/// <summary>
        /// 设置主板参数
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button17_Click(object sender, EventArgs e)
        {
            //发送数据
            if (!sp1.IsOpen) //如果没打开
            {
                MessageBox.Show("请先打开串口！", "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            byte[] bytes = new byte[100];
            byte[] dstr = new byte[100];

            int len = 0;
            int i = 0;
            int addr = 0;

            String str = textBox15.Text;
            addr = Convert.ToInt16(str) * 0x100;

            str = textBox16.Text;
            dstr = new byte[str.Length / 2];
            for (i = 0; i < dstr.Length; i++)
            {
                dstr[i] = Convert.ToByte(str.Substring(i * 2, 2), 16);
            }
            addr += Convert.ToInt16(dstr[0]);//地址

            //addr = Convert.ToInt16(txtS23.Text) * 0x100 + Convert.ToInt16(txtS24.Text);

            dstr = System.Text.Encoding.Default.GetBytes(comboBox4.Text);
            for (i = 0; i < comboBox4.Text.Length; i++)
            {
                bytes[i] = dstr[i];
            }
            len = comboBox4.Text.Length;

            dstr = System.Text.Encoding.Default.GetBytes(textBox19.Text);
            for (i = 0; i < textBox19.Text.Length; i++)
            {
                bytes[len + i] = dstr[i];
            }
            len += textBox19.Text.Length;

            bytes[len + 0] = Convert.ToByte(comboBox3.SelectedIndex);
            len += 1;
            bytes[len + 0] = Convert.ToByte(comboBox1.SelectedIndex);
            len += 1;

            dstr = System.Text.Encoding.Default.GetBytes(textBox20.Text);
            bytes[len + 0] = (byte)((dstr[0] - 0x30) << 4);
            bytes[len + 0] |= (byte)(dstr[1] - 0x30);
            bytes[len + 1] = (byte)((dstr[2] - 0x30) << 4);
            bytes[len + 1] |= (byte)(dstr[3] - 0x30);
            len += 2;

            dstr = System.Text.Encoding.Default.GetBytes(textBox18.Text);
            bytes[len + 0] = (byte)((dstr[0] - 0x30) << 4);
            bytes[len + 0] |= (byte)(dstr[1] - 0x30);
            bytes[len + 1] = (byte)((dstr[2] - 0x30) << 4);
            bytes[len + 1] |= (byte)(dstr[3] - 0x30);
            len += 2;

            //addr = Convert.ToByte(txtS23.Text);
            //addr <<= 8;
            //addr += Convert.ToByte(txtS24.Text);

            //整理数据
            bytes = GetData(bytes, 0xF1C5, addr, len);

            len = len + 0x0b + 1;
            String str2 = ListbyteToHexStr(bytes, len);

            sp1.Write(bytes, 0, len);    //写入数据

            if (txtReceive.Text.Trim() == "")
            {
                txtReceive.Text = "发送:" + str2 + System.Environment.NewLine;
            }
            else
            {
                txtReceive.Text = txtReceive.Text + System.Environment.NewLine + "发送:" + str2 + System.Environment.NewLine;
            }
            txtReceive.Focus();
            txtReceive.SelectionStart = txtReceive.TextLength;

        }