Sound settings

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@708 a1c6a512-1295-4272-9138-f99709370657

apps/sound_menu.c

@@ -0,0 +1,116 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Björn Stenberg
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdbool.h>
+#include "lcd.h"
+#include "menu.h"
+#include "sound_menu.h"
+#include "mpeg.h"
+#include "button.h"
+#include "kernel.h"
+
+typedef void (*settingfunc)(int);
+enum { Volume, Bass, Treble, numsettings };
+
+static void soundsetting(int setting)
+{
+    static int savedsettings[numsettings] = { 50, 50, 50 };
+    static const char* names[] = { "Volume", "Bass", "Treble" };
+    static settingfunc funcs[] = { mpeg_volume, mpeg_bass, mpeg_treble };
+
+    int value = savedsettings[setting];
+    char buf[32];
+    bool done = false;
+
+    lcd_clear_display();
+    snprintf(buf,sizeof buf,"[%s]",names[setting]);
+    lcd_puts(0,0,buf);
+
+    while ( !done ) {
+        int key;
+        snprintf(buf,sizeof buf,"%d %% ",value);
+        lcd_puts(0,1,buf);
+
+        while ( !(key = button_get()) )
+            yield();
+
+        switch ( key ) {
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_UP:
+#else
+            case BUTTON_RIGHT:
+#endif
+                value += 10;
+                if ( value >= 100 )
+                    value = 100;
+                (funcs[setting])(value);
+                break;
+
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_DOWN:
+#else
+            case BUTTON_LEFT:
+#endif
+                value -= 10;
+                if ( value <= 0 )
+                    value = 0;
+                (funcs[setting])(value);
+                break;
+
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_LEFT:
+#else
+            case BUTTON_STOP:
+#endif
+                savedsettings[setting] = value;
+                done = true;
+                break;
+        }
+    }
+}
+
+static void volume(void)
+{
+    soundsetting(Volume);
+}
+
+static void bass(void)
+{
+    soundsetting(Bass);
+};
+
+static void treble(void)
+{
+    soundsetting(Treble);
+}
+
+void sound_menu(void)
+{
+    int m;
+    struct menu_items items[] = {
+        { Volume, "Volume", volume },
+        { Bass,   "Bass",   bass },
+        { Treble, "Treble", treble }
+    };
+    
+    m=menu_init( items, sizeof items / sizeof(struct menu_items) );
+    menu_run(m);
+    menu_exit(m);
+}
+

apps/sound_menu.h

@@ -0,0 +1,24 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Björn Stenberg
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _SOUND_MENU_H
+#define _SOUND_MENU_H
+
+void sound_menu(void);
+
+#endif