1 files changed, 30 insertions, 0 deletions

diff --git a/firmware/target/arm/ipod/piezo.h b/firmware/target/arm/ipod/piezo.h
new file mode 100644
index 0000000000..78b50d0d39
--- /dev/null
+++ b/firmware/target/arm/ipod/piezo.h
@@ -0,0 +1,30 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006-2007 Robert Keevil
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+void piezo_init(void);
+void piezo_play(unsigned short inv_freq, unsigned char form);
+void piezo_play_for_tick(unsigned short inv_freq,
+                    unsigned char form, unsigned int dur);
+void piezo_play_for_usec(unsigned short inv_freq,
+                    unsigned char form, unsigned int dur);
+void piezo_stop(void);
+void piezo_clear(void);
+bool piezo_busy(void);
+unsigned int piezo_hz(unsigned int hz);
+void piezo_button_beep(bool beep, bool force);