public bool WriteDatasEx(int address, byte[] bytes, int timeOut)
{
try
{
if (timeOut < 3000)
{
timeOut = 3000;
}
_dataRecv = null;
if (null != _port && _port.IsOpen)
{
var command = PLCCommandFactory.GetWriteCommand(address, bytes);
_port.Write(command);
Console.WriteLine($"向PLC发送数据");
CommandFactory.PrintBytes(command);
}
else
{
throw new Exception("请先打开串口");
}
var index = 1;
while (index < timeOut)
{
Thread.Sleep(100);
index += 100;
if (null != _dataRecv && _dataRecv.Length > 0)
{
var newBuffer = new byte[_dataRecv.Length];
Array.Copy(_dataRecv, 0, newBuffer, 0, _dataRecv.Length);
//接受到应答数据
Console.WriteLine($"接受到PLC应答数据 0x06--true 0x15---false :{GetHexString(newBuffer)}");
if (newBuffer[0] == 0x06)
{
return(true);
}
return(false);
}
}
throw new Exception("执行命令超时");
}
finally
{
_dataRecv = null;
}
}
/// <summary>
/// Sets the cursor to line 1 column 1.
/// </summary>
private static void SetCursorToLine(this GodSerialPort serial, Line lineNumber)
{
var command = new byte[6] {
0x1B, 0x5B, (byte)lineNumber, 0x3B, 0x31, 0x48
};
serial.Write(command, 0, 6);
}
public DataResult WriteForResult(byte[] dataList, int timeOut)
{
if (!Monitor.TryEnter(_flag))
{
throw new Exception("串口正在执行命令,请稍后");
}
lock (_flag)
{
_dataRecv = null;
if (null != _port && _port.IsOpen)
{
_port.Write(dataList);
Console.WriteLine($"发送数据：{GetHexString(dataList)}");
}
else
{
throw new Exception("请先打开串口");
}
var index = 1;
while (index < timeOut)
{
Thread.Sleep(1);
index++;
if (null != _dataRecv && _dataRecv.Length > 1)
{
var newBuffer = new byte[_dataRecv.Length];
Array.Copy(_dataRecv, 0, newBuffer, 0, _dataRecv.Length);
//接受到应答数据
Console.WriteLine($"接受到应答数据:{GetHexString(newBuffer)}");
//对接受到的数据进行解析
if (!CommandFactory.ValidateData(newBuffer))
{
throw new Exception("接受到的数据校验失败");
}
return(new DataResult(newBuffer));
}
}
throw new Exception("执行命令超时");
}
}
/// <summary>
/// Clears the entire display and sets the cursor to line 1 column 1.
/// </summary>
private static void ClearScreen(this GodSerialPort serial)
{
var command = new byte[4] {
0x1B, 0x5B, 0x32, 0x4A
};
try
{
serial.Write(command, 0, 4);
//SetCursorToLine(serial, Line.One);
}
catch
{
}
}
private void SendData(byte[] datas)
{
this.Dispatcher.Invoke(() =>
{
content.Text = StringHelper.BytesToHexString(datas);
});
if (_serialPort.IsOpen)
{
_serialPort.Write(datas);
}
else
{
Console.WriteLine("串口未打开");
}
}