From d462a64a918117991e11dade2d7fa3a28196e07a Mon Sep 17 00:00:00 2001
From: Dave Chapman <dave@dchapman.com>
Date: Sat, 6 Sep 2008 17:50:59 +0000
Subject: Initial commit of iaudio 7 port by Vitja Makarov (FS#9245).  Port is
 at quite an advanced stage, but is troubled by the lack of a reliable NAND
 driver (similar to the Cowon D2 port) and is not yet suitable for
 non-developers.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18435 a1c6a512-1295-4272-9138-f99709370657
---
 .../target/arm/tcc77x/iaudio7/button-iaudio7.c     | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c

(limited to 'firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c')

diff --git a/firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c b/firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c
new file mode 100644
index 0000000000..3aad4f75a4
--- /dev/null
+++ b/firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 Vitja Makarov
+ *
+ * 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 "config.h"
+#include "cpu.h"
+#include "button.h"
+#include "adc.h"
+
+#include "button-target.h"
+#include "ata2501.h"
+
+void button_init_device(void)
+{
+    ata2501_init();
+}
+
+/*
+ touchpad:
+  0: stop
+  1-8: between next & prev
+  9: play
+  10: next
+  11: prev
+*/
+
+int button_read_device(void)
+{
+    int btn = BUTTON_NONE;
+    int adc;
+    int sensor;
+
+    if (button_hold())
+        return BUTTON_NONE;
+
+    adc = adc_read(0);
+    sensor = ata2501_read();
+
+    if (0 == (GPIOA & 4))
+        btn |= BUTTON_POWER;
+
+    /* seems they can't be hold together */
+    if (adc < 0x120)
+        btn |= BUTTON_VOLUP;
+    else if (adc < 0x270)
+        btn |= BUTTON_VOLDOWN;
+    else if (adc < 0x300)
+        btn |= BUTTON_MENU;
+
+    if (sensor & (1 << 0))
+        btn |= BUTTON_STOP;
+    if (sensor & (1 << 9))
+        btn |= BUTTON_PLAY;
+    if (sensor & ((1 << 10) | 0x1c0))
+        btn |= BUTTON_RIGHT;
+    if (sensor & ((1 << 11) | 0xe))
+        btn |= BUTTON_LEFT;
+
+    return btn;
+}
+
+bool button_hold(void)
+{
+    return !(GPIOA & 0x2);
+}
-- 
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