JPH0981102A - Method for controlling displaying display screen and its information processing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform switching control of display screen data at a high speed and smoothly even if whole display data requires a large capacity exceeding the memory capacity of a display device. SOLUTION: This device is provided with a display device 2 provided with an information processing operation section 4, a display 21 displaying a graphic screen on a man-machine inter-face section, a graphic memory 22 storing display data and a data input means 23, and a display controller 3 controlling display screen data of the display device 2 based on the information processing operation section 4 and receiving and processing an operation indication instruction from the data input means 23. And, the display controller 3 down-loads data of a display screen being probable be switched and displayed succeeding to this display screen on the graphic memory 22 of the display device 2 during displaying some screen by the display device 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device using a flat panel display in a man-machine interface part, and handles a large amount of graphic display data and is required to perform smooth display control. The present invention relates to a method and an information processing apparatus thereof.

[0002]

2. Description of the Related Art FIG. 1 is an information processing apparatus having a general display device used in the description of the present invention and the prior art. In FIG. 1, the information processing device 1 has a required calculation
An information processing calculation section 4 including an application processing program 41 for controlling, a display 21 for displaying a graphic screen as a man-machine interface section of the information processing calculation section 4, and a graphic memory for storing display data.
A display device 2 including 22 and a data input unit 23 for controlling an operation instruction command to the information processing calculation unit 4 and a display screen operation instruction command, and a display device based on data from the information processing calculation unit 4. Display data transmitting means 31 for controlling the display screen data of and transmitting it to the display device 2.
And a display controller 3 having an input reception processing means 32 for receiving an operation instruction command from the data input means 23.

In such a structure, when the switching of the display screen of the conventional man-machine interface is controlled at high speed, the display device is equipped with a large-capacity graphic memory so that the entire display screen to be displayed on the display device 2 can be displayed in advance. High-speed screen control is realized by storing it in the memory and transmitting only the display screen switching command of the graphic memory from the display controller.

However, when the display device using a flat panel display as the display 21 has a shortage of the capacity of the graphic memory, it takes a long time to switch the screen display. FIG. 4 is an explanatory diagram for explaining the screen display switching control when the graphics memory capacity is insufficient. For example, FIG. 4 (A) shows that the display screen is screen A, screen B, screen C, or vice versa. , A screen transition state of transition to screen B and screen A is shown, and FIG. 4B shows an example of screen transition control.

In FIG. 4B, the flow of time is plotted along the vertical axis, and the state of the display device 2 is shown on the left and the state of the display controller 3 is shown on the right in the horizontal axis. Although not shown in the upper part of FIG. 4B, for example, it is assumed that the screen A is displayed on the display device 2 and the screen B is selected as the next display screen. Step s1
Then, the display controller 3 transmits a series of data regarding the screen B to the display device 2, and then the step s2
Then, the display device 2 receives the series of data relating to the screen B, and the step of completing the reception of the series B of data.
At s3, the display device 2 displays the screen B. Also,
When this screen B is being displayed, the operator may perform an operation instruction command (input data 11) from the data input means 23 of the display device 2 to the information processing operation unit 4 in step s4, step s6 ,. , 12, ...) is transmitted to the display controller 3, and steps s5, s7, ...
Then, the display controller 3 uses the data input means 23.
Operation instruction command (input data
11, 12, ...), and the information processing apparatus 1 can execute / stop / change / correct the necessary arithmetic control according to the operator's instruction from the man-machine interface.

Next, in step s8, a screen is displayed from the operator.
When the display controller 3 is instructed to the C display selection input by the data input means 23, the display controller 3 receives the screen C display selection input in step s9, and displays a series of data related to the screen C in step s10. To the device 2, the display device 2 receives a series of data on the screen C in step s11, and the display device 2 displays the screen C in step s12.

[0007]

In recent years, the high performance, high functionality and miniaturization of information processing devices have been further promoted, and the sophistication of the man-machine interface function has been demanded.
The amount of graphic data to be processed also tends to increase. In the current situation where a display device has a wide variety of display contents and is required to display more information, a small and compact display device capable of displaying graphic information including character information,
For example, the number of information processing apparatuses that employ a flat panel display as a display is increasing.

However, in a display device having a flat panel display as a display device as described above, due to the limitation of the mounting space of the graphic memory and the increase of graphic information exceeding the high integration of the graphic memory, the display device is There is a problem that it is difficult to store all the display screens to be displayed in the graphic memory in advance.

The present invention has been made in view of the above points, and an object thereof is to solve the above-mentioned problems and to display a display screen even if the total display screen data requires a large capacity exceeding the memory capacity of the display device. It is an object of the present invention to provide a display screen display control method and an information processing apparatus for the same that can smoothly switch data and manage all data on the display control side.

[0010]

In order to achieve the above object, in the present invention, an information processing arithmetic unit, a display for displaying a graphic screen and a display data on a man-machine interface of the information processing arithmetic unit are provided. A display device having a graphic memory for storing and a data input means for controlling an operation instruction command to the information processing calculation unit and a display screen operation instruction command, and a display screen of the display device based on data from the information processing calculation unit In a method of controlling display screen display of an information processing apparatus comprising a display controller for controlling data and receiving an operation instruction command from a data input means, the display controller, while the display device is displaying a screen, Display screen data that may be switched next to this display screen Downloaded to the graphic memory of Isupurei device shall be provided with a memory writing means.

With the above configuration, the display controller downloads the display screen data that may be switched and displayed next time into the graphic memory of the display device in advance. When there is a command to switch the display screen,
When the download of the display screen data to the graphic memory is incomplete, the remaining display screen data is downloaded and the display screen is immediately displayed. Further, when the display screen switching command is received and the data of the display screen is completely downloaded, the display screen can be displayed immediately. As a result, when there is a display screen switching command as in the prior art, the download time can be greatly shortened compared to downloading the display screen data from the beginning, and the display screen switching command can be immediately issued. The display screen can be displayed, and the waiting time for switching the display screen can be significantly shortened.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 2 is an explanatory diagram for explaining a display screen display control method and screen transition control of an information processing apparatus according to the present invention, and FIG. It is an explanatory view explaining.
First, FIG. 3 will be described to facilitate understanding of the concept of the present invention. FIG. 3A shows a case where the usage screen has a hierarchical structure, and FIG. 3B shows a case where the usage screen has a ring structure or a rod shape. In FIG. 3 (A), the usage screen has the Main menu M1 at the top, for example,
The whole system configuration diagram of the information processing device 1 or the menu allocation table of the usage screen is arranged, and under the Main menu M1, for example, the Sub configured for each control calculation function block unit
Menus M21, M22, M23… are arranged, and under each Sub menu M21, M22, M23…, for example, Sub menus M31, M32, M3 of control operation units that make up the control operation function block.
3 ... are arranged in a hierarchical structure. In the illustrated example,
For example, in the Sub menu M31, Sub menus M311 ... Which are related to the previous page and the next page are arranged in the same row.

In such a configuration, for example, when the display screen of the display device 2 displays the Main menu M1, the Sub menu which may be switched and displayed next.
Display screen data of M21, M22, M23 ... Are sequentially downloaded to the graphic memory 22 of the display device 2. Next, for example, when the display screen of the display device 2 is displaying the Sub menu M21, the display screen data of the Sub menus M31, M32, M33, etc., which may be switched next, are sequentially displayed on the display device 2. Graphic memory 22
To download. This Sub menu M21 is usually Main
Since it is coming down from the menu M1, by holding the display screen data of the Main menu M1 previously downloaded to the graphic memory 22 without deleting it,
When menu M21 is displayed, Sub menu M31, M32,
M33… and Main menu M1 can be easily changed.
The display screen data for the Sub menus M22, M23, ... when the Main menu M1 is displayed is the graphic memory 22
The graphic memory 22 can be efficiently operated.

Further, for example, when the display screen of the display unit 2 displays the Sub menu M31, the display screen data of the Sub menu M311 which may be switched next is displayed in the graphic memory 22 of the display unit 2.
The display screen data of the Sub menu M21 and Sub menu M311 is held in the graphic memory 22 in the graphic memory 22. As a result, Sub Menu M3
When 1 is displayed, the transition to the Sub menu M21 and Sub menu M311 can be easily performed. In addition, Sub menu M
The display screen data of the Sub menus M32, M33, ... When 21 is displayed is erased from the graphic memory 22, and the graphic memory 22 can be operated efficiently.

When the display screen data of the Sub menu M311 is being displayed on the display device 2, the graphic memory
Sub menu M31 and Sub menu M312 adjacent to 22
The display screen data of is stored in the graphic memory 22. As a result, when the Sub menu M311 is displayed, the Sub menu
Easy transition to M31 and M312. FIG. 3B shows a case where the usage screen has a ring structure (or a rod shape). In Fig. 3 (B), the usage screen is the menu
The case where A, B, C, D, ..., N are arranged in the same row and the menu is changed to the menu on both sides shown by arrows is shown. Note that the usage screen has a rod-like structure when, for example, there is no transition between menu A and menu N.

In such a configuration, for example, when the display screen of the display device 2 is displaying the menu B, the display screen data of the menu A or menu C which may be switched next is displayed as the graphic of the display device 2. Download to memory 22, menu A, B,
The display screen data of C is held in the graphic memory 22. As a result, when menu B is displayed, the menu
Transition to A and menu C can be done easily. When the menu B is displayed, for example, the display screen data of the menu D is erased from the graphic memory 22, so that the graphic memory 22 can be operated efficiently.

When the utilization screen shown in FIG. 3B has a ring structure, the display screens that may be switched next are menus located on both sides, so that FIG.
It is possible to reduce the memory capacity of the graphic memory 22 as compared with the case where there are a plurality of lower-direction display screens that may be switched and displayed next, as shown in FIG.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a display screen display control method and a screen transition control of an information processing apparatus therefor according to an embodiment of the present invention will be described with reference to FIGS. In FIG. 1, the information processing apparatus 1 includes an information processing calculation unit 4, a display 21 for displaying a graphic screen on a man-machine interface unit of the information processing calculation unit 4, a graphic memory 22 for storing display data, and information. Data input means 23 for controlling the operation instruction command to the processing operation section 4 and the operation instruction command of the display screen
A display device 2 including: a display controller 3 for controlling display screen data of the display device 2 based on data from the information processing arithmetic unit 4 and receiving and processing an operation instruction command from the data input means 23; It is configured with. While the display controller 3 is displaying a screen having the display device 2, (A) in FIG.
(B) described above, the display device 2 is provided with a memory writing means for downloading display screen data that may be displayed next to the display screen currently displayed by the display device 2 to the graphic memory 22 of the display device 2. To be done.

In FIG. 2, (A) of FIG. 2 shows a case where the transition of the usage screen has a rod-like structure. Hereafter, for simplification of the explanation, there is a possibility that the next switching display screen is on both sides. The case of the menu located at is explained. That is, it is assumed that there are only two screen transition directions, and the graphic memory 22 of the display device 2 has a graphic memory capacity for three screens.

In FIG. 2B, the vertical axis represents time, and the horizontal axis represents the state of the display device 2 on the left side and the state of the display controller 3 on the right side. In step S3 in the upper part of FIG. 2B, the menu screen B is displayed on the display device 2, and the data of the menu screen A adjacent to the menu screen B is already stored and held in the graphic memory 22. It is assumed that the data of C is not stored and retained. If there is a little time between the start of displaying the menu screen B in step S3 and the operation of the data input 11 by the data input means 23 in step S6, which will be described later, in step s4, the display controller 3 displays the menu screen. A screen transfer process for transmitting a series of data on C (composed of C1 to Cn) to the display device 2 is performed. In the illustrated example, the data of the screen C1 is transmitted in step s4, and the display device 2 receives the data of the menu screen C1 in step s5.

When there is an interrupt input of some input operation (data input 11 in the illustrated example) from the display device 2 from the display device 2 during transmission, the screen transfer process is immediately interrupted, and in step s6, an operation instruction command ( Input data
11) is transmitted to the display controller 3, and in step s7, the display controller 3 receives an operation instruction command (input data 11) from the data input means 23 to the information processing calculation section 4.

Here, the input data 11 of the operation instruction command is
Unlike graphic data such as the menu screen, the data capacity is relatively small, so data transmission / reception does not require that much time. If the operator judges or thinks and performs an input operation from the panel (data input means 23), the input processing from the display device 2 has a vacant time. Therefore, the data of the menu screen C is continuously displayed during this vacant time. Forward. That is, the data of the menu screen C2 is transmitted in step s8, and the display device 2 receives the data of the screen C2 in step s9. Next data input from the display device 2 by the data input means 23 12
Interrupt input, in step s10, input data
12 is sent to the display controller 3 and step
In s11, the display controller 3 receives the input data 12. Hereinafter, similarly, if there is no operation instruction command from the data input means 23 to the information processing calculation unit 4 during the display period of the menu screen B, the display controller 3 transmits the remaining data of the menu screen C2, and the display device 2
If there is an interrupt operation instruction command from, it is received.
If there is an interrupt input of the data input 1n by the data input means 23 from the display device 2 during the transmission of the menu screen C2, the input data 1n is transmitted to the display controller 3 in step s12, and the display controller 3 displays the menu in step s13. The data Cn of the screen C is transmitted, and in step s15, the display device 2 receives the data Cn of the screen C.

When the menu of the use screen is constructed in a hierarchical structure as shown in FIG. 3A, the capacity of the screen mounted on the graphic memory 22 is increased so that the upper and lower unstored memory areas are not stored. The data of the menu screen M ... Is sequentially transmitted to the graphic memory 22. Next, in step s16, when the operator inputs a screen C display selection input to the display controller 3 using the data input means 23, step s1
In 7, the display controller 3 receives this screen C display selection input, and in step s18, transmits the untransmitted data related to screen C, and in step s19
Then, the display device 2 completes the reception of the series of data regarding the screen C. Subsequently, in step s20, the display controller 3 outputs a display instruction of the stored data of the screen C, and in step s21, the display device 2 displays the screen C.
Is displayed. If there is no untransmitted data for screen C in step s18, the process immediately jumps to step s20, the display controller 3 outputs a display instruction for the stored data of screen C, and in step s21, the display device 2 Display screen C.

[0024]

As described above, according to the configuration of the present invention, while a certain screen is being displayed, the data of the display screen that may be switched next may be stored and held in the graphic memory in advance. Even if the total display screen data requires a large capacity that exceeds the memory capacity of the display device, the operator of the man-machine interface scans the screen transition command by rearranging the display screens that may be switched next time. After the operation, the screens can be switched at a relatively high speed, and the screen control performance can be improved.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an information processing device including a general display device.

FIG. 2 is an explanatory diagram illustrating a display screen display control method and a screen transition control of the information processing apparatus according to the present invention.

FIG. 3 is an explanatory diagram illustrating a usage screen control mode that may be switched and displayed next.

FIG. 4 is an explanatory diagram illustrating a screen display switching control when there is a shortage of a graphic memory capacity according to the related art.

[Explanation of symbols]

 1 information processing device 2 display device 21 display device 22 graphic memory 23 data input means 3 display controller 4 information processing unit A, B, C, D, N, M1, M21, M22, M23, M31, M32, M311 screen

Claims (2)

[Claims] 1. An information processing arithmetic unit, a display for displaying a graphic screen as a man-machine interface unit of the information processing arithmetic unit, a graphic memory for storing display data, and an operation instruction command for the information processing arithmetic unit. A display device provided with a data input means for controlling an operation instruction command of the display screen; and controlling the display screen data of the display device based on the data from the information processing arithmetic unit,
In a method of controlling a display screen display of an information processing apparatus, which comprises a display controller that receives and processes an operation instruction command from a data input means, the display controller displays a screen of a display device while the display screen is displayed. Next, a display screen display control method, characterized in that display screen data that may be switched and displayed next is downloaded to a graphic memory of a display device. 2. An information processing arithmetic unit, a display unit for displaying a graphic screen as a man-machine interface unit of the information processing arithmetic unit, a graphic memory for storing display data, and an operation instruction command for the information processing arithmetic unit. A display device provided with a data input means for controlling an operation instruction command of the display screen; and controlling the display screen data of the display device based on the data from the information processing arithmetic unit,
In an information processing apparatus including a display controller that receives and processes an operation instruction command from a data input unit, the display controller may switch and display the screen next to the display screen while the screen is displayed. An information processing apparatus, comprising: a memory writing unit that downloads certain display screen data to a graphic memory of a display device.