranged and combined according to a triggering sequence. For example, the game list of the present embodiment states "←↙↓+ When Ctrl" can execute a specific move, the user can set the display interface displayed on the display screen 400 by the button setting module 3, for example, setting the F1 key as a function key in the function key field, and correspondingly In the key timing combination field, the button signal for setting the A button is continuously transmitted for 50 ms (millisecond) from the t1, and then the button signals for setting the A button and the S button are continuously transmitted for 50 ms from the t2 at the time of pressing, and then set. The key signal of the S key is continuously transmitted for 50 ms from the t3 at the time of pressing, and the key signal of the last set Ctrl key is continuously transmitted for 50 ms from the t4 at the time of pressing.

As shown in the fourth figure, after the user sets the combination of the function key of the third figure and the key sequence through the button setting module 3, the setting signal S1 is stored in the keyboard setting firmware 12, and then the user presses the button 307. Send out the function key signal K1 representing F1 to the keyboard setting firmware 12 When the keyboard setting firmware 12 sends the key timing combination signal K2 corresponding to the function key signal K1 to the processing unit 21 according to the setting of the self-setting rule, the key timing combination corresponding to the key timing combination signal K2 at this time refers to A combination of the A key, the S key and the Ctrl key in a preset time t, and the preset time t further includes four pressed pressing times t1, t2, r3 and t4, and when pressing the distance t1, the A key The signal will continue to be sent for 50ms. Then, when the distance is t2, the A and S keys will continue to transmit for 50ms. Then, when the distance is t3, the S key will continue to transmit for 50ms. Finally, when pressing t4, Ctrl. The key signal is continuously sent for 50 ms, whereby the user can press the button 307 on the keyboard device 300 to cause the processing unit 21 to receive a signal corresponding to the button 301, the button 302, and the button 305 being sequentially pressed within the preset time t. In practical use, the processing unit 21 performs a corresponding move in the game according to the pressing sequence.

Please continue to refer to the third figure, the fifth figure and the sixth figure. The fifth figure is a key sequence diagram showing the key timing combination corresponding to the function key F2; the sixth figure shows the key corresponding to the function key F3. Schematic diagram of key timing for timing combination. As shown in the figure, when the user presses the button representing the F2 key and sends the function key signal K1 representing the F2 to the keyboard setting firmware 12, the keyboard setting firmware 12 sends the corresponding function key according to the setting of the self-setting rule. The key timing of the signal K1 combines the signal K2 to the processing unit 21, and the key timing combination corresponding to the key timing combination signal K2 at this time refers to the combination of the S key, the D key, the Ctrl key and the Alt key in a preset time t. And the preset time t' further includes four pressed pressing times t1', t2', t3' and t4'. When pressing the distance t1', the S key signal will continue to be sent for 50ms, and then to the pressing time interval When t2', the S key and D key signal will Continuously send 50ms, then when pressing the distance t3', the D key signal will continue to send 50ms, and finally when the pressing time is t4', the Ctrl key and the Alt key signal will continue to be sent for 50ms, thereby the user only needs to keyboard device 300 pressing the button corresponding to the F2 button causes the processing unit 21 to receive a signal equivalent to the button 302, the button 303, the button 305, and the button 306 being sequentially pressed within the preset time t'.

Similarly, when the user presses the button representing the F3 button and sends the function button signal K1 representing the F3 to the keyboard setting firmware 12, the keyboard setting firmware 12 sends a signal corresponding to the function button according to the setting of the self-setting rule. The key sequence of K1 is combined with the signal K2 to the processing unit 21, and the key timing combination corresponding to the key timing combination signal K3 at this time refers to the combination of the Ctrl keys in a preset time t", and the preset time t" further includes The three pressed pressing moments are t1", t3" and t5", and the two unpressed unpressed time intervals t2" and t4", and the pressing time is from t1", t3" and t5" and when not pressed. The distances t2" and t4" are arranged in accordance with the trigger sequence to be the pressing time interval t1", the unpressed time interval t2", the pressing time interval t3", the unpressed time interval t4", and the pressing time interval t5".

According to the above, when pressing the distance t1", the Ctrl key signal will continue to transmit for 30ms, then when the time is not pressed, the distance will be stopped for 20ms, and then when the pressing time is t3", the Ctrl key signal Will continue to send 30ms, then when the unpressed time interval t4", will stop sending any signal 20ms, and finally press the t5" when the pressing time will continue to send 30ms, so the user only needs to press the keyboard device 300 The button of the F3 key causes the processing unit 21 to receive a signal equivalent to the button 305 being repeatedly pressed within the preset time t".

Please refer to the third figure and the seventh figure together. The seventh figure is a schematic diagram showing the preset rule interface displayed by the button setting module of the present invention on the display screen. As shown in the figure, in the keyboard setting firmware 12 of the shortcut key control unit 1 of the present invention, a preset rule is further built in. For example, in this embodiment, the F11 key, the F12 key and the DEL key are preset to be preset functions. The key, and the keyboard setting firmware 12 sends a corresponding preset function signal to the basic input/output system 4 when receiving the preset function key signal corresponding to the preset function key; wherein the preset function signal includes one The system is powered on and the processor overclocked signal, a system boot and memory overclocking signal, and a system boot and enter BIOS (Basic Input/Output System, BIOS) signal.

When the user presses the F11 button in the unpowered state, the keyboard device 300 sends a corresponding preset function key signal (not shown), and the keyboard setting firmware 12 receives the preset function key signal. A preset function signal is sent to the basic input/output system 4, causing the basic input/output system 4 to drive the system to boot and enter the processor overclocking mode.

Similarly, when the user presses the F12 button when the user is not turned on, the keyboard device 300 sends a corresponding preset function key signal, and the keyboard setting firmware 12 sends when the preset function key signal is received. The preset function signal is outputted to the basic input/output system 4, so that the basic input/output system 4 drives the system to boot and enters the memory overclocking mode.

In addition, when the user presses the DEL key in the unpowered state, the keyboard device 300 sends a corresponding preset function key signal, and the keyboard setting firmware 12 sends a pre-precetion when receiving the preset function key signal. Set the function signal to the basic input/output system 4 to make the basic input and output system The system 4 drive system is powered on and enters BIOS setup mode.

In summary, compared with the USB control chip of the prior art, the key signals sent by the keyboard device are sequentially transmitted to the processing unit one by one, so the user needs to press a series of buttons on the keyboard device to send a series of keys in the game. The button signal is sent to the processing unit, and then the corresponding gesture is displayed in the game, and this method is not only easy to launch because the pressing is not correct, and the life is easily reduced for some common buttons; however, the present invention The keyboard control circuit mainly uses the shortcut key control unit with the keyboard setting firmware to receive the function key signal transmitted by the keyboard device, and converts the function key signal into according to the self-setting rule set by the user through the button setting module. The key timing combination signal is transmitted, and the processing module performs a control function corresponding to the key combination timing signal according to the key timing combination signal.

In other words, the user can set a self-setting rule through the setting of the present invention, and only need to press a function key to enable the shortcut key control unit to send out a key timing combination signal including a plurality of key signals arranged in a trigger sequence, so that The processing module sequentially receives a plurality of button signals according to the triggering sequence, thereby performing corresponding control functions, effectively increasing user convenience, and effectively increasing the service life of the buttons.

The features and spirit of the present invention will be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed.

100‧‧‧Keyboard control circuit

1‧‧‧Short Key Control Unit

11‧‧‧USB transmission interface

12‧‧‧ Keyboard setting firmware

13‧‧‧LPC transmission interface

2‧‧‧Processing module

21‧‧‧Processing unit

3‧‧‧Key setting module

4‧‧‧Basic input and output system

200‧‧‧ boards

201‧‧‧USB connection埠

300‧‧‧ keyboard device

S1‧‧‧ setting signal

K1‧‧‧ function key signal

K2‧‧‧Key Timing Combination Signal

Claims (10)

A keyboard control circuit is applicable to a keyboard device. The keyboard device includes a plurality of buttons. The keyboard control circuit includes: a shortcut key control unit electrically connected to the keyboard device and parsing at least two of the buttons One of the keystroke timing combinations is triggered within a preset time to generate a key timing combination signal for performing a control function; a button setting module for setting a custom rule and transmitting the custom rule To the shortcut key control unit; and a processing module electrically coupled to the shortcut key control unit; wherein, when a function key is triggered to cause the keyboard device to send a function key signal to the shortcut key control unit, The shortcut key control unit converts the function key signal into the key timing combination signal according to the self-setting rule and sends the signal to the processing module, so that the processing module receives and performs the control function according to the key timing combination signal. The keyboard control circuit of claim 1, wherein the self-setting rule defines the function key signal sent by the keyboard device when the function key is triggered as the key timing combination signal. The keyboard control circuit of claim 1, wherein the preset time includes at least one pressed pressing time interval and at least one unpressed unpressed time interval. The keyboard control circuit of claim 3, wherein the pressing time interval and the unpressing time interval are arranged in accordance with a triggering sequence. The keyboard control circuit of claim 4, wherein the button setting module provides a setting interface for the user to arrange and combine the pressing time interval and the unpressing time interval according to the triggering sequence. The keyboard control circuit of claim 1, further comprising a basic input/output system (BIOS) electrically connected to the shortcut key control unit, and the shortcut key control unit is further built in There is a preset rule that causes the shortcut key control unit to send a preset function signal to the basic input/output system when receiving the preset function key signal. The keyboard control circuit of claim 6, wherein the preset function signal comprises a system booting and a processor overclocking signal, and the basic input/output system is powered on according to the system booting and the processor overclocking signal driving system. Enter the processor overclock mode. The keyboard control circuit of claim 6, wherein the preset function signal comprises a system booting and a memory overclocking signal, and the basic input/output system is powered on according to a system booting and a memory overclocking signal driving system. Memory overclocking mode. The keyboard control circuit of claim 6, wherein the preset function signal comprises a system booting and entering a BIOS signal, and the basic input/output system is powered on according to the system and enters a BIOS signal to drive the system to boot and enter the BIOS. Set mode. The keyboard control circuit of claim 1, wherein the button setting module is displayed in a display screen by a setting interface.