初始化上传

常用工具集/Utility/Network/S7netplus/Protocol/ConnectionRequest.cs

@@ -0,0 +1,28 @@
+namespace S7.Net.Protocol
+{
+    internal static class ConnectionRequest
+    {
+        public static byte[] GetCOTPConnectionRequest(TsapPair tsapPair)
+        {
+            byte[] bSend1 = {
+                    3, 0, 0, 22, //TPKT
+                    17,     //COTP Header Length
+                    224,    //Connect Request
+                    0, 0,   //Destination Reference
+                    0, 46,  //Source Reference
+                    0,      //Flags
+                    193,    //Parameter Code (src-tasp)
+                    2,      //Parameter Length
+                    tsapPair.Local.FirstByte, tsapPair.Local.SecondByte,   //Source TASP
+                    194,    //Parameter Code (dst-tasp)
+                    2,      //Parameter Length
+                    tsapPair.Remote.FirstByte, tsapPair.Remote.SecondByte,   //Destination TASP
+                    192,    //Parameter Code (tpdu-size)
+                    1,      //Parameter Length
+                    10      //TPDU Size (2^10 = 1024)
+                };
+
+            return bSend1;
+        }
+    }
+}