From 74c75e5c047c772a5539554156f079d2a003fe4a Mon Sep 17 00:00:00 2001
From: Dave Chapman <dave@dchapman.com>
Date: Sat, 1 Nov 2008 10:29:23 +0000
Subject: Add Sansa Fuze to the build system, including a first (untested)
 attempt at an LCD driver.  Lots of things are just copied from the e200v2, so
 this code needs testing, and then drivers properly merged if they prove to be
 the same.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18957 a1c6a512-1295-4272-9138-f99709370657
---
 .../target/arm/as3525/sansa-fuze/button-fuze.c     | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 firmware/target/arm/as3525/sansa-fuze/button-fuze.c

(limited to 'firmware/target/arm/as3525/sansa-fuze/button-fuze.c')

diff --git a/firmware/target/arm/as3525/sansa-fuze/button-fuze.c b/firmware/target/arm/as3525/sansa-fuze/button-fuze.c
new file mode 100644
index 0000000000..fc2715216c
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-fuze/button-fuze.c
@@ -0,0 +1,98 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Barry Wardell
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* Taken from button-h10.c by Barry Wardell and reverse engineering by MrH. */
+
+#include "system.h"
+#include "button.h"
+#include "backlight.h"
+#include "powermgmt.h"
+
+#define WHEEL_REPEAT_INTERVAL   300000
+#define WHEEL_FAST_ON_INTERVAL   20000
+#define WHEEL_FAST_OFF_INTERVAL  60000
+#define WHEELCLICKS_PER_ROTATION    48 /* wheelclicks per full rotation */
+
+/* Clickwheel */
+#ifndef BOOTLOADER
+static unsigned int  old_wheel_value   = 0;
+static unsigned int  wheel_repeat      = BUTTON_NONE;
+static unsigned int  wheel_click_count = 0;
+static unsigned int  wheel_delta       = 0;
+static          int  wheel_fast_mode   = 0;
+static unsigned long last_wheel_usec   = 0;
+static unsigned long wheel_velocity    = 0;
+static          long last_wheel_post   = 0;
+static          long next_backlight_on = 0;
+/* Buttons */
+static bool hold_button     = false;
+static bool hold_button_old = false;
+#define _button_hold() hold_button
+#else
+#define _button_hold() false  /* FIXME */
+#endif /* BOOTLOADER */
+static int  int_btn         = BUTTON_NONE;
+
+void button_init_device(void)
+{
+}
+
+bool button_hold(void)
+{
+    return _button_hold();
+}
+
+/* clickwheel */
+#ifndef BOOTLOADER
+void clickwheel_int(void)
+{
+}
+#endif /* BOOTLOADER */
+
+/* device buttons */
+void button_int(void)
+{
+    unsigned char state;
+
+    int_btn = BUTTON_NONE;
+
+}
+
+/*
+ * Get button pressed from hardware
+ */
+int button_read_device(void)
+{
+#ifdef BOOTLOADER
+    /* Read buttons directly in the bootloader */
+    button_int();
+#else
+    /* light handling */
+    if (hold_button != hold_button_old)
+    {
+        hold_button_old = hold_button;
+        backlight_hold_changed(hold_button);
+    }
+#endif /* BOOTLOADER */
+
+    /* The int_btn variable is set in the button interrupt handler */
+    return int_btn;
+}
-- 
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