public bool WriteDatasEx(int address, byte[] bytes, 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)
{
var command = PLCCommandFactory.GetWriteCommand(address, bytes);
_port.Write(command);
Console.WriteLine($"向PLC发送数据");
CommandFactory.PrintBytes(command);
}
else
{
throw new Exception("请先打开串口");
}
var index = 1;
while (index < timeOut)
{
Thread.Sleep(1);
index++;
if (null != _dataRecv && _dataRecv.Length > 0)
{
var newBuffer = new byte[_dataRecv.Length];
Array.Copy(_dataRecv, 0, newBuffer, 0, _dataRecv.Length);
//接受到应答数据
Console.WriteLine($"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");
}
}
