Current stage of the communication

The current version of the communication

Arduino/RPi-Communication/PBUtils.h

@@ -0,0 +1,43 @@
+/*=============================================================================================================================
+Author: lefake
+Date: April 2020
+Description: Header file of the nanopb communication protocol 
+             Encode and decode protobuf messages with an id on the serial port
+             The messages are of the form : <id|msg;id|msg;> (can have from one to MAX_NBS_MSG messages)
+==============================================================================================================================*/
+#ifndef PBUTILS_H
+#define PBUTILS_H
+
+#include <Arduino.h>
+#include <pb_common.h>
+#include <pb.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+
+#define MAX_MSG_LEN                         1000
+#define MAX_NBS_MSG                         10
+
+struct Topic {
+  int id;
+  pb_msgdesc_t* type;
+  void* msg;
+};
+
+class PBUtils
+{
+  public:
+    PBUtils(Topic*, int);
+    ~PBUtils();
+    bool decode_pb(char* , int *, int &);
+    bool pb_send(int, ...);
+
+  private:
+    int parse_msg(char[], int *, char **);
+    void chars2bytes(char* , uint8_t*);
+    uint8_t char2hex(char, char);
+    
+    pb_msgdesc_t** _id_2_type;
+    void** _id_2_msg;
+};
+
+#endif