/// <summary>
/// Method to run periodic command routine.
/// In this routine, send EchoBack command till succeeds 5 times and AppVersion.
/// </summary>
/// <param name="ComPortAcc">ComPortAccess class contains COM port abstract object.</param>
/// <param name="Sequence">Sequence class to run routine.</param>
/// <param name="TimerCount">Passed time.</param>
/// <returns></returns>
public override bool Routine(
ComPortAccess ComPortAcc,
ComPortSendRecvSequence Sequence,
int TimerCount = 0)
{
int EchoBackOkCount = 0;
var Command = new Command_00_00();
while (true)
{
if (Sequence.SendAndRecvRoutine(ComPortAcc, Command))
{
EchoBackOkCount++;
}
if (EchoBackOkCount > 10)
{
EchoBackOkCount = 0;
break;
}
}
while (!Sequence.SendAndRecvRoutine(ComPortAcc, new Command_02_00()))
{
}
return(false);
}
/// <summary>
/// A sequence to disconnect port.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override object Sequence(ComPortAccess ComPortAcc)
{
try
{
ComPortAcc.Disconnect();
return(null);
}
catch (Exception ex)
{
this.OnNotifyRecvExceptionEvent(new NotifyConnectExceptionEventArgs(ex));
return(null);
}
}
/// <summary>
/// Call a sequence method in other thread.
/// </summary>
/// <param name="obj"></param>
public Task StartSequence(ComPortAccess ComPortAcc)
{
Task <object> task = Task <object> .Run(() =>
{
return(this.Sequence(ComPortAcc));
});
Task ContinuationTask = task.ContinueWith((Antecedent) =>
{
object Result = Antecedent.Result;
if (Result != null)
{
if (Result is bool)
{
bool SeqResult = (bool)Result;
if (SeqResult)
{
this.OnTaskFinishedEvent(
new SequenceChangedEventArgs(
this.FinishedConnectionState,
SeqResult));
}
else
{
this.OnTaskFinishedEvent(
new SequenceChangedEventArgs(
this.BaseConnectionState,
SeqResult));
}
}
else
{
this.OnTaskFinishedEvent(
new SequenceChangedEventArgs(this.FinishedConnectionState));
}
}
else
{
this.OnTaskFinishedEvent(
new SequenceChangedEventArgs(this.FinishedConnectionState));
}
});
return(ContinuationTask);
}
/// <summary>
/// A sequence to send and receive command. This sequence continues
/// semi-permanently, till the sequence is stopped by action.
/// </summary>
/// <param name="ComPortAcc">Port information to access serial port.</param>
/// <returns>Always null.</returns>
public override object Sequence(ComPortAccess ComPortAcc)
{
this.IsRunning = true;
this.DoesContinue = true;
CommandRoutine Routine = new InitCommandRoutine();
Routine.Routine(ComPortAcc, this);
Routine = new PeriodicCommandRoutine();
while (this.DoesContinue)
{
Routine.Routine(ComPortAcc, this);
}
this.IsRunning = false;
return(null);
}
/// <summary>
/// A routine to send command and receive response, and notify the result.
/// </summary>
/// <param name="ComPortAcc"></param>
/// <param name="Command"></param>
/// <returns></returns>
public bool SendAndRecvRoutine(ComPortAccess ComPortAcc, ACommand Command)
{
try
{
byte[] ResData;
ComPortAcc.SendAndRecv(Command.CmdData, out ResData);
Command.ResData = ResData;
Command.Check();
this.OnNotifySendReceiveData(new NotifySendReceiveDataEventArgs(Command));
return(true);
}
catch (CommandException CmdExpt)
{
this.OnNotifyRecvExceptionEvent(new NotifyCommandException(CmdExpt));
return(false);
}
}
/// <summary>
/// Method to run periodic command routine.
/// </summary>
/// <param name="ComPortAcc">ComPortAccess class contains COM port abstract object.</param>
/// <param name="Sequence">Sequence class to run routine.</param>
/// <param name="TimerCount">Passed time.</param>
/// <returns></returns>
public override bool Routine(
ComPortAccess ComPortAcc,
ComPortSendRecvSequence Sequence,
int TimerCount = 0)
{
foreach (ACommand Command in this.CommandQueue)
{
Thread.Sleep(1);
Command.UpdateCmdData();
try
{
Sequence.SendAndRecvRoutine(ComPortAcc, Command);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
this.Log(CommandQueue);
return(false);
}
/// <summary>
/// A sequence to connect port.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override object Sequence(ComPortAccess ComPortAcc)
{
bool Result = false;
this.IsRunning = true;
try
{
Result = ComPortAcc.Connect();
return(Result);
}
catch (Exception ex)
{
this.OnNotifyRecvExceptionEvent(new NotifyConnectExceptionEventArgs(ex));
return(false);
}
finally
{
this.IsRunning = false;
}
}
/// <summary> /// Abstract method to run main sequence to access COM port. /// </summary> /// <param name="ComPortAcc">ComPortAccess object used to access COM port.</param> /// <returns>Result of the sequence.</returns> public abstract object Sequence(ComPortAccess ComPortAcc);
public abstract bool Routine(
ComPortAccess ComPortAcc,
ComPortSendRecvSequence Sequence,
int TimerCount = 0);
