[FL-1696, FL-1685] IRDA: Add RC5, decoder refactoring (#663)

* [FL-1696] IRDA: Split decoders and protocols * IRDA: Restruct directories. * IRDA: fix long timings * [FL-1685] IRDA: Add RC5 Co-authored-by: あく <alleteam@gmail.com>
2021-08-20 23:51:15 +03:00
parent ecff31d228
commit e6d5f4038b
24 changed files with 677 additions and 242 deletions
--- a/lib/irda/encoder_decoder/common/irda_common_i.h
+++ b/lib/irda/encoder_decoder/common/irda_common_i.h
@@ -0,0 +1,90 @@
+#pragma once
+
+#include <stdint.h>
+#include "irda.h"
+#include "irda_i.h"
+
+
+#define MATCH_BIT_TIMING(x, v, delta)       (  ((x) < (v + delta)) \
+                                            && ((x) > (v - delta)))
+
+#define MATCH_PREAMBLE_TIMING(x, v, delta)  (  ((x) < ((v) * (1 + (delta)))) \
+                                            && ((x) > ((v) * (1 - (delta)))))
+
+typedef struct IrdaCommonDecoder IrdaCommonDecoder;
+typedef struct IrdaCommonEncoder IrdaCommonEncoder;
+
+typedef IrdaStatus (*IrdaCommonDecode)(IrdaCommonDecoder*);
+typedef bool (*IrdaCommonInterpret)(IrdaCommonDecoder*);
+typedef IrdaStatus (*IrdaCommonEncode)(IrdaCommonEncoder* encoder, uint32_t* out, bool* polarity);
+
+typedef struct {
+    IrdaTimings timings;
+    bool     manchester_start_from_space;
+    uint32_t databit_len;
+    IrdaCommonDecode decode;
+    IrdaCommonDecode decode_repeat;
+    IrdaCommonInterpret interpret;
+    IrdaCommonEncode encode;
+    IrdaCommonEncode encode_repeat;
+} IrdaCommonProtocolSpec;
+
+typedef enum {
+    IrdaCommonDecoderStateWaitPreamble,
+    IrdaCommonDecoderStateDecode,
+    IrdaCommonDecoderStateProcessRepeat,
+} IrdaCommonStateDecoder;
+
+typedef enum {
+    IrdaCommonEncoderStateSpace,
+    IrdaCommonEncoderStatePreamble,
+    IrdaCommonEncoderStateEncode,
+    IrdaCommonEncoderStateEncodeRepeat,
+} IrdaCommonStateEncoder;
+
+struct IrdaCommonDecoder {
+    const IrdaCommonProtocolSpec* protocol;
+    IrdaCommonStateDecoder state;
+    IrdaMessage message;
+    uint32_t timings[6];
+    uint8_t timings_cnt;
+    void* context;
+    bool switch_detect;
+    uint32_t level;
+    uint16_t databit_cnt;
+    uint8_t data[];
+};
+
+struct IrdaCommonEncoder {
+    const IrdaCommonProtocolSpec* protocol;
+    IrdaCommonStateEncoder state;
+    bool switch_detect;
+    uint32_t bits_encoded;
+    uint32_t timings_encoded;
+    void* context;
+    uint8_t data[];
+};
+
+
+static inline void shift_left_array(uint32_t *array, uint32_t len, uint32_t shift) {
+    for (int i = 0; i < len; ++i)
+        array[i] = array[i + shift];
+}
+
+
+IrdaMessage* irda_common_decode(IrdaCommonDecoder *decoder, bool level, uint32_t duration);
+IrdaStatus irda_common_decode_pdwm(IrdaCommonDecoder* decoder);
+IrdaStatus irda_common_decode_manchester(IrdaCommonDecoder* decoder);
+void irda_common_decoder_set_context(void* decoder, void* context);
+void* irda_common_decoder_alloc(const IrdaCommonProtocolSpec *protocol);
+void irda_common_decoder_free(void* decoder);
+void irda_common_decoder_reset(void* decoder);
+
+IrdaStatus irda_common_encode(IrdaCommonEncoder* encoder, uint32_t* duration, bool* polarity);
+IrdaStatus irda_common_encode_pdwm(IrdaCommonEncoder* encoder, uint32_t* duration, bool* polarity);
+IrdaStatus irda_common_encode_manchester(IrdaCommonEncoder* encoder, uint32_t* duration, bool* polarity);
+void irda_common_encoder_set_context(void* decoder, void* context);
+void* irda_common_encoder_alloc(const IrdaCommonProtocolSpec* protocol);
+void irda_common_encoder_free(IrdaCommonEncoder* encoder);
+void irda_common_encoder_reset(IrdaCommonEncoder* encoder);
+