/// <summary> Adds an interrupt to the given GPIO pin. </summary>
/// <param name="Pin"> The pin to monitor. </param>
/// <param name="InterruptType"> The type of edge to listen for. </param>
/// <param name="Delegate"> The delegate to call when the given type of event happens. </param>
internal static void AddInterrupt(int Pin, int InterruptType, InterruptCallback Delegate)
{
if (!Initialized)
{
throw new InvalidOperationException("Cannot perform GPIO operations until the system is initialized. Call RasperryPi.Initialize().");
}
External.AddInterrupt(Pin, InterruptType, Delegate);
}
///////////////////////////////////////////////////////////////////////
public void CheckCallbacks(
Interpreter interpreter /* NOTE: Parent interpreter. */
)
{
CheckDisposed();
if (interpreter == null)
{
return;
}
lock (interpreter.SyncRoot) /* TRANSACTIONAL */
{
InterruptCallback oldInterruptCallback =
interpreter.InterruptCallback;
StringList arguments = CallbackArguments;
if (arguments != null) /* NOTE: Enabled? */
{
if (oldInterruptCallback != null)
{
return;
}
if (interruptCallback == null)
{
interruptCallback = new InterruptCallback(
InterruptCallback);
}
}
else
{
if (interruptCallback != null)
{
interruptCallback = null;
}
if (oldInterruptCallback == null)
{
return;
}
}
interpreter.InterruptCallback = interruptCallback;
}
}
public static extern int InterruptServiceRoutine(int pin, int interruptType, InterruptCallback handler);
internal static extern int AddInterrupt(int Pin, int InterruptType, InterruptCallback Delegate);
private static extern int Ext_AddInterrupt(int Pin, int InterruptType, InterruptCallback Delegate);
