How do I statements for the various conditions of this function?

Question

I am still new to Aduino and I am trying to use a library's example sketch but I don't understand the following part of the code. I want to trigger an led when the "Pressed" condition is fulfilled. Pardon my ignorance.

if (b != ClickEncoder::Open) {
Serial.print("Button: ");
#define VERBOSECASE(label) case label: Serial.println(#label); break;
switch (b) {
 VERBOSECASE(ClickEncoder::Pressed);
 VERBOSECASE(ClickEncoder::Held)
 VERBOSECASE(ClickEncoder::Released)
 VERBOSECASE(ClickEncoder::Clicked)
 case ClickEncoder::DoubleClicked:
 Serial.println("ClickEncoder::DoubleClicked");
 encoder->setAccelerationEnabled(!encoder->getAccelerationEnabled());
 Serial.print(" Acceleration is ");
 Serial.println((encoder->getAccelerationEnabled()) ? "enabled" : "disabled");
 setMode = true;
 value = 0;
 break;
}

}

• Lefty: I'm no expert either, but I think this is just Displaying the status of the button out to the Serial port, whether it's been Pressed, Held, Released etc.

Answer 1

You will have to explicitely expand the case ClickEncoder::Pressed. So instead of

VERBOSECASE(ClickEncoder::Pressed);

you should write something like

case ClickEncoder::Pressed:
 Serial.println("ClickEncoder::Pressed");
 digitalWrite(ledpin, HIGH);
 break;

Of course then you'll have to turn it off then, but.. Well, that's another problem