static void Main(string[] args)
{
var gpio18 = new GPIO("18", GPIODirection.output);
var gpio17 = new GPIO("17", GPIODirection.input);
int hitCount = 0;
Console.Write("How many button presses: ");
int maxHitCount = Convert.ToInt32(Console.ReadLine());
if (gpio18.StreamGood && gpio17.StreamGood)
{
bool oldButtonState = false;
while (hitCount < maxHitCount)
{
bool buttonState = gpio17.GetValue();
if (oldButtonState != buttonState && oldButtonState)
{
hitCount++;
}
gpio18.SetValue(buttonState);
Thread.Sleep(200);
oldButtonState = buttonState;
}
}
else
{
Console.WriteLine("Cannot initialize streams.....");
}
Console.WriteLine("Exiting.....");
}
public void ShouldReturnFalsewhenExportsFail()
{
var mock = new Mock <IFileWrapper>();
mock.Setup(fileWrapper => fileWrapper.Write("./sys/class/gpio/export", "20")).Throws(new Exception());
var device = new GPIO("20", mock.Object);
var value = device.GetValue();
Assert.AreEqual(0, value);
mock.Verify(fileWrapper => fileWrapper.Read("./sys/class/gpio/gpio20/value"), Times.Never());
mock.Verify(fileWrapper => fileWrapper.Write("./sys/class/gpio/gpio20/direction", "IN"), Times.Never());
mock.Verify(fileWrapper => fileWrapper.Write("./sys/class/gpio/export", "20"), Times.Once());
}
public void ShouldReturnTrueValue()
{
var mock = new Mock <IFileWrapper>();
mock.Setup(fileWrapper => fileWrapper.Read("./sys/class/gpio/gpio20/value")).Returns("1");
mock.Setup(fileWrapper => fileWrapper.Write("./sys/class/gpio/gpio20/direction", "IN"));
mock.Setup(fileWrapper => fileWrapper.Write("./sys/class/gpio/export", "20"));
var device = new GPIO("20", mock.Object);
var value = device.GetValue();
Assert.AreEqual(1, value);
mock.Verify(fileWrapper => fileWrapper.Read("./sys/class/gpio/gpio20/value"), Times.Once());
mock.Verify(fileWrapper => fileWrapper.Write("./sys/class/gpio/gpio20/direction", "IN"), Times.Once());
mock.Verify(fileWrapper => fileWrapper.Write("./sys/class/gpio/export", "20"), Times.Once());
}
