add ryfi decoder module

decoder_modules/ryfi_decoder/src/ryfi/frame.cpp

@@ -0,0 +1,37 @@
+#include "frame.h"
+
+namespace ryfi {
+    int Frame::serialize(uint8_t* bytes) const {
+        // Write the counter
+        bytes[0] = (counter >> 8) & 0xFF;
+        bytes[1] = counter & 0xFF;
+
+        // Write the first packet pointer
+        bytes[2] = (firstPacket >> 8) & 0xFF;
+        bytes[3] = firstPacket & 0xFF;
+
+        // Write the last packet pointer
+        bytes[4] = (lastPacket >> 8) & 0xFF;
+        bytes[5] = lastPacket & 0xFF;
+
+        // Write the data
+        memcpy(&bytes[6], content, FRAME_DATA_SIZE);
+
+        // Return the length of a serialized frame
+        return FRAME_SIZE;
+    }
+
+    void Frame::deserialize(const uint8_t* bytes, Frame& frame) {
+        // Read the counter
+        frame.counter = (((uint16_t)bytes[0]) << 8) | ((uint16_t)bytes[1]);
+
+        // Read the first packet pointer
+        frame.firstPacket = (((uint16_t)bytes[2]) << 8) | ((uint16_t)bytes[3]);
+
+        // Read the last packet pointer
+        frame.lastPacket = (((uint16_t)bytes[4]) << 8) | ((uint16_t)bytes[5]);
+
+        // Read the data
+        memcpy(frame.content, &bytes[6], FRAME_DATA_SIZE);
+    }
+}