/// <summary>
/// This factory method configures the specified GPIO pin and returns a Pin object for it.
/// </summary>
/// <param name="number">GPIO pin number.</param>
/// <param name="direction">GPIO pin direction, GPIO.Direction.Input or GPIO.Direction.Output.</param>
/// <param name="state">GPIO output pin initial state, true or false. Ignored for input pin.</param>
/// <returns>Returns a configured GPIO Pin object.</returns>
public Pin OpenPin(int number, Direction direction, bool state = false)
{
int status;
try
{
status = server.gpio_open_1(number, (int)direction, state ? 1 : 0);
}
catch
{
throw new Exception("RPC gpio_open_1() failed");
}
if (status < 0)
{
throw new Exception("RPC gpio_open_1() returned error " + status.ToString());
}
try
{
return(new Pin(this.server, number));
}
catch
{
throw new Exception("Failed to construct Pin object");
}
}
/// <summary>
/// Configure a GPIO pin
/// </summary>
/// <param name="pin">Pin number.</param>
/// <param name="direction">Data direction: "input" or "output". The values 0 and 1 are also allowed.</param>
/// <param name="state">Initial output logic level: "true" or "false". The values "high", "low", "on", "off", 1 and 0 are also allowed. Ignored for input pins.</param>
public static void Configure(Primitive pin, Primitive direction, Primitive state)
{
int p = (int)pin;
int d = ToDirection(direction);
int s = ToLogicLevel(state);
int status;
try
{
status = server.gpio_open_1(p, d, s);
}
catch
{
throw new GPIOException("RPC gpio_open_1() failed");
}
if (status < 0)
{
throw new GPIOException("RPC gpio_open_1() returned error " + status.ToString() + " " + p.ToString() + " " + d.ToString() + " " + s.ToString());
}
}