/// <summary>
/// 发送Hex字符串,比如7E 48 53 44
/// </summary>
/// <param name="str"></param>
public DataResult WriteHexString(string str, 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.WriteHexString(str);
Console.WriteLine($"发送数据：{str}");
}
else
{
throw new Exception("请先打开串口");
}
var index = 1;
while (index < timeOut)
{
Thread.Sleep(1);
index++;
if (null != _dataRecv && _dataRecv.Length > 1)
{
var newBuffer = new byte[_dataRecv.Length];
Array.Copy(_dataRecv, 0, newBuffer, 0, _dataRecv.Length);
//接受到应答数据
Console.WriteLine($"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");
}
}