public void LoopPinTest()
{
Stopwatch timer = new Stopwatch();
long expectedTime;
if (FX3.ActiveFX3.BoardType < FX3BoardType.iSensorFX3Board_C)
{
Console.WriteLine("The connected boards do not have loop back pins");
return;
}
for (double freq = 100; freq < 2000; freq += 100)
{
Console.WriteLine("Setting " + freq.ToString() + "Hz PWM on loop pin 1");
FX3.StartPWM(freq, 0.5, FX3.FX3_LOOPBACK1);
Assert.AreEqual(freq, FX3.MeasurePinFreq(FX3.FX3_LOOPBACK2, 1, 1000, 100), 0.02 * freq, "ERROR: Invalid value measured on loop pin 2");
FX3.StopPWM(FX3.FX3_LOOPBACK1);
Console.WriteLine("Setting " + freq.ToString() + "Hz PWM on loop pin 2");
FX3.StartPWM(freq, 0.5, FX3.FX3_LOOPBACK2);
Assert.AreEqual(freq, FX3.MeasurePinFreq(FX3.FX3_LOOPBACK1, 1, 1000, 100), 0.02 * freq, "ERROR: Invalid value measured on loop pin 1");
FX3.StopPWM(FX3.FX3_LOOPBACK2);
}
Console.WriteLine("Testing SPI triggering with loop back pins...");
FX3.StartPWM(100, 0.5, FX3.FX3_LOOPBACK1);
FX3.DrPin = FX3.FX3_LOOPBACK2;
FX3.DrActive = true;
expectedTime = 1000 * 1000 / 100;
timer.Start();
FX3.TransferArray(new uint[1], 1, 1000);
timer.Stop();
Console.WriteLine("Elapsed stream time " + timer.ElapsedMilliseconds.ToString() + "ms");
Assert.AreEqual(expectedTime, timer.ElapsedMilliseconds, 0.05 * expectedTime, "ERROR: Invalid stream time");
}
public void PinFreqMeasureTest()
{
Console.WriteLine("Starting pin frequency measure test...");
const double MIN_FREQ = 5;
const double MAX_FREQ = 10000;
double measuredFreq, expectedFreq;
Console.WriteLine("Sweeping PWM duty cycle with fixed frequency...");
expectedFreq = 4000;
for (double dutyCycle = 0.02; dutyCycle < 0.98; dutyCycle += 0.01)
{
Console.WriteLine("Testing duty cycle of " + dutyCycle.ToString());
FX3.StartPWM(4000, dutyCycle, FX3.DIO3);
measuredFreq = FX3.MeasurePinFreq(FX3.DIO4, 1, 500, 5);
Console.WriteLine("Pin freq measured on DIO2: " + measuredFreq.ToString() + "Hz");
Assert.AreEqual(expectedFreq, measuredFreq, 0.02 * expectedFreq, "ERROR: Invalid freq read back on DIO2");
}
FX3.StopPWM(FX3.DIO3);
Console.WriteLine("Sweeping freq range...");
for (expectedFreq = MIN_FREQ; expectedFreq < MAX_FREQ; expectedFreq = expectedFreq * 1.08)
{
Console.WriteLine("Testing PWM freq of " + expectedFreq.ToString() + "Hz");
FX3.StartPWM(expectedFreq, 0.5, FX3.DIO3);
measuredFreq = FX3.MeasurePinFreq(FX3.DIO4, 1, 2000, 3);
Console.WriteLine("Pin freq measured on DIO4: " + measuredFreq.ToString() + "Hz");
Assert.AreEqual(expectedFreq, measuredFreq, 0.02 * expectedFreq, "ERROR: Invalid freq read back on DIO4");
FX3.StopPWM(FX3.DIO3);
FX3.StartPWM(expectedFreq, 0.5, FX3.DIO4);
measuredFreq = FX3.MeasurePinFreq(FX3.DIO3, 1, 2000, 3);
Console.WriteLine("Pin freq measured on DIO3: " + measuredFreq.ToString() + "Hz");
Assert.AreEqual(expectedFreq, measuredFreq, 0.02 * expectedFreq, "ERROR: Invalid freq read back on DIO3");
FX3.StopPWM(FX3.DIO4);
}
Console.WriteLine("Testing averaging...");
expectedFreq = 4000;
FX3.StartPWM(expectedFreq, 0.5, FX3.DIO3);
for (ushort average = 1; average < 1000; average += 2)
{
Console.WriteLine("Testing pin freq measure with " + average.ToString() + " averages...");
measuredFreq = FX3.MeasurePinFreq(FX3.DIO4, 1, 1000, average);
Console.WriteLine("Pin freq measured on DIO4: " + measuredFreq.ToString() + "Hz");
Assert.AreEqual(expectedFreq, measuredFreq, 0.02 * expectedFreq, "ERROR: Invalid freq read back on DIO4");
}
}
public void ADcmXLStreamCancelTest()
{
Console.WriteLine("Starting ADcmXL stream cancel test...");
long firstCount;
FX3.DrActive = true;
FX3.SensorType = DeviceType.ADcmXL;
FX3.PartType = DUTType.ADcmXL3021;
FX3.DrPin = FX3.DIO3;
/* Start 6KHz DR signal on DIO4 */
FX3.StartPWM(6000, 0.1, FX3.DIO4);
for (int trial = 0; trial < 4; trial++)
{
Console.WriteLine("Starting trial " + trial.ToString());
/* Start stream */
FX3.StartRealTimeStreaming(1000000);
firstCount = FX3.GetNumBuffersRead;
System.Threading.Thread.Sleep(50);
Assert.Greater(FX3.GetNumBuffersRead, firstCount, "ERROR: Expected to have read buffers");
/* Cancel stream (stop stream) */
FX3.StopStream();
System.Threading.Thread.Sleep(50);
/* Check SPI functionality */
TestSpiFunctionality();
/* Start stream */
FX3.StartRealTimeStreaming(1000000);
firstCount = FX3.GetNumBuffersRead;
System.Threading.Thread.Sleep(50);
Assert.Greater(FX3.GetNumBuffersRead, firstCount, "ERROR: Expected to have read buffers");
/* Cancel stream (cancel stream) */
FX3.CancelStreamAsync();
System.Threading.Thread.Sleep(50);
/* Check SPI functionality */
TestSpiFunctionality();
}
}
public void PWMGenerationTest()
{
Console.WriteLine("Starting PWM generation test...");
double posWidth, negWidth;
double measuredFreq, measuredDutyCycle;
for (double freq = 20; freq < 40000; freq *= 1.2)
{
for (double dutyCycle = 0.02; dutyCycle <= 0.98; dutyCycle += 0.02)
{
Console.WriteLine("Starting PWM with freq " + freq.ToString("f2") + "Hz, " + dutyCycle.ToString("f2") + " duty cycle...");
FX3.StartPWM(freq, dutyCycle, FX3.DIO3);
posWidth = FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO4, 1, 1000);
negWidth = FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO4, 0, 1000);
measuredFreq = 1000 / (posWidth + negWidth);
measuredDutyCycle = posWidth / (posWidth + negWidth);
Console.WriteLine("Measured freq: " + measuredFreq.ToString("f2") + "Hz, measured duty cycle: " + measuredDutyCycle.ToString("f2"));
Assert.AreEqual(freq, measuredFreq, 0.01 * freq, "ERROR: Invalid freq measured");
Assert.AreEqual(dutyCycle, measuredDutyCycle, 0.01, "ERROR: Invalid duty cycle measured");
}
}
}
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");
}
}
public void MeasureBusyPulseTest()
{
double period;
double pwmPeriod = 1000;
double measuredPeriodPin, measuredPeriodSpi;
List <byte> SpiData = new List <byte>();
SpiData.Add(0);
SpiData.Add(0);
/* Test small period measurements (0.5us - 500us) */
for (period = 0.5; period < 500; period += 0.5)
{
FX3.StartPWM(1000, (pwmPeriod - period) / pwmPeriod, FX3.DIO4);
measuredPeriodPin = 1000 * FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO3, 0, 100);
measuredPeriodSpi = 1000 * FX3.MeasureBusyPulse(SpiData.ToArray(), FX3.DIO3, 0, 100);
Console.WriteLine("Negative PWM Period: " + period.ToString() + "us.\t Error: " + (period - measuredPeriodPin).ToString() + "us");
Console.WriteLine("Measured period: " + measuredPeriodPin.ToString() + "us");
/* Assert with 0.2us margin of error */
Assert.AreEqual(period, measuredPeriodSpi, 0.2, "ERROR: Invalid period measured");
Assert.AreEqual(period, measuredPeriodSpi, 0.2, "ERROR: Invalid period measured");
/* Measure positive period */
FX3.StartPWM(1000, period / pwmPeriod, FX3.DIO4);
measuredPeriodPin = 1000 * FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO3, 1, 100);
measuredPeriodSpi = 1000 * FX3.MeasureBusyPulse(SpiData.ToArray(), FX3.DIO3, 1, 100);
Console.WriteLine("Positive PWM Period: " + period.ToString() + "us.\t Error: " + (period - measuredPeriodPin).ToString() + "us");
Console.WriteLine("Measured period: " + measuredPeriodPin.ToString() + "us");
/* Assert with 0.2us margin of error */
Assert.AreEqual(period, measuredPeriodSpi, 0.2, "ERROR: Invalid period measured");
Assert.AreEqual(period, measuredPeriodSpi, 0.2, "ERROR: Invalid period measured");
}
/* Test large period measurements (2ms - 50ms) */
pwmPeriod = 100;
for (period = 2; period < 50; period += 2)
{
FX3.StartPWM(10, (pwmPeriod - period) / pwmPeriod, FX3.DIO4);
measuredPeriodPin = FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO3, 0, 200);
measuredPeriodSpi = FX3.MeasureBusyPulse(SpiData.ToArray(), FX3.DIO3, 0, 200);
Console.WriteLine("Negative PWM Period: " + period.ToString() + "ms.\t Error: " + (period - measuredPeriodPin).ToString() + "ms");
/* Assert with 1% margin of error */
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
/* Measure positive period */
FX3.StartPWM(10, period / pwmPeriod, FX3.DIO4);
measuredPeriodPin = FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO3, 1, 200);
measuredPeriodSpi = FX3.MeasureBusyPulse(SpiData.ToArray(), FX3.DIO3, 1, 200);
Console.WriteLine("Positive PWM Period: " + period.ToString() + "ms.\t Error: " + (period - measuredPeriodPin).ToString() + "ms");
/* Assert with 1% margin of error */
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
}
/* Test very large period measurements (1 sec) */
Console.WriteLine("Testing 1 second period signal measurements...");
period = 1000;
FX3.StartPWM(0.5, 0.5, FX3.DIO4);
measuredPeriodPin = FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO3, 0, 5000);
measuredPeriodSpi = FX3.MeasureBusyPulse(SpiData.ToArray(), FX3.DIO3, 0, 5000);
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
measuredPeriodPin = FX3.MeasureBusyPulse(FX3.DIO2, 1, 0, FX3.DIO3, 1, 5000);
measuredPeriodSpi = FX3.MeasureBusyPulse(SpiData.ToArray(), FX3.DIO3, 1, 5000);
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
Assert.AreEqual(period, measuredPeriodSpi, period * 0.1, "ERROR: Invalid period measured");
}
public void ADcmXLRealTimeStreamTest()
{
Console.WriteLine("Starting ADcmXL data stream test...");
double expectedTime;
double realTime;
double baseTime;
uint numBuffers = 13600;
Stopwatch timer = new Stopwatch();
FX3.DrActive = true;
FX3.SensorType = DeviceType.ADcmXL;
FX3.PartType = DUTType.ADcmXL3021;
FX3.DrPin = FX3.DIO3;
/* Start 6.8KHz, 80% duty cycle DR signal on DIO4 */
FX3.StartPWM(6800, 0.8, FX3.DIO4);
Console.WriteLine("Measuring base stream time...");
baseTime = 0;
for (int trial = 0; trial < 5; trial++)
{
timer.Restart();
FX3.StartRealTimeStreaming(1000);
System.Threading.Thread.Sleep(5);
FX3.WaitForStreamCompletion(1000);
baseTime += (timer.ElapsedMilliseconds - (1000.0 / 6.8));
}
baseTime /= 5;
Console.WriteLine("Base stream overhead time: " + baseTime.ToString() + "ms");
for (int trial = 0; trial < 4; trial++)
{
Console.WriteLine("Starting trial " + trial.ToString());
/* Start stream */
timer.Restart();
FX3.StartRealTimeStreaming(numBuffers);
System.Threading.Thread.Sleep(100);
FX3.WaitForStreamCompletion((int)(numBuffers / 6.0) + 1000);
timer.Stop();
Assert.AreEqual(FX3.GetNumBuffersRead, numBuffers, "ERROR: Invalid number of buffers read");
realTime = timer.ElapsedMilliseconds;
/* Take off a base time */
realTime -= baseTime;
expectedTime = numBuffers / 6.8;
Console.WriteLine("Expected time: " + expectedTime.ToString() + "ms, Real time: " + realTime.ToString() + "ms");
Assert.AreEqual(expectedTime, realTime, 0.01 * expectedTime, "ERROR: Invalid stream time");
/* Check SPI functionality */
FX3.WordLength = 16;
TestSpiFunctionality();
}
Console.WriteLine("Verifying that when the DR edge is missed the stream waits until the following edge to start...");
FX3.SclkFrequency = 8000000;
timer.Restart();
FX3.StartRealTimeStreaming(numBuffers);
System.Threading.Thread.Sleep(100);
FX3.WaitForStreamCompletion((int)(2 * numBuffers / 6.0) + 1000);
timer.Stop();
Assert.AreEqual(FX3.GetNumBuffersRead, numBuffers, "ERROR: Invalid number of buffers read");
realTime = timer.ElapsedMilliseconds;
/* Take off a base time */
realTime -= baseTime;
/* Twice the time because we read every other data ready */
expectedTime = 2 * numBuffers / 6.8;
Console.WriteLine("Expected time: " + expectedTime.ToString() + "ms, Real time: " + realTime.ToString() + "ms");
Assert.AreEqual(expectedTime, realTime, 0.01 * expectedTime, "ERROR: Invalid stream time");
}
public void BurstSpiTest()
{
Console.WriteLine("Starting SPI burst read test...");
List <byte> BurstTxData = new List <byte>();
ushort[] BurstData;
int index;
RegMapClasses.RegClass triggerReg = new RegMapClasses.RegClass();
triggerReg.NumBytes = 2;
triggerReg.Address = 0x12;
FX3.DrActive = false;
for (int byteCount = 4; byteCount < 400; byteCount += 2)
{
Console.WriteLine("Testing burst read of " + byteCount.ToString() + " bytes...");
FX3.BurstByteCount = byteCount;
Assert.AreEqual(byteCount, FX3.BurstByteCount, "ERROR; Byte count not applied correctly");
Assert.AreEqual((byteCount - 2) / 2, FX3.WordCount, "ERROR: FX3 burst word count not set correctly");
/* Burst trigger reg */
FX3.TriggerReg = triggerReg;
/* strip header */
Console.WriteLine("Testing burst read with trigger reg and header stripped...");
FX3.StripBurstTriggerWord = true;
FX3.SetupBurstMode();
FX3.StartBurstStream(1, FX3.BurstMOSIData);
FX3.WaitForStreamCompletion(50);
BurstData = FX3.GetBuffer();
Assert.AreEqual((byteCount / 2) - 1, BurstData.Count(), "ERROR: Invalid burst data count");
for (int i = 0; i < BurstData.Count(); i++)
{
Assert.AreEqual(0, BurstData[i], "ERROR: Expected all burst data to be 0");
}
/* No strip header */
Console.WriteLine("Testing burst read with trigger reg and header not stripped...");
FX3.StripBurstTriggerWord = false;
FX3.SetupBurstMode();
FX3.StartBurstStream(1, FX3.BurstMOSIData);
FX3.WaitForStreamCompletion(50);
BurstData = FX3.GetBuffer();
Assert.AreEqual((byteCount / 2), BurstData.Count(), "ERROR: Invalid burst data count");
Assert.AreEqual(0x1200, BurstData[0], "ERROR: Invalid burst data echoed");
for (int i = 1; i < BurstData.Count(); i++)
{
Assert.AreEqual(0, BurstData[i], "ERROR: Expected remainder of burst data to be 0");
}
/* Burst transmit data */
BurstTxData.Clear();
for (int i = 0; i < byteCount; i++)
{
BurstTxData.Add((byte)(i & 0xFFU));
}
FX3.BurstMOSIData = BurstTxData.ToArray();
for (int i = 0; i < BurstTxData.Count; i++)
{
Assert.AreEqual(BurstTxData[i], FX3.BurstMOSIData[i], "ERROR: Burst MOSI data not applied correctly");
}
/* strip header */
Console.WriteLine("Testing burst read with MOSI byte array and header stripped...");
FX3.StripBurstTriggerWord = true;
FX3.SetupBurstMode();
FX3.StartBurstStream(1, FX3.BurstMOSIData);
FX3.WaitForStreamCompletion(50);
BurstData = FX3.GetBuffer();
Assert.AreEqual((byteCount / 2) - 1, BurstData.Count(), "ERROR: Invalid burst data count");
index = 2;
for (int i = 0; i < BurstData.Count(); i++)
{
Assert.AreEqual(BurstTxData[index], BurstData[i] >> 8, "ERROR: Invalid burst data echoed");
Assert.AreEqual(BurstTxData[index + 1], BurstData[i] & 0xFF, "ERROR: Invalid burst data echoed");
index += 2;
}
/* No strip header */
Console.WriteLine("Testing burst read with MOSI byte array and header not stripped...");
FX3.StripBurstTriggerWord = false;
FX3.SetupBurstMode();
FX3.StartBurstStream(1, FX3.BurstMOSIData);
FX3.WaitForStreamCompletion(50);
BurstData = FX3.GetBuffer();
Assert.AreEqual((byteCount / 2), BurstData.Count(), "ERROR: Invalid burst data count");
index = 0;
for (int i = 0; i < BurstData.Count(); i++)
{
Assert.AreEqual(BurstTxData[index], BurstData[i] >> 8, "ERROR: Invalid burst data echoed");
Assert.AreEqual(BurstTxData[index + 1], BurstData[i] & 0xFF, "ERROR: Invalid burst data echoed");
index += 2;
}
}
Console.WriteLine("Testing Dr Active triggering for burst...");
FX3.DrPin = FX3.DIO3;
FX3.StartPWM(100, 0.5, FX3.DIO4);
FX3.BurstByteCount = 64;
BurstTxData.Clear();
for (int i = 0; i < 64; i++)
{
BurstTxData.Add((byte)(i & 0xFFU));
}
FX3.BurstMOSIData = BurstTxData.ToArray();
FX3.StripBurstTriggerWord = false;
FX3.SetupBurstMode();
FX3.DrActive = true;
double expectedTime;
long drActiveTime, baseTime;
Stopwatch timer = new Stopwatch();
for (uint numBuffers = 100; numBuffers <= 300; numBuffers += 100)
{
Console.WriteLine("Capturing " + numBuffers.ToString() + " buffers with DrActive set to false...");
FX3.DrActive = false;
FX3.StartBurstStream(numBuffers, FX3.BurstMOSIData);
timer.Restart();
while (FX3.GetNumBuffersRead < numBuffers)
{
System.Threading.Thread.Sleep(1);
}
baseTime = timer.ElapsedMilliseconds;
Console.WriteLine("Stream time: " + baseTime.ToString() + "ms");
CheckBurstBuffers(BurstTxData.ToArray(), numBuffers);
Console.WriteLine("Capturing " + numBuffers.ToString() + " buffers with DrActive set to true...");
expectedTime = 10 * numBuffers; //100Hz DR
FX3.DrActive = true;
FX3.StartBurstStream(numBuffers, FX3.BurstMOSIData);
timer.Restart();
while (FX3.GetNumBuffersRead < numBuffers)
{
System.Threading.Thread.Sleep(1);
}
drActiveTime = timer.ElapsedMilliseconds;
Console.WriteLine("Stream time: " + drActiveTime.ToString() + "ms");
Assert.AreEqual(expectedTime, drActiveTime, 0.25 * expectedTime, "ERROR: Invalid stream time");
CheckBurstBuffers(BurstTxData.ToArray(), numBuffers);
Assert.Less(baseTime, drActiveTime, "ERROR: Base stream time greater than DrActive stream time");
}
}
public void TransferArrayWithWriteTest()
{
uint[] res;
uint[] initialMOSI = new uint[6];
uint[] repeatedMOSI = new uint[4];
Stopwatch timer = new Stopwatch();
double time;
Console.WriteLine("Starting SPI write then read stream test...");
FX3.WordLength = 32;
FX3.StallTime = 3;
FX3.SclkFrequency = 4000000;
FX3.DrActive = false;
FX3.DrPin = FX3.DIO3;
for (uint i = 0; i < 4; i++)
{
repeatedMOSI[i] = i;
}
initialMOSI[0] = 0xAAAAAAAA;
initialMOSI[5] = 0x55555555;
/* Both false */
Console.WriteLine("Testing both DR inactive...");
FX3.DrActive = false;
System.Threading.Thread.Sleep(10);
FX3.StartPWM(10, 0.5, FX3.DIO4);
timer.Restart();
res = FX3.WriteReadTransferArray(initialMOSI, false, repeatedMOSI, 10);
time = timer.ElapsedMilliseconds;
Assert.LessOrEqual(time, 10, "Expected time of less than 10ms");
Assert.AreEqual(repeatedMOSI.Count() * 10, res.Count(), "Invalid data size");
CheckRxData(res);
/* dr active */
Console.WriteLine("Testing DR active read...");
FX3.DrActive = true;
System.Threading.Thread.Sleep(10);
FX3.StartPWM(10, 0.5, FX3.DIO4);
timer.Restart();
res = FX3.WriteReadTransferArray(initialMOSI, false, repeatedMOSI, 10);
time = timer.ElapsedMilliseconds;
//10 reads at 10Hz -> approx 1 sec. Give range 1000 - 1200
Assert.AreEqual(time, 1100, 100, "Expected time of between 1000ms and 1200ms");
Assert.AreEqual(repeatedMOSI.Count() * 10, res.Count(), "Invalid data size");
CheckRxData(res);
/* initial dr active */
Console.WriteLine("Testing DR active write...");
FX3.DrActive = false;
System.Threading.Thread.Sleep(10);
FX3.StartPWM(10, 0.5, FX3.DIO4);
timer.Restart();
res = FX3.WriteReadTransferArray(initialMOSI, true, repeatedMOSI, 10);
time = timer.ElapsedMilliseconds;
//Should be between 50ms and 150ms
Assert.AreEqual(time, 100, 50, "Expected time of between 50ms and 150ms");
Assert.AreEqual(repeatedMOSI.Count() * 10, res.Count(), "Invalid data size");
CheckRxData(res);
/* Both true */
Console.WriteLine("Testing both DR active...");
FX3.DrActive = true;
System.Threading.Thread.Sleep(10);
FX3.StartPWM(10, 0.5, FX3.DIO4);
timer.Restart();
res = FX3.WriteReadTransferArray(initialMOSI, true, repeatedMOSI, 10);
time = timer.ElapsedMilliseconds;
//10 reads at 10Hz -> approx 1 sec. Give range 1000 - 1200
Assert.AreEqual(time, 1100, 100, "Expected time of between 1000ms and 1200ms");
Assert.AreEqual(repeatedMOSI.Count() * 10, res.Count(), "Invalid data size");
CheckRxData(res);
}
