private void RemoteSerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
int n = 0;
while (n < 18)
{
if (RemoteSerialPort.IsOpen == false)
{
return;
}
n = RemoteSerialPort.BytesToRead;
}
//开始接收数据
byte[] byteRead = new byte[18];
RemoteSerialPort.Read(byteRead, 0, byteRead.Length);
if (byteRead[0] == 0x5A && byteRead[17] == 0x33)
{
//遥控器数据处理
remote_eta = RemoteDataPrecess(byteRead);
}
else
{
RemoteSerialPort.DiscardInBuffer();
}
ShiftOffestTxtbox.Text = Convert.ToString(Math.Round(remote_eta, effectiveDecimal));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
RemoteSerialPort.Close();
}
}
private void remoteBtn_Click(object sender, EventArgs e)
{
if (RemoteSerialPort.IsOpen)
{
RemoteSerialPort.Close();
}
else
{
//电脑只能外接两个串口，其中一个用于遥控器
string[] ports = SerialPort.GetPortNames();
for (int i = 0; i < ports.Length; i++)
{
if (ports[i] != serialPort.PortName || serialPort.PortName == null)
{
RemoteSerialPort.PortName = ports[i];
RemoteSerialPort.BaudRate = 115200;
RemoteSerialPort.DataBits = 8;
RemoteSerialPort.StopBits = StopBits.One;
RemoteSerialPort.Parity = Parity.None;
}
}
RemoteSerialPort.Open();
}
remoteBtn.Text = RemoteSerialPort.IsOpen ? "关闭遥控器" : "开启遥控器";
}