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System for improving real-time performance and reliability of infrared remote control in operating system

An infrared remote control and operating system technology, applied in signal transmission systems, non-electrical signal transmission systems, selective content distribution, etc., can solve the problems of poor real-time and reliability of infrared remote control, achieve reliable real-time processing and communication, and enhance reliability. performance and reliability

Inactive Publication Date: 2006-12-13
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an infrared remote control system applied to a non-real-time operating system, which solves the problem of poor real-time performance and reliability of infrared remote control on a non-real-time operating system

Method used

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  • System for improving real-time performance and reliability of infrared remote control in operating system
  • System for improving real-time performance and reliability of infrared remote control in operating system

Examples

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Embodiment Construction

[0015] The present invention will take the Linux operating system as an example, and other operating systems are applicable at the same time.

[0016] like figure 1 As shown, a system for improving the real-time performance and reliability of infrared remote control includes an infrared remote control receiving head U1, which receives and receives infrared remote control information, and demodulates the remote control baseband information code. The infrared remote control receiving head U1 includes an integrated infrared receiving head and current-limiting resistor R3; a non-real-time operating system motherboard module U3, which receives data signals, obtains control commands and responds to command operations, and the non-real-time operating system motherboard U3 has a serial interface; the non-real-time operating system motherboard module U3 is connected to an MCU module U2 through a serial interface, and this MCU module U2 is also connected with the infrared remote control...

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Abstract

The disclosed system comprises: an IR remote control receiving head to receive and demodulate information, a non-real-time OS mainboard module to receive data and obtain control command to respond operation, a MCU module connected the OS module to receive and process signal from former head to send to the OS module. This invention improves real-time feature and reliability.

Description

technical field [0001] The invention relates to a method for improving the real-time performance and reliability of infrared remote control on non-real-time operating systems applied to consumer electronics products (such as color TV sets, set-top boxes, handheld entertainment devices, and digital home media gateways, etc.), desktop systems, and industrial control systems. sexual system. Background technique: [0002] Operating systems have been widely used in consumer electronics at present, and the mainstream embedded operating systems include Linux, uClinux and WinCE. The inherent desktop system characteristics of such operating systems determine that they have the weakness of poor hardware real-time performance. The reason for this weakness is that the current non-real-time operating system adopts multi-threading and multi-task scheduling mechanism. That is to say, when the system is in a scheduling state with a higher priority, it cannot implement low-priority schedul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C23/04G06F9/46H04N21/43
Inventor 白骥郭敏强徐勇何彦黄黎明许雪松
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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