update panasonic driver

SCADA/Program/PanasonicDriver/PanasonicSerialReader.cs

@@ -5,7 +5,6 @@ using System.ComponentModel;
 using System.Globalization;
 using System.IO;
 using System.IO.Ports;
-using System.Net;
 using System.Text;
 
 namespace PanasonicPLCriver
@@ -43,7 +42,7 @@ namespace PanasonicPLCriver
             _server = server;
             _id = id;
             //spare1 = {COM3,9600,Odd,8,One}
-            _serialPort = new SerialPort("COM2",57600,Parity.Odd,8,StopBits.One);
+            _serialPort = new SerialPort("COM2", 57600, Parity.Odd, 8, StopBits.One);
             _devId = byte.Parse(spare2);
         }
         public bool IsClosed
@@ -330,7 +329,7 @@ namespace PanasonicPLCriver
             {
                 if (!isBool(startAddress.Area))//读寄存器的情况 
                 {
-                     cmd = CreateRDCmd(startAddress.Start,size,out respBeginStr);
+                    cmd = CreateRDCmd(startAddress.Start, size, out respBeginStr);
                 }
                 else //读触点的情况
                 {
@@ -340,7 +339,8 @@ namespace PanasonicPLCriver
             }
             catch (Exception e)
             {
-                OnClose?.Invoke(this, new ShutdownRequestEventArgs(e.Message));
+                if (OnClose != null)
+                    OnClose(this, new ShutdownRequestEventArgs(e.Message));
                 return null;
             }
         }
@@ -359,14 +359,16 @@ namespace PanasonicPLCriver
                 }
                 catch (Exception)
                 {
-                    OnClose?.Invoke(this, new ShutdownRequestEventArgs("读取超时"));
+                    if (OnClose != null)
+                        OnClose(this, new ShutdownRequestEventArgs("读取超时"));
                     return null;
                 }
             }
             if (recv.Substring(3, 1) == "!")//返回为错误代码
             {
                 string err = recv.Substring(4, 2);
-                OnClose?.Invoke(this, new ShutdownRequestEventArgs(daveStrerror(err)));
+                if (OnClose != null)
+                    OnClose(this, new ShutdownRequestEventArgs(daveStrerror(err)));
                 return null;
             }
             string needXorStr = recv.Substring(0, recv.Length - 2);//需要进行xor校验的字符串
@@ -374,7 +376,8 @@ namespace PanasonicPLCriver
             string checkStr = Utility.XorCheck(needXorStr);
             if (checkStr != recvCheck)
             {
-                OnClose?.Invoke(this, new ShutdownRequestEventArgs("校验失败"));
+                if (OnClose != null)
+                    OnClose(this, new ShutdownRequestEventArgs("校验失败"));
                 return null;
             }
             else
@@ -391,7 +394,7 @@ namespace PanasonicPLCriver
         {
             switch (code)
             {
-                case "20":return "未定义";
+                case "20": return "未定义";
                 case "21": return "远程单元无法被正确识别，或者发生了数据错误.";
                 case "22": return "用于远程单元的接收缓冲区已满.";
                 case "23": return "远程单元编号(01 至16)设置与本地单元重复.";
@@ -476,7 +479,7 @@ namespace PanasonicPLCriver
         public int WriteBit(DeviceAddress address, bool bit)
         {
             string respBeginStr = string.Empty;
-          string cmd =  CreateWCSCmd(address.Start,address.Bit,address.Area,bit,out respBeginStr);
+            string cmd = CreateWCSCmd(address.Start, address.Bit, address.Area, bit, out respBeginStr);
             WriteSyncData(respBeginStr, cmd);
             return 0;
         }
@@ -499,7 +502,7 @@ namespace PanasonicPLCriver
         public int WriteInt16(DeviceAddress address, short value)
         {
             string respBeginStr = string.Empty;
-            string cmd = CreateWDCmd(address.Start, new short[1] {value}, out respBeginStr);
+            string cmd = CreateWDCmd(address.Start, new short[1] { value }, out respBeginStr);
             WriteSyncData(respBeginStr, cmd);
             return 0;
         }