读取串口数据

/// <summary>
/// 压力 传感器
/// </summary>
public class ForceSensor
{
    private static SerialPort _serialPort = new SerialPort();

    /// <summary>
    /// 初始化参数
    /// </summary>
    public static void InitForceSensor()
    {
        //设定串口参数
        _serialPort.PortName = Global._forceSensor_Port.PortName;
        _serialPort.BaudRate = Global._forceSensor_Port.BaudRate;
        _serialPort.Parity = Global._forceSensor_Port.PortParity;
        _serialPort.DataBits = Global._forceSensor_Port.DataBit;
        _serialPort.StopBits = Global._forceSensor_Port.PortStop;
        _serialPort.ReadBufferSize = 1024;
        //注册接收数据的事件
        _serialPort.DataReceived += _serialPort_DataReceived;

        if (_serialPort != null)
        {
            try
            {
                //打开连接
                _serialPort.Open();
            }
            catch (Exception)
            {

            }
        }

    }

    public static void CloseForceSensor()
    {
        if (_serialPort != null)
        {
            //关闭
            _serialPort.Close();
        }
    }

    public static void ReadForce()
    {
        byte[] read = new byte[] { 01, 03, 06, 06, 00, 02, 24, 82 };
    }

    /// <summary>
    /// 读取（接收）串口数据
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private static void _serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
    {
        try
        {
            //Thread.Sleep(5);
            //读取串口缓冲区的字节数据
            if (_serialPort.BytesToRead >= 32)
            {
                byte[] buffer = new byte[_serialPort.BytesToRead];//_serialPort.BytesToRead
                _serialPort.Read(buffer, 0, _serialPort.BytesToRead);

                DataHandle(buffer);
            }
        }
        catch (Exception)
        {

        }
    }

    /// <summary>
    /// 数据处理
    /// </summary>
    /// <param name="buffer"></param>
    public static void DataHandle(byte[] buffer)
    {
        double res = 0;
        string str = Encoding.ASCII.GetString(buffer);
        string[] reslut = str.Split('\r');
        int n = reslut.Length;
        string tmp = reslut[n / 2];
        res = Convert.ToInt32(tmp);
        
       // Global._forceIns.ForceValue = Math.Round(res  / 10.0-Global._forceIns.Force_pz, 1);
    }
}