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strawmanbobi
2026-02-02 11:15:50 +08:00

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This project contains IRext core encode algorithm and decode algorithm.
### Summary
### Overview
IR code is base on 38000Hz or 56000Hz carrier waves, it is identified by the time interval of carrier waves.
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- Command code: The receiver receives IR code as commands from emitter, and then adjusts status of itself, eg. control code of TV, DVD.
- Status code: The receiver receives IR code as status, and applies itself to this status, eg. control code of air conditioner.
### Encoder
### The IR Encoder
The encoder composes compressed remote control IR binaries from plain text in XML format. Different kind of remote control code are differently composed.
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Status code is defined by various kinds of tags, indication each essential part in one status control frame. It is especially used for air conditioners.
### Decoder
### The IR Decoder
The decoder decodes IR remote control binaries into IR control frame which is composed by time series illustrated above.