260 lines
14 KiB
C
260 lines
14 KiB
C
#pragma once
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "irda.h"
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#include "common/irda_common_i.h"
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/***************************************************************************************************
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* NEC protocol description
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* https://radioparty.ru/manuals/encyclopedia/213-ircontrol?start=1
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****************************************************************************************************
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* Preamble Preamble Pulse Distance/Width Pause Preamble Preamble Stop
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* mark space Modulation up to period repeat repeat bit
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* mark space
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*
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* 9000 4500 32 bit + stop bit ...110000 9000 2250
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* __________ _ _ _ _ _ _ _ _ _ _ _ _ _ ___________ _
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* ____ __________ _ _ _ __ __ __ _ _ __ __ _ _ ________________ ____________ ___
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*
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***************************************************************************************************/
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#define IRDA_NEC_PREAMBLE_MARK 9000
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#define IRDA_NEC_PREAMBLE_SPACE 4500
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#define IRDA_NEC_BIT1_MARK 560
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#define IRDA_NEC_BIT1_SPACE 1690
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#define IRDA_NEC_BIT0_MARK 560
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#define IRDA_NEC_BIT0_SPACE 560
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#define IRDA_NEC_REPEAT_PERIOD 110000
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#define IRDA_NEC_SILENCE IRDA_NEC_REPEAT_PERIOD
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#define IRDA_NEC_MIN_SPLIT_TIME IRDA_NEC_REPEAT_PAUSE_MIN
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#define IRDA_NEC_REPEAT_PAUSE_MIN 4000
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#define IRDA_NEC_REPEAT_PAUSE_MAX 150000
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#define IRDA_NEC_REPEAT_MARK 9000
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#define IRDA_NEC_REPEAT_SPACE 2250
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#define IRDA_NEC_PREAMBLE_TOLERANCE 200 // us
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#define IRDA_NEC_BIT_TOLERANCE 120 // us
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void* irda_decoder_nec_alloc(void);
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void irda_decoder_nec_reset(void* decoder);
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void irda_decoder_nec_free(void* decoder);
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IrdaMessage* irda_decoder_nec_check_ready(void* decoder);
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IrdaMessage* irda_decoder_nec_decode(void* decoder, bool level, uint32_t duration);
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void* irda_encoder_nec_alloc(void);
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IrdaStatus irda_encoder_nec_encode(void* encoder_ptr, uint32_t* duration, bool* level);
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void irda_encoder_nec_reset(void* encoder_ptr, const IrdaMessage* message);
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void irda_encoder_nec_free(void* encoder_ptr);
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bool irda_decoder_nec_interpret(IrdaCommonDecoder* decoder);
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IrdaStatus irda_decoder_nec_decode_repeat(IrdaCommonDecoder* decoder);
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IrdaStatus irda_encoder_nec_encode_repeat(IrdaCommonEncoder* encoder, uint32_t* duration, bool* level);
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const IrdaProtocolSpecification* irda_nec_get_spec(IrdaProtocol protocol);
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extern const IrdaCommonProtocolSpec protocol_nec;
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/***************************************************************************************************
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* SAMSUNG32 protocol description
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* https://www.mikrocontroller.net/articles/IRMP_-_english#SAMSUNG
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****************************************************************************************************
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* Preamble Preamble Pulse Distance/Width Pause Preamble Preamble Bit1 Stop
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* mark space Modulation repeat repeat bit
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* mark space
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*
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* 4500 4500 32 bit + stop bit 40000/100000 4500 4500
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* __________ _ _ _ _ _ _ _ _ _ _ _ ___________ _ _
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* _ __________ __ _ __ __ __ _ _ __ __ _ ________________ ____________ ____ ___
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*
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***************************************************************************************************/
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#define IRDA_SAMSUNG_PREAMBLE_MARK 4500
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#define IRDA_SAMSUNG_PREAMBLE_SPACE 4500
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#define IRDA_SAMSUNG_BIT1_MARK 550
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#define IRDA_SAMSUNG_BIT1_SPACE 1650
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#define IRDA_SAMSUNG_BIT0_MARK 550
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#define IRDA_SAMSUNG_BIT0_SPACE 550
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#define IRDA_SAMSUNG_REPEAT_PAUSE_MIN 30000
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#define IRDA_SAMSUNG_REPEAT_PAUSE1 46000
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#define IRDA_SAMSUNG_REPEAT_PAUSE2 97000
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/* Samsung silence have to be greater than REPEAT MAX
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* otherwise there can be problems during unit tests parsing
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* of some data. Real tolerances we don't know, but in real life
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* silence time should be greater than max repeat time. This is
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* because of similar preambule timings for repeat and first messages. */
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#define IRDA_SAMSUNG_MIN_SPLIT_TIME 5000
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#define IRDA_SAMSUNG_SILENCE 145000
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#define IRDA_SAMSUNG_REPEAT_PAUSE_MAX 140000
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#define IRDA_SAMSUNG_REPEAT_MARK 4500
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#define IRDA_SAMSUNG_REPEAT_SPACE 4500
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#define IRDA_SAMSUNG_PREAMBLE_TOLERANCE 200 // us
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#define IRDA_SAMSUNG_BIT_TOLERANCE 120 // us
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void* irda_decoder_samsung32_alloc(void);
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void irda_decoder_samsung32_reset(void* decoder);
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void irda_decoder_samsung32_free(void* decoder);
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IrdaMessage* irda_decoder_samsung32_check_ready(void* ctx);
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IrdaMessage* irda_decoder_samsung32_decode(void* decoder, bool level, uint32_t duration);
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IrdaStatus irda_encoder_samsung32_encode(void* encoder_ptr, uint32_t* duration, bool* level);
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void irda_encoder_samsung32_reset(void* encoder_ptr, const IrdaMessage* message);
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void* irda_encoder_samsung32_alloc(void);
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void irda_encoder_samsung32_free(void* encoder_ptr);
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bool irda_decoder_samsung32_interpret(IrdaCommonDecoder* decoder);
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IrdaStatus irda_decoder_samsung32_decode_repeat(IrdaCommonDecoder* decoder);
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IrdaStatus irda_encoder_samsung32_encode_repeat(IrdaCommonEncoder* encoder, uint32_t* duration, bool* level);
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const IrdaProtocolSpecification* irda_samsung32_get_spec(IrdaProtocol protocol);
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extern const IrdaCommonProtocolSpec protocol_samsung32;
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/***************************************************************************************************
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* RC6 protocol description
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* https://www.mikrocontroller.net/articles/IRMP_-_english#RC6_.2B_RC6A
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****************************************************************************************************
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* Preamble Manchester/biphase Silence
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* mark/space Modulation
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*
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* 2666 889 444/888 - bit (x2 for toggle bit) 2666
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*
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* ________ __ __ __ __ ____ __ __ __ __ __ __ __ __
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* _ _________ ____ __ __ ____ __ __ __ __ __ __ __ __ _______________
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* | 1 | 0 | 0 | 0 | 0 | ... | ... | |
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* s m2 m1 m0 T address (MSB) command (MSB)
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*
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* s - start bit (always 1)
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* m0-2 - mode (000 for RC6)
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* T - toggle bit, twice longer
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* address - 8 bit
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* command - 8 bit
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***************************************************************************************************/
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#define IRDA_RC6_CARRIER_FREQUENCY 36000
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#define IRDA_RC6_DUTY_CYCLE 0.33
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#define IRDA_RC6_PREAMBLE_MARK 2666
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#define IRDA_RC6_PREAMBLE_SPACE 889
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#define IRDA_RC6_BIT 444 // half of time-quant for 1 bit
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#define IRDA_RC6_PREAMBLE_TOLERANCE 200 // us
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#define IRDA_RC6_BIT_TOLERANCE 120 // us
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/* protocol allows 2700 silence, but it is hard to send 1 message without repeat */
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#define IRDA_RC6_SILENCE (2700 * 10)
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#define IRDA_RC6_MIN_SPLIT_TIME 2700
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void* irda_decoder_rc6_alloc(void);
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void irda_decoder_rc6_reset(void* decoder);
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void irda_decoder_rc6_free(void* decoder);
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IrdaMessage* irda_decoder_rc6_check_ready(void* ctx);
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IrdaMessage* irda_decoder_rc6_decode(void* decoder, bool level, uint32_t duration);
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void* irda_encoder_rc6_alloc(void);
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void irda_encoder_rc6_reset(void* encoder_ptr, const IrdaMessage* message);
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void irda_encoder_rc6_free(void* decoder);
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IrdaStatus irda_encoder_rc6_encode(void* encoder_ptr, uint32_t* duration, bool* polarity);
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bool irda_decoder_rc6_interpret(IrdaCommonDecoder* decoder);
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IrdaStatus irda_decoder_rc6_decode_manchester(IrdaCommonDecoder* decoder, bool level, uint32_t timing);
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IrdaStatus irda_encoder_rc6_encode_manchester(IrdaCommonEncoder* encoder_ptr, uint32_t* duration, bool* polarity);
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const IrdaProtocolSpecification* irda_rc6_get_spec(IrdaProtocol protocol);
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extern const IrdaCommonProtocolSpec protocol_rc6;
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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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#define IRDA_RC5_CARRIER_FREQUENCY 36000
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#define IRDA_RC5_DUTY_CYCLE 0.33
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#define IRDA_RC5_PREAMBLE_MARK 0
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#define IRDA_RC5_PREAMBLE_SPACE 0
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#define IRDA_RC5_BIT 888 // half of time-quant for 1 bit
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#define IRDA_RC5_PREAMBLE_TOLERANCE 200 // us
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#define IRDA_RC5_BIT_TOLERANCE 120 // us
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/* protocol allows 2700 silence, but it is hard to send 1 message without repeat */
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#define IRDA_RC5_SILENCE (2700 * 10)
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#define IRDA_RC5_MIN_SPLIT_TIME 2700
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void* irda_decoder_rc5_alloc(void);
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void irda_decoder_rc5_reset(void* decoder);
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void irda_decoder_rc5_free(void* decoder);
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IrdaMessage* irda_decoder_rc5_check_ready(void* ctx);
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IrdaMessage* irda_decoder_rc5_decode(void* decoder, bool level, uint32_t duration);
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void* irda_encoder_rc5_alloc(void);
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void irda_encoder_rc5_reset(void* encoder_ptr, const IrdaMessage* message);
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void irda_encoder_rc5_free(void* decoder);
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IrdaStatus irda_encoder_rc5_encode(void* encoder_ptr, uint32_t* duration, bool* polarity);
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bool irda_decoder_rc5_interpret(IrdaCommonDecoder* decoder);
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const IrdaProtocolSpecification* irda_rc5_get_spec(IrdaProtocol protocol);
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extern const IrdaCommonProtocolSpec protocol_rc5;
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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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#define IRDA_SIRC_CARRIER_FREQUENCY 40000
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#define IRDA_SIRC_DUTY_CYCLE 0.33
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#define IRDA_SIRC_PREAMBLE_MARK 2400
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#define IRDA_SIRC_PREAMBLE_SPACE 600
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#define IRDA_SIRC_BIT1_MARK 1200
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#define IRDA_SIRC_BIT1_SPACE 600
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#define IRDA_SIRC_BIT0_MARK 600
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#define IRDA_SIRC_BIT0_SPACE 600
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#define IRDA_SIRC_PREAMBLE_TOLERANCE 200 // us
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#define IRDA_SIRC_BIT_TOLERANCE 120 // us
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#define IRDA_SIRC_SILENCE 10000
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#define IRDA_SIRC_MIN_SPLIT_TIME (IRDA_SIRC_SILENCE - 1000)
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#define IRDA_SIRC_REPEAT_PERIOD 45000
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void* irda_decoder_sirc_alloc(void);
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void irda_decoder_sirc_reset(void* decoder);
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IrdaMessage* irda_decoder_sirc_check_ready(void* decoder);
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uint32_t irda_decoder_sirc_get_timeout(void* decoder);
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void irda_decoder_sirc_free(void* decoder);
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IrdaMessage* irda_decoder_sirc_decode(void* decoder, bool level, uint32_t duration);
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void* irda_encoder_sirc_alloc(void);
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void irda_encoder_sirc_reset(void* encoder_ptr, const IrdaMessage* message);
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void irda_encoder_sirc_free(void* decoder);
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IrdaStatus irda_encoder_sirc_encode(void* encoder_ptr, uint32_t* duration, bool* polarity);
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bool irda_decoder_sirc_interpret(IrdaCommonDecoder* decoder);
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const IrdaProtocolSpecification* irda_sirc_get_spec(IrdaProtocol protocol);
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IrdaStatus irda_encoder_sirc_encode_repeat(IrdaCommonEncoder* encoder, uint32_t* duration, bool* level);
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extern const IrdaCommonProtocolSpec protocol_sirc;
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