public Boolean Open()
{
LastError = new ModuleError(ModuleErrorCode.None);
TraceInfo(String.Format("Открытие {0}", LinkName));
if (State == LinkState.Opened)
{
TraceWarn(String.Format("Уже открыт {0}", LinkName));
return(true);
}
State = LinkState.Opening;
if (OnOpen())
{
State = LinkState.Opened;
return(true);
}
State = LinkState.Closed;
return(false);
}
public Boolean SendBytes(Byte[] buffer)
{
if (State == LinkState.Opened)
{
Boolean result = OnSend(buffer);
if (result)
{
TraceDump(DebugLevel.Out, LinkName, buffer);
}
return(result);
}
else
{
// Передача данных в закрытый порт
LastError = new ModuleError(ModuleErrorCode.SendToClosed);
}
return(false);
}
protected override Boolean OnClose()
{
try
{
_serialPort.Close();
NotifyClose(String.Format("{0} закрыт", PortName));
return(true);
}
catch (IOException ex)
{
LastError = new ModuleError(ModuleErrorCode.Exception, ex.Message);
}
catch (Exception ex)
{
LastError = new ModuleError(ModuleErrorCode.Exception, ex.Message);
}
NotifyError(String.Format("Ошибка закрытия {0}: {1}", PortName, LastError.Message));
return(false);
}
protected override Boolean OnOpen()
{
try
{
_serialPort.Open();
NotifyOpen(String.Format("{0} открыт, скорость {1}", PortName, Baudrate));
return(true);
}
catch (UnauthorizedAccessException)
{
LastError = new ModuleError(ModuleErrorCode.AccessDenied);
}
catch (ArgumentOutOfRangeException)
{
LastError = new ModuleError(ModuleErrorCode.WrongParam);
}
catch (ArgumentException)
{
LastError = new ModuleError(ModuleErrorCode.WrongPortName);
}
catch (InvalidOperationException)
{
LastError = new ModuleError(ModuleErrorCode.AlreadyOpen);
}
catch (IOException)
{
LastError = new ModuleError(ModuleErrorCode.PortNotPresent);
}
catch (Exception ex)
{
LastError = new ModuleError(ModuleErrorCode.Exception, ex.Message);
}
NotifyError(String.Format("Ошибка открытия {0}: {1}", PortName, LastError.Message));
return(false);
}
protected override Boolean OnSend(Byte[] buffer)
{
try
{
_serialPort.Write(buffer, 0, buffer.Length);
return(true);
}
catch (ArgumentNullException)
{
LastError = new ModuleError(ModuleErrorCode.BufferIsNull);
}
catch (InvalidOperationException)
{
LastError = new ModuleError(ModuleErrorCode.NotOpened);
}
catch (ArgumentOutOfRangeException)
{
LastError = new ModuleError(ModuleErrorCode.WrongParam, "count=" + buffer.Length.ToString());
}
catch (ArgumentException)
{
LastError = new ModuleError(ModuleErrorCode.WrongParam, "count=" + buffer.Length.ToString());
}
catch (TimeoutException ex)
{
LastError = new ModuleError(ModuleErrorCode.Exception, ex.Message);
}
catch (Exception ex)
{
LastError = new ModuleError(ModuleErrorCode.Exception, ex.Message);
}
NotifyError(String.Format("Ошибка отправки {0}: {1}", PortName, LastError.Message));
return(false);
}