fix recieve event

RS232Test/Form1.cs

@@ -123,21 +123,30 @@ namespace RS232Test
                 return;
 
             serialStream = String.Concat(serialStream, data);
-            string packetString = pullPacketString();
+            List<string> packetStringList = pullPacketStringList();
+
+            foreach (string packetString in packetStringList)
+            {
                 Console.WriteLine();
                 EqTocPrint(packetString);
             }
+        }
 
-        private string pullPacketString()
+        private List<string> pullPacketStringList()
+        {
+            List<string> packetStringList = new List<string>();
+            while (true)
             {
                 int etxIndex = serialStream.IndexOf(SEPERATOR);
                 if (etxIndex < 0)
-                return null;
+                    break;
 
                 string packetString = serialStream.Substring(0, etxIndex);
+                packetStringList.Add(packetString);
                 serialStream = serialStream.Remove(0, etxIndex + SEPERATOR.Length);
+            }
 
-            return packetString;
+            return packetStringList;
         }
 
         private void EqTocPrint(string message)