1 files changed, 98 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c b/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c
new file mode 100644
index 0000000000..fc2715216c
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.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;
+}