Programs/beep.c

/*
 * BRLTTY - A background process providing access to the console screen (when in
 *          text mode) for a blind person using a refreshable braille display.
 *
 * Copyright (C) 1995-2023 by The BRLTTY Developers.
 *
 * BRLTTY comes with ABSOLUTELY NO WARRANTY.
 *
 * This is free software, placed under the terms of the
 * GNU Lesser General Public License, as published by the Free Software
 * Foundation; either version 2.1 of the License, or (at your option) any
 * later version. Please see the file LICENSE-LGPL for details.
 *
 * Web Page: http://brltty.app/
 *
 * This software is maintained by Dave Mielke <dave@mielke.cc>.
 */

#include "prologue.h"

#include "async_wait.h"
#include "beep.h"

int
playBeep (BeepFrequency frequency, BeepDuration duration) {
  if (asynchronousBeep(frequency, duration*4)) {
    asyncWait(duration);
    stopBeep();
    return 1;
  }

  if (startBeep(frequency)) {
    asyncWait(duration);
    stopBeep();
    return 1;
  }

  return synchronousBeep(frequency, duration);
}