2021-09-05 WPF数据采集与监控系统开发实战-设备数据采集

Dear 丶 2022-09-10 06:10 155阅读 0赞

![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5b6u6L2vTVZQIEVsZXZlbg_size_20_color_FFFFFF_t_70_g_se_x_16]

## 窗口配置信息 ##

全局数据采集

/// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App : Application
    { 
        protected override void OnStartup(StartupEventArgs e)
        { 
            base.OnStartup(e);
    
            GlobalMonitor.Start(
                () =>
                { 
                    Application.Current.Dispatcher.Invoke(() =>
                    { 
                        new MainWindow().Show();
                    });
                },
                (msg) =>
                { 
                    Application.Current.Dispatcher.Invoke(() =>
                    { 
                        MessageBox.Show(msg, "系统启动失败");
                        Application.Current.Shutdown();
                    });
                });
        }
    
        protected override void OnExit(ExitEventArgs e)
        { 
            GlobalMonitor.Dispose();
    
            base.OnExit(e);
        }
    }

/// <summary>
    /// 串口通讯相关类
    /// </summary>
    public class RTU
    { 
        public Action<int, List<byte>> ResponseData;
    
        private static RTU _instance;
        private static SerialInfo _serialInfo;
    
        SerialPort _serialPort;
        bool _isBusing = false;
    
        int _currentSlave;
        int _funcCode;
        int _wordLen;
        int _startAddr;
    
        private RTU(SerialInfo serialInfo)
        { 
            _serialPort = new SerialPort();
            _serialInfo = serialInfo;
        }
    
        public static RTU GetInstance(SerialInfo serialInfo)
        { 
            lock ("rtu")
            { 
                if (_instance == null)
                    _instance = new RTU(serialInfo);
                return _instance;
            }
        }
    
    
        public bool Connection()
        { 
            try
            { 
                if (_serialPort.IsOpen)
                    _serialPort.Close();
    
                _serialPort.PortName = _serialInfo.PortName;
                _serialPort.BaudRate = _serialInfo.BaudRate;
                _serialPort.DataBits = _serialInfo.DataBit;
                _serialPort.Parity = _serialInfo.Parity;
                _serialPort.StopBits = _serialInfo.StopBits;
    
                _serialPort.ReceivedBytesThreshold = 1;
                _serialPort.DataReceived += _serialPort_DataReceived;
    
                _serialPort.Open();
            }
            catch
            { 
                return false;
            }
    
            return true;
        }
    
        public void Dispose()
        { 
            if (_serialPort.IsOpen)
            { 
                _serialPort.Close();
                _serialPort.Dispose();
                _serialPort = null;
            }
        }
    
        int _receiveByteCount = 0;
        byte[] _byteBuffer = new byte[512];
        private void _serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        { 
            byte _receiveBytes;
            while (_serialPort.BytesToRead > 0)
            { 
                _receiveBytes = (byte)_serialPort.ReadByte();
                _byteBuffer[_receiveByteCount] = _receiveBytes;
                _receiveByteCount++;
                if (_receiveByteCount >= 512)
                { 
                    _receiveByteCount = 0;
                    //清除输入缓冲区
                    _serialPort.DiscardInBuffer();
                    return;
                }
            }
    
            if (_byteBuffer[0] == (byte)_currentSlave && _byteBuffer[1] == _funcCode && _receiveByteCount >= _wordLen + 5)
            { 
                // 检查crc
                // ...........
                // 返回数据
                ResponseData?.Invoke(_startAddr, new List<byte>(SubByteArray(_byteBuffer, 0, _wordLen + 3)));
                _serialPort.DiscardInBuffer();
            }
        }
    
        public async Task<bool> Send(int slaveAddr, byte funcCode, int startAddr, int len)
        { 
            _currentSlave = slaveAddr;
            _funcCode = funcCode;
            _startAddr = startAddr;
    
            if (funcCode == 0x01)
                _wordLen = len / 8 + ((len % 8 > 0) ? 1 : 0);
            if (funcCode == 0x03)
                _wordLen = len * 2;
    
            List<byte> sendBuffer = new List<byte>();
            sendBuffer.Add((byte)slaveAddr);
            sendBuffer.Add(funcCode);
            sendBuffer.Add((byte)(startAddr / 256));
            sendBuffer.Add((byte)(startAddr % 256));
            sendBuffer.Add((byte)(len / 256));
            sendBuffer.Add((byte)(len % 256));
    
            byte[] crc = Crc16(sendBuffer.ToArray(), 6);
            sendBuffer.AddRange(crc);
    
            try
            { 
                while (_isBusing) {  }
    
                _isBusing = true;
                _serialPort.Write(sendBuffer.ToArray(), 0, 8);
                _isBusing = false;
    
                await Task.Delay(1000);
            }
            catch
            { 
                return false;
            }
                _receiveByteCount = 0;
            return true;
        }
    
        private byte[] SubByteArray(byte[] byteArr, int start, int len)
        { 
            byte[] Res = new byte[len];
            if (byteArr != null && byteArr.Length > len)
            { 
                for (int i = 0; i < len; i++)
                { 
                    Res[i] = byteArr[i + start];
                }
            }
            return Res;
        }
    
        #region CRC校验
        private static readonly byte[] aucCRCHi = { 
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
             0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
             0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
             0x00, 0xC1, 0x81, 0x40
         };
        private static readonly byte[] aucCRCLo = { 
             0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7,
             0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
             0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9,
             0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
             0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
             0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
             0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
             0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
             0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF,
             0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
             0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1,
             0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
             0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB,
             0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
             0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
             0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
             0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97,
             0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
             0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89,
             0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
             0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
             0x41, 0x81, 0x80, 0x40
         };
        private byte[] Crc16(byte[] pucFrame, int usLen)
        { 
            int i = 0;
            byte crcHi = 0xFF;
            byte crcLo = 0xFF;
            UInt16 iIndex = 0x0000;
    
            while (usLen-- > 0)
            { 
                iIndex = (UInt16)(crcLo ^ pucFrame[i++]);
                crcLo = (byte)(crcHi ^ aucCRCHi[iIndex]);
                crcHi = aucCRCLo[iIndex];
            }
    
            return new byte[] {  crcLo, crcHi };
        }
    
    
        #endregion
    }

public class GlobalMonitor
    { 
        //存储区域
        public static List<StorageModel> StorageList {  get; set; }
        //设备列表
        public static List<DeviceModel> DeviceList {  get; set; }
        //配置信息
        public static SerialInfo SerialInfo {  get; set; }
        //是否运行
        static bool isRunning = true;
        //主任务
        static Task mainTask = null;
        //串口实例
        static RTU rtuInstance = null;
        /// <summary>
        /// 开始运行
        /// </summary>
        /// <param name="sucessAction">成功回调</param>
        /// <param name="faultAction">失败回调</param>
        public static void Start(Action sucessAction, Action<string> faultAction)
        { 
            mainTask = Task.Run(async () =>
             { 
                 //业务层
                 IndustrialBLL bll = new IndustrialBLL();
                 #region 获取串口配置信息
                 var si = bll.InitSerialInfo();
                 if (si.State)
                     SerialInfo = si.Data;
                 else
                 { 
                     faultAction(si.Message); return;
                 }
                 #endregion
                 #region 获取存储区信息
                 var sa = bll.InitStorageArea();
                 if (sa.State)
                     StorageList = sa.Data;
                 else
                 { 
                     faultAction(sa.Message); return;
                 }
                 #endregion
                 #region 初始化设备变量集合及警戒值
                 var dr = bll.InitDevices();
                 if (dr.State)
                     DeviceList = dr.Data;
                 else
                 { 
                     faultAction(dr.Message); return;
                 }
                 #endregion
                 #region 初始化串口通信
                 rtuInstance = RTU.GetInstance(SerialInfo);
                 rtuInstance.ResponseData = new Action<int, List<byte>>(ParsingData);
    
                 if (rtuInstance.Connection())
                 { 
                     sucessAction();
    
                     int startAddr = 0;
                     while (isRunning)
                     { 
                         foreach (var item in StorageList)
                         { 
                             if (item.Length > 100)
                             { 
                                 startAddr = item.StartAddress;
                                 int readCount = item.Length / 100;
                                 for (int i = 0; i < readCount; i++)
                                 { 
                                     int readLen = i == readCount ? item.Length - 100 * i : 100;
                                     await rtuInstance.Send(item.SlaveAddress, (byte)int.Parse(item.FuncCode), startAddr + 100 * i, readLen);
                                 }
                             }
                             if (item.Length % 100 > 0)
                             { 
                                 await rtuInstance.Send(item.SlaveAddress, (byte)int.Parse(item.FuncCode), startAddr + 100 * (item.Length / 100), item.Length % 100);
                             }
                         }
                     }
                 }
                 else
                 { 
                     faultAction("程序无法启动，串口连接初始化失败！请检查设备是否连接正常。");
                 }
                 #endregion
             });
        }
        /// <summary>
        /// 查找设备监控点位与当前返回报文相关的监控数据列表
        /// </summary>
        /// <param name="start_addr"></param>
        /// <param name="byteList"></param>
        private static void ParsingData(int start_addr, List<byte> byteList)
        { 
            if (byteList != null && byteList.Count > 0)
            { 
                // 查找设备监控点位与当前返回报文相关的监控数据列表
                // 根据从站地址、功能码、起始地址
                var mvl = (from q in DeviceList
                           from m in q.MonitorValueList
                           where m.StorageAreaId == (byteList[0].ToString() + byteList[1].ToString("00") + start_addr.ToString())
                           select m
                         ).ToList();
    
                int startByte;
                byte[] res = null;
                foreach (var item in mvl)
                { 
                    switch (item.DataType)
                    { 
                        case "Float":
                            startByte = item.StartAddress * 2 + 3;
                            if (startByte < start_addr + byteList.Count)
                            { 
                                res = new byte[4] {  byteList[startByte], byteList[startByte + 1], byteList[startByte + 2], byteList[startByte + 3] };
                                item.CurrentValue = Convert.ToDouble(res.ByteArrsyToFloat());
                            }
                            break;
                        case "Bool":
                            break;
                    }
                }
            }
        }
        /// <summary>
        /// 销毁时触发
        /// </summary>
        public static void Dispose()
        { 
            isRunning = false;
    
            if (rtuInstance != null)
                rtuInstance.Dispose();
    
            if (mainTask != null)
                mainTask.Wait();
        }
    }

[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5b6u6L2vTVZQIEVsZXZlbg_size_20_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/5c88faad92d9470080fbd0c7741d98b5.png