39 lines
1.8 KiB
C
39 lines
1.8 KiB
C
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#pragma once
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#include "../infrared_i.h"
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/***************************************************************************************************
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* RC5 protocol description
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* https://www.mikrocontroller.net/articles/IRMP_-_english#RC5_.2B_RC5X
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****************************************************************************************************
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* Manchester/biphase
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* Modulation
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*
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* 888/1776 - bit (x2 for toggle bit)
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*
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* __ ____ __ __ __ __ __ __ __ __
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* __ __ ____ __ __ __ __ __ __ __ _
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* | 1 | 1 | 0 | ... | ... |
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* s si T address (MSB) command (MSB)
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*
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* Note: manchester starts from space timing, so it have to be handled properly
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* s - start bit (always 1)
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* si - RC5: start bit (always 1), RC5X - 7-th bit of address (in our case always 0)
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* T - toggle bit, change it's value every button press
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* address - 5 bit
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* command - 6/7 bit
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***************************************************************************************************/
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void* infrared_decoder_rc5_alloc(void);
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void infrared_decoder_rc5_reset(void* decoder);
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void infrared_decoder_rc5_free(void* decoder);
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InfraredMessage* infrared_decoder_rc5_check_ready(void* ctx);
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InfraredMessage* infrared_decoder_rc5_decode(void* decoder, bool level, uint32_t duration);
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void* infrared_encoder_rc5_alloc(void);
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void infrared_encoder_rc5_reset(void* encoder_ptr, const InfraredMessage* message);
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void infrared_encoder_rc5_free(void* decoder);
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InfraredStatus infrared_encoder_rc5_encode(void* encoder_ptr, uint32_t* duration, bool* polarity);
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const InfraredProtocolVariant* infrared_protocol_rc5_get_variant(InfraredProtocol protocol);
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