using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.IO.Ports;
using System.Threading;
using SerialPortDemon.Properties;

namespace SerialPortDemon
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
            this.Load += FrmMain_Load;
        }

        private void FrmMain_Load(object sender, EventArgs e)
        {
            InitialSetting();
            this.skinEngine1.SkinFile = Application.StartupPath + "\\IrisSkin4\\Skins\\OneBlue.ssk";
        }

        //串口对象
        private SerialPort serialPort = null;

        private Encoding encoding = Encoding.Default;

        private System.Timers.Timer AutoSendTimer = new System.Timers.Timer();

        private int ClearLimitNum = 4096;

        private Settings DefaultSetting = Settings.Default;

        #region 初始化配置信息
        private void InitialSetting()
        {
            this.AutoSendTimer.Elapsed += AutoSendTimer_Elapsed;

            string[] PortList = SerialPort.GetPortNames();

            if (PortList.Length > 0)
            {
                this.cmb_Port.DataSource = PortList;
                this.cmb_Port.SelectedIndex = 0;
            }

            //波特率 9600
            string[] BaudList = new string[] { "2400", "4800", "9600", "19200", "38400" };
            this.cmb_Baud.DataSource = BaudList;
            this.cmb_Baud.SelectedIndex = 2;

            //校验位 N
            this.cmb_Parity.DataSource = Enum.GetNames(typeof(Parity));
            this.cmb_Parity.SelectedIndex = 0;

            //停止位 1
            this.cmb_StopBits.DataSource = Enum.GetNames(typeof(StopBits));
            this.cmb_StopBits.SelectedIndex = 1;

            //数据位 8
            int[] DataList = new int[] { 5, 6, 7, 8 };
            this.cmb_DataBits.DataSource = DataList;
            this.cmb_DataBits.SelectedIndex = 3;

            //校验方式
            this.cmb_ParityMethod.DataSource = Enum.GetNames(typeof(ParityMethod));
            this.cmb_ParityMethod.SelectedIndex = 0;

            //设置命令按钮
        }

        private void AutoSendTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            Invoke(new Action(() =>
            {
                SendData();
            }));
        }
        #endregion

        //串口状态
        private bool isOpen = false;

        public bool IsOpen
        {
            get { return isOpen; }
            set
            {
                isOpen = value;
                if (value)
                {
                    this.btn_Open.Text = "关闭串口";
                    this.btn_Open.Image = Properties.Resources.poweron;
                }
                else
                {
                    this.btn_Open.Text = "打开串口";
                    this.btn_Open.Image = Properties.Resources.poweroff;
                }
            }
        }

        /// <summary>
        /// 发送字节计数
        /// </summary>

        private int totalSendNum = 0;

        public int TotalSendNum
        {
            get { return totalSendNum; }
            set
            {
                totalSendNum = value;
                this.tssl_SendCount.Text = value.ToString();
            }
        }

        //暂停接收
        private bool isPause = false;

        public bool IsPause
        {
            get { return isPause; }
            set
            {
                isPause = value;

                if (value)
                {
                    this.btn_Pause.Text = "继续接收";
                }
                else
                {
                    this.btn_Pause.Text = "暂时接收";
                }
            }
        }

        private int totalRcvNum = 0;

        public int TotalRcvNum
        {
            get { return totalRcvNum; }
            set
            {
                totalRcvNum = value;
                this.tssl_ReceiveCount.Text = value.ToString();
            }
        }

        //保存文件的名称
        private string SaveFile
        {
            get { return DateTime.Now.ToString("yyyyMMddHHmmss") + ".txt"; }
        }

        //发送数据
        #region 发送数据



        private void SendData()
        {
            if (this.chk_HexSend.Checked)
            {
                //去掉空格  01 04   50
                string temp = this.rtb_Send.Text.Replace(" ", "");

                try
                {
                    byte[] b = HexHelper.HexStringToBytes(temp);

                    serialPort.Write(b, 0, b.Length);

                    TotalSendNum += b.Length;
                }
                catch (Exception ex)
                {
                    this.tssl_Status.Text = "发送失败:" + ex.Message;
                    IsOpen = false;
                }
            }

            else
            {
                try
                {
                    string temp;
                    if (this.cbNewLine.Checked)
                    {
                        temp = this.rtb_Send.Text + "\r\n";
                    }
                    else
                    {
                        temp = this.rtb_Send.Text;
                    }
                    byte[] b = encoding.GetBytes(temp);

                    serialPort.Write(b, 0, b.Length);

                    TotalSendNum += b.Length;
                }
                catch (Exception ex)
                {
                    this.tssl_Status.Text = "发送失败:" + ex.Message;
                    IsOpen = false;
                }
            }
        }
        #endregion
        /// <summary>
        /// 接收字节计数
        /// </summary>

        #region 串口接收事件
        /// <summary>
        /// 串口接收事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            if (IsPause) return; //暂停接收

            Invoke(new Action(() =>
            {
                //定义最终的字符串
                string Result = string.Empty;

                if (this.chk_HexShow.Checked)
                {
                    //定义一个字节数组
                    try
                    {
                        byte[] data = new byte[serialPort.BytesToRead];

                        //读取缓冲区值到字节数组
                        this.serialPort.Read(data, 0, data.Length);

                        //拼接显示
                        foreach (byte item in data)
                        {
                            string hex = Convert.ToString(item, 16).ToUpper(); //转换为16进制大写字符串

                            Result += (hex.Length == 1 ? "0" + hex : hex) + " ";// 16进制数,如果长度为1,则前面补0

                        }
                        //显示
                        this.rtb_Receive.AppendText(Result + Environment.NewLine);

                        //更新接收字节总数
                        TotalRcvNum += data.Length;
                    }

                    catch (Exception ex)
                    {
                        this.tssl_Status.Text = "接收出现错误:" + ex.Message;
                    }

                }
                else
                {
                    try
                    {
                        Result = this.serialPort.ReadExisting();
                        //显示
                        this.rtb_Receive.AppendText(Result + Environment.NewLine);

                        //更新接收字节总数
                        TotalRcvNum += this.serialPort.Encoding.GetByteCount(Result);
                    }

                    catch (Exception ex)
                    {
                        this.tssl_Status.Text = "接收出现错误:" + ex.Message;
                    }
                }

                //是否开启自动清空
                if (this.chk_AutoClear.Checked)
                {
                    if (this.rtb_Receive.Text.Length > ClearLimitNum)
                    {
                        this.rtb_Receive.Clear();
                    }
                }

            }));
        }

        #endregion


        private void btn_Open_Click(object sender, EventArgs e)
        {
            if (IsOpen)
            {
                //串口关闭
                if (this.serialPort != null)
                {
                    if (this.serialPort.IsOpen)
                    {
                        this.serialPort.Close();
                    }

                    IsOpen = false;

                    this.tssl_Status.Text = this.cmb_Port.Text + " 串口关闭成功";
                }
            }
            else
            {
                //串口打开

                //实例化对象

                this.serialPort = new SerialPort();

                //设置串口属性

                try
                {
                    this.serialPort.PortName = this.cmb_Port.Text.Trim();
                    this.serialPort.BaudRate = Convert.ToInt32(this.cmb_Baud.Text.Trim());
                    this.serialPort.Parity = (Parity)Enum.Parse(typeof(Parity), this.cmb_Parity.Text.Trim(), true);
                    this.serialPort.DataBits = Convert.ToInt32(this.cmb_DataBits.Text.Trim());
                    this.serialPort.StopBits = (StopBits)Enum.Parse(typeof(StopBits), this.cmb_StopBits.Text.Trim(), true);

                    this.serialPort.RtsEnable = this.chk_Rts.Checked;
                    this.serialPort.DtrEnable = this.chk_Dtr.Checked;

                    this.serialPort.Encoding = this.encoding; //编码格式

                    this.serialPort.ReceivedBytesThreshold = 1;

                    this.serialPort.DataReceived += SerialPort_DataReceived;

                    if (this.serialPort.IsOpen)
                    {
                        this.serialPort.Close();
                    }
                    this.serialPort.Open();

                    IsOpen = true;

                    this.tssl_Status.Text = this.cmb_Port.Text + " 串口打开成功";
                }
                catch (Exception ex)
                {
                    this.tssl_Status.Text = this.cmb_Port.Text + " 串口打开失败:" + ex.Message;
                }
            }
        }


        //手动发送
        private void btn_HandSend_Click(object sender, EventArgs e)
        {
            SendData();
        }

        //发送清除
        private void btn_SendClear_Click(object sender, EventArgs e)
        {
            this.rtb_Send.Clear();
        }

        //自动发送
        private void chk_AutoSend_CheckedChanged(object sender, EventArgs e)
        {
            if (isOpen==false && this.chk_AutoSend.CheckState == CheckState.Checked)
            {
                this.chk_AutoSend.CheckState = CheckState.Unchecked;

                //停止定时器
                this.AutoSendTimer.Enabled = false;

                this.tssl_Status.Text = "自动发送失败,串口未打开";
                return;
            }

            if (IsOpen == true && this.chk_AutoSend.CheckState == CheckState.Checked)
            {
                //禁用手动发送
                this.btn_HandSend.Enabled = false;
                //获取时间周期

                int interval = 0;

                if (int.TryParse(this.txt_Period.Text.Trim(), out interval))
                {
                    if (interval < 1 || interval > 60000)
                    {
                        interval = 1000;
                        txt_Period.Text = "1000";
                        this.tssl_Status.Text = "周期设定过大,限制为1000ms";
                    }

                    //开始自动发送

                    this.AutoSendTimer.Interval = interval;
                    this.AutoSendTimer.Enabled = true;

                    //禁用周期设置
                    this.txt_Period.Enabled = false;

                }
                else
                {
                    this.chk_AutoSend.CheckState = CheckState.Unchecked;

                    //停止定时器
                    this.AutoSendTimer.Enabled = false;

                    this.tssl_Status.Text = "自动发送失败,周期设定格式不正确";
                    return;
                }
            }
            else
            {
                this.btn_HandSend.Enabled = true;
                this.txt_Period.Enabled = true;
                this.AutoSendTimer.Enabled = false;
            }
        }

        //选择文件
        private void btn_OpenFile_Click(object sender, EventArgs e)
        {
            //创建OpenFileDialog
            OpenFileDialog dialog = new OpenFileDialog();

            //设置OpenFileDialog属性
            dialog.Title = "请选择要发送的文件";
            dialog.Filter = "文本文件(*.txt)|*.txt|二进制文件(*.bin)|*.bin|HEX文件(*.hex)|*.hex";
            dialog.RestoreDirectory = true;

            //打开OpenFileDialog

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                //把十六进制的选择取消
                this.chk_HexSend.Checked = false;

                //获取文件的名称并显示
                string fileName = dialog.FileName;
                this.txt_SendPath.Text = fileName;

                //读取内容显示
                StreamReader sr = new StreamReader(fileName, encoding);

                this.rtb_Send.Text = sr.ReadToEnd();

                sr.Close();

            }
        }

        //暂停接收
        private void btn_Pause_Click(object sender, EventArgs e)
        {
            IsPause = !IsPause;
        }

        //选择路径
        private void btn_SelectPath_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog dialog = new FolderBrowserDialog();
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                this.txt_SavePath.Text = dialog.SelectedPath;
            }
        }

        //保存数据
        private void btn_SaveFile_Click(object sender, EventArgs e)
        {
            if (this.rtb_Receive.Text.Length == 0)
            {
                this.tssl_Status.Text = "接收数据为空,请检查!";
                return;
            }

            if (this.txt_SavePath.Text.Length == 0)
            {
                this.tssl_Status.Text = "请先设置要保存的路径!";
                return;
            }

            string savePath = this.txt_SavePath.Text + "\\" + SaveFile;

            //创建写入器
            StreamWriter sw = new StreamWriter(savePath);
            sw.Write(this.rtb_Receive.Text);
            sw.Flush();
            sw.Close();

            this.tssl_Status.Text = "文件" + SaveFile + "保存成功";
        }

        //命令模式
        private void btn_SendCommand_Click(object sender, EventArgs e)
        {
            //验证数据

            bool DataVerify = true;

            if (this.chk_Head.Checked)
            {
                DataVerify &= VerifyHexString(this.txt_Head.Text.Trim());
            }
            if (this.chk_Data.Checked)
            {
                DataVerify &= VerifyHexString(this.txt_Data.Text.Trim());
            }
            if (this.chk_Tail.Checked)
            {
                DataVerify &= VerifyHexString(this.txt_Tail.Text.Trim());
            }

            if (!DataVerify)
            {
                this.tssl_Status.Text = "命令模式填写的数据格式不正确!";
                return;
            }

            if (IsOpen)
            {
                string fullCmd = string.Empty;

                //是否选择帧头
                if (this.chk_Head.Checked)
                {
                    fullCmd += this.txt_Head.Text;
                }

                //是否选择数据
                if (this.chk_Data.Checked)
                {
                    fullCmd += this.txt_Data.Text;
                }

                //是否选择校验

                if (this.chk_Parity.Checked)
                {
                    fullCmd = fullCmd.Replace(" ", "");

                    ParityMethod parityMethod = (ParityMethod)Enum.Parse(typeof(ParityMethod), this.cmb_ParityMethod.Text, true);

                    switch (parityMethod)
                    {
                        case ParityMethod.XOR异或:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataXORFull(HexHelper.HexStringToBytes(fullCmd)));
                            break;
                        case ParityMethod.SUM8累加:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataSum8Full(HexHelper.HexStringToBytes(fullCmd)));
                            break;
                        case ParityMethod.SUM16大端:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataSum16Full(HexHelper.HexStringToBytes(fullCmd), ParityHelper.BigOrLittle.BigEndian));
                            break;
                        case ParityMethod.SUM16小端:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataSum16Full(HexHelper.HexStringToBytes(fullCmd), ParityHelper.BigOrLittle.LittleEndian));
                            break;
                        case ParityMethod.CRC16大端:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataCrc16Full_Ccitt(HexHelper.HexStringToBytes(fullCmd), ParityHelper.BigOrLittle.BigEndian));
                            break;
                        case ParityMethod.CRC16小端:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataCrc16Full_Ccitt(HexHelper.HexStringToBytes(fullCmd), ParityHelper.BigOrLittle.LittleEndian));
                            break;
                        case ParityMethod.ModbusCRC大端:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataCrc16Full_Modbus(HexHelper.HexStringToBytes(fullCmd), ParityHelper.BigOrLittle.BigEndian));
                            break;
                        case ParityMethod.ModbusCRC小端:
                            fullCmd = HexHelper.BytesToHexString(ParityHelper.DataCrc16Full_Modbus(HexHelper.HexStringToBytes(fullCmd), ParityHelper.BigOrLittle.LittleEndian));
                            break;
                        default:
                            break;
                    }
                }

                //是否选择帧尾
                if (this.chk_Tail.Checked)
                {
                    fullCmd += this.txt_Tail.Text;
                }

                this.rtb_Send.Text = fullCmd;

                SendCommand(fullCmd);

            }
            else
            {
                this.tssl_Status.Text = "命令模式发送失败:串口未连接";
            }
        }

        #region 发送字符串命令
        /// <summary>
        /// 发送字符串命令
        /// </summary>
        /// <param name="cmdContent">发送的16进制字符串</param>
        private void SendCommand(string cmdContent)
        {
            this.rtb_Send.Text = cmdContent;

            //处理空格
            cmdContent = cmdContent.Replace(" ", "");

            try
            {
                this.serialPort.Write(HexHelper.HexStringToBytes(cmdContent), 0, HexHelper.GetByteCount(cmdContent));

                //更新发送计数
                TotalSendNum += HexHelper.GetByteCount(cmdContent);
            }
            catch (Exception ex)
            {
                this.tssl_Status.Text = "发送失败:" + ex.Message;
            }
        }
        #endregion

        /// <summary>
        /// 验证数据是否为16进制字符串 
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        private bool VerifyHexString(string str)
        {
            string temp = str.Replace(" ", "");

            return HexHelper.IsHexString(temp) && temp.Length % 2 == 0;
        }

        private void btn_HandClear_Click(object sender, EventArgs e)
        {
            this.rtb_Receive.Clear();
        }

        private void chk_Rts_CheckedChanged(object sender, EventArgs e)
        {
            if (this.serialPort != null)
            {
                this.serialPort.RtsEnable = this.chk_Rts.Checked; //数据终端准备好
            }
        }
        /*
        DB9只有9根线,遵循RS232标准。定义如下:
        DTR,DSR------DTE设备准备好/DCE设备准备好。主流控信号。
        RTS,CTS------请求发送/清除发送。用于半双工时,收发切换。属于辅助流控信号。半双工的意思是说,发的时候不收,收的时候不发。
         */
        private void chk_Dtr_CheckedChanged(object sender, EventArgs e)
        {
            if (this.serialPort != null)
            {
                this.serialPort.DtrEnable = this.chk_Dtr.Checked; //请求发送  RTS
            }
        }

        private void tssl_Clear_Click(object sender, EventArgs e)
        {
            TotalSendNum = TotalRcvNum = 0;
        }

        #region 编码格式设置
        //
        
        private void tsmi_Ascii_Click(object sender, EventArgs e)
        {
            this.encoding = Encoding.ASCII;
        }

        private void tsmi_Utf8_Click(object sender, EventArgs e)
        {
            this.encoding = Encoding.UTF8;
        }

        private void tsmi_default_Click(object sender, EventArgs e)
        {
            this.encoding = Encoding.Default;
        }

        private void tsmi_unicode_Click(object sender, EventArgs e)
        {
            this.encoding = Encoding.Unicode;
        }

        private void tsmi_gb3212_Click(object sender, EventArgs e)
        {
            this.encoding = Encoding.GetEncoding("GB2312");
        }
        #endregion
    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace SerialPortDemon
{
   public  class HexHelper
    {

        #region  判断是否为16进制字符串
        /// <summary>
        /// 判断是否为16进制字符串
        /// </summary>
        /// <param name="hexString"></param>
        /// <returns></returns>
        public static bool IsHexString(string hexString)
        {
            //十六进制发送时,发送框数据进行十六进制数据正则校验
            if (Regex.IsMatch(hexString, "^[0-9A-Fa-f]+$"))
            {
                //校验成功
                return true;
            }
            //校验失败
            return false;
        }
        #endregion

        #region 将ASCII码字符串转换成16进制字符串
        /// <summary>
        /// 将ascii字符串转换成Hex显示
        /// </summary>
        /// <param name="asciiString"></param>
        /// <returns></returns>
        public static string ConvertStringToHexString(string asciiString,Encoding encoding)
        {
            string hexString = "";
            asciiString = asciiString.Replace("\n", "\r\n");                //解决richTextBox获取不到"\r\n"换行符
            byte[] arrByte = encoding.GetBytes(asciiString);
            foreach (char c in arrByte)
            {
                int tmp = c;
                hexString += String.Format("{0:x2}", (uint)System.Convert.ToUInt32(tmp.ToString())).ToUpper() + " ";
            }
            return hexString;
        }

        #endregion

        #region 将16进制字符串转换成ASCII码字符串
        /// <summary>
        /// 将Hex转换成ascii字符串显示
        /// </summary>
        /// <param name="hexString"></param>
        /// <returns></returns>
        public static string ConvertHexStringToString(string hexString, Encoding encoding)
        {
            string result = string.Empty;
            hexString = hexString.Replace(" ", "");
            //解决十六进制出现单数据问题,以补0
            if (hexString.Length % 2 == 1)
            {
                hexString = hexString.Insert(hexString.Length - 1, "0");
            }
            byte[] arrByte = new byte[hexString.Length / 2];
            int index = 0;
            for (int i = 0; i < hexString.Length; i += 2)
            {
                //Convert.ToByte(string,16)把十六进制string转化成byte 
                arrByte[index++] = Convert.ToByte(hexString.Substring(i, 2), 16);
            }
            result = encoding.GetString(arrByte);
            return result;
        }
        #endregion

        #region 获取16进制字符串的字节数
        /// <summary>
        /// 获取hexString中Byte数量
        /// </summary>
        /// <param name="hexString"></param>
        /// <returns></returns>
        public static int GetByteCount(string hexString)
        {
            if (IsHexString(hexString) && (hexString.Length % 2 == 0))
            {
                // 2 characters per byte
                return hexString.Length / 2;
            }
            else
            {
                return 0;
            }
        }
        #endregion

        #region 单个16进制数转字节
        /// <summary>
        /// 16进制数转字节
        /// </summary>
        /// <param name="hex"></param>
        /// <returns></returns>
        private static byte HexToByte(string hex)
        {
            if (hex.Length > 2 || hex.Length <= 0)
                throw new ArgumentException("hex must be 1 or 2 characters in length");
            byte newByte = byte.Parse(hex, System.Globalization.NumberStyles.HexNumber);
            return newByte;
        }
        #endregion

        #region 16进制字符串转换成字节数组
        /// <summary>
        ///  16进制字符串转换成字节数组
        /// </summary>
        /// <param name="hexString"></param>
        /// <returns></returns>
        public static byte[] HexStringToBytes(string hexString)
        {
            //string newString = "";

            if (IsHexString(hexString) == false)
            { return null; }

            int byteLength = hexString.Length / 2;
            byte[] bytes = new byte[byteLength];
            string hex;
            int j = 0;
            for (int i = 0; i < bytes.Length; i++)
            {
                hex = new String(new Char[] { hexString[j], hexString[j + 1] });
                bytes[i] = HexToByte(hex);
                j = j + 2;
            }
            return bytes;
        }
        #endregion

        #region 字节数组转换成16进制字符串
        /// <summary>
        /// 字节数组转出成16进制字符串
        /// </summary>
        /// <param name="bytes"></param>
        /// <returns></returns>
        public static string BytesToHexString(byte[] bytes)
        {
            string hexString = "";
            for (int i = 0; i < bytes.Length; i++)
            {
                hexString += bytes[i].ToString("X2");
            }
            return hexString;
        }
        #endregion

        #region 拼接字节数组
        public static byte[] ConcatArrays(byte[] first, byte[] second)
        {
            byte[] ret = new byte[first.Length + second.Length];
            Buffer.BlockCopy(first, 0, ret, 0, first.Length);
            Buffer.BlockCopy(second, 0, ret, first.Length, second.Length);
            return ret;
        }

        public static byte[] ConcatArrays(byte[] first, byte[] second, byte[] third)
        {
            byte[] ret = new byte[first.Length + second.Length + third.Length];
            Buffer.BlockCopy(first, 0, ret, 0, first.Length);
            Buffer.BlockCopy(second, 0, ret, first.Length, second.Length);
            Buffer.BlockCopy(third, 0, ret, first.Length + second.Length,
                             third.Length);
            return ret;
        }

        public static byte[] ConcatArrays(params byte[][] arrays)
        {
            byte[] ret = new byte[arrays.Sum(x => x.Length)];
            int offset = 0;
            foreach (byte[] data in arrays)
            {
                Buffer.BlockCopy(data, 0, ret, offset, data.Length);
                offset += data.Length;
            }
            return ret;
        }
        #endregion

    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SerialPortDemon
{
    public class ParityHelper
    {
        /// <summary>
        /// 校验类型
        /// </summary>
        public const string XOR异或校验 = "XOR异或校验";
        public const string SUM8累加校验 = "SUM8累加校验";
        public const string ModBusLRC校验 = "ModBusLRC校验";
        public const string CRC16小端 = "CRC16小端";
        public const string CRC16大端 = "CRC16大端";
        public const string SUM16小端 = "SUM16小端";
        public const string SUM16大端 = "SUM16大端";
        public const string ModBusCRC小端 = "ModBusCRC小端";
        public const string ModBusCRC大端 = "ModBusCRC大端";

        /// <summary>
        /// 大小端数据模式
        /// </summary>
        public enum BigOrLittle
        {
            //大端
            BigEndian = 0,
            //小端
            LittleEndian = 1
        }

        #region 数据翻转

        /// <summary>
        /// 翻转byte数组
        /// </summary>
        /// <param name="bytes"></param>
        public static void ReverseBytes(byte[] bytes)
        {
            byte tmp;
            int len = bytes.Length;

            for (int i = 0; i < len / 2; i++)
            {
                tmp = bytes[len - 1 - i];
                bytes[len - 1 - i] = bytes[i];
                bytes[i] = tmp;
            }
        }

        /// <summary>
        /// 规定转换起始位置和长度
        /// </summary>
        /// <param name="bytes"></param>
        /// <param name="start"></param>
        /// <param name="len"></param>
        public static void ReverseBytes(byte[] bytes, int start, int len)
        {
            int end = start + len - 1;
            byte tmp;
            int i = 0;
            for (int index = start; index < start + len / 2; index++, i++)
            {
                tmp = bytes[end - i];
                bytes[end - i] = bytes[index];
                bytes[index] = tmp;
            }
        }

        /// <summary>
        /// 翻转字节顺序 (16-bit)
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static UInt16 ReverseBytes(UInt16 value)
        {
            return (UInt16)((value & 0xFFU) << 8 | (value & 0xFF00U) >> 8);
        }

        /// <summary>
        /// 翻转字节顺序 (32-bit)
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static UInt32 ReverseBytes(UInt32 value)
        {
            return (value & 0x000000FFU) << 24 | (value & 0x0000FF00U) << 8 |
                   (value & 0x00FF0000U) >> 8 | (value & 0xFF000000U) >> 24;
        }

        /// <summary>
        /// 翻转字节顺序 (64-bit)
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static UInt64 ReverseBytes(UInt64 value)
        {
            return (value & 0x00000000000000FFUL) << 56 | (value & 0x000000000000FF00UL) << 40 |
                   (value & 0x0000000000FF0000UL) << 24 | (value & 0x00000000FF000000UL) << 8 |
                   (value & 0x000000FF00000000UL) >> 8 | (value & 0x0000FF0000000000UL) >> 24 |
                   (value & 0x00FF000000000000UL) >> 40 | (value & 0xFF00000000000000UL) >> 56;
        }

        #endregion

        #region 校验和  

        /// <summary>  
        /// 异或校验和 
        /// </summary>  
        /// <param name="data">要校验的数据数组</param>  
        /// <returns>校验和值</returns>  
        public static byte[] DataXOR(byte[] data)
        {
            byte check = 0;
            for (int i = 0; i < data.Length; i++)
            {
                check ^= data[i];
            }
            return new byte[] { check };
        }

        /// <summary>  
        /// 异或校验和
        /// </summary>  
        /// <param name="data">要校验的数据数组</param>  
        /// <returns>校验的数据数组+校验和</returns>  
        public static byte[] DataXORFull(byte[] data)
        {
            byte[] check = DataXOR(data);
            List<byte> newdata = new List<byte>();
            newdata.AddRange(data);
            newdata.AddRange(check);
            return newdata.ToArray();
        }

        /// <summary>
        /// 累加校验和
        /// </summary>
        /// <param name="data">要校验的数据数组</param>
        /// <returns>返回校验和结果</returns>
        public static byte[] DataSum8(byte[] data)
        {
            byte check = 0;
            for (int i = 0; i < data.Length; i++)
            {
                check = (byte)((check + data[i]) % 0xff);
            }
            //返回累加校验和
            return new byte[] { check };
        }

        /// <summary>  
        /// 累加校验和
        /// </summary>  
        /// <param name="data">要校验的数据数组</param>  
        /// <returns>校验的数据数组+校验和</returns>  
        public static byte[] DataSum8Full(byte[] data)
        {
            byte[] check = DataSum8(data);
            List<byte> newdata = new List<byte>();
            newdata.AddRange(data);
            newdata.AddRange(check);
            return newdata.ToArray();
        }

        /// <summary>
        /// 累加校验和
        /// </summary>
        /// <param name="data">要校验的数据数组</param>
        /// <param name="mode">大小端模式</param>
        /// <returns>返回校验和结果</returns>
        public static byte[] DataSum16(byte[] data, BigOrLittle mode)
        {
            int num = 0;
            for (int i = 0; i < data.Length; i++)
            {
                num = (num + data[i]) % 0xffff;
            }
            //返回累加校验和
            if (mode == BigOrLittle.LittleEndian)

                return BitConverter.GetBytes(ReverseBytes((UInt16)num));
            else
                return BitConverter.GetBytes((UInt16)num);
        }

        /// <summary>  
        /// 累加校验和
        /// </summary>  
        /// <param name="data">要校验的数据数组</param>  
        /// <param name="mode">大小端模式</param>
        /// <returns>校验的数据数组+校验和</returns>  
        public static byte[] DataSum16Full(byte[] data, BigOrLittle mode)
        {
            byte[] check = DataSum16(data, mode);
            List<byte> newdata = new List<byte>();
            newdata.AddRange(data);
            newdata.AddRange(check);
            return newdata.ToArray();
        }

        #endregion

        #region CRC校验
        /// <summary>
        /// CRC16-CCITT(初始值FFFF,多项式1021,异或值FFFF,异或输出,表逆序,算法逆序)
        /// </summary>
        private static int[] CRC16_CCITT_TABLE = {
            0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
            0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
            0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
            0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
            0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
            0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
            0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
            0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
            0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
            0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
            0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
            0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
            0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
            0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
            0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
            0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
            0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
            0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
            0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
            0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
            0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
            0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
            0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
            0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
            0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
            0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
            0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
            0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
            0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
            0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
            0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
            0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
        };

        /// <summary>
        /// CRC16-CCITT CRC校验
        /// </summary>
        /// <param name="data">要校验的数据数组</param>
        /// <param name="mode">大小端模式</param>
        /// <returns>校验结果</returns>
        public static byte[] DataCrc16_Ccitt(byte[] data, BigOrLittle mode)
        {
            UInt16 check = 0x0000;
            int i, j;
            for (i = 0; i < data.Length; i++)
            {
                check ^= (UInt16)((UInt16)data[i] << 8);
                for (j = 0; j < 8; j++)
                {
                    if ((check & 0x8000) != 0)
                    {
                        check <<= 1;
                        check ^= 0x1021;
                    }
                    else
                    {
                        check <<= 1;
                    }
                }
            }
            if (mode == BigOrLittle.LittleEndian)

                return BitConverter.GetBytes(ReverseBytes(check));
            else
                return BitConverter.GetBytes(check);
        }

        /// <summary>
        /// CRC16-CCITT CRC校验
        /// </summary>
        /// <param name="data">要校验的数据数组</param>
        /// <param name="mode">大小端模式</param>
        /// <returns>校验是数据数组+校验值</returns>
        public static byte[] DataCrc16Full_Ccitt(byte[] data, BigOrLittle mode)
        {
            byte[] check = DataCrc16_Ccitt(data, mode);
            List<byte> newdata = new List<byte>();
            newdata.AddRange(data);
            newdata.AddRange(check);
            return newdata.ToArray();
        }

        /// <summary>
        /// CRC16-MODBUS CRC校验
        /// </summary>
        /// <param name="data">要校验的数据数组</param>
        /// <param name="mode">大小端模式</param>
        /// <returns>校验值</returns>
        public static byte[] DataCrc16_Modbus(byte[] data, BigOrLittle mode)
        {
            UInt16 check = 0xFFFF;
            int i, j;
            for (i = 0; i < data.Length; i++)
            {
                check ^= data[i];
                for (j = 0; j < 8; j++)
                {
                    if ((check & 0x0001) != 0)
                    {
                        check >>= 1;
                        check ^= 0xA001;
                    }
                    else
                    {
                        check >>= 1;
                    }
                }
            }
            if (mode == BigOrLittle.LittleEndian)

                return BitConverter.GetBytes(check);
            else
                return BitConverter.GetBytes(ReverseBytes(check));
        }

        /// <summary>
        /// CRC16-MODBUS CRC
        /// </summary>
        /// <param name="data">要校验的数据数组</param>
        /// <param name="mode">大小端模式</param>
        /// <returns>校验是数据数组+校验值</returns>
        public static byte[] DataCrc16Full_Modbus(byte[] data, BigOrLittle mode)
        {
            byte[] check = DataCrc16_Modbus(data, mode);
            List<byte> newdata = new List<byte>();
            newdata.AddRange(data);
            newdata.AddRange(check);
            return newdata.ToArray();
        }

        #endregion

        #region LRC校验



        #endregion



    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SerialPortDemon
{
    public enum ParityMethod
    {
        XOR异或,
        SUM8累加,
        SUM16大端,
        SUM16小端,
        CRC16大端,
        CRC16小端,
        ModbusCRC大端,
        ModbusCRC小端,
    }
}