public static void WaitForAllButtons()
{
const ConnectorPin sdaPin = ConnectorPin.P1Pin03;
const ConnectorPin sclPin = ConnectorPin.P1Pin05;
using (var driver = new I2cDriver(sdaPin.ToProcessor(), sclPin.ToProcessor()))
{
var deviceConnection = new Mcp23017I2cConnection(driver.Connect(0x20));
Console.WriteLine("Connected");
Console.WriteLine("press all 5 of the buttons");
deviceConnection.SetDirection(Mcp23017Pin.B1, Mcp23017PinDirection.Input);
deviceConnection.SetDirection(Mcp23017Pin.B3, Mcp23017PinDirection.Input);
deviceConnection.SetDirection(Mcp23017Pin.B5, Mcp23017PinDirection.Input);
deviceConnection.SetDirection(Mcp23017Pin.B6, Mcp23017PinDirection.Input);
deviceConnection.SetDirection(Mcp23017Pin.B7, Mcp23017PinDirection.Input);
deviceConnection.SetResistor(Mcp23017Pin.B1, Mcp23017PinResistor.PullUp);
deviceConnection.SetResistor(Mcp23017Pin.B3, Mcp23017PinResistor.PullUp);
deviceConnection.SetResistor(Mcp23017Pin.B5, Mcp23017PinResistor.PullUp);
deviceConnection.SetResistor(Mcp23017Pin.B6, Mcp23017PinResistor.PullUp);
deviceConnection.SetResistor(Mcp23017Pin.B7, Mcp23017PinResistor.PullUp);
bool[] btns = { false, false, false, false, false };
bool btnsPushed = false;
while (!btnsPushed && !Console.KeyAvailable)
{
Thread.Sleep(100);
if (!deviceConnection.GetPinStatus(Mcp23017Pin.B1))
{
btns[0] = true; Console.Write("UP ");
}
if (!deviceConnection.GetPinStatus(Mcp23017Pin.B3))
{
btns[1] = true; Console.Write("ENTER ");
}
if (!deviceConnection.GetPinStatus(Mcp23017Pin.B5))
{
btns[2] = true; Console.Write("DOWN ");
}
if (!deviceConnection.GetPinStatus(Mcp23017Pin.B6))
{
btns[3] = true; Console.Write("TOPSEL ");
}
if (!deviceConnection.GetPinStatus(Mcp23017Pin.B7))
{
btns[4] = true; Console.Write("BOTSEL ");
}
btnsPushed = btns[0] && btns[1] && btns[2] && btns[3] && btns[4];
}
}
Console.WriteLine();
Console.WriteLine("All buttons pressed");
}
public void Start()
{
_isRunning = true;
while (ButtonEvent != null && _isRunning)
{
foreach (ButtonState btn in _states)
{
if (!deviceConnection.GetPinStatus(btn.Pin))
{
if (!btn.IsPressed)
{
// Console.WriteLine("raise down");
ButtonEvent(this, new ButtonArgs()
{
Button = btn.Button, ButtonEvent = ButtonEventType.Down
});
btn.IsPressed = true;
}
}
else if (btn.IsPressed)
{
btn.IsPressed = false;
ButtonEvent(this, new ButtonArgs()
{
Button = btn.Button, ButtonEvent = ButtonEventType.Up
});
}
}
}
}
