Implemented RX on Node

i2c-hub/firmware/i2c-hub-firmware/src/gobotrpc/include/util/protocol.hpp

@@ -0,0 +1,33 @@
+#pragma once
+#include <stdint.h>
+#include <strings.h>
+
+enum GobotRPCNumber {
+    VACUM = 0x8
+};
+
+enum GobotRPCTypes {
+    REQUEST  = 0b00,
+    RESPONSE = 0b01,
+    ERROR    = 0b10
+};
+
+struct GobotRPCPackage_Req_Vacum {
+    uint8_t enable : 8;
+};
+
+#define GobotRPC_Package_DATA_OFFSET 2
+#define CALC_SIZE_GobotRPC_PACKAGE(data_len) (data_len + GobotRPC_Package_DATA_OFFSET + 2)
+
+struct GobotRPCHeaderInfo {
+public:
+    GobotRPCNumber number;
+    GobotRPCTypes type;
+    size_t len;
+};
+
+void assembleGobotRPCHeader(char * buffer, GobotRPCNumber number, GobotRPCTypes data_size, size_t);
+void assembleCRC(char * buffer, size_t data_len);
+bool checkCRC(char * buffer, size_t data_len);
+
+GobotRPCHeaderInfo extractGobotRPCHeader(char * buffer);