[FL-2279] IR doxygen, rename irda -> infrared (#1010)

* IR: Doxygen docs, some rename
* Rename irda -> infrared
* Rollback collateral renames

Co-authored-by: あく <alleteam@gmail.com>

lib/infrared/encoder_decoder/infrared_i.h

@@ -0,0 +1,46 @@
+#pragma once
+#include "infrared.h"
+#include <stddef.h>
+#include <stdint.h>
+
+typedef struct {
+    uint32_t min_split_time;
+    uint32_t silence_time;
+    uint16_t preamble_mark;
+    uint16_t preamble_space;
+    uint16_t bit1_mark;
+    uint16_t bit1_space;
+    uint16_t bit0_mark;
+    uint16_t bit0_space;
+    uint32_t preamble_tolerance;
+    uint32_t bit_tolerance;
+} InfraredTimings;
+
+typedef struct {
+    const char* name;
+    uint8_t address_length;
+    uint8_t command_length;
+    uint32_t frequency;
+    float duty_cycle;
+} InfraredProtocolSpecification;
+
+typedef const InfraredProtocolSpecification* (*InfraredGetProtocolSpec)(InfraredProtocol protocol);
+
+typedef void* (*InfraredAlloc)(void);
+typedef void (*InfraredFree)(void*);
+
+typedef void (*InfraredDecoderReset)(void*);
+typedef InfraredMessage* (*InfraredDecode)(void* ctx, bool level, uint32_t duration);
+typedef InfraredMessage* (*InfraredDecoderCheckReady)(void*);
+
+typedef void (*InfraredEncoderReset)(void* encoder, const InfraredMessage* message);
+typedef InfraredStatus (*InfraredEncode)(void* encoder, uint32_t* out, bool* polarity);
+
+static inline uint8_t reverse(uint8_t value) {
+    uint8_t reverse_value = 0;
+    for(int i = 0; i < 8; ++i) {
+        reverse_value |= (value & (0x01 << i)) ? 1 << (7 - i) : 0;
+    }
+
+    return reverse_value;
+}