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C# RFID windows 服务 网络协议方式
上篇话说是串口方式操作RFID设备。 下面介绍网络协议方式。 设备支持断线重连。 那我们的服务也不能差了不是。 所以这个服务类也是支持的哦。
不解释上代码:
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 | namespace Rfid { /// <summary> /// 获取Vip数据 /// </summary> /// <param name="vip"></param> public delegate void GetVipEventHandle( object obj, MarkArgs vip); /// <summary> /// 识别标签 /// </summary> /// <param name="idMark"></param> public delegate void IdentificationMarksEventHandle( object obj, MarkArgs idMark); /// <summary> /// 写标签 /// </summary> public delegate void WriteMarksEventHandle( object obj, MarkArgs writeMark); public class RfidSocket { public event GetVipEventHandle GetVip; public event IdentificationMarksEventHandle IdentificationMarks; public event WriteMarksEventHandle WriteMarks; /// <summary> /// 识别标签协议 /// </summary> public readonly byte [] MReadMarks = new byte [5] { 0xA0, 0x03, 0x82, 0x00, 0xDB }; /// <summary> /// 接受失败协议 /// </summary> public readonly byte [] MErrorHeader = new byte [3] { 0xE4, 0x04, 0x82 }; /// <summary> /// 接受成功协议 /// </summary> public readonly byte [] MSucessHeader = new byte [3] { 0xE0, 0x10, 0x82 }; /// <summary> /// Vip数据长度 /// </summary> public const int MDataLength = 12; /// <summary> /// 发送读取协议证 /// </summary> public System.Windows.Forms.Timer MTimer = new System.Windows.Forms.Timer(); /// <summary> /// 链接状态 /// </summary> public bool Connected = false ; /// <summary> /// Vip编号 /// </summary> public string VipId = string .Empty; /// <summary> /// 全局锁 /// </summary> public object MLock = new object (); /// <summary> /// Socket通讯 /// </summary> public SocketClient Client = new SocketClient(); /// <summary> /// 连接错误次数 /// </summary> public int MConnectErrorCount = 0; public string Ip { get ; set ; } public int Port { get ; set ; } public int ErrorCount { get ; set ; } public RfidSocket( string ip, int port, int errorCount) { this .Ip = ip; this .Port = port; this .ErrorCount = errorCount; } void client_OnDisconnected( object sender) { Client.mOnConnected -= client_mOnConnected; Client.mOnError -= client_mOnError; Client.OnDataIn -= client_OnDataIn; Client.OnDisconnected -= client_OnDisconnected; } void client_OnDataIn( object sender, byte [] data) { try { GC.Collect(); GC.WaitForFullGCComplete(); GC.Collect(); //当前不考虑数据协议失败情况 Monitor.Enter(MLock); //判断消息头 if (data.Length > 3) { IdentificationTag(data); WriteTag(data); } ReaderTag(data); } finally { Monitor.Exit(MLock); } } /// 识别标签协 private void IdentificationTag( byte [] data) { //识别标签协议成功 if (data[0] == 0xE0 && data[1] == 0x10 && data[2] == 0x82) { //解析标签成功 if (data.Length >= 18) { var vipByte = new byte [4]; Array.Copy(data, 13, vipByte, 0, vipByte.Length); var vipId = ((vipByte[0]) + (vipByte[1] << 8) + (vipByte[2] << 16) + (vipByte[3] << 32)).ToString(); if (IdentificationMarks != null ) { var markArgs = new MarkArgs(vipId, string .Empty, true ); IdentificationMarks( this , markArgs); } } } else if (data[0] == 0xE4 && data[1] == 0x04 && data[2] == 0x82) { if (IdentificationMarks != null ) { var markArgs = new MarkArgs( string .Empty, string .Empty, false ); IdentificationMarks( this , markArgs); } } } /// 快写标签 private void WriteTag( byte [] data) { if (data[0] == 0xE0 && data[1] == 0x04 && data[2] == 0x9C) { if (data.Length >= 6) { if (data[4] == 0x0) { //写标签成功 if (WriteMarks != null ) { var markArgs = new MarkArgs( string .Empty, string .Empty, true ); WriteMarks( this , markArgs); } } else { //写标签失败 if (WriteMarks != null ) { var markArgs = new MarkArgs( string .Empty, string .Empty, false ); WriteMarks( this , markArgs); } } } } } /// 定时模式读取标签 private void ReaderTag( byte [] data) { if (data.Length >= 17) { if (data[0] == 0x00 && data[1] == 0x00 && data[16] == 0xFF) { var bytCheck = new byte [15]; Array.Copy(data, 0, bytCheck, 0, 15); var checkSum = EPCSDKHelper.CheckSum(bytCheck) & 0xFF; //校验和 if (data[15] == checkSum) { var vipByte = new byte [4]; Array.Copy(bytCheck, 10, vipByte, 0, 4); var vipId = ((vipByte[0]) + (vipByte[1] << 8) + (vipByte[2] << 16) + (vipByte[3] << 32)).ToString(); this .VipId = vipId; if (GetVip != null ) { var markArgs = new MarkArgs( this .VipId, string .Empty, true ); GetVip( this , markArgs); } } } } } private void client_mOnError( object sender, SocketException error) { if (!Client.ConnectFlag) { ReConnect(); } } private void client_mOnConnected( object sender) { MConnectErrorCount = 0; } private void ReConnect() { if (Client != null ) { Client.mOnConnected -= client_mOnConnected; Client.mOnError -= client_mOnError; Client.OnDataIn -= client_OnDataIn; Client.OnDisconnected -= client_OnDisconnected; } Client = new SocketClient(); Client.Connect( this .Ip, this .Port); Client.mOnConnected += client_mOnConnected; Client.mOnError += client_mOnError; Client.OnDataIn += client_OnDataIn; Client.OnDisconnected += client_OnDisconnected; } private void mTimer_Tick( object sender, EventArgs e) { try { MTimer.Enabled = false ; if (Client.ConnectFlag) { Client.Send(TagProtocol.MIdentificationMarks); } else { MConnectErrorCount++; if (MConnectErrorCount > this .ErrorCount) { ReConnect(); } } } finally { MTimer.Enabled = true ; } } public void Start() { Client = new SocketClient(); Client.Connect( this .Ip, this .Port); Client.mOnConnected += client_mOnConnected; Client.mOnError += client_mOnError; Client.OnDataIn += client_OnDataIn; Client.OnDisconnected += client_OnDisconnected; MTimer.Interval = 1000; MTimer.Enabled = true ; MTimer.Tick += mTimer_Tick; } public void ClearVipId() { try { Monitor.Enter(MLock); this .VipId = string .Empty; } finally { Monitor.Exit(MLock); } } public void WriteMark( int mark) { if (mark < 0 && mark > 0xffffffff) { throw new Exception( "超出写标签范围!" ); } var markByte = mark.ToString( "x" ).PadLeft(8, ‘0‘ ); var byt = new byte [4]; for ( var i = 0; i < markByte.Length; i = i + 2) { byt[i / 2] = ( byte )Convert.ToInt32(markByte[i].ToString() + markByte[i + 1].ToString(), 16); } var writeMarkData = http://www.mamicode.com/ new byte [10]; Array.Copy(TagProtocol.MWriteMark, 0, writeMarkData, 0, TagProtocol.MWriteMark.Length); Array.Copy(byt, 0, writeMarkData, TagProtocol.MWriteMark.Length, byt.Length); //写校验和 writeMarkData[9] = ( byte )(EPCSDKHelper.CheckSum(writeMarkData) & 0xFF); Client.Send(writeMarkData); GC.Collect(); GC.WaitForFullGCComplete(); GC.Collect(); } } |
上面介绍了网络通讯的设备类当然也少不了Socket通讯类。 不然没法通许不是
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | namespace Rfid { public delegate void ClientErrorEvent( object sender, SocketException error); public delegate void ClientOnDataInHandler( object sender, byte [] data); public delegate void ClientEvent( object sender); public class SocketClient { public event ClientEvent mOnConnected = null ; public event ClientEvent OnDisconnected = null ; public event ClientOnDataInHandler OnDataIn = null ; public event ClientErrorEvent mOnError = null ; private Socket cli = null ; private byte [] databuffer; private int buffersize = 64 * 1024; public bool ConnectFlag { get { if (cli == null ) { return false ; } return cli.Connected; } } private void RaiseDisconnectedEvent() { if ( null != OnDisconnected) OnDisconnected( this ); } private void RaiseErrorEvent(SocketException error) { if ( null != mOnError) mOnError( this , error); } private void HandleConnectionData(IAsyncResult parameter) { Socket remote = (Socket)parameter.AsyncState; int read = remote.EndReceive(parameter); if (0 == read) { RaiseDisconnectedEvent(); } else { byte [] received = new byte [read]; Array.Copy(databuffer, 0, received, 0, read); if ( null != OnDataIn) OnDataIn( this , received); StartWaitingForData(remote); } } private void HandleIncomingData(IAsyncResult parameter) { try { HandleConnectionData(parameter); } catch (ObjectDisposedException) { RaiseDisconnectedEvent(); } catch (SocketException x) { if (x.ErrorCode == 10054) { RaiseDisconnectedEvent(); } RaiseErrorEvent(x); } } private void StartWaitingForData(Socket soc) { soc.BeginReceive(databuffer, 0, buffersize, SocketFlags.None, new AsyncCallback(HandleIncomingData), soc); } private void HandleSendFinished(IAsyncResult parameter) { Socket socket = (Socket)parameter.AsyncState; socket.EndSend(parameter); } public SocketClient() { databuffer = new byte [buffersize]; } private void Connected(IAsyncResult iar) { Socket socket = (Socket)iar.AsyncState; try { socket.EndConnect(iar); } catch (SocketException x) { RaiseErrorEvent(x); return ; } catch (ArgumentException) { return ; } catch (Exception e) { LogInfo.Error( "Connected:" + e.Message); LogInfo.Error(e.StackTrace); return ; } if ( null != mOnConnected) mOnConnected( this ); StartWaitingForData(socket); } public void Connect( string ip, int port) { cli = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IPEndPoint iep = new IPEndPoint(IPAddress.Parse(ip), port); try { cli.BeginConnect(iep, new AsyncCallback(Connected), cli); } catch (SocketException er) { LogInfo.Error( "与服务器无法建立连接!错误编号:" + er.ErrorCode + " 错误消息:" + er.Message); } } public void Close() { cli.Shutdown(SocketShutdown.Both); cli.Close(); } public void Send( byte [] buffer) { try { cli.BeginSend(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(HandleSendFinished), cli); } catch (ObjectDisposedException) { RaiseDisconnectedEvent(); } catch (SocketException x) { RaiseErrorEvent(x); } } } |
看到这些你有没有什么想说的。 提出你的想法。其实搞和硬件通讯还是很有趣的。下篇我将介绍一下让我恶心的不能再恶心的东进的电话卡模块。他的SDK简直无法用言语表达了(我只能说祝福了)。 对于RFID的SDK简单明了想要搞个程序还是很容易的。
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