/// <summary>
/// Every n loops, issue the specified credit value
/// </summary>
/// <param name="loops">Count of loops between credits</param>
/// <param name="count">Run this many times. -1 to loop forever.</param>
/// <param name="creditIndices">Credits to issue</param>
public T CreditEveryNLoops(int loops, int count, params byte[] creditIndices)
{
// Create a new validator so we have perfect control of the state
var validator = new ApexValidator(Config);
// Setup a semaphore to wait for this many polling loops
var sem = new EmulationLoopSemaphore(_token)
{
SignalAt = loops * count
};
// Start in idling state
_emulator.CurrentState = Rs232State.Idling;
_emulator.CurrentEvents = Rs232Event.None;
var next = 0;
_emulator.OnPollResponseSent += sem.LoopCallback;
sem.OnLoopCalled += (sender, args) =>
{
switch (_emulator.CurrentState)
{
case Rs232State.None:
_emulator.CurrentState = Rs232State.Idling;
_emulator.CurrentEvents = Rs232Event.None;
break;
case Rs232State.Idling:
if (sem.Iterations % loops == 0)
{
_emulator.CurrentState = Rs232State.Accepting;
_emulator.CurrentEvents = Rs232Event.None;
}
break;
case Rs232State.Accepting:
_emulator.CurrentState = Rs232State.Stacking;
_emulator.CurrentEvents = Rs232Event.None;
break;
case Rs232State.Stacking:
_emulator.CurrentState = Rs232State.Idling;
_emulator.CurrentEvents = Rs232Event.Stacked;
_emulator.Credit = creditIndices[next++ % creditIndices.Length];
break;
}
};
validator.StartPollingLoop();
// Wait for signal
sem.Gate.WaitOne();
// Cleanup
validator.StopPollingLoop();
_emulator.OnPollResponseSent -= sem.LoopCallback;
return(_emulator);
}
/// <summary>
/// Runs polling loop this many times at a minimum.
/// Due to timing limitations, this is a minimum run count
/// and their may be 1 or more extra loops executed.
/// </summary>
/// <param name="loops">Loops to run</param>
/// <returns></returns>
public T RunIdleFor(int loops)
{
// Setup a semaphore to wait for this many polling loops
var sem = new EmulationLoopSemaphore(_token)
{
SignalAt = loops
};
_emulator.OnPollResponseSent += sem.LoopCallback;
sem.OnLoopCalled += (sender, args) =>
{
// Always be idle
_emulator.CurrentState = Rs232State.Idling;
};
// Create a new validator so we have perfect control of the state
var validator = new ApexValidator(Config);
validator.StartPollingLoop();
// Wait for signal
sem.Gate.WaitOne();
// Cleanup
validator.StopPollingLoop();
_emulator.OnPollResponseSent -= sem.LoopCallback;
return(_emulator);
}
