opc fix

Modbus.Net/Modbus.Net.Opc/OpcDaProtocal.cs

@@ -0,0 +1,38 @@
+using System.Threading.Tasks;
+
+namespace Modbus.Net.Opc
+{
+    /// <summary>
+    ///     Opc Da协议
+    /// </summary>
+    public class OpcDaProtocol : OpcProtocol
+    {
+        private readonly string _host;
+
+        private readonly bool _isRegexOn;
+
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc DA服务地址</param>
+        /// <param name="isRegexOn">是否开启正则匹配</param>
+        public OpcDaProtocol(string host, bool isRegexOn)
+        {
+            _host = host;
+            _isRegexOn = isRegexOn;
+        }
+
+
+        /// <summary>
+        ///     连接设备
+        /// </summary>
+        /// <returns>是否连接成功</returns>
+        public override async Task<bool> ConnectAsync()
+        {
+            ProtocolLinker = new OpcDaProtocolLinker(_host, _isRegexOn);
+            if (!await ProtocolLinker.ConnectAsync())
+                return false;
+            return true;
+        }
+    }
+}