751 lines
26 KiB
C#
751 lines
26 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Net.NetworkInformation;
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using System.Configuration;
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using System.Net.Sockets;
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using System.Net;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace InSituLaboratory.Entities
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{
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[NotMapped]
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public static class tools
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{
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static Dictionary<string, bool> Txt_Used = new Dictionary<string, bool>();
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#region 获取当前设备的所有端口号
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/// <summary>
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/// 获取当前设备的所有端口号
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/// </summary>
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/// <returns></returns>
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public static string[] GetSerialPort()
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{
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string[] ports = null;
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return ports;
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}
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#endregion
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#region PING IP是否ping通
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/// <summary>
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/// IP地址是否ping通
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/// </summary>
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/// <param name="strIP">IP地址例如“10.8.2.1”</param>
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/// <returns></returns>
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public static bool PingIp(string strIP)
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{
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bool bRet = false;
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try
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{
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Ping pingSend = new Ping();
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PingReply reply = pingSend.Send(strIP, 1000);
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if (reply.Status == IPStatus.Success)
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bRet = true;
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}
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catch (Exception)
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{
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bRet = false;
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}
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return bRet;
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}
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#endregion
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#region 添加日志
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//获取当前程序运行路径
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private static string Save_Path = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"数据记录\";
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public static void Logging(string message)
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{
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AddLgoToTXT("Log.txt", Save_Path + DateTime.Now.ToString("yyyy_MM_dd") + @"\", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " ---- " + message + "\r\n");
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}
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public static void AddLog(string logstring)
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{
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AddLgoToTXT("解析数据.txt", AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"数据记录\" + DateTime.Now.ToString("yyyy_MM_dd") + @"\", logstring);
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}
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#endregion
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#region 生成并保存本地文件
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/// <summary>
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/// 文件自动保存
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/// </summary>
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/// <param name="_file_name">文件名称</param>
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/// <param name="path">保存路径</param>
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/// <param name="logstring">文件内容</param>
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public static void AddLgoToTXT(string _file_name, string path, string logstring)
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{
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//检查是否存在该路径
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if (!Directory.Exists(path))
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{
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Directory.CreateDirectory(path);
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}
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path = path + _file_name;
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//检查该路径下是否存在该文件
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if (!File.Exists(path))
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{
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FileStream stream = null;
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try
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{
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stream = File.Create(path);
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stream.Close();
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stream.Dispose();
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}
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catch (Exception ex)
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{
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}
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finally
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{
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if (stream != null)
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{
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stream.Close();
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stream.Dispose();
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}
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}
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}
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if (!Txt_Used.ContainsKey(path))
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{
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Txt_Used.Add(path, true);
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}
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else
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{
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if (Txt_Used[path])
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{
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return;
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}
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else
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{
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Txt_Used[path] = true;
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}
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}
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FileStream fs = null;
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try
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{
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//[1]创建文件流 文件路径 和枚举类型的文件操作类型
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fs = new FileStream(path, FileMode.Append);
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//[2]创建写入器
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StreamWriter sw = new StreamWriter(fs);
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//[3]以流的方式写入数据
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sw.Write(logstring);
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//[4]关闭写入器
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sw.Close();
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//[5]关闭文件流
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fs.Close();
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Txt_Used[path] = false;
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}
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catch (Exception ex)
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{
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}
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finally
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{
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if (fs != null)
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{
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fs.Close();
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fs.Dispose();
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}
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}
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}
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#endregion
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#region 读取本地TXT文件
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public static string ReadFromTXT(string _file_name, string path)
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{
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//检查是否存在该路径
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if (!Directory.Exists(path))
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return "所选时间段没有系统日志";
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path = path + _file_name;
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//检查该路径下是否存在该文件
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if (!File.Exists(path))
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return "所选时间段没有系统日志";
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//如果文件占用就
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if (FileIsInUse(new FileInfo(path)))
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return "";
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//[1]创建文件流
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FileStream fs = new FileStream(path, FileMode.Open);
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//【2】创建读取器
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//Encoding.Default 读取未知文件是使用default格式
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//StreamReader sr = new StreamReader(fs,Encoding.Default);
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StreamReader sr = new StreamReader(fs);
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//【3】以流的方式读取数据
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string txt = sr.ReadToEnd();
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//[4]关闭读取器
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sr.Close();
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//【5】关闭文件流
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fs.Close();
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return txt;
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}
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#endregion
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#region 文件是否被占用
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static bool FileIsInUse(FileInfo file)
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{
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FileStream stream = null;
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try
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{
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stream = file.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.None);
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}
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catch (IOException)
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{
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//如果文件被占用，即
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//1.文件正在被另一个线程处理
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//2.或者正在被另一个线程处理
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//3.或者文件不存在
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return true;
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}
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finally
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{
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if (stream != null)
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stream.Close();
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}
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return false;
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}
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#endregion
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#region CRC校验
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private static readonly byte[] aucCRCHi = {
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40
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};
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private static readonly byte[] aucCRCLo = {
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0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7,
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0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
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0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9,
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0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
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0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
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0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
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0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
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0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
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0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF,
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0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
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0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1,
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0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
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0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB,
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0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
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0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
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0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
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0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97,
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0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
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0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89,
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0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
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0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
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0x41, 0x81, 0x80, 0x40
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};
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public static byte[] Crc16(byte[] pucFrame, int usLen)
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{
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int i = 0;
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byte crcHi = 0xFF;
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byte crcLo = 0xFF;
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ushort iIndex = 0x0000;
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while (usLen-- > 0)
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{
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iIndex = (ushort)(crcLo ^ pucFrame[i++]);
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crcLo = (byte)(crcHi ^ aucCRCHi[iIndex]);
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crcHi = aucCRCLo[iIndex];
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}
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return new byte[] { crcLo, crcHi };
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}
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#endregion
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#region 16进制转字符串ASCII
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/// <summary>
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/// 16进制转字符串ASCII
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/// </summary>
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/// <param name="hs"></param>
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/// <param name="encode"></param>
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/// <returns></returns>
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public static string HexStringToString(string hs, Encoding encode)
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{
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StringBuilder strTemp = new StringBuilder();
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byte[] b = new byte[hs.Length / 2];
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for (int i = 0; i < hs.Length / 2; i++)
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{
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strTemp.Clear();
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strTemp.Append(hs.Substring(i * 2, 2));
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b[i] = Convert.ToByte(strTemp.ToString(), 16);
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}
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return encode.GetString(b);
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}
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#endregion
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#region 16进制转2进制
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/// <summary>
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/// //16转2方法
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/// </summary>
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/// <param name="hexString"></param>
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/// <returns></returns>
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public static string HexString2BinString(string hexString)
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{
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try
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{
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string result = string.Empty;
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foreach (char c in hexString)
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{
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int v = Convert.ToInt32(c.ToString(), 16);
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int v2 = int.Parse(Convert.ToString(v, 2));
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// 去掉格式串中的空格，即可去掉每个4位二进制数之间的空格，
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result += string.Format("{0:d4} ", v2);
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}
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return result;
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message);
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throw;
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}
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}
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#endregion
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#region 字节数组转16进制字符串
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/// <summary>
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/// 字节数组转16进制字符串
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/// </summary>
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/// <param name="bytes"></param>
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/// <returns></returns>
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public static string byteToHexStr(byte[] bytes)
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{
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string returnStr = "";
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if (bytes != null)
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{
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for (int i = 0; i < bytes.Length; i++)
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{
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returnStr += bytes[i].ToString("X2");
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}
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}
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return returnStr;
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}
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#endregion
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#region 16进制原码字符串转字节数组
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/// <summary>
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/// 16进制原码字符串转字节数组
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/// </summary>
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/// <param name="hexString">"AABBCC"或"AA BB CC"格式的字符串</param>
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/// <returns></returns>
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public static byte[] ConvertHexStringToBytes(string hexString)
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{
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hexString = hexString.Replace(" ", "");
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if (hexString.Length % 2 != 0)
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{
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throw new ArgumentException("参数长度不正确");
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}
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byte[] returnBytes = new byte[hexString.Length / 2];
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for (int i = 0; i < returnBytes.Length; i++)
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{
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returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
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}
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return returnBytes;
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}
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#endregion
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#region 根据1/0 转换 True/False
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public static List<bool> O_C(string o_c)
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{
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o_c = o_c.Trim();
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List<bool> result = new List<bool>();
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for (int i = 0; i < o_c.Length; i++)
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{
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if (o_c.Substring(i, 1).Equals("1"))
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{
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result.Add(true);
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}
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else if (o_c.Substring(i, 1).Equals("0"))
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{
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result.Add(false);
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}
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}
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return result;
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}
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#endregion
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#region 16进制转ASI码字符串
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/// <summary>
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/// 将一条十六进制字符串转换为ASCII
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/// </summary>
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/// <param name="hexstring">一条十六进制字符串</param>
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/// <returns>返回一条ASCII码</returns>
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public static string HexStringToASCII(string hexstring)
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{
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byte[] bt = HexStringToBinary(hexstring);
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string lin = "";
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for (int i = 0; i < bt.Length; i++)
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{
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lin = lin + bt[i] + " ";
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}
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string[] ss = lin.Trim().Split(new char[] { ' ' });
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char[] c = new char[ss.Length];
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int a;
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for (int i = 0; i < c.Length; i++)
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{
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a = Convert.ToInt32(ss[i]);
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c[i] = Convert.ToChar(a);
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}
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string b = new string(c);
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return b;
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}
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/**/
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/// <summary>
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/// 16进制字符串转换为二进制数组
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/// </summary>
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/// <param name="hexstring">用空格切割字符串</param>
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/// <returns>返回一个二进制字符串</returns>
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public static byte[] HexStringToBinary(string hexstring)
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{
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|
||
string[] tmpary = hexstring.Trim().Split(' ');
|
||
byte[] buff = new byte[tmpary.Length];
|
||
for (int i = 0; i < buff.Length; i++)
|
||
{
|
||
buff[i] = Convert.ToByte(tmpary[i], 16);
|
||
}
|
||
return buff;
|
||
}
|
||
#endregion
|
||
|
||
#region 配置文件操作
|
||
private static Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
|
||
/// <summary>
|
||
/// 获取配置文件
|
||
/// </summary>
|
||
/// <param name="key"></param>
|
||
/// <returns></returns>
|
||
public static string GetAppSetting(string key)
|
||
{
|
||
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
|
||
{
|
||
string value = config.AppSettings.Settings[key].Value;
|
||
return value;
|
||
}
|
||
else
|
||
{
|
||
return null;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 更新配置文件信息
|
||
/// </summary>
|
||
/// <param name="key"></param>
|
||
/// <param name="value"></param>
|
||
public static void UpdateAppSettings(string key, string value)
|
||
{
|
||
if (GetAppSetting(key) == value) //如果写入的配置文件和之前一致 就不写入了
|
||
return;
|
||
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
|
||
{
|
||
config.AppSettings.Settings[key].Value = value;
|
||
config.Save(ConfigurationSaveMode.Modified);
|
||
ConfigurationManager.RefreshSection("appSettings");//刷新数据
|
||
}
|
||
else
|
||
{
|
||
Console.WriteLine("当前节点不存在!");
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region Telnet 判断某个端口是否开放
|
||
|
||
public static bool TelnetPort(string ip, int port)
|
||
{
|
||
if (checkPingEnable(ip))
|
||
{
|
||
if (checkPortEnable(ip, port))
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
//检查是否ping通
|
||
public static bool checkPingEnable(string _ip)
|
||
{
|
||
bool _isEnable = false;
|
||
try
|
||
{
|
||
Ping pingSender = new Ping();
|
||
PingReply reply = pingSender.Send(_ip, 120);//第一个参数为ip地址，第二个参数为ping的时间
|
||
if (reply.Status == IPStatus.Success)
|
||
{
|
||
_isEnable = true;
|
||
}
|
||
else
|
||
{
|
||
_isEnable = false;
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
_isEnable = false;
|
||
}
|
||
return _isEnable;
|
||
}
|
||
|
||
/// <summary>
|
||
/// telnet port
|
||
/// </summary>
|
||
/// <param name="_ip"></param>
|
||
/// <param name="_port"></param>
|
||
/// <returns></returns>
|
||
public static bool checkPortEnable(string _ip, int _port)
|
||
{
|
||
//将IP和端口替换成为你要检测的
|
||
string ipAddress = _ip;
|
||
int portNum = _port;
|
||
IPAddress ip = IPAddress.Parse(ipAddress);
|
||
IPEndPoint point = new IPEndPoint(ip, portNum);
|
||
|
||
bool _portEnable = false;
|
||
try
|
||
{
|
||
using (Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
|
||
{
|
||
sock.Connect(point);
|
||
//Console.WriteLine("连接{0}成功!", point);
|
||
sock.Close();
|
||
|
||
_portEnable = true;
|
||
}
|
||
}
|
||
catch (SocketException e)
|
||
{
|
||
//Console.WriteLine("连接{0}失败", point);
|
||
_portEnable = false;
|
||
}
|
||
return _portEnable;
|
||
}
|
||
#endregion
|
||
|
||
#region 内存清理
|
||
/// <summary>
|
||
///设置线程工作的空间
|
||
/// </summary>
|
||
/// <param name="process">线程</param>
|
||
/// <param name="minSize">最小空间</param>
|
||
/// <param name="maxSize">最大空间</param>
|
||
/// <returns></returns>
|
||
[System.Runtime.InteropServices.DllImport("kernel32.dll", EntryPoint = "SetProcessWorkingSetSize", ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Ansi, SetLastError = true)]
|
||
private static extern int SetProcessWorkingSetSize(IntPtr process, int minimumWorkingSetSize, int maximumWorkingSetSize);
|
||
public static void ClearMemory(object o)
|
||
{
|
||
GC.Collect();
|
||
GC.SuppressFinalize(o);
|
||
|
||
|
||
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
|
||
{
|
||
SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -1, -1);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region Other
|
||
public static byte[] intoBytes(int value)
|
||
{
|
||
byte[] src = new byte[4]
|
||
{
|
||
(byte)(value & 0xFF),
|
||
(byte)(value >> 8 & 0xFF),
|
||
(byte)(value >> 16 & 0xFF),
|
||
(byte)(value >> 24 & 0xFF)
|
||
};
|
||
return src;
|
||
}
|
||
|
||
public static byte[] shortoBytes(int value)
|
||
{
|
||
byte[] src = new byte[2]
|
||
{
|
||
(byte)(value & 0xFF),
|
||
(byte)(value >> 8 & 0xFF)
|
||
};
|
||
return src;
|
||
}
|
||
#endregion
|
||
|
||
#region TcpClient检测 / Socket检测
|
||
/// <summary>
|
||
/// TcpClient检测
|
||
/// </summary>
|
||
/// <param name="ip">ip地址</param>
|
||
/// <param name="port">端口号</param>
|
||
public static bool TcpClientCheck(string ip, int port)
|
||
{
|
||
IPAddress ipa = IPAddress.Parse(ip);
|
||
IPEndPoint point = new IPEndPoint(ipa, port);
|
||
TcpClient tcp = null;
|
||
|
||
try
|
||
{
|
||
tcp = new TcpClient();
|
||
tcp.Connect(point);
|
||
//Console.WriteLine("端口打开");
|
||
return true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
//Console.WriteLine("计算机端口检测失败，错误消息为：" + ex.Message);
|
||
return false;
|
||
}
|
||
finally
|
||
{
|
||
if (tcp != null)
|
||
{
|
||
tcp.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// Socket检测
|
||
/// </summary>
|
||
/// <param name="ip">ip地址</param>
|
||
/// <param name="port">端口号</param>
|
||
public static bool SocketCheck(string ip, int port)
|
||
{
|
||
Socket sock = null;
|
||
try
|
||
{
|
||
IPAddress ipa = IPAddress.Parse(ip);
|
||
IPEndPoint point = new IPEndPoint(ipa, port);
|
||
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
|
||
sock.Connect(point);
|
||
//Console.WriteLine("端口打开");
|
||
return true;
|
||
}
|
||
catch (SocketException ex)
|
||
{
|
||
//Console.WriteLine("计算机端口检测失败，错误消息为：" + ex.Message);
|
||
return false;
|
||
}
|
||
finally
|
||
{
|
||
if (sock != null)
|
||
{
|
||
sock.Close();
|
||
sock.Dispose();
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region byte数组按长度在前面补0
|
||
/// <summary>
|
||
/// byte数组按长度在前面补0
|
||
/// </summary>
|
||
/// <param name="array"></param>
|
||
/// <param name="targetLength"></param>
|
||
/// <returns></returns>
|
||
/// <exception cref="ArgumentNullException"></exception>
|
||
/// <exception cref="ArgumentOutOfRangeException"></exception>
|
||
public static byte[] PadArrayWithZeros(byte[] array, int targetLength)
|
||
{
|
||
if (array == null)
|
||
throw new ArgumentNullException(nameof(array));
|
||
if (targetLength <= 0)
|
||
throw new ArgumentOutOfRangeException(nameof(targetLength), "Target length must be a positive integer.");
|
||
if (targetLength <= array.Length)
|
||
return array; // No need to pad
|
||
|
||
byte[] paddedArray = new byte[targetLength];
|
||
Array.Copy(array, 0, paddedArray, targetLength - array.Length, array.Length);
|
||
return paddedArray;
|
||
}
|
||
#endregion
|
||
|
||
#region CRC-8 x8+x5+x4+1 0x31(0x131)
|
||
/// <summary>
|
||
/// CRC8位校验表
|
||
/// </summary>
|
||
private static byte[] CRC8Table = new byte[]
|
||
{
|
||
0,94,188,226,97,63,221,131,194,156,126,32,163,253,31,65,
|
||
157,195,33,127,252,162,64,30, 95,1,227,189,62,96,130,220,
|
||
35,125,159,193,66,28,254,160,225,191,93,3,128,222,60,98,
|
||
190,224,2,92,223,129,99,61,124,34,192,158,29,67,161,255,
|
||
70,24,250,164,39,121,155,197,132,218,56,102,229,187,89,7,
|
||
219,133,103,57,186,228,6,88,25,71,165,251,120,38,196,154,
|
||
101,59,217,135,4,90,184,230,167,249,27,69,198,152,122,36,
|
||
248,166,68,26,153,199,37,123,58,100,134,216,91,5,231,185,
|
||
140,210,48,110,237,179,81,15,78,16,242,172,47,113,147,205,
|
||
17,79,173,243,112,46,204,146,211,141,111,49,178,236,14,80,
|
||
175,241,19,77,206,144,114,44,109,51,209,143,12,82,176,238,
|
||
50,108,142,208,83,13,239,177,240,174,76,18,145,207,45,115,
|
||
202,148,118,40,171,245,23,73,8,86,180,234,105,55,213,139,
|
||
87,9,235,181,54,104,138,212,149,203, 41,119,244,170,72,22,
|
||
233,183,85,11,136,214,52,106,43,117,151,201,74,20,246,168,
|
||
116,42,200,150,21,75,169,247,182,232,10,84,215,137,107,53
|
||
};
|
||
|
||
public static byte CRC(byte[] buffer)
|
||
{
|
||
return CRC(buffer, 0, buffer.Length);
|
||
}
|
||
|
||
public static byte CRC(byte[] buffer, int off, int len)
|
||
{
|
||
byte crc = 0;
|
||
if (buffer == null)
|
||
{
|
||
throw new ArgumentNullException("buffer");
|
||
}
|
||
if (off < 0 || len < 0 || off + len > buffer.Length)
|
||
{
|
||
throw new ArgumentOutOfRangeException();
|
||
}
|
||
|
||
for (int i = off; i < len; i++)
|
||
{
|
||
crc = CRC8Table[crc ^ buffer[i]];
|
||
}
|
||
return crc;
|
||
}
|
||
|
||
|
||
#endregion
|
||
}
|
||
}
|