[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/rc5/infrared_decoder_rc5.c

@@ -0,0 +1,82 @@
+#include "infrared.h"
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <furi.h>
+#include "../infrared_i.h"
+#include "../infrared_protocol_defs_i.h"
+
+typedef struct {
+    InfraredCommonDecoder* common_decoder;
+    bool toggle;
+} InfraredRc5Decoder;
+
+InfraredMessage* infrared_decoder_rc5_check_ready(void* ctx) {
+    InfraredRc5Decoder* decoder = ctx;
+    return infrared_common_decoder_check_ready(decoder->common_decoder);
+}
+
+bool infrared_decoder_rc5_interpret(InfraredCommonDecoder* decoder) {
+    furi_assert(decoder);
+
+    bool result = false;
+    uint32_t* data = (void*)&decoder->data[0];
+    /* Manchester (inverse):
+     *      0->1 : 1
+     *      1->0 : 0
+     */
+    decoder->data[0] = ~decoder->data[0];
+    decoder->data[1] = ~decoder->data[1];
+
+    // MSB first
+    uint8_t address = reverse((uint8_t)decoder->data[0]) & 0x1F;
+    uint8_t command = (reverse((uint8_t)decoder->data[1]) >> 2) & 0x3F;
+    bool start_bit1 = *data & 0x01;
+    bool start_bit2 = *data & 0x02;
+    bool toggle = !!(*data & 0x04);
+
+    if(start_bit1 == 1) {
+        InfraredProtocol protocol = start_bit2 ? InfraredProtocolRC5 : InfraredProtocolRC5X;
+        InfraredMessage* message = &decoder->message;
+        InfraredRc5Decoder* rc5_decoder = decoder->context;
+        bool* prev_toggle = &rc5_decoder->toggle;
+        if((message->address == address) && (message->command == command) &&
+           (message->protocol == protocol)) {
+            message->repeat = (toggle == *prev_toggle);
+        } else {
+            message->repeat = false;
+        }
+        *prev_toggle = toggle;
+        message->command = command;
+        message->address = address;
+        message->protocol = protocol;
+
+        result = true;
+    }
+
+    return result;
+}
+
+void* infrared_decoder_rc5_alloc(void) {
+    InfraredRc5Decoder* decoder = malloc(sizeof(InfraredRc5Decoder));
+    decoder->toggle = false;
+    decoder->common_decoder = infrared_common_decoder_alloc(&protocol_rc5);
+    decoder->common_decoder->context = decoder;
+    return decoder;
+}
+
+InfraredMessage* infrared_decoder_rc5_decode(void* decoder, bool level, uint32_t duration) {
+    InfraredRc5Decoder* decoder_rc5 = decoder;
+    return infrared_common_decode(decoder_rc5->common_decoder, level, duration);
+}
+
+void infrared_decoder_rc5_free(void* decoder) {
+    InfraredRc5Decoder* decoder_rc5 = decoder;
+    infrared_common_decoder_free(decoder_rc5->common_decoder);
+    free(decoder_rc5);
+}
+
+void infrared_decoder_rc5_reset(void* decoder) {
+    InfraredRc5Decoder* decoder_rc5 = decoder;
+    infrared_common_decoder_reset(decoder_rc5->common_decoder);
+}

lib/infrared/encoder_decoder/rc5/infrared_encoder_rc5.c

@@ -0,0 +1,55 @@
+#include "furi/memmgr.h"
+#include "infrared.h"
+#include "common/infrared_common_i.h"
+#include "infrared_protocol_defs_i.h"
+#include <stdint.h>
+#include "../infrared_i.h"
+
+typedef struct InfraredEncoderRC5 {
+    InfraredCommonEncoder* common_encoder;
+    bool toggle_bit;
+} InfraredEncoderRC5;
+
+void infrared_encoder_rc5_reset(void* encoder_ptr, const InfraredMessage* message) {
+    furi_assert(encoder_ptr);
+
+    InfraredEncoderRC5* encoder = encoder_ptr;
+    InfraredCommonEncoder* common_encoder = encoder->common_encoder;
+    infrared_common_encoder_reset(common_encoder);
+
+    uint32_t* data = (void*)common_encoder->data;
+    /* RC5 */
+    *data |= 0x01; // start bit
+    if(message->protocol == InfraredProtocolRC5) {
+        *data |= 0x02; // start bit
+    }
+    *data |= encoder->toggle_bit ? 0x04 : 0;
+    *data |= (reverse(message->address) >> 3) << 3; /* address 5 bit */
+    *data |= (reverse(message->command) >> 2) << 8; /* command 6 bit */
+
+    common_encoder->data[0] = ~common_encoder->data[0];
+    common_encoder->data[1] = ~common_encoder->data[1];
+
+    common_encoder->bits_to_encode = common_encoder->protocol->databit_len[0];
+    encoder->toggle_bit ^= 1;
+}
+
+InfraredStatus infrared_encoder_rc5_encode(void* encoder_ptr, uint32_t* duration, bool* level) {
+    InfraredEncoderRC5* encoder = encoder_ptr;
+    return infrared_common_encode(encoder->common_encoder, duration, level);
+}
+
+void* infrared_encoder_rc5_alloc(void) {
+    InfraredEncoderRC5* encoder = malloc(sizeof(InfraredEncoderRC5));
+    encoder->common_encoder = infrared_common_encoder_alloc(&protocol_rc5);
+    encoder->toggle_bit = false;
+    return encoder;
+}
+
+void infrared_encoder_rc5_free(void* encoder_ptr) {
+    furi_assert(encoder_ptr);
+
+    InfraredEncoderRC5* encoder = encoder_ptr;
+    free(encoder->common_encoder);
+    free(encoder);
+}

lib/infrared/encoder_decoder/rc5/infrared_rc5_spec.c

@@ -0,0 +1,27 @@
+#include "../infrared_i.h"
+#include "infrared_protocol_defs_i.h"
+
+static const InfraredProtocolSpecification infrared_rc5_protocol_specification = {
+    .name = "RC5",
+    .address_length = 5,
+    .command_length = 6,
+    .frequency = INFRARED_RC5_CARRIER_FREQUENCY,
+    .duty_cycle = INFRARED_RC5_DUTY_CYCLE,
+};
+
+static const InfraredProtocolSpecification infrared_rc5x_protocol_specification = {
+    .name = "RC5X",
+    .address_length = 5,
+    .command_length = 7,
+    .frequency = INFRARED_RC5_CARRIER_FREQUENCY,
+    .duty_cycle = INFRARED_RC5_DUTY_CYCLE,
+};
+
+const InfraredProtocolSpecification* infrared_rc5_get_spec(InfraredProtocol protocol) {
+    if(protocol == InfraredProtocolRC5)
+        return &infrared_rc5_protocol_specification;
+    else if(protocol == InfraredProtocolRC5X)
+        return &infrared_rc5x_protocol_specification;
+    else
+        return NULL;
+}