串口调适

using System;
using System.Windows.Forms;
using System.IO.Ports;
using System.Drawing;
using System.IO;
using System.Text;
using System.Collections;
using System.Threading;
using System.Runtime.InteropServices;

namespace SerialPortAssistant
{
    public partial class FrmMain : Form
    {

        

        class TextAndValue
        {
            private string _RealValue = "";
            private string _DisplayText = "";
            public string DisplayText
            {
                get
                {
                    return _DisplayText;
                }
            }
            public string RealValue
            {
                get
                {
                    return _RealValue;
                }
            }
            public TextAndValue(string ShowText, string RealVal)
            {
                _DisplayText = ShowText;
                _RealValue = RealVal;
            }
            public override string ToString()
            {
                return _RealValue.ToString();
            }
        }
        public FrmMain()
        {
            InitializeComponent();
        }

        public string msg = "";
        public ArrayList commmand = new ArrayList();

        private void FrmMain_Load(object sender, EventArgs e)
        {
            #region 加载配置
            LoadCansu();
            #endregion
        }

        #region 加载参数
        //加载参数
        public void LoadCansu()
        {
            //如果有配置 则读取配置文件
            if (File.Exists(Application.StartupPath + @"\SerConfig.wjs"))
            {
                using (StreamReader sr = new StreamReader(Application.StartupPath + @"\SerConfig.wjs", Encoding.UTF8))
                {
                    comboBox1.SelectedItem = sr.ReadLine();
                    comboBox2.SelectedItem = sr.ReadLine();
                    comboBox3.SelectedItem = sr.ReadLine();
                    comboBox4.SelectedItem = sr.ReadLine();
                    comboBox5.SelectedItem = sr.ReadLine();
                }
            }
            else
            {
                comboBox1.SelectedIndex = 2;
                comboBox2.SelectedIndex = 6;
                comboBox3.SelectedIndex = 0;
                comboBox4.SelectedIndex = 0;
                comboBox5.SelectedIndex = 0;
            }
            FrmMain.CheckForIllegalCrossThreadCalls = false; 

            txt_csdy.Text = iniHelpers.ContentValue("f初始电压");
            txt_jsdy.Text = iniHelpers.ContentValue("f结束电压");
            txt_jxsj.Text = iniHelpers.ContentValue("f静息时间");
            txt_jxdy.Text = iniHelpers.ContentValue("f静息电压");
            txt_fjsj.Text = iniHelpers.ContentValue("f富集时间");
            txt_fjdy.Text = iniHelpers.ContentValue("f富集电压");
            txt_mczq.Text = iniHelpers.ContentValue("f脉冲周期");
            txt_cyjg.Text = iniHelpers.ContentValue("f采样间隔");
            txt_mckd.Text = iniHelpers.ContentValue("f脉冲宽度");
            txt_bjdy.Text = iniHelpers.ContentValue("f步进电压");
            txt_mcfd.Text = iniHelpers.ContentValue("f脉冲幅度");

            text_csdy.Text = iniHelpers.ContentValue("g初始电压");
            text_jsdy.Text = iniHelpers.ContentValue("g结束电压");
            text_jxsj.Text = iniHelpers.ContentValue("g静息时间");
            text_bjsd.Text = iniHelpers.ContentValue("g步进速度");
            text_dgsj.Text = iniHelpers.ContentValue("g镀汞时间");
            text_cybjdy.Text = iniHelpers.ContentValue("g采样步进电压");
            text_jxsj.Text = iniHelpers.ContentValue("g静息时间");
            text_jxdw.Text = iniHelpers.ContentValue("g静息点位");



            //连通阀加载  
            ArrayList al = new ArrayList();
            al.Add(new TextAndValue("系统1", iniHelpers.ContentValue("系统1")));
            al.Add(new TextAndValue("系统2", iniHelpers.ContentValue("系统2")));
            al.Add(new TextAndValue("系统3", iniHelpers.ContentValue("系统3")));
            cmb_yq.DataSource = al;
            cmb_yq.DisplayMember = "DisplayText";
            cmb_yq.ValueMember = "RealValue";

        } 
        #endregion


        //打开串口
        private void button1_Click(object sender, EventArgs e)
        {
            if (button1.Text == "打开串口")
            {
                //打开串口
                try
                {
                    serialPort1.PortName = comboBox1.SelectedItem.ToString();
                    serialPort1.BaudRate = Convert.ToInt32(comboBox2.SelectedItem.ToString());
                    switch (comboBox3.SelectedIndex)
                    {
                        case 0:
                            serialPort1.Parity = Parity.None;
                            break;
                        case 1:
                            serialPort1.Parity = Parity.Odd;
                            break;
                        case 2:
                            serialPort1.Parity = Parity.Even;
                            break;
                        case 3:
                            serialPort1.Parity = Parity.Mark;
                            break;
                        case 4:
                            serialPort1.Parity = Parity.Space;
                            break;
                    }

                    serialPort1.DataBits = Convert.ToInt32(comboBox4.SelectedItem.ToString());

                    switch (comboBox5.SelectedIndex)
                    {
                        case 0:
                            serialPort1.StopBits = StopBits.One;
                            break;
                        case 1:
                            serialPort1.StopBits = StopBits.Two;
                            break;
                        case 2:
                            serialPort1.StopBits = StopBits.OnePointFive;
                            break;
                    }
                    serialPort1.Open();
                    panel1.BackColor = Color.LawnGreen;
                    comboBox1.Enabled = false;
                    comboBox2.Enabled = false;
                    comboBox3.Enabled = false;
                    comboBox4.Enabled = false;
                    comboBox5.Enabled = false;
                    tssl01.Text = "串口" + comboBox1.SelectedItem.ToString() + "已经打开";
                    button1.Text = "关闭串口";
                   // timer2.Start();
                }
                catch (Exception)
                {
                    MessageBox.Show("串口打开失败" + "\n" + "1.请检查配置的参数是否正确" + "\n" + "2.外围设备是否没有连接" + "\n" + "3.串口是否已经打开或被占用" + "\n" + "4.串口驱动是否没有安装");
                }
            }
            else
            {
                serialPort1.Close();
                panel1.BackColor = Color.Red;
                comboBox1.Enabled = true;
                comboBox2.Enabled = true;
                comboBox3.Enabled = true;
                comboBox4.Enabled = true;
                comboBox5.Enabled = true;
                tssl01.Text = "串口" + comboBox1.SelectedItem.ToString() + "已经关闭";
                button1.Text = "打开串口";
            }
        }


        #region 清空缓存区
        //清空缓存区
        private void button4_Click(object sender, EventArgs e)
        {
            if (serialPort1.IsOpen)
            {
                serialPort1.DiscardInBuffer();
                textBox1.Text = "";
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (serialPort1.IsOpen)
            {
                serialPort1.DiscardOutBuffer();
            }
        } 
        #endregion

        #region 保存配置
        private void button6_Click(object sender, EventArgs e)
        {
            if (serialPort1.IsOpen)
            {
                using (StreamWriter sw = new StreamWriter(Application.StartupPath + @"\SerConfig.wjs", false, Encoding.UTF8))
                {
                    sw.WriteLine(comboBox1.SelectedItem.ToString());
                    sw.WriteLine(comboBox2.SelectedItem.ToString());
                    sw.WriteLine(comboBox3.SelectedItem.ToString());
                    sw.WriteLine(comboBox4.SelectedItem.ToString());
                    sw.WriteLine(comboBox5.SelectedItem.ToString());
                    sw.Flush();
                }
                MessageBox.Show("配置已成功保存 下次程序启动后会自动读取配置");
            }
            else
            {
                MessageBox.Show("只有成功打开了串口 才能保存配置");
            }
        } 
        #endregion

      
        private void button2_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFile = new OpenFileDialog();
            openFile.Filter = "存储有命令的文本文件|*.txt";
            openFile.ShowDialog();

            if (openFile.FileName.Length > 0)
            {
                using (StreamReader sr = new StreamReader(openFile.FileName, Encoding.UTF8))
                {
                    while (!sr.EndOfStream)
                    {
                        commmand.Add(sr.ReadLine());
                    }
                }
            }
        }

        public int type = 0;
        //发送命令
        private void button5_Click(object sender, EventArgs e)
        {

            string msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + textBox2.Text;
            serialPort1.Write(msg);
            MessageBox.Show("命令发送完成！！！");
            //if (serialPort1.IsOpen)
            //{
            //    if (button5.Text == "开始发送")
            //    {
            //        if (checkBox1.Checked == true)
            //        {
            //            type = 1;
            //            timer1.Interval = Convert.ToInt32(numericUpDown1.Value) * 1000;
            //            timer1.Enabled = true;
            //            button1.Enabled = false;
            //        }
            //        else
            //        {
            //            TimerAction.timerAction(this,type);
            //        }            
            //    }
            //    else if (button5.Text == "停止发送")
            //    {
            //        timer1.Enabled = false;
            //        button1.Enabled = true;
            //        textBox1.Text = "";
            //        groupBox2.Enabled = true;
            //        button5.Text = "开始发送";
            //    }
            //}
            //else
            //{
            //    timer1.Enabled = false;
            //    groupBox2.Enabled = true;
            //    textBox1.Text = "";
            //    button5.Text = "开始发送";
            //    MessageBox.Show("请先打开串口 再发送数据");
            //}
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            TimerAction.timerAction(this,type);
        }

        //check改变事件
        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            if (checkBox1.Checked == true)
            {
                numericUpDown1.Enabled = true;
            }
            else
            {
                numericUpDown1.Enabled = false;
            }
        }

        //串中接收事件
        private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
            //try
            //{
            //    string text = string.Empty;
            //    byte[] result = new byte[serialPort1.BytesToRead];

            //    serialPort1.Read(result, 0, serialPort1.BytesToRead);

            //    foreach (byte b in result)
            //    {
            //        text = text + Convert.ToString(b, 16);
            //    }
            //    textBox1.Text = text;

            //    if (text.Length==10)
            //    {
            //        string[] getSz = GetArrayFromString(text);
            //        txt_zn.Text = getSz[0];
            //        txt_cd.Text = getSz[1];
            //        txt_pb.Text = getSz[2];
            //        txt_cu.Text = getSz[3]; 
            //    }
              
            //}
            //catch (Exception err)
            //{
            //    MessageBox.Show(err.Message);
            //}
        }

        //保存循环伏安法参数
        private void btn_save_xhfaf_Click(object sender, EventArgs e)
        {
            iniHelpers.write("f", "----------------f代表循环伏安法参数----------------------");
            iniHelpers.write("f初始电压", txt_csdy.Text.Trim());
            iniHelpers.write("f结束电压", txt_jsdy.Text.Trim());
            iniHelpers.write("f静息时间", txt_jxsj.Text.Trim());
            iniHelpers.write("f静息电压", txt_jxdy.Text.Trim());
            iniHelpers.write("f富集时间", txt_fjsj.Text.Trim());
            iniHelpers.write("f富集电压", txt_fjdy.Text.Trim());
            iniHelpers.write("f脉冲周期", txt_mczq.Text.Trim());
            iniHelpers.write("f采样间隔", txt_cyjg.Text.Trim());
            iniHelpers.write("f脉冲宽度", txt_mckd.Text.Trim());
            iniHelpers.write("f步进电压", txt_bjdy.Text.Trim());
            iniHelpers.write("f脉冲幅度", txt_mcfd.Text.Trim());
            MessageBox.Show("循环伏安法参数保存成功！！！");
        }

        //镀汞参数设置
        private void btn_save_dg_Click(object sender, EventArgs e)
        {
            iniHelpers.write("g", "-----------------g代表镀汞参数--------------------");
            iniHelpers.write("g初始电压", text_csdy.Text.Trim());
            iniHelpers.write("g结束电压", text_jsdy.Text.Trim());
            iniHelpers.write("g步进速度", text_bjsd.Text.Trim());
            iniHelpers.write("g镀汞时间", text_dgsj.Text.Trim());
            iniHelpers.write("g采样步进电压", text_cybjdy.Text.Trim());
            iniHelpers.write("g静息时间", text_jxsj.Text.Trim());
            iniHelpers.write("g静息点位", text_jxdw.Text.Trim());

            MessageBox.Show("镀汞参数保存成功！！！");
        }

        //循环伏安法
        private void btn_faf_send_Click(object sender, EventArgs e)
        {
            //int i = 11;
            //string s = i.ToString("X").PadLeft(4, ‘0‘); //转16进制
            //MessageBox.Show(s);

            string csdy = Convert.ToInt32(txt_csdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string jsdy = Convert.ToInt32(txt_jsdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string jxsj = Convert.ToInt32(txt_jxsj.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string fjsj = Convert.ToInt32(txt_fjsj.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string fjdy = Convert.ToInt32(txt_fjdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string mczq = Convert.ToInt32(txt_mczq.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string cyjg = Convert.ToInt32(txt_cyjg.Text.Trim()).ToString("X").PadLeft(2, ‘0‘);
            string mckd = Convert.ToInt32(txt_mckd.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string bjdy = Convert.ToInt32(txt_bjdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string mcfd = Convert.ToInt32(txt_mcfd.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string jxdy = Convert.ToInt32(txt_jxdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            //循环伏安法(CMD=0x03)：CMD(0xff)+富集时间(0xffff)+富集电压(0xffff)+静息时间(0xffff)+静息电压(0xffff)+初始电压(0xffff)+结束电压(0xffff)+步进电压(0xffff)+脉冲幅度(0xffff)+脉冲宽度(0xffff)+脉冲周期(0xffff)+采样间隔(0xff)+结束符(0xfefe)
            if(serialPort1.IsOpen)
            {
                //MessageBox.Show("03" + fjsj + fjdy + jxsj + jsdy + csdy + jsdy + bjdy + mcfd + mckd + mczq + cyjg + "fe");
                //serialPort1.Write("03" + fjsj + fjdy + jxsj + jsdy + csdy + jsdy + bjdy + mcfd + mckd + mczq + cyjg + "fe");
                string msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "03" + fjsj + fjdy + jxsj + jxdy + csdy + jsdy + bjdy + mcfd + mckd + mczq + cyjg + "fe";
                if (MessageBox.Show("指令：03" + fjsj + fjdy + jxsj + jxdy + csdy + jsdy + bjdy + mcfd + mckd + mczq + cyjg + "fefe", "是否向  "+cmb_yq.SelectedValue.ToString()+"  发送指令",
 MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
                {
                    serialPort1.Write(msg);
                }
            }

        }

        //镀汞命令发送
        private void btn_dg_send_Click(object sender, EventArgs e)
        {
            string csdy = Convert.ToInt32(text_csdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string jsdy = Convert.ToInt32(text_jsdy.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string jxsj = Convert.ToInt32(text_jxsj.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string bjsd = Convert.ToInt32(text_bjsd.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string dgsj = Convert.ToInt32(text_dgsj.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            string cybjdy = Convert.ToInt32(text_cybjdy.Text.Trim()).ToString("X").PadLeft(2, ‘0‘);
            string jxdw = Convert.ToInt32(text_jxdw.Text.Trim()).ToString("X").PadLeft(4, ‘0‘);
            //镀汞(CMD=0x05)：CMD(0xff)+初始电压(0xffff)+结束电压(0xffff)+步进速度(0xffff)+镀汞时间(0xffff)+采样步进电压(0xff)+静息时间Time_silent(0xffff)+静息电位Voltage_silent(0xffff)+结束符(0xfefe);
            if (serialPort1.IsOpen)
            {
                string msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "05" + csdy + jsdy + bjsd + dgsj + cybjdy + jxsj + jxdw + "fefe";
                if (MessageBox.Show("指令：05" + csdy + jsdy + bjsd + dgsj + cybjdy + jxsj + jxdw + "fe", "是否向  " + cmb_yq.SelectedValue.ToString() + "  发送指令",
 MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
                {
                    serialPort1.Write(msg);
                    MessageBox.Show("命令发送完成！！！");
                }
            }

        }
       

        #region 连通阀，命令发送
        //连通阀，命令发送
        private void btn_liangtong_Click(object sender, EventArgs e)
        {
            string[] sen = new string[6];
            sen[0] = "474F30310D00";
            sen[1] = "474F30320D00";
            sen[2] = "474F30330D00";
            sen[3] = "474F30340D00";
            sen[4] = "474F30350D00";
            sen[5] = "474F30360D00";
            if (serialPort1.IsOpen)
            {
                string msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":01" + sen[(cmb_ltz.SelectedIndex)];
                serialPort1.Write(msg);
                MessageBox.Show("命令发送完成！！！");
            }
            else
            {
                MessageBox.Show("串口未打开");
            }
        } 
        #endregion

        #region 系统设置按钮，保存配置
        //系统设置按钮，保存配置，并加载新数据
        private void btn_xtSeting_Click(object sender, EventArgs e)
        {
            SetSystem.SetSystemM(this);
            MessageBox.Show("系统设置成功！！！");

            // cmb_yq.Items.Clear();
            ArrayList al = new ArrayList();
            al.Add(new TextAndValue("系统1", iniHelpers.ContentValue("系统1")));
            al.Add(new TextAndValue("系统2", iniHelpers.ContentValue("系统2")));
            al.Add(new TextAndValue("系统3", iniHelpers.ContentValue("系统3")));
            cmb_yq.DataSource = al;
            cmb_yq.DisplayMember = "DisplayText";
            cmb_yq.ValueMember = "RealValue";
        } 
        #endregion

        #region 获取结果

        //获取结果
        private void btn_hqjg_Click(object sender, EventArgs e)
        {
            string msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "07fe";
            serialPort1.Write(msg);

            timer_mess.Start();

            //string[] getSz = GetArrayFromString("01020304fe");
            //txt_zn.Text = getSz[0];
            //txt_cd.Text = getSz[1];
            //txt_pb.Text = getSz[2];
            //txt_cu.Text = getSz[3];
        }

        public string[] GetArrayFromString(string val)
        {
            var count = val.Length % 2 == 0 ? val.Length / 2 : (val.Length + 1) / 2;
            var charVal = val.ToCharArray();
            string[] result = new string[count];
            for (var i = 1; i < val.Length; i++)
            {
                if ((i + 1) % 2 == 0)
                {
                    result[(i - 1) / 2] = charVal[i - 1] + "" + charVal[i];
                }
            }
            if (charVal.Length % 2 != 0)
            {
                result[count - 1] = "0" + charVal[val.Length - 1];
            }
            return result;
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            try
            {
                string text = string.Empty;
                byte[] result = new byte[serialPort1.BytesToRead];

                serialPort1.Read(result, 0, serialPort1.BytesToRead);

                foreach (byte b in result)
                {
                    text = text + Convert.ToString(b, 16);
                }
                textBox1.Text = text;

                if (text.Length == 10)
                {
                    string[] getSz = GetArrayFromString(text);
                    txt_zn.Text = getSz[0];
                    txt_cd.Text = getSz[1];
                    txt_pb.Text = getSz[2];
                    txt_cu.Text = getSz[3];
                }
            }
            catch (Exception err)
            {
                MessageBox.Show(err.Message);
            }
        } 
        #endregion

        #region 抽满时间控件间隔发

        private void btn_paikong_Click(object sender, EventArgs e)
        {
            //抽满：初始化+延时20s+输入阀+延时1s+抽满
            //排空：输出阀+延时1s+排空
            //初始化   0x2F,0x31,0x5A,0x30,0x52,0x0D,0x00 
            //输入阀    0x2F,0x31,0x49,0x52,0x0D,0x00 
            //输出阀    0x2F,0x31,0x4F,0x52,0x0D,0x00  
            //抽满     0x2F,0x31,0x41,0x33,0x30,0x30,0x30,0x52,0x0D,0x00
            //排空     0x2F,0x31,0x41,0x30,0x52,0x0D,0x00
            if (serialPort1.IsOpen)
            {
                btn_paikong.Enabled = false;
                timer_pk1.Start();

            }
            else
            {
                MessageBox.Show("串口未打开");
            }
        }

        private void timer_pa1_Tick(object sender, EventArgs e)
        {
            msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F315A30520D00";
            serialPort1.Write(msg);
            //MessageBox.Show("OK");
            //Thread.Sleep(10000);
            timer_pa2.Start();
            timer_pa1.Stop();

        }

        private void timer_pa2_Tick(object sender, EventArgs e)
        {
            msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F3149520D00";
            serialPort1.Write(msg);
            //Thread.Sleep(10000);
            // MessageBox.Show("")
            timer_pa3.Start();
            timer_pa2.Stop();
        }

        private void timer_pa3_Tick(object sender, EventArgs e)
        {
            msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F314133303030520D00";
            serialPort1.Write(msg);
            //Thread.Sleep(10000);
            //MessageBox.Show("命令发送完成！！！");
            btn_cm.Enabled = true;
            timer_pa3.Stop();
        } 
        #endregion

        #region 排空时间控件间隔发

        //抽满
        private void btn_cm_Click(object sender, EventArgs e)
        {
            //抽满：初始化+延时20s+输入阀+延时1s+抽满
            //排空：输出阀+延时1s+排空
            //初始化   0x2F,0x31,0x5A,0x30,0x52,0x0D,0x00 
            //输入阀    0x2F,0x31,0x49,0x52,0x0D,0x00 
            //输出阀    0x2F,0x31,0x4F,0x52,0x0D,0x00  
            //抽满     0x2F,0x31,0x41,0x33,0x30,0x30,0x30,0x52,0x0D,0x00
            //排空     0x2F,0x31,0x41,0x30,0x52,0x0D,0x00
            if (serialPort1.IsOpen)
            {
                btn_cm.Enabled = false;
                timer_pa1.Start();
                //timer_pa1.Interval = 20000;
                //msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F315A30520D00";
                //serialPort1.Write(msg);
                //Thread.Sleep(20000);
                //msg = "";
                //msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F3149520D00";
                //serialPort1.Write(msg);
                //Thread.Sleep(10000);
                //msg = "";
                //msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F314133303030520D00";
                //serialPort1.Write(msg);
                //MessageBox.Show("命令发送完成！！！");
            }
            else
            {
                MessageBox.Show("串口未打开");
            }
        }

        private void timer_pk1_Tick(object sender, EventArgs e)
        {
            string msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F314F520D00";
            serialPort1.Write(msg);
            //Thread.Sleep(10000);
            timer_pk2.Start();
            timer_pk1.Stop();

        }

        private void timer_pk2_Tick(object sender, EventArgs e)
        {

            msg = "SMS" + cmb_yq.SelectedValue.ToString() + ":" + "2F314130520D00";
            serialPort1.Write(msg);
            //Thread.Sleep(10000);
            btn_paikong.Enabled = true;
            timer_pk2.Stop();
            // MessageBox.Show("命令发送完成！！！");

        } 
        #endregion

        //提示消息
        private void timer_mess_Tick(object sender, EventArgs e)
        {
           // Thread.Sleep(10000);
            MessageBox.Show("未收到数据！！！");
            timer_mess.Stop();
        }

     
    }
  
}