[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>

lib/irda/encoder_decoder/rc5/irda_encoder_rc5.c

@@ -0,0 +1,55 @@
+#include "furi/memmgr.h"
+#include "irda.h"
+#include "common/irda_common_i.h"
+#include "irda_protocol_defs_i.h"
+#include <stdint.h>
+#include "../irda_i.h"
+
+typedef struct IrdaEncoderRC5 {
+    IrdaCommonEncoder* common_encoder;
+    bool toggle_bit;
+} IrdaEncoderRC5;
+
+void irda_encoder_rc5_reset(void* encoder_ptr, const IrdaMessage* message) {
+    furi_assert(encoder_ptr);
+
+    IrdaEncoderRC5* encoder = encoder_ptr;
+    IrdaCommonEncoder* common_encoder = encoder->common_encoder;
+    irda_common_encoder_reset(common_encoder);
+
+    uint32_t* data = (void*) common_encoder->data;
+    /* RC5 */
+    *data |= 0x01;    // start bit
+    if (message->protocol == IrdaProtocolRC5) {
+        *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];
+
+    encoder->toggle_bit ^= 1;
+}
+
+IrdaStatus irda_encoder_rc5_encode(void* encoder_ptr, uint32_t* duration, bool* level) {
+    IrdaEncoderRC5* encoder = encoder_ptr;
+    return irda_common_encode(encoder->common_encoder, duration, level);
+}
+
+void* irda_encoder_rc5_alloc(void) {
+    IrdaEncoderRC5* encoder = furi_alloc(sizeof(IrdaEncoderRC5));
+    encoder->common_encoder = irda_common_encoder_alloc(&protocol_rc5);
+    encoder->toggle_bit = false;
+    return encoder;
+}
+
+void irda_encoder_rc5_free(void* encoder_ptr) {
+    furi_assert(encoder_ptr);
+
+    IrdaEncoderRC5* encoder = encoder_ptr;
+    free(encoder->common_encoder);
+    free(encoder);
+}
+