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Method for realizing HMI (Human Machine Interface) software based on Linux GUI (Graphical User Interface) system line drawing function

A technology of system events and functions, applied in the direction of software reuse, creation/generation of source code, visual/graphic programming, etc., can solve problems such as not being able to realize GUI by drawing points

Pending Publication Date: 2022-05-13
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Solve the problem that the GUI cannot be realized by drawing points under Linux

Method used

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  • Method for realizing HMI (Human Machine Interface) software based on Linux GUI (Graphical User Interface) system line drawing function
  • Method for realizing HMI (Human Machine Interface) software based on Linux GUI (Graphical User Interface) system line drawing function
  • Method for realizing HMI (Human Machine Interface) software based on Linux GUI (Graphical User Interface) system line drawing function

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0028] see figure 1 , is the flow chart of the steps of the method for realizing the method of HMI so...

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Abstract

The invention discloses a method for realizing HMI (Human Machine Interface) software based on a Linux GUI (Graphical User Interface) system line drawing function, which comprises the following steps of: S1, calling a line drawing function in a Linux system graphics library to generate a short line segment to achieve a point drawing function; s2, capturing a message event by using a Linux system, accessing the message event into a message event interface which is realized in a user-defined manner, and realizing a message mechanism of a GUI (Graphical User Interface); and S3, performing data conversion on the control, and displaying the data on the Linux system to form HMI software. According to the method, the line drawing function of the Linux GUI system is utilized, the method of HMI software can be achieved, and the problem that the GUI cannot be achieved through point drawing under Linux is solved.

Description

technical field [0001] The invention belongs to the field of industrial configuration and graphics, and relates to a method for realizing HMI software based on the line drawing function of a Linux GUI system. Background technique [0002] Configuration software usually refers to special software for data acquisition and process control, and provides users with flexible and diverse configuration methods (rather than programming methods) for the development of interface platforms. R&D personnel can pre-set the parameters of each monitoring module through the configuration software, and then can realize and complete various functions of the monitoring layer more easily. However, configuration software is often customized by different manufacturers to run on different operating systems according to their own products. Linux is the most used system in open source operating systems. It is very important to develop a configuration software that runs on Linux systems. [0003] By u...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F8/34G06F8/36
CPCG06F8/34G06F8/36
Inventor 严义郑蹬蹬邬惠峰陈佰平
Owner HANGZHOU DIANZI UNIV