apps/menus/eq_menu.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: eq_menu.h 10888 2006-09-05 11:48:17Z dan $
   9  *
  10  * Copyright (C) 2006 Dan Everton
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef _EQ_MENU_H
  20 #define _EQ_MENU_H
  21
  22 #include "menu.h"
  23 #include "config.h"
  24 /* Various user interface limits and sizes */
  25 #define EQ_CUTOFF_MIN        20
  26 #define EQ_CUTOFF_MAX     22040
  27 #define EQ_CUTOFF_STEP       10
  28 #define EQ_CUTOFF_FAST_STEP 100
  29 #define EQ_GAIN_MIN       (-240)
  30 #define EQ_GAIN_MAX         240
  31 #define EQ_GAIN_STEP          5
  32 #define EQ_GAIN_FAST_STEP    10
  33 #define EQ_Q_MIN              5
  34 #define EQ_Q_MAX             64
  35 #define EQ_Q_STEP             1
  36 #define EQ_Q_FAST_STEP       10
  37
  38 #define EQ_USER_DIVISOR      10
  39
  40 bool eq_browse_presets(void);
  41 bool eq_menu_graphical(void);
  42
  43 /* utility functions for settings_list.c */
  44 void eq_gain_format(char* buffer, size_t buffer_size, int value, const char* unit);
  45 void eq_q_format(char* buffer, size_t buffer_size, int value, const char* unit);
  46 void eq_precut_format(char* buffer, size_t buffer_size, int value, const char* unit);
  47 #ifdef HAVE_WM8758
  48 void eq_hw_gain_format(char* buffer, size_t buffer_size, int value,
  49                                     const char* unit);
  50 /* WM8758 equalizer supports -12 to +12 dB gain in 1 dB increments. */
  51 #define EQ_HW_GAIN_STEP 1
  52 #define EQ_HW_GAIN_MIN -12
  53 #define EQ_HW_GAIN_MAX 12
  54
  55 bool eq_hw_menu(void);
  56 void eq_hw_enable(bool enable);
  57 #endif
  58
  59 #endif