From 553626a9582a266f99134f735759e63da0a44714 Mon Sep 17 00:00:00 2001
From: Frank Gevaerts <frank@gevaerts.be>
Date: Mon, 18 Jan 2010 19:05:20 +0000
Subject: Add initial Packard Bell Vibe 500 port, by Szymon Dziok

Author: Szymon Dziok
Flyspray: FS#10912


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24276 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/pbell/vibe500/button-vibe500.c | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 firmware/target/arm/pbell/vibe500/button-vibe500.c

(limited to 'firmware/target/arm/pbell/vibe500/button-vibe500.c')

diff --git a/firmware/target/arm/pbell/vibe500/button-vibe500.c b/firmware/target/arm/pbell/vibe500/button-vibe500.c
new file mode 100644
index 0000000000..c95e996ef8
--- /dev/null
+++ b/firmware/target/arm/pbell/vibe500/button-vibe500.c
@@ -0,0 +1,114 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2009 Szymon Dziok
+ * Based on the Iriver H10 and the Philips HD1630 code
+ *
+ * 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 "system.h"
+#include "button.h"
+#include "backlight.h"
+#include "synaptics-mep.h"
+
+static int int_btn = BUTTON_NONE;
+static int old_pos = -1;
+
+void button_init_device(void)
+{
+}
+
+/*
+ * Button interrupt handler
+ */
+void button_int(void)
+{
+    char data[4];
+    int val;
+
+    int_btn = BUTTON_NONE;
+
+    val = touchpad_read_device(data, 4);
+
+    if (val == MEP_BUTTON_HEADER)
+    {
+        /* Buttons packet */
+        if (data[1] & 0x1)
+            int_btn |= BUTTON_MENU;
+        if (data[1] & 0x2)
+            int_btn |= BUTTON_PLAY;
+        if (data[1] & 0x4)
+            int_btn |= BUTTON_NEXT;
+        if (data[1] & 0x8)
+            int_btn |= BUTTON_PREV;
+    }
+    else if (val == MEP_ABSOLUTE_HEADER)
+    {
+        /* Absolute packet - the finger is on the vertical strip.
+           Position ranges from 1-4095, with 1 at the bottom. */
+        val = ((data[1] >> 4) << 8) | data[2]; /* position */
+
+        if (val > 0)
+	{
+	    int scr_pos = val >> 8; /* split the scrollstrip into 16 regions */
+	    if ((old_pos<scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_DOWN;
+	    if ((old_pos>scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_UP;
+	    old_pos = scr_pos;
+	}
+        else old_pos=-1;
+    }
+}
+
+int button_read_device(void)
+{
+    int buttons = int_btn;
+    unsigned char state;
+    static bool hold_button = false;
+    bool hold_button_old;
+
+    hold_button_old = hold_button;
+    hold_button = button_hold();
+
+#ifndef BOOTLOADER
+    if (hold_button != hold_button_old)
+    {
+        backlight_hold_changed(hold_button);
+    }
+#endif
+
+    /* device buttons */
+    if (!hold_button)
+    {
+        /* Read Record, OK, C */
+	state = GPIOA_INPUT_VAL;
+	if ((state & 0x01)==0) buttons|=BUTTON_REC;
+	if ((state & 0x40)==0) buttons|=BUTTON_OK;
+	if ((state & 0x08)==0) buttons|=BUTTON_CANCEL;
+
+        /* Read POWER button */
+	if ((GPIOD_INPUT_VAL & 0x40)==0) buttons|=BUTTON_POWER;
+    }
+    else return BUTTON_NONE;
+    return buttons;
+}
+
+bool button_hold(void)
+{
+    /* GPIOK 01000000B - HOLD when bit not set */
+    return (GPIOK_INPUT_VAL & 0x40)?false:true;
+}
+
-- 
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