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895 lines
36 KiB
895 lines
36 KiB
using System;
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using System.Text;
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using System.Net;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Data.SqlClient;
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namespace DataService
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{
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public static class ExtMethods
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{
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public static bool ModifyItemType(this ITag tag, VarEnum dataType)
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{
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DeviceAddress addr = tag.Address;
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switch (dataType)
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{
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case VarEnum.VT_BOOL:
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if (addr.VarType == DataType.BYTE || addr.VarType == DataType.SHORT || addr.VarType == DataType.INT || addr.VarType == DataType.FLOAT)
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{
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tag.Address = new DeviceAddress(addr.Area, addr.DBNumber, addr.CacheIndex, addr.Start, 1, 0, DataType.BOOL);
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return true;
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}
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return false;
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case VarEnum.VT_UI1:
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if (addr.VarType == DataType.BOOL || addr.VarType == DataType.SHORT || addr.VarType == DataType.INT || addr.VarType == DataType.FLOAT)
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{
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tag.Address = new DeviceAddress(addr.Area, addr.DBNumber, addr.CacheIndex, addr.Start, 1, 0, DataType.BYTE);
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return true;
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}
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return false;
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case VarEnum.VT_UI2:
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case VarEnum.VT_I2:
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if (addr.VarType == DataType.BYTE || addr.VarType == DataType.BOOL || addr.VarType == DataType.INT || addr.VarType == DataType.FLOAT)
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{
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tag.Address = new DeviceAddress(addr.Area, addr.DBNumber, addr.CacheIndex, addr.Start, 2, 0, DataType.SHORT);
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return true;
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}
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return false;
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case VarEnum.VT_UI4:
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case VarEnum.VT_I4:
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if (addr.VarType == DataType.BYTE || addr.VarType == DataType.SHORT || addr.VarType == DataType.BOOL || addr.VarType == DataType.FLOAT)
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{
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tag.Address = new DeviceAddress(addr.Area, addr.DBNumber, addr.CacheIndex, addr.Start, 4, 0, DataType.INT);
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return true;
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}
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return false;
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case VarEnum.VT_R4:
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if (addr.VarType == DataType.BYTE || addr.VarType == DataType.SHORT || addr.VarType == DataType.BOOL || addr.VarType == DataType.INT)
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{
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tag.Address = new DeviceAddress(addr.Area, addr.DBNumber, addr.CacheIndex, addr.Start, 4, 0, DataType.FLOAT);
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return true;
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}
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return false;
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default:
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return false;
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}
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}
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public static string GetExceptionMsg(this Exception e)
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{
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string err = string.Empty;
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Exception exp = e;
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while (exp != null)
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{
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err += string.Format("\n {0}", exp.Message);
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exp = exp.InnerException;
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}
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err += string.Format("\n {0}", e.StackTrace);
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return err;
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}
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public static string GetNullableString(this SqlDataReader dataReader, int index)
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{
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var svr = dataReader.GetSqlString(index);
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return svr.IsNull ? null : svr.Value;
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}
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public static DateTime? GetNullableTime(this SqlDataReader dataReader, int index)
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{
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var svr = dataReader.GetSqlDateTime(index);
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return svr.IsNull ? default(Nullable<DateTime>) : svr.Value;
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}
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public static bool ModifyItemName(this ITag tag, string name)
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{
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IDataServer server = tag.Parent.Server;
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lock (server.SyncRoot)
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{
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int index = server.GetItemProperties(tag.ID);
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if (index < 0) return false;
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var meta = server.MetaDataList[index];
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if (meta.Name == name) return true;
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server.MetaDataList[index] = new TagMetaData(meta.ID, meta.GroupID, name, meta.Address, meta.DataType, meta.Size, meta.Archive, meta.Maximum, meta.Minimum, meta.Cycle);
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server.RemoveItemIndex(meta.Name);
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server.AddItemIndex(name, tag);
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return true;
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}
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}
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public static SubCondition FindSubConditon(this IAlarmServer server, string sourceName, SubAlarmType alarmType)
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{
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var conds = server.QueryConditions(sourceName);
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if (conds == null) return SubCondition.Empty;
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foreach (ICondition cond in conds)
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{
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SubCondition sub = cond.FindSubConditon(alarmType);
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if (sub.SubAlarmType == alarmType)
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return sub;
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}
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return SubCondition.Empty;
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}
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public static SubCondition FindSubConditon(this ICondition cond, SubAlarmType alarmType)
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{
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var subs = cond.SubConditions;
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if (subs != null && subs.Count > 0)
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{
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foreach (var sub in subs)
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{
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if (sub.SubAlarmType == alarmType)
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{
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return sub;
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}
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}
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}
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return SubCondition.Empty;
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}
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public static bool HasScaling(this IDataServer server, string tagName)
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{
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ITag tag = server[tagName];
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if (tag == null) return false;
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int scaleid = server.GetScaleByID(tag.ID);
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return scaleid >= 0;
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}
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public static bool HasAlarm(this IDataServer dserver, string sourceName)
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{
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IAlarmServer server = dserver as IAlarmServer;
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if (server == null) return false;
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List<ICondition> conds = server.ConditionList as List<ICondition>;
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return conds == null || conds.Count == 0 ? false : conds.BinarySearch(new DigitAlarm(0, sourceName)) >= 0;
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}
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public static bool HasSubCondition(this IDataServer dserver, string sourceName, SubAlarmType alarmType)
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{
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IAlarmServer server = dserver as IAlarmServer;
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if (server == null) return false;
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var conds = server.QueryConditions(sourceName);
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if (conds == null) return false;
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foreach (ICondition cond in conds)
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{
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var subs = cond.SubConditions;
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if (subs != null && subs.Count > 0)
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{
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foreach (var sub in subs)
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{
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if (sub.SubAlarmType == alarmType)
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{
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return true;
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}
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}
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}
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}
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return false;
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}
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public static ItemData<object> ReadValueEx(this IReaderWriter reader, DeviceAddress address)
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{
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switch (address.VarType)
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{
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case DataType.BOOL:
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var bit = reader.ReadBit(address);
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return new ItemData<object>(bit.Value, bit.TimeStamp, bit.Quality);
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case DataType.BYTE:
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var bt = reader.ReadByte(address);
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return new ItemData<object>(bt.Value, bt.TimeStamp, bt.Quality);
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case DataType.WORD:
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case DataType.SHORT:
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var sh = reader.ReadInt16(address);
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return new ItemData<object>(sh.Value, sh.TimeStamp, sh.Quality);
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case DataType.TIME:
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case DataType.INT:
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var it = reader.ReadInt32(address);
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return new ItemData<object>(it.Value, it.TimeStamp, it.Quality);
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case DataType.FLOAT:
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var fl = reader.ReadFloat(address);
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return new ItemData<object>(fl.Value, fl.TimeStamp, fl.Quality);
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case DataType.STR:
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var str = reader.ReadString(address, address.DataSize);
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return new ItemData<object>(str.Value, str.TimeStamp, str.Quality);
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}
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return new ItemData<object>(null, 0, QUALITIES.QUALITY_BAD);
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}
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public static int WriteValueEx(this IReaderWriter writer, DeviceAddress address, object value)
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{
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switch (address.VarType)
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{
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case DataType.BOOL:
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return writer.WriteBit(address, Convert.ToBoolean(value));
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case DataType.BYTE:
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return writer.WriteBits(address, Convert.ToByte(value));
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case DataType.WORD:
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case DataType.SHORT:
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return writer.WriteInt16(address, Convert.ToInt16(value));
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case DataType.TIME:
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case DataType.INT:
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return writer.WriteInt32(address, Convert.ToInt32(value));
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case DataType.FLOAT:
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return writer.WriteFloat(address, Convert.ToSingle(value));
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case DataType.STR:
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return writer.WriteString(address, value.ToString());
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}
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return -1;
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}
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public static HistoryData[] BatchRead(DataSource source, params ITag[] itemArray)
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{
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int len = itemArray.Length;
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HistoryData[] values = new HistoryData[len];
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for (int i = 0; i < len; i++)
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{
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itemArray[i].Refresh(source);
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values[i].ID = itemArray[i].ID;
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values[i].Value = itemArray[i].Value;
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values[i].TimeStamp = itemArray[i].TimeStamp;
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}
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return values;
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}
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public static int BatchWrite(IDictionary<ITag, object> items)
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{
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int rev = 0;
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foreach (var tag in items)
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{
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if (tag.Key.Write(tag.Value) < 0)
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rev = -1;
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}
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return rev;
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}
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public static List<PDUArea> AssignFromPDU(this ICache cacheReader, int PDU, params DeviceAddress[] addrsArr)
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{
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List<PDUArea> rangeList = new List<PDUArea>();
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int count = addrsArr.Length;
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if (count > 0)
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{
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//Array.Sort(addrsArr);
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DeviceAddress start = addrsArr[0];
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start.Bit = 0;
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int bitCount = cacheReader.ByteCount;
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if (count > 1)
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{
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int cacheLength = 0;//缓冲区的大小
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int cacheIndexStart = 0;
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int startIndex = 0;
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DeviceAddress segmentEnd, tagAddress;
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DeviceAddress segmentStart = start;
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for (int j = 1, i = 1; i < count; i++, j++)
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{
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tagAddress = addrsArr[i];//当前变量地址
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int offset1 = cacheReader.GetOffset(tagAddress, segmentStart);
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if (offset1 > (PDU / cacheReader.ByteCount))
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{
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segmentEnd = addrsArr[i - 1];
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int len = cacheReader.GetOffset(segmentEnd, segmentStart);
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len += segmentEnd.DataSize <= bitCount ? 1 : segmentEnd.DataSize / bitCount;
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tagAddress.CacheIndex = (ushort)(cacheIndexStart + len);
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addrsArr[i] = tagAddress;
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rangeList.Add(new PDUArea(segmentStart, len, startIndex, j));
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startIndex += j; j = 0;
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cacheLength += len;//更新缓存长度
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cacheIndexStart = cacheLength;
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segmentStart = tagAddress;//更新数据片段的起始地址
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}
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else
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{
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tagAddress.CacheIndex = (ushort)(cacheIndexStart + offset1);
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addrsArr[i] = tagAddress;
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}
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if (i == count - 1)
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{
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segmentEnd = addrsArr[i];
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int segmentLength = cacheReader.GetOffset(segmentEnd, segmentStart);
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if (segmentLength > PDU / cacheReader.ByteCount)
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{
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segmentEnd = addrsArr[i - 1];
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segmentLength = segmentEnd.DataSize <= bitCount ? 1 : segmentEnd.DataSize / bitCount;
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}
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tagAddress.CacheIndex = (ushort)(cacheIndexStart + segmentLength);
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addrsArr[i] = tagAddress;
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segmentLength += segmentEnd.DataSize <= bitCount ? 1 : segmentEnd.DataSize / bitCount;
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rangeList.Add(new PDUArea(segmentStart, segmentLength, startIndex, j + 1));
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cacheLength += segmentLength;
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}
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}
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cacheReader.Size = cacheLength;
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}
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else
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cacheReader.Size = start.DataSize <= bitCount ? 1 : start.DataSize / bitCount;//改变Cache的Size属性值将创建Cache的内存区域
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}
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return rangeList;
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}
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//调用前应对地址数组排序(是否加锁？)
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public static ItemData<Storage>[] PLCReadMultiple(this IPLCDriver plc, ICache cache, DeviceAddress[] addrsArr)
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{
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if (addrsArr == null || cache == null || addrsArr.Length == 0) return null;
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int len = addrsArr.Length;
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ItemData<Storage>[] items = new ItemData<Storage>[len];
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int offset = 0; long now = DateTime.Now.ToFileTime();
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List<PDUArea> areas = cache.AssignFromPDU(plc.PDU, addrsArr);
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foreach (PDUArea area in areas)
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{
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byte[] rcvBytes = plc.ReadBytes(area.Start, (ushort)area.Len);
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Buffer.BlockCopy(rcvBytes, 0, cache.Cache, offset, rcvBytes.Length);
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offset += rcvBytes.Length / cache.ByteCount;
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}
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for (int i = 0; i < len; i++)
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{
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switch (addrsArr[i].VarType)
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{
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case DataType.BOOL:
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items[i].Value.Boolean = cache.ReadBit(addrsArr[i]).Value;
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break;
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case DataType.BYTE:
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items[i].Value.Byte = cache.ReadByte(addrsArr[i]).Value;
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break;
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case DataType.WORD:
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case DataType.SHORT:
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items[i].Value.Int16 = cache.ReadInt16(addrsArr[i]).Value;
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break;
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case DataType.TIME:
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case DataType.INT:
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items[i].Value.Int32 = cache.ReadInt32(addrsArr[i]).Value;
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break;
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case DataType.FLOAT:
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items[i].Value.Single = cache.ReadFloat(addrsArr[i]).Value;
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break;
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case DataType.STR:
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var item = cache.ReadString(addrsArr[i], addrsArr[i].DataSize);
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break;
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}
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items[i].Quality = QUALITIES.QUALITY_GOOD;
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items[i].TimeStamp = now;
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}
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return items;
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}
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public static int PLCWriteMultiple(this IPLCDriver plc, ICache cache, DeviceAddress[] addrArr, object[] buffer, int limit)
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{
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if (cache == null || addrArr == null || buffer == null || addrArr.Length != buffer.Length) return -1;
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if (addrArr.Length == 1) return plc.WriteValue(addrArr[0], buffer[0]);
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lock (plc)//不锁定会有并发冲突问题；锁定也不能保障绝对安全，如有人现场操作会导致数据刷新
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{
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List<PDUArea> areas = cache.AssignFromPDU(plc.PDU, addrArr);
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int offset = 0;
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foreach (PDUArea area in areas)
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{
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byte[] rcvBytes = plc.ReadBytes(area.Start, (ushort)area.Len);
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if (rcvBytes == null) return -1;
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Buffer.BlockCopy(rcvBytes, 0, cache.Cache, offset, rcvBytes.Length);
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offset += rcvBytes.Length / cache.ByteCount;
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}
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DeviceAddress start = addrArr[0];
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int startIndex = 0;
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int endIndex = 0;
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while (endIndex < addrArr.Length)
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{
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if (start.Area != addrArr[endIndex].Area || start.DBNumber != addrArr[endIndex].DBNumber || endIndex - startIndex >= limit)
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{
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for (int i = startIndex; i < endIndex; i++)
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{
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cache.WriteValue(addrArr[i], buffer[i]);
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}
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int c1 = start.CacheIndex; int c2 = addrArr[endIndex - 1].CacheIndex;
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byte[] bytes = new byte[cache.ByteCount * (c2 - c1 + 1)];
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Buffer.BlockCopy(cache.Cache, c1, bytes, 0, bytes.Length);
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if (plc.WriteBytes(start, bytes) < 0) return -1;
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start = addrArr[endIndex];
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startIndex = endIndex;
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}
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endIndex++;
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}
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}
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return 0;
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}
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/// <summary>
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/// string RightFrom
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/// </summary>
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/// <param name="text"></param>
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/// <param name="length"></param>
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/// <returns></returns>
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public static string RightFrom(this string text, int index)
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{
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return text.Substring(index + 1, text.Length - index - 1);
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}
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public static string Right(this string text, int length)
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{
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return text.Substring(text.Length - length, length);
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}
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/// <summary>
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/// Convert to Datetime
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/// </summary>
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/// <param name="filetime"></param>
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/// <returns></returns>
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|
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public static DateTime ToDateTime(this long filetime)
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{
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return filetime == 0 ? DateTime.Now : DateTime.FromFileTime(filetime);
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}
|
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|
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public static VarEnum ToVarEnum(this DataType dataType)
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{
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switch (dataType)
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{
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case DataType.BOOL:
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return VarEnum.VT_BOOL;
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case DataType.BYTE:
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return VarEnum.VT_UI1;
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case DataType.WORD:
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return VarEnum.VT_UI2;
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case DataType.SHORT:
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return VarEnum.VT_I2;
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case DataType.TIME:
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return VarEnum.VT_FILETIME;
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case DataType.INT:
|
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return VarEnum.VT_I4;
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case DataType.FLOAT:
|
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return VarEnum.VT_R4;
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case DataType.STR:
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return VarEnum.VT_BSTR;
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default:
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return VarEnum.VT_VARIANT;
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}
|
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}
|
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|
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public static Type ToType(this DataType dataType)
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{
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switch (dataType)
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{
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case DataType.BOOL:
|
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return typeof(bool);
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case DataType.BYTE:
|
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return typeof(byte);
|
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case DataType.WORD:
|
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return typeof(ushort);
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case DataType.SHORT:
|
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return typeof(short);
|
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case DataType.INT:
|
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case DataType.TIME:
|
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return typeof(int);
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case DataType.FLOAT:
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return typeof(float);
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case DataType.STR:
|
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return typeof(string);
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default:
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return typeof(object);
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}
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}
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|
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public static string ToFormatString(this int num, int len)
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{
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string str = num.ToString();
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int off = len - str.Length;
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return off > 0 ? string.Concat(new string('0', off), str) : str;
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}
|
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|
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public static bool IsEquals(this byte[] b1, byte[] b2)
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|
{
|
|
if (b1 == null || b2 == null) return false;
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if (b1.Length != b2.Length) return false;
|
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for (int i = 0; i < b1.Length; i++)
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if (b1[i] != b2[i])
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return false;
|
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return true;
|
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}
|
|
|
|
public static string ConvertToString(this byte[] bits)
|
|
{
|
|
char[] chars = new char[bits.Length];
|
|
for (int i = 0; i < bits.Length; i++)
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{
|
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chars[i] = (char)bits[i];
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}
|
|
return new string(chars);
|
|
}
|
|
|
|
public static byte[] ConvertToArray(this string bits)
|
|
{
|
|
var chars = bits.ToCharArray();
|
|
byte[] arr = new byte[chars.Length];
|
|
for (int i = 0; i < chars.Length; i++)
|
|
{
|
|
arr[i] = (byte)chars[i];
|
|
}
|
|
return arr;
|
|
}
|
|
|
|
public static int BitSwap(this byte bit)
|
|
{
|
|
return (bit < 8 ? bit + 8 : bit - 8);
|
|
}
|
|
|
|
[Obsolete]
|
|
public static Storage ToStorage(this ITag tag, object obj)
|
|
{
|
|
Storage value = Storage.Empty;
|
|
var str = obj as string;
|
|
switch (tag.Address.VarType)
|
|
{
|
|
case DataType.BOOL:
|
|
value.Boolean = str == null ? Convert.ToBoolean(obj) : str == "0" ? false : str == "1" ? true : bool.Parse(str);
|
|
break;
|
|
case DataType.BYTE:
|
|
value.Byte = Convert.ToByte(obj);
|
|
break;
|
|
case DataType.WORD:
|
|
case DataType.SHORT:
|
|
value.Int16 = Convert.ToInt16(obj);
|
|
break;
|
|
case DataType.TIME:
|
|
case DataType.INT:
|
|
value.Int32 = Convert.ToInt32(obj);
|
|
break;
|
|
case DataType.FLOAT:
|
|
value.Single = Convert.ToSingle(obj);
|
|
break;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
public static byte[] ToByteArray(this ITag tag)
|
|
{
|
|
switch (tag.Address.VarType)
|
|
{
|
|
case DataType.BOOL:
|
|
return new byte[] { tag.Value.Boolean ? (byte)1 : (byte)0 };
|
|
case DataType.BYTE:
|
|
return new byte[] { tag.Value.Byte };
|
|
case DataType.WORD:
|
|
case DataType.SHORT:
|
|
return BitConverter.GetBytes(tag.Value.Int16);
|
|
case DataType.INT:
|
|
return BitConverter.GetBytes(tag.Value.Int32);
|
|
case DataType.FLOAT:
|
|
return BitConverter.GetBytes(tag.Value.Single);
|
|
case DataType.STR:
|
|
return Encoding.ASCII.GetBytes(tag.ToString());
|
|
default:
|
|
return new byte[0];
|
|
}
|
|
}
|
|
|
|
public static byte[] ToByteArray(this ITag tag, Storage value)
|
|
{
|
|
switch (tag.Address.VarType)
|
|
{
|
|
case DataType.BOOL:
|
|
return new byte[] { value.Boolean ? (byte)1 : (byte)0 };
|
|
case DataType.BYTE:
|
|
return new byte[] { value.Byte };
|
|
case DataType.WORD:
|
|
case DataType.SHORT:
|
|
return BitConverter.GetBytes(value.Int16);
|
|
case DataType.INT:
|
|
return BitConverter.GetBytes(value.Int32);
|
|
case DataType.FLOAT:
|
|
return BitConverter.GetBytes(value.Single);
|
|
case DataType.STR:
|
|
return Encoding.ASCII.GetBytes(tag.ToString());
|
|
default:
|
|
return new byte[0];
|
|
}
|
|
}
|
|
|
|
public static object GetValue(this ITag tag, Storage value)
|
|
{
|
|
switch (tag.Address.VarType)
|
|
{
|
|
case DataType.BOOL:
|
|
return value.Boolean;
|
|
case DataType.BYTE:
|
|
return value.Byte;
|
|
case DataType.WORD:
|
|
case DataType.SHORT:
|
|
return value.Int16;
|
|
case DataType.TIME:
|
|
case DataType.INT:
|
|
return value.Int32;
|
|
case DataType.FLOAT:
|
|
return value.Single;
|
|
case DataType.STR:
|
|
return tag.ToString();
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static float ValueToScale(this ITag tag, float value)
|
|
{
|
|
IDataServer srv = tag.Parent.Server;
|
|
int ind = srv.GetScaleByID(tag.ID);
|
|
Scaling meta = ind < 0 ? Scaling.Empty : srv.ScalingList[ind];
|
|
if (meta.ScaleType == ScaleType.None)
|
|
{
|
|
return value;
|
|
}
|
|
else
|
|
{
|
|
double temp = (value - meta.EULo) / (meta.EUHi - meta.EULo);
|
|
if (meta.ScaleType == ScaleType.SquareRoot)
|
|
temp = temp * temp;
|
|
return (meta.RawHi - meta.RawLo) * (float)temp + meta.RawLo;
|
|
}
|
|
}
|
|
|
|
public static float ScaleToValue(this ITag tag, Storage value)
|
|
{
|
|
DataType type = tag.Address.VarType;
|
|
if (type == DataType.BOOL) return value.Boolean ? 1f : 0f;
|
|
IDataServer srv = tag.Parent.Server;
|
|
int ind = srv.GetScaleByID(tag.ID);
|
|
Scaling meta = ind < 0 ? Scaling.Empty : srv.ScalingList[ind];
|
|
if (meta.ScaleType == ScaleType.None)
|
|
{
|
|
switch (type)
|
|
{
|
|
case DataType.BYTE:
|
|
return (float)value.Byte;
|
|
case DataType.WORD:
|
|
case DataType.SHORT:
|
|
return (float)value.Int16;
|
|
case DataType.INT:
|
|
return (float)value.Int32;
|
|
case DataType.FLOAT:
|
|
return value.Single;
|
|
case DataType.STR:
|
|
return float.Parse(tag.ToString());
|
|
default:
|
|
return 0f;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
double temp;
|
|
switch (type)
|
|
{
|
|
case DataType.BYTE:
|
|
temp = (value.Byte - meta.RawLo) / (meta.RawHi - meta.RawLo);
|
|
break;
|
|
case DataType.WORD:
|
|
case DataType.SHORT:
|
|
temp = (value.Int16 - meta.RawLo) / (meta.RawHi - meta.RawLo);
|
|
break;
|
|
case DataType.INT:
|
|
temp = (value.Int32 - meta.RawLo) / (meta.RawHi - meta.RawLo);
|
|
break;
|
|
case DataType.FLOAT:
|
|
temp = (value.Single - meta.RawLo) / (meta.RawHi - meta.RawLo);
|
|
break;
|
|
default:
|
|
return 0f;
|
|
}
|
|
if (meta.ScaleType == ScaleType.SquareRoot)
|
|
temp = Math.Sqrt(temp);
|
|
return (meta.EUHi - meta.EULo) * (float)temp + meta.EULo;
|
|
}
|
|
}
|
|
|
|
public static float ScaleToValue(this ITag tag)
|
|
{
|
|
return ScaleToValue(tag, tag.Value);
|
|
}
|
|
|
|
public static string GetTagName(this ITag tag)
|
|
{
|
|
IDataServer srv = tag.Parent.Server;
|
|
int ind = srv.GetItemProperties(tag.ID);
|
|
return ind < 0 ? null : srv.MetaDataList[ind].Name;
|
|
}
|
|
|
|
public static string GetTagName(this IDataServer srv, short id)
|
|
{
|
|
int ind = srv.GetItemProperties(id);
|
|
return ind < 0 ? null : srv.MetaDataList[ind].Name;
|
|
}
|
|
|
|
public static TagMetaData GetMetaData(this ITag tag)
|
|
{
|
|
IDataServer srv = tag.Parent.Server;
|
|
int index = srv.GetItemProperties(tag.ID);
|
|
return index < 0 ? new TagMetaData() : srv.MetaDataList[index];
|
|
}
|
|
}
|
|
|
|
public static class Utility
|
|
{
|
|
private static readonly ushort[] crcTable = {
|
|
0X0000, 0XC0C1, 0XC181, 0X0140, 0XC301, 0X03C0, 0X0280, 0XC241,
|
|
0XC601, 0X06C0, 0X0780, 0XC741, 0X0500, 0XC5C1, 0XC481, 0X0440,
|
|
0XCC01, 0X0CC0, 0X0D80, 0XCD41, 0X0F00, 0XCFC1, 0XCE81, 0X0E40,
|
|
0X0A00, 0XCAC1, 0XCB81, 0X0B40, 0XC901, 0X09C0, 0X0880, 0XC841,
|
|
0XD801, 0X18C0, 0X1980, 0XD941, 0X1B00, 0XDBC1, 0XDA81, 0X1A40,
|
|
0X1E00, 0XDEC1, 0XDF81, 0X1F40, 0XDD01, 0X1DC0, 0X1C80, 0XDC41,
|
|
0X1400, 0XD4C1, 0XD581, 0X1540, 0XD701, 0X17C0, 0X1680, 0XD641,
|
|
0XD201, 0X12C0, 0X1380, 0XD341, 0X1100, 0XD1C1, 0XD081, 0X1040,
|
|
0XF001, 0X30C0, 0X3180, 0XF141, 0X3300, 0XF3C1, 0XF281, 0X3240,
|
|
0X3600, 0XF6C1, 0XF781, 0X3740, 0XF501, 0X35C0, 0X3480, 0XF441,
|
|
0X3C00, 0XFCC1, 0XFD81, 0X3D40, 0XFF01, 0X3FC0, 0X3E80, 0XFE41,
|
|
0XFA01, 0X3AC0, 0X3B80, 0XFB41, 0X3900, 0XF9C1, 0XF881, 0X3840,
|
|
0X2800, 0XE8C1, 0XE981, 0X2940, 0XEB01, 0X2BC0, 0X2A80, 0XEA41,
|
|
0XEE01, 0X2EC0, 0X2F80, 0XEF41, 0X2D00, 0XEDC1, 0XEC81, 0X2C40,
|
|
0XE401, 0X24C0, 0X2580, 0XE541, 0X2700, 0XE7C1, 0XE681, 0X2640,
|
|
0X2200, 0XE2C1, 0XE381, 0X2340, 0XE101, 0X21C0, 0X2080, 0XE041,
|
|
0XA001, 0X60C0, 0X6180, 0XA141, 0X6300, 0XA3C1, 0XA281, 0X6240,
|
|
0X6600, 0XA6C1, 0XA781, 0X6740, 0XA501, 0X65C0, 0X6480, 0XA441,
|
|
0X6C00, 0XACC1, 0XAD81, 0X6D40, 0XAF01, 0X6FC0, 0X6E80, 0XAE41,
|
|
0XAA01, 0X6AC0, 0X6B80, 0XAB41, 0X6900, 0XA9C1, 0XA881, 0X6840,
|
|
0X7800, 0XB8C1, 0XB981, 0X7940, 0XBB01, 0X7BC0, 0X7A80, 0XBA41,
|
|
0XBE01, 0X7EC0, 0X7F80, 0XBF41, 0X7D00, 0XBDC1, 0XBC81, 0X7C40,
|
|
0XB401, 0X74C0, 0X7580, 0XB541, 0X7700, 0XB7C1, 0XB681, 0X7640,
|
|
0X7200, 0XB2C1, 0XB381, 0X7340, 0XB101, 0X71C0, 0X7080, 0XB041,
|
|
0X5000, 0X90C1, 0X9181, 0X5140, 0X9301, 0X53C0, 0X5280, 0X9241,
|
|
0X9601, 0X56C0, 0X5780, 0X9741, 0X5500, 0X95C1, 0X9481, 0X5440,
|
|
0X9C01, 0X5CC0, 0X5D80, 0X9D41, 0X5F00, 0X9FC1, 0X9E81, 0X5E40,
|
|
0X5A00, 0X9AC1, 0X9B81, 0X5B40, 0X9901, 0X59C0, 0X5880, 0X9841,
|
|
0X8801, 0X48C0, 0X4980, 0X8941, 0X4B00, 0X8BC1, 0X8A81, 0X4A40,
|
|
0X4E00, 0X8EC1, 0X8F81, 0X4F40, 0X8D01, 0X4DC0, 0X4C80, 0X8C41,
|
|
0X4400, 0X84C1, 0X8581, 0X4540, 0X8701, 0X47C0, 0X4680, 0X8641,
|
|
0X8201, 0X42C0, 0X4380, 0X8341, 0X4100, 0X81C1, 0X8081, 0X4040
|
|
};
|
|
|
|
/// <summary>
|
|
/// Converts an array of bytes to an ASCII byte array
|
|
/// </summary>
|
|
/// <param name="numbers">The byte array</param>
|
|
/// <returns>An array of ASCII byte values</returns>
|
|
public static string GetAsciiBytes(byte[] numbers)
|
|
{
|
|
string str = string.Empty;
|
|
for (int i = 0; i < numbers.Length; i++)
|
|
{
|
|
str += numbers[i].ToString("X2");
|
|
}
|
|
return str;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts an array of UInt16 to an ASCII byte array
|
|
/// </summary>
|
|
/// <param name="numbers">The ushort array</param>
|
|
/// <returns>An array of ASCII byte values</returns>
|
|
public static string GetAsciiBytes(ushort[] numbers)
|
|
{
|
|
string str = string.Empty;
|
|
for (int i = 0; i < numbers.Length; i++)
|
|
{
|
|
str += numbers[i].ToString("X4");
|
|
}
|
|
return str;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a network order byte array to an array of UInt16 values in host order
|
|
/// </summary>
|
|
/// <param name="networkBytes">The network order byte array</param>
|
|
/// <returns>The host order ushort array</returns>
|
|
public static ushort[] NetworkBytesToHostUInt16(byte[] networkBytes)
|
|
{
|
|
if (networkBytes == null)
|
|
throw new ArgumentNullException("networkBytes");
|
|
|
|
if (networkBytes.Length % 2 != 0)
|
|
throw new FormatException("NetworkBytesNotEven");
|
|
|
|
ushort[] result = new ushort[networkBytes.Length / 2];
|
|
|
|
for (int i = 0; i < result.Length; i++)
|
|
result[i] = (ushort)IPAddress.HostToNetworkOrder(BitConverter.ToInt16(networkBytes, i * 2));
|
|
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a hex string to a byte array.
|
|
/// </summary>
|
|
/// <param name="hex">The hex string</param>
|
|
/// <returns>Array of bytes</returns>
|
|
public static byte[] HexToBytes(string hex)
|
|
{
|
|
if (string.IsNullOrEmpty(hex))
|
|
throw new ArgumentNullException("hex");
|
|
|
|
if (hex.Length % 2 != 0)
|
|
throw new FormatException("HexCharacterCountNotEven");
|
|
|
|
byte[] bytes = new byte[hex.Length / 2];
|
|
|
|
for (int i = 0; i < bytes.Length; i++)
|
|
bytes[i] = Convert.ToByte(hex.Substring(i * 2, 2), 16);
|
|
|
|
return bytes;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Calculate Longitudinal Redundancy Check.
|
|
/// </summary>
|
|
/// <param name="data">The data used in LRC</param>
|
|
/// <returns>LRC value</returns>
|
|
public static byte CalculateLrc(byte[] data, int len = 0)
|
|
{
|
|
if (data == null)
|
|
throw new ArgumentNullException("data");
|
|
if (len == 0) len = data.Length;
|
|
byte lrc = 0;
|
|
for (int i = 0; i < len; i++)
|
|
{ lrc += data[i]; }
|
|
|
|
lrc = (byte)((lrc ^ 0xFF) + 1);
|
|
|
|
return lrc;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Calculate Cyclical Redundancy Check
|
|
/// </summary>
|
|
/// <param name="data">The data used in CRC</param>
|
|
/// <returns>CRC value</returns>
|
|
public static byte[] CalculateCrc(byte[] data, int len = 0)
|
|
{
|
|
if (data == null)
|
|
throw new ArgumentNullException("data");
|
|
if (len == 0) len = data.Length;
|
|
ushort crc = ushort.MaxValue;
|
|
for (int i = 0; i < len; i++)
|
|
{
|
|
byte tableIndex = (byte)(crc ^ data[i]);
|
|
crc >>= 8;
|
|
crc ^= crcTable[tableIndex];
|
|
}
|
|
|
|
return BitConverter.GetBytes(crc);
|
|
}
|
|
|
|
public static bool CheckSumCRC(byte[] frame)
|
|
{
|
|
int len = frame.Length;
|
|
byte[] chk = CalculateCrc(frame, len - 2);
|
|
return (chk[0] == frame[len - 2] && chk[1] == frame[len - 1]);
|
|
}
|
|
|
|
public static unsafe short NetToInt16(byte[] value, int startIndex)
|
|
{
|
|
if (value == null || startIndex > value.Length - 2)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
fixed (byte* numRef = &(value[startIndex]))
|
|
{
|
|
return (short)((numRef[0] << 8) | numRef[1]);
|
|
}
|
|
}
|
|
|
|
public static unsafe int NetToInt32(byte[] value, int startIndex)
|
|
{
|
|
if (value == null || startIndex > value.Length - 4)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
fixed (byte* numRef = &(value[startIndex]))
|
|
{
|
|
return (int)((numRef[0] << 24) | (numRef[1] << 16) | (numRef[2] << 8) | numRef[3]);
|
|
}
|
|
}
|
|
|
|
public static unsafe float NetToSingle(byte[] value, int startIndex)
|
|
{
|
|
int a = NetToInt32(value, startIndex);
|
|
return *(float*)&a;
|
|
}
|
|
|
|
public static string ConvertToString(byte[] bytes, int start = 0, int len = 0)
|
|
{
|
|
//西门子300、400
|
|
if (bytes == null || bytes.Length == 0)
|
|
return string.Empty;
|
|
var klen = bytes[start + 1];
|
|
return Encoding.ASCII.GetString(bytes, start + 2, klen).Trim((char)0);
|
|
}
|
|
}
|
|
}
|
|
|