beeper.cpp

// beeper.cpp
/*
This file is part of AYAB.

    AYAB is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    AYAB is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with AYAB.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2013 Christian Obersteiner, Andreas Müller
    http://ayab-knitting.com
*/

#include "Arduino.h"
#include "./beeper.h"


Beeper::Beeper() {
  // Intentionally left blank
}


void Beeper::ready() {
  beep(5);
}


void Beeper::finishedLine() {
  beep(3);
}


void Beeper::endWork() {
  beep(10);
}


/*
 * PRIVATE METHODS
 */
void Beeper::beep(byte length) {
  for (int i=0; i < length; i++) {
    analogWrite(PIEZO_PIN, 0);
    delay(BEEPDELAY);
    analogWrite(PIEZO_PIN, 20);
    delay(BEEPDELAY);
  }
  analogWrite(PIEZO_PIN, 255);
}