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38 lines
2.0 KiB
C
38 lines
2.0 KiB
C
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#pragma once
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#include "../infrared_i.h"
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/***************************************************************************************************
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* Sony SIRC protocol description
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* https://www.sbprojects.net/knowledge/ir/sirc.php
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* http://picprojects.org.uk/
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****************************************************************************************************
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* Preamble Preamble Pulse Width Modulation Pause Entirely repeat
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* mark space up to period message..
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*
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* 2400 600 12/15/20 bits (600,1200) ...45000 2400 600
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* __________ _ _ _ _ _ _ _ _ _ _ _ _ _ __________ _ _
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* ____ __________ _ _ _ __ __ __ _ _ __ __ _ _ ____________________ __________ _
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* | command | address |
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* SIRC | 7b LSB | 5b LSB |
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* SIRC15 | 7b LSB | 8b LSB |
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* SIRC20 | 7b LSB | 13b LSB |
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*
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* No way to determine either next message is repeat or not,
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* so recognize only fact message received. Sony remotes always send at least 3 messages.
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* Assume 8 last extended bits for SIRC20 are address bits.
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***************************************************************************************************/
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void* infrared_decoder_sirc_alloc(void);
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void infrared_decoder_sirc_reset(void* decoder);
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InfraredMessage* infrared_decoder_sirc_check_ready(void* decoder);
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void infrared_decoder_sirc_free(void* decoder);
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InfraredMessage* infrared_decoder_sirc_decode(void* decoder, bool level, uint32_t duration);
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void* infrared_encoder_sirc_alloc(void);
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void infrared_encoder_sirc_reset(void* encoder_ptr, const InfraredMessage* message);
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void infrared_encoder_sirc_free(void* decoder);
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InfraredStatus infrared_encoder_sirc_encode(void* encoder_ptr, uint32_t* duration, bool* polarity);
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const InfraredProtocolVariant* infrared_protocol_sirc_get_variant(InfraredProtocol protocol);
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