radio/src/buzzer.cpp

   1 /*
   2  * Copyright (C) OpenTX
   3  *
   4  * Based on code named
   5  *   th9x - http://code.google.com/p/th9x
   6  *   er9x - http://code.google.com/p/er9x
   7  *   gruvin9x - http://code.google.com/p/gruvin9x
   8  *
   9  * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include "opentx.h"
  22
  23 uint8_t g_beepCnt;
  24 uint8_t beepAgain = 0;
  25 uint8_t beepAgainOrig = 0;
  26 uint8_t beepOn = false;
  27 bool warble = false;
  28 bool warbleC;
  29
  30 // The various "beep" tone lengths
  31 static const pm_uint8_t beepTab[] PROGMEM = {
  32     // key, trim, warn2, warn1, error
  33     1,  1,  2, 10,  60, //xShort
  34     1,  1,  4, 20,  80, //short
  35     1,  1,  8, 30, 100, //normal
  36     2,  2, 15, 40, 120, //long
  37     5,  5, 30, 50, 150, //xLong
  38 };
  39
  40 void beep(uint8_t val)
  41 {
  42 #if defined(HAPTIC) && !defined(AUDIO)
  43   haptic.event(val==0 ? AU_KEYPAD_UP : (val==4 ? AU_ERROR : AU_TIMER_LT10+beepAgain));
  44 #endif
  45
  46 #if !defined(AUDIO)
  47   if (g_eeGeneral.alarmsFlash && val>1) flashCounter = FLASH_DURATION;
  48 #endif
  49
  50   if (g_eeGeneral.beepMode>0 || (g_eeGeneral.beepMode==0 && val!=0) || (g_eeGeneral.beepMode==-1 && val>=3)) {
  51     _beep(pgm_read_byte(beepTab+5*(2+g_eeGeneral.beepLength)+val));
  52   }
  53 }
  54