JPH0646375B2 - Keyboard controller - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a keyboard control device, and in particular, when a key is continuously pressed for a certain period of time, the pressed information is stored in a specific code in the form of a host or the like. The present invention relates to a keyboard control device for notifying a host device.

(Technical background and problems) When the same operation needs to be repeated when pressing or pressing a key on the keyboard to create or edit a sentence or a figure, for example, move the cursor to a position separated by a predetermined distance. In this case, the cursor key is continuously pressed to move the cursor quickly.

Conventionally, as a control method for performing such rapid movement of the cursor, when the cursor key on the keyboard is continuously pressed, the same code as the code generated when the cursor key or the like is pressed is used. There is a method in which the code is continuously generated at a predetermined cycle and the generated code is sent to a host or the like. The host or the like has successively performed processing corresponding to the transmitted code. Then, on the host side, even if the same code is notified from the keyboard device, whether the key on the keyboard is continuously pressed or continuously pressed repeatedly, it is simply a code It cannot be determined only by itself. Therefore, there is a problem in that it is impossible for the operator to directly notice the difference in operation as to whether the operator is continuously pressing the key or continuously pressing the key.

(Object and Structure of the Invention) An object of the present invention is to solve the above-mentioned problems, and when a key is continuously pressed for a certain period of time, the pressed information is stored in a specific code in a host or the like. By notifying the operator, the consciousness (information) of the operator who pressed the key is directly notified to the host or other higher-level device, and appropriate processing corresponding to the consciousness can be promptly performed. Therefore, the keyboard control device of the present invention includes a pressed state detecting means for detecting a pressed state of a key, and a pressing operation for generating a code corresponding to the pressed key based on a signal detected by the pressed state detecting means. A keyboard generation means and a repetition code having a function equivalent to that of pressing the key a plurality of times in a predetermined cycle when the pressed state is continuously detected by the pressing state detecting means. Repetitive code generating means for generating, and the code generated based on the pressed keyboard generating means and the repeated code generating means is first sent to the press key code and thereafter only the repeated code is sent to a higher-level device. Is characterized by.

Embodiments of the Invention The present invention will be described in detail below with reference to the drawings.

FIG. 1 is a constitution system of one embodiment using the present invention, FIG. 2 is an explanatory diagram showing the operation of the constitution system of one embodiment using the present invention, and FIGS. FIG. 1 is an explanatory diagram illustrating a specific operation of a system according to an embodiment of the present invention.

In the figure, 1 is a keyboard device, 1-1 is a keyboard, 1-
2 is a repeat code generator, 2 is a keyboard controller,
3 is a central processing unit, 4 is a main storage unit, 5 is a display control unit, and 6 is a display unit.

In FIG. 1, reference numeral 1 in the drawing is a keyboard device according to the present invention. When the operator presses a key provided on the keyboard device 1, a coded signal corresponding to the pressed key is notified to the keyboard control unit 2 which is the host. The code notified to the keyboard control unit 2 is further notified to the central processing unit 3, and predetermined processing or decoding is performed. The processing, decoding and the like are executed by the control program stored in the main storage device 4. Then, if necessary, the result of the execution is notified to the display device 6 via the display control device 5, and a predetermined character or the position of the cursor is displayed as described later.

FIG. 2 shows an example of a notification code notified to the keyboard control unit 2 when a key provided on the keyboard device 1 shown in FIG. 1 is pressed.

FIG. 2 (A) An example of conditions when the keyboard device 1 is pressed,
FIG. 2B shows an example of a notification code when the conventional keyboard device is pressed, and FIG. 2C shows an example of a notification code when the keyboard device 1 according to the present invention is pressed.

In the case of the conditions in the figure, that is, when the cursor movement key "←" is continuously pressed, the conventional notification code is "←, ←,
The cursor movement keys “←” are consecutive like “←, ← ...” On the other hand, the notification code according to the present invention is “←,
REP, REP, REP ... ", and the cursor movement key" ← "is followed by" REP ".

Under the same condition, that is, when the English letter key "A" is continuously pressed, the conventional notification code is "A, A, A, A."
On the other hand, the notification code according to the present invention is like "A, REP, REP, REP ..." Therefore, in the case of conditions and conditions, the notification code according to the present invention is an operator. It is possible to directly notify the host etc. in the form of "REP" and recognize it by continuously pressing the cursor movement key "←" or the letter key "A". I can't let you do it.

In the case of the conditions and conditions in the figure, that is, when the cursor movement key "←" or the English letter key "A" is pressed three times in succession, both the conventional notification code and the notification code of the present invention are "←, ←, ←". Alternatively, it becomes "A, A, A". As a result, the host can be made aware that the operator has continuously pressed the cursor movement key "←" or the English letter key "A" in both the conventional case and the present invention.

FIG. 3 shows an explanatory view for explaining the operation shown in FIG. 2, that is, the operation when the cursor movement key “←” is continuously pressed three times.

When the operator continuously presses the cursor movement key “←” provided on the illustrated keyboard device 1 three times in succession, the notification code “←, ←, ←” is the host keyboard control unit 2
Known to. Then, the central processing unit 3 sets the position of the cursor displayed on the display device 6 based on the notification code notified from the keyboard control unit 2, for example, "once" or "twice" in the figure.
And sequentially moving to the left by 2 dots as "3 times". The moving distance can be arbitrarily set in advance. The conditions shown in the figure are generally used when the cursor is near the desired target position.

FIG. 4 is an explanatory diagram for explaining the operation shown in FIG. 2, that is, the operation when the cursor movement key “←” is continuously pressed.

When the operator continuously presses the cursor movement key "←" provided in the illustrated keyboard device 1, the notification code "← 'REP, REP, REP'..." Is notified to the keyboard control unit 2. If the position of the cursor is “once” in the figure, for example, 2 dots, “2” are generated based on the notification code “←”.
In the case of “time”, for example, 12 based on the notification code “REP”
In the case of dots, "three times", it moves to the left in the form of, for example, 12 dots based on the notification code "REP". The number of dots moved corresponding to the notification code "REP" can be set to a desired value in advance.

FIG. 5 is a state diagram showing a state in which the control according to the present invention is performed.

The columns show the initial state in which a key provided on the keyboard device 1 is pressed. In this state, the key identification code, for example, the above-mentioned notification code "←" is sent to the host and the timer is started.

After pressing the key in the column, a predetermined time, for example 500 ms
Shows the state when has not passed. In this state, the timer started in the state is in the counting state.

The column shows the state in which the above-mentioned repeat code "REP" code is transmitted. In this state, the "REP" code is notified to the host and the like, and a timer for counting the cycle of repeating the "REP" code and notifying the host, for example, 100 ms, is started. By adopting such a configuration, if the key is continuously pressed for 500 ms or more,
The notification code corresponding to the pressed key is followed by a repeat code (“REP” code) of 100 m indicating the pressed state.
The host or the like is notified every s.

FIG. 6 shows an example of a flowchart for performing the control according to the present invention.

Keyboard 1-1 and repeat code generator 1 in the figure
Reference numeral -2 constitutes the keyboard device 1 according to the present invention.

In the figure, a keyboard 1-1 shows various keys, for example, cursor movement keys shown in the figure. When a shown key "←" is pressed, a predetermined signal ("←" code) generates a repeat code. Part 1-2 is notified.

The figure shows the time monitoring state, in which the timer is started based on the signal notified from the keyboard 1-1 and the key pressing time is monitored.

The figure shows a state in which it is determined whether or not the key pressing time T is longer than a predetermined time To set in the timer, for example, 500 ms shown in FIG. In the case of YES, since the key has been continuously pressed for the time To or more, the repeat code (“REP”) is generated (illustrated).

The figure shows a state in which a signal corresponding to a code generated depending on the state is notified to the keyboard control unit 2 or the like which is the host.

FIG. 7 shows various signal relationships when controlling based on the flowchart shown in FIG.

Scanning signals are shown in the figure, and the keyboard shown in FIG.
1 is a scanning signal for detecting which of the keys above 1 has been pressed.

Key input is shown in the figure, and keyboard 1-1 shown in FIG.
The signal showing the key input state notified to the repeat code generating section 1-2 by pressing the upper key is shown.

The time setting is shown in the figure, and the state in which the timer is activated under the state (time monitoring) shown in FIG. 6 is shown.

In the figure, the sending code is a code "←" to be sent to the host at the time of key-in shown in the figure (state of code sending) and a repeat code to be sent every 100 ms 500 ms after key-in. Indicates "REP".

(Effects of the Invention) As described above, according to the present invention, when a key is continuously pressed for a predetermined period of time, the continuously pressed information is notified to the host or the like in the form of a specific code. , The host or the like can directly know the information pressed by the operator, and can appropriately perform appropriate processing corresponding to the information.

[Brief description of drawings]

FIG. 1 is a constitution system of one embodiment using the present invention, FIG. 2 is an explanatory diagram showing the operation of the constitution system of one embodiment using the present invention, and FIGS. FIG. 1 is an explanatory diagram illustrating a specific operation of a system according to an embodiment of the present invention. In the figure, 1 is a keyboard device, 1-1 is a keyboard, 1-
2 is a repeat code generator, 2 is a keyboard controller,
3 is a central processing unit, 4 is a main storage unit, 5 is a display control unit, and 6 is a display unit.

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Claims (1)

[Claims] 1. Pressed state detection means for detecting a pressed state of a key, and pressed key code generation means for generating a code corresponding to the pressed key based on a signal detected by the pressed state detection means. A repetition code for generating a repetition code having a function equivalent to that when the key is pressed a plurality of times in a predetermined cycle when the pressed state detecting means detects a state where the key is continuously pressed. Generating code, and transmitting the code generated based on the push key code generating means and the repeat code generating means to the host device initially at the push key code and thereafter only at the repeat code. Keyboard control device.