4f233ff0a3
* WIP: IRDA: multilen protocol refactoring, NEC42 * IRDA: Refactoring encoder/decoder Co-authored-by: あく <alleteam@gmail.com>
84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
#pragma once
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#include <stdint.h>
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#include "irda.h"
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#include "irda_i.h"
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#define MATCH_TIMING(x, v, delta) ( ((x) < (v + delta)) \
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&& ((x) > (v - delta)))
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typedef struct IrdaCommonDecoder IrdaCommonDecoder;
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typedef struct IrdaCommonEncoder IrdaCommonEncoder;
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typedef IrdaStatus (*IrdaCommonDecode)(IrdaCommonDecoder*, bool, uint32_t);
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typedef IrdaStatus (*IrdaCommonDecodeRepeat)(IrdaCommonDecoder*);
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typedef bool (*IrdaCommonInterpret)(IrdaCommonDecoder*);
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typedef IrdaStatus (*IrdaCommonEncode)(IrdaCommonEncoder* encoder, uint32_t* out, bool* polarity);
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typedef struct {
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IrdaTimings timings;
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bool manchester_start_from_space;
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bool no_stop_bit;
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uint8_t databit_len[4];
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IrdaCommonDecode decode;
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IrdaCommonDecodeRepeat decode_repeat;
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IrdaCommonInterpret interpret;
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IrdaCommonEncode encode;
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IrdaCommonEncode encode_repeat;
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} IrdaCommonProtocolSpec;
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typedef enum {
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IrdaCommonDecoderStateWaitPreamble,
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IrdaCommonDecoderStateDecode,
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IrdaCommonDecoderStateProcessRepeat,
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} IrdaCommonStateDecoder;
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typedef enum {
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IrdaCommonEncoderStateSilence,
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IrdaCommonEncoderStatePreamble,
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IrdaCommonEncoderStateEncode,
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IrdaCommonEncoderStateEncodeRepeat,
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} IrdaCommonStateEncoder;
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struct IrdaCommonDecoder {
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const IrdaCommonProtocolSpec* protocol;
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void* context;
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uint32_t timings[6];
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IrdaMessage message;
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IrdaCommonStateDecoder state;
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uint8_t timings_cnt;
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bool switch_detect;
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bool level;
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uint16_t databit_cnt;
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uint8_t data[];
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};
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struct IrdaCommonEncoder {
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const IrdaCommonProtocolSpec* protocol;
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IrdaCommonStateEncoder state;
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bool switch_detect;
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uint8_t bits_to_encode;
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uint8_t bits_encoded;
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uint32_t timings_sum;
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uint32_t timings_encoded;
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void* context;
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uint8_t data[];
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};
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IrdaMessage* irda_common_decode(IrdaCommonDecoder *decoder, bool level, uint32_t duration);
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IrdaStatus irda_common_decode_pdwm(IrdaCommonDecoder* decoder, bool level, uint32_t timing);
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IrdaStatus irda_common_decode_manchester(IrdaCommonDecoder* decoder, bool level, uint32_t timing);
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void* irda_common_decoder_alloc(const IrdaCommonProtocolSpec *protocol);
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void irda_common_decoder_free(IrdaCommonDecoder* decoder);
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void irda_common_decoder_reset(IrdaCommonDecoder* decoder);
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IrdaMessage* irda_common_decoder_check_ready(IrdaCommonDecoder* decoder);
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IrdaStatus irda_common_encode(IrdaCommonEncoder* encoder, uint32_t* duration, bool* polarity);
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IrdaStatus irda_common_encode_pdwm(IrdaCommonEncoder* encoder, uint32_t* duration, bool* polarity);
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IrdaStatus irda_common_encode_manchester(IrdaCommonEncoder* encoder, uint32_t* duration, bool* polarity);
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void* irda_common_encoder_alloc(const IrdaCommonProtocolSpec* protocol);
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void irda_common_encoder_free(IrdaCommonEncoder* encoder);
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void irda_common_encoder_reset(IrdaCommonEncoder* encoder);
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