gistfile1.cpp

/*
To test: 
 - Upload this sketch to the Arduino Due
 - Open the serial monitor at 115200
 - Connect a jumper wire to ground and touch the other end to pins 25 and 26, alternating between them
*/

void int25() {
  Serial.println("INT25");
}

void int26() {
  Serial.println("INT26");
}

void setup() {
  Serial.begin(115200);
  pinMode(25, INPUT_PULLUP);
  pinMode(26, INPUT_PULLUP);
  attachInterrupt(25, int25, CHANGE);
  attachInterrupt(26, int26, CHANGE);
  detachInterrupt(26);
} 
  
void loop() {
}