1 files changed, 65 insertions, 0 deletions

diff --git a/firmware/target/sh/archos/ondio/button-ondio.c b/firmware/target/sh/archos/ondio/button-ondio.c
new file mode 100755
index 0000000000..c8797f743d
--- /dev/null
+++ b/firmware/target/sh/archos/ondio/button-ondio.c
@@ -0,0 +1,65 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Jens Arnold
+ *
+ * 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 "config.h"
+#include "system.h"
+#include "button.h"
+#include "backlight.h"
+#include "adc.h"
+
+/*
+ Ondio hardware button hookup
+ ============================
+
+ LEFT, RIGHT, UP, DOWN:    connected to AN4 through a resistor network
+
+ The voltage on AN4 depends on which keys (or key combo) is pressed
+
+ OPTION: AN2, high active (assigned as MENU)
+ ON/OFF: AN3, low active (assigned as OFF)
+*/
+
+int button_read_device(void)
+{
+    int btn = BUTTON_NONE;
+    int data;
+
+    /* Check the 4 direction keys */
+    data = adc_read(ADC_BUTTON_ROW1);
+    if (data >= 165)
+    {
+        if (data >= 585)
+            if (data >= 755)
+                btn = BUTTON_LEFT;
+            else
+                btn = BUTTON_RIGHT;
+        else
+            if (data >= 415)
+                btn = BUTTON_UP;
+            else
+                btn = BUTTON_DOWN;
+    }
+
+    if(adc_read(ADC_BUTTON_OPTION) > 0x200) /* active high */
+        btn |= BUTTON_MENU;
+    if(adc_read(ADC_BUTTON_ONOFF) < 0x120) /* active low */
+        btn |= BUTTON_OFF;
+        
+    return btn;
+}