add jtag get id code api

server/src/WebProtocol.cs

@@ -49,19 +49,43 @@ namespace WebProtocol
         /// <example> 0x10_00_00_00 </example>
         public UInt32 address;
 
+        /// <summary>
+        /// Convert to Json String
+        /// </summary>
+        /// <returns> Json String </returns>
         public override string ToString()
         {
             return JsonConvert.SerializeObject(this);
         }
     }
 
+    /// <summary> Package Options which to receive from boards </summary>
     public struct RecvPackOptions
     {
+        /// <summary>
+        /// Task ID
+        /// </summary>
         public byte commandID;
+        /// <summary>
+        /// Whether is succeed to finish command
+        /// </summary>
         public bool isSuccess;
-        public byte[] data;
+        /// <summary>
+        /// Return Data
+        /// </summary>
+        public byte[]? data;
+
+        /// <summary>
+        /// Convert to Json String
+        /// </summary>
+        /// <returns> Json String </returns>
+        public override string ToString()
+        {
+            return JsonConvert.SerializeObject(this);
+        }
     }
 
+    /// <summary> Package which send address to write </summary>
     public struct SendAddrPackage
     {
         readonly byte sign = (byte)PackSign.SendAddr;
@@ -227,6 +251,7 @@ namespace WebProtocol
             RecvPackOptions opts;
             opts.commandID = commandID;
             opts.isSuccess = Convert.ToBoolean((resp >> 1) == 0b01 ? true : false);
+            opts.data = null;
 
             return opts;
         }