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);
}