A multifunctional remote control method and remote control device based on single-chip microcomputer

Abstract

The invention discloses a multifunctional remote control method based on a single-chip microcomputer. The method comprises an infrared encoding step and an infrared decoding step. According to the specific infrared encoding method, B1, specific frequency band infrared waves sent by a household appliance remote control unit are collected and then converted into digital time sequence codes; B2, the digital time sequence codes are subjected to mode analysis according to an infrared encoding protocol, and infrared codes obtained after mode analysis are stored in a formatted text mode. According to the specific infrared decoding step, J1, the infrared codes are decoded according to the infrared encoding protocol to generate digital time sequence codes of infrared waveforms; J2, a logical waveform sequence is output to remotely control a household appliance according to the digital time sequence codes. Meanwhile, the invention discloses a multifunctional remote control device based on the single-chip microcomputer. The codes are automatically compressed and coded through an algorithm, the low-performance single-chip microcomputer is used for decoding, carrier waves are sent, and the method and device can adapt to infrared control over existing mainstream household appliances.

Description

technical field [0001] The invention relates to a multifunctional remote control device, more specifically to a single-chip microcomputer-based multifunctional remote control device with LCD screen display, which belongs to the technical field of infrared control of home appliances. Background technique [0002] At present, the vast majority of traditional household appliances use infrared rays to control them. Most of the infrared carrier frequencies are in the 38KHz and 52KHz frequency bands. Level signal" and "no carrier level signal" and then represent logic 1 and logic 0, and D / A and A / D conversion are performed on the sender and receiver respectively. In the course of the development of the traditional home appliance industry, a set of infrared digital protocols composed of protocol code, system code, and data code has gradually been accumulated and formed. Home appliance manufacturers invent or use the existing standard infrared protocol codes combined with the panel...

AI Technical Summary

Problems solved by technology

Home appliance manufacturers invent or use the existing standard infrared protocol codes combined with the panel of their own remote control device to store a specific infrared carrier sequence code in the built-in storage of the remote control, and then send infrared signals to specific home appliances. However, the current infrared signal The algorithm for controlling the sequence code of the mid-infrared carrier is relatively large, the running speed is slow, and the requirements for the processor are relatively high, which largely limits its development

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