/// <summary>
/// Start the endurance test.
/// </summary>
/// <returns>Returns the test results.</returns>
public async Task <JObject> StartAsync()
{
int?testPower = null, ssHR = null;
try
{
var results = await Task.Run(() =>
{
_ergometer.Reset();
Thread.Sleep(1000);
_hRs = new List <int>();
CurrentState = TestState.Warmup;
_listener.OnStateChanged(CurrentState.ToString(), 120000);
_ergometer.RequestedPower = 50;
var stateTimer = new Timer();
stateTimer.Elapsed += ChangeState;
stateTimer.Interval = 120000;
stateTimer.Start();
double[] prevValue = _ageValues[0];
foreach (double[] values in _ageValues)
{
if (values[0] > _patient.Age)
{
_values = prevValue;
}
prevValue = values;
}
if (_values == null)
{
_values = _ageValues[_ageValues.Length - 1];
}
int[] hRs = new int[8];
var pretestTimer = new Timer();
pretestTimer.Interval = 15000;
pretestTimer.Elapsed += WarmupTimerElapsed;
var testTimer = new Timer();
testTimer.Interval = 15000;
testTimer.Elapsed += EndTestTimerElapsed;
var cooldownTimer = new Timer();
cooldownTimer.Interval = 5000;
cooldownTimer.Elapsed += CooldownTimerElapsed;
int power = 0;
var test = false;
var endtest = false;
var cooldown = false;
while (CurrentState != TestState.No)
{
{
if (_exceptionInTimer != null)
{
throw _exceptionInTimer;
}
{
}
switch (CurrentState)
{
case TestState.Warmup:
break;
case TestState.Test:
if (!test)
{
_listener.OnStateChanged(CurrentState.ToString(), 240000);
pretestTimer.Start();
power = _ergometer.RequestedPower;
test = true;
}
break;
case TestState.EndTest:
if (!endtest)
{
pretestTimer.Stop();
testTimer.Start();
endtest = true;
}
break;
case TestState.Cooldown:
if (!cooldown)
{
_listener.OnStateChanged(CurrentState.ToString(), 60000);
stateTimer.Interval = 60000;
testTimer.Stop();
cooldownTimer.Start();
cooldown = true;
}
break;
}
}
}
cooldownTimer.Stop();
stateTimer.Stop();
_ergometer.Close();
return(Tuple.Create(Convert.ToInt32(_hRs.Average()), power));
});
testPower = results.Item2;
ssHR = results.Item1;
}
catch (MaxHRReachedException)
{
new Thread(() => MessageBox.Show("Maximum heartrate exceeded!", "Test failed.")).Start();
}
catch (MinHRNotReachedException)
{
new Thread(() => MessageBox.Show("Heartrate did not reach 130 BPM", "Test failed.")).Start();
}
catch (SteadyStateUnreachableException)
{
new Thread(() => MessageBox.Show("Heartrate too irregular.", "Test failed.")).Start();
}
var ergometerLog = _ergometer.Log;
double?vO2MaxAbs = null;
double?vO2MaxRel = null;
if (testPower != null && ssHR != null)
{
vO2MaxAbs = Nomogram.CalcVO2MaxAbsolute(_patient, (int)testPower, (int)ssHR);
vO2MaxRel = Nomogram.CalcVO2MaxRelative(_patient, (double)vO2MaxAbs);
}
return(new JObject
{
{
"EnduranceTest", new JObject
{
{
"Patient", new JObject
{
{ "FirstName", _patient.FirstName },
{ "LastName", _patient.LastName },
{ "BirthDate", _patient.Birthdate.ToString("dd-MM-yyyy") },
{ "Mass", _patient.Mass }
}
},
{
"TestResults", new JObject
{
{ "VO2MaxAbsolute", vO2MaxAbs },
{ "VO2MaxRelative", vO2MaxRel },
{ "Power", testPower },
{ "HR", ssHR }
}
},
{
"ErgometerLog", ergometerLog
}
}
}
});
}
