public void PWMPinInfoTest()
{
Console.WriteLine("Starting pin PWM info test...");
int exCount;
PinPWMInfo info;
Console.WriteLine("Testing default PWM pin info for each pin...");
foreach (PropertyInfo prop in FX3.GetType().GetProperties())
{
if (prop.PropertyType == typeof(AdisApi.IPinObject))
{
Assert.AreEqual(0, FX3.GetPinPWMInfo((AdisApi.IPinObject)prop.GetValue(FX3)).IdealFrequency, "ERROR: Expected PWM pins to be disabled for all pins initially");
}
}
Console.WriteLine("Testing PWM pin info for each pin...");
foreach (PropertyInfo prop in FX3.GetType().GetProperties())
{
if (prop.PropertyType == typeof(AdisApi.IPinObject))
{
if (((AdisApi.IPinObject)prop.GetValue(FX3)).pinConfig % 8 != 0)
{
FX3.StartPWM(2000, 0.5, (AdisApi.IPinObject)prop.GetValue(FX3));
info = FX3.GetPinPWMInfo((AdisApi.IPinObject)prop.GetValue(FX3));
Assert.AreEqual(((AdisApi.IPinObject)prop.GetValue(FX3)).pinConfig, info.FX3GPIONumber, "ERROR: Invalid GPIO Number");
Assert.AreEqual(info.FX3GPIONumber % 8, info.FX3TimerBlock, "ERROR: Invalid FX3 timer block");
Assert.AreEqual(2000, info.IdealFrequency, "ERROR: Invalid frequency");
Assert.AreEqual(0.5, info.IdealDutyCycle, "ERROR: Invalid duty cycle");
FX3.StopPWM((AdisApi.IPinObject)prop.GetValue(FX3));
}
else
{
exCount = 0;
try
{
FX3.StartPWM(2000, 0.5, (AdisApi.IPinObject)prop.GetValue(FX3));
}
catch (Exception e)
{
Console.WriteLine(e.Message);
exCount = 1;
}
Assert.AreEqual(1, exCount, "ERROR: Expected exception to be thrown for pins which cannot run PWM");
}
}
}
Console.WriteLine("Sweeping PWM freq...");
{
for (double freq = 0.5; freq < 100000; freq = freq * 1.1)
{
FX3.StartPWM(freq, 0.5, FX3.DIO1);
Assert.AreEqual(freq, FX3.GetPinPWMInfo(FX3.DIO1).IdealFrequency, "ERROR: Invalid IdealFrequency");
Assert.AreEqual(freq, FX3.GetPinPWMInfo(FX3.DIO1).RealFrequency, 0.001 * freq, "ERROR: Invalid RealFrequency");
}
}
Console.WriteLine("Sweeping PWM duty cycle at 1KHz...");
for (double dutyCycle = 0.01; dutyCycle < 1.0; dutyCycle += 0.01)
{
FX3.StartPWM(1000, dutyCycle, FX3.DIO1);
Assert.AreEqual(dutyCycle, FX3.GetPinPWMInfo(FX3.DIO1).IdealDutyCycle, "ERROR: Invalid ideal duty cycle");
Assert.AreEqual(dutyCycle, FX3.GetPinPWMInfo(FX3.DIO1).RealDutyCycle, 0.001 * dutyCycle, "ERROR: Invalid real duty cycle");
}
}