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Shell design method of embedded system

An embedded system and design method technology, applied in the field of switches, can solve the problems of incompatibility of pty drivers, no value in functions, inconvenience in use, etc.

Inactive Publication Date: 2015-04-01
PHICOMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, serial devices have been gradually marginalized, and devices such as usb are more common, so it will cause inconvenience in use
Secondly, due to historical reasons, the pty driver is very complicated, many functions have no value, and the pty drivers of each system are not compatible

Method used

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  • Shell design method of embedded system
  • Shell design method of embedded system
  • Shell design method of embedded system

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Embodiment Construction

[0019] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments It is only a part of the embodiments of the present invention, but not all of them.

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] refer to figure 1 , a kind of shell design method of embedded system provided by the present invention, comprises:

[0022] Write the interface driver pty in the system kernel;

[0023] Interface monitoring, temporarily caches the data input by the user through the interface, and sends it to the shell driver in the kernel after the user confirms;

[0024] The shell driver in the kernel provides da...

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Abstract

The invention discloses a shell design method of an embedded system. The shell design method comprises the following steps of writing an interface driver into a kernel of a system; temporarily caching the data input by a user through an interface by using an interface monitor, and transmitting the data to a shell driver in the kernel after the user makes an acknowledgment; providing data interaction for a shell by using the shell driver in the kernel. After the adoption of the technical scheme of the invention, the interface monitor is added to an original scheme, so that the problem of miss input of the user is solved. Moreover, a serial driver is removed and is replaced by a more advanced interface driver, so that the serial driver is discarded; the problems that the serial driver is very complicated, a large number of functions do not have an existence value, and serial drivers of all systems are incompatible are solved. The shell driver is designed into an equipment-independent shell driver, so that the shell can be independent of a device.

Description

technical field [0001] The invention relates to the technical field of switches, in particular to a shell design method for an embedded system. Background technique [0002] Linux is a set of Unix-like operating systems that are free to use and spread freely. It is a POSIX and UNIX-based multi-user, multi-tasking, multi-threading and multi-CPU operating system. It can run major UNIX utility software, application programs and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix's network-centric design idea and is a multi-user network operating system with stable performance. [0003] The Linux operating system was born on October 5, 1991 (this is the first time it was officially announced to the outside world). Linux There are many different Linux distributions, but they all use the Linux kernel. Linux can be installed on a variety of computer hardware devices such as cell phones, tablets, routers, video game consoles, desktop computers, mainfra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44
Inventor 李小庆
Owner PHICOMM (SHANGHAI) CO LTD
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