From c849219370fd65be2167a24a9f06f03bc1284ac1 Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Thu, 27 Jul 2006 13:27:31 +0000
Subject: Moved the X5 button driver to the target tree

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10339 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/coldfire/iaudio/x5/button-x5.c | 131 +++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100755 firmware/target/coldfire/iaudio/x5/button-x5.c

(limited to 'firmware/target/coldfire/iaudio/x5/button-x5.c')

diff --git a/firmware/target/coldfire/iaudio/x5/button-x5.c b/firmware/target/coldfire/iaudio/x5/button-x5.c
new file mode 100755
index 0000000000..07bc7bf3f7
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/x5/button-x5.c
@@ -0,0 +1,131 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Linus Nielsen Feltzing
+ *
+ * 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 <stdlib.h>
+#include "config.h"
+#include "cpu.h"
+#include "system.h"
+#include "button.h"
+#include "kernel.h"
+#include "backlight.h"
+#include "adc.h"
+#include "system.h"
+
+void button_init_device(void)
+{
+    /* Power, Remote Play & Hold switch */
+    GPIO_FUNCTION |= 0x0e000000;
+    GPIO_ENABLE &= ~0x0e000000;
+}
+
+bool button_hold(void)
+{
+    return (GPIO_READ & 0x08000000)?false:true;
+}
+
+bool remote_button_hold(void)
+{
+    return false; /* TODO X5 */
+}
+
+int button_read_device(void)
+{
+    int data;
+    int btn = BUTTON_NONE;
+    static bool hold_button = false;
+    static bool remote_hold_button = false;
+
+    /* backlight handling */
+    if (hold_button && !button_hold())
+    {
+        backlight_on();
+    }
+    /* TODO: add light handling for the remote */
+
+    hold_button = button_hold();
+    remote_hold_button = remote_button_hold();
+
+    /* normal buttons */
+    if (!hold_button)
+    {
+        data = adc_scan(ADC_BUTTONS);
+        if (data < 0xf0)
+        {
+            if(data < 0x7c)
+                if(data < 0x42)
+                    btn = BUTTON_LEFT;
+                else
+                    if(data < 0x62)
+                        btn = BUTTON_RIGHT;
+                    else
+                        btn = BUTTON_SELECT;
+            else
+                if(data < 0xb6)
+                    if(data < 0x98)
+                        btn = BUTTON_REC;
+                    else
+                        btn = BUTTON_PLAY;
+                else
+                    if(data < 0xd3)
+                        btn = BUTTON_DOWN;
+                    else
+                        btn = BUTTON_UP;
+        }
+    }
+
+    /* remote buttons */
+    data = adc_scan(ADC_REMOTE);
+    if(data < 0x17)
+        remote_hold_button = true;
+
+    if(!remote_hold_button)
+    {
+        if (data < 0xee)
+        {
+            if(data < 0x7a)
+                if(data < 0x41)
+                    btn |= BUTTON_RC_REW;
+                else
+                    if(data < 0x61)
+                        btn |= BUTTON_RC_FF;
+                    else
+                        btn |= BUTTON_RC_MODE;
+            else
+                if(data < 0xb4)
+                    if(data < 0x96)
+                        btn |= BUTTON_RC_REC;
+                    else
+                        btn |= BUTTON_RC_MENU;
+                else
+                    if(data < 0xd1)
+                        btn |= BUTTON_RC_VOL_UP;
+                    else
+                        btn |= BUTTON_RC_VOL_DOWN;
+        }
+    }
+
+    data = GPIO_READ;
+    if (!(data & 0x04000000))
+        btn |= BUTTON_POWER;
+
+    if (!(data & 0x02000000))
+        btn |= BUTTON_RC_PLAY;
+
+    return btn;
+}
-- 
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