From 758bb3bc628705ff8e5c677b3b2d87720c726c13 Mon Sep 17 00:00:00 2001
From: Mark Arigo <markarigo@gmail.com>
Date: Mon, 25 May 2009 21:10:45 +0000
Subject: 3 new ports: Samsung YH-820, YH-920, and YH-925. Mostly functional.
 Audio working on 820 & 925 (untested on the 920). No battery readings. No
 recording. No plugins. Keymap needs work.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21083 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/samsung/button-yh82x_yh92x.c | 72 ++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 firmware/target/arm/samsung/button-yh82x_yh92x.c

(limited to 'firmware/target/arm/samsung/button-yh82x_yh92x.c')

diff --git a/firmware/target/arm/samsung/button-yh82x_yh92x.c b/firmware/target/arm/samsung/button-yh82x_yh92x.c
new file mode 100644
index 0000000000..1ed8089b90
--- /dev/null
+++ b/firmware/target/arm/samsung/button-yh82x_yh92x.c
@@ -0,0 +1,72 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Mark Arigo
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "system.h"
+#include "button.h"
+#include "backlight.h"
+
+void button_init_device(void)
+{
+    /* TODO...for now, hardware initialisation is done by the OF bootloader */
+}
+
+bool button_hold(void)
+{
+    return (~GPIOA_INPUT_VAL & 0x1);
+}
+
+/*
+ * Get button pressed from hardware
+ */
+int button_read_device(void)
+{
+    int btn = BUTTON_NONE;
+    static bool hold_button = false;
+    bool hold_button_old;
+
+    /* Hold */
+    hold_button_old = hold_button;
+    hold_button = button_hold();
+
+#ifndef BOOTLOADER
+    if (hold_button != hold_button_old)
+        backlight_hold_changed(hold_button);
+#endif
+
+    /* device buttons */
+    if (!hold_button)
+    {
+        if (~GPIOA_INPUT_VAL & 0x04) btn |= BUTTON_LEFT;
+        if (~GPIOA_INPUT_VAL & 0x20) btn |= BUTTON_RIGHT;
+        if (~GPIOA_INPUT_VAL & 0x10) btn |= BUTTON_UP;
+        if (~GPIOA_INPUT_VAL & 0x08) btn |= BUTTON_DOWN;
+        if (~GPIOA_INPUT_VAL & 0x02) btn |= BUTTON_FFWD;
+        if (~GPIOA_INPUT_VAL & 0x80) btn |= BUTTON_REW;
+        if (~GPIOA_INPUT_VAL & 0x40) btn |= BUTTON_REC;
+#if defined(SAMSUNG_YH820)
+        if ( GPIOB_INPUT_VAL & 0x80) btn |= BUTTON_PLAY;
+#elif defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
+        if ( GPIOD_INPUT_VAL & 0x04) btn |= BUTTON_PLAY;
+#endif
+    }
+
+    return btn;
+}
-- 
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