public async Task SendData(string msg)
{
var x = Encoding.UTF8.GetBytes(msg);
var p = new CancellationTokenSource();
// 第一次加载
if (serialPort == null)
{
serialPort = await getSerialPort();
}
if (serialPort != null)
{
// 运行过程中串口断开了
if (serialPort.serialPort == null)
{
serialPort.ReceiveHandler -= SerialPort_ReceiveHandler;
serialPort = await getSerialPort();
}
if (serialPort != null)
{
await serialPort.Send(x.Concat(new byte[] { 0x0D, 0x0A }).ToArray(), p.Token);
}
}
}
public async Task Send(BaseDirective item, int reSendTimes = 0)
{
try
{
waitForFeedbackDirectives.TryAdd(item.DirectiveId, new WaitForFeedBack(DateTime.Now, item, reSendTimes));
var directiveData = protocolProvider.GenerateDirectiveBuffer(item);
//第一次加载
if (serialPort == null)
{
serialPort = await getSerialPort();
}
if (serialPort != null)
{
// 运行过程中串口断开了
if (serialPort.serialPort == null)
{
serialPort.ReceiveHandler -= SpHelper_ReceiveHandler;
serialPort = await getSerialPort();
}
if (waitForFeedbackDirectives.ContainsKey(item.DirectiveId) && serialPort != null)
{
await serialPort.Send(directiveData, cancelTokenSource.Token);
}
}
}
catch (CustomException e)
{
Debug.WriteLine("send error->" + e.Message);
}
catch (TaskCanceledException)
{
Debug.WriteLine("send cancel");
}
catch (Exception e)
{
OnErrorEvent(new CustomException(e.Message + "Send", this.GetType().FullName,
ExceptionPriority.Unrecoverable), item);
}
}