From 2164aab9020bb37ec71a24461c4c42bc4e2eb2d3 Mon Sep 17 00:00:00 2001
From: Andrew Ryabinin <ryabinin.a.a@gmail.com>
Date: Thu, 3 Nov 2011 11:53:02 +0000
Subject: Added HiFiMAN HM-801 target. FS#12355. This also renames tda1543.{ch}
 used by HM-60x to dummy_codec.{ch} as it works for PCM1704 used by HM-801.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30891 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/rk27xx/hm801/button-hm801.c | 68 +++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 firmware/target/arm/rk27xx/hm801/button-hm801.c

(limited to 'firmware/target/arm/rk27xx/hm801/button-hm801.c')

diff --git a/firmware/target/arm/rk27xx/hm801/button-hm801.c b/firmware/target/arm/rk27xx/hm801/button-hm801.c
new file mode 100644
index 0000000000..8e3d46bf0d
--- /dev/null
+++ b/firmware/target/arm/rk27xx/hm801/button-hm801.c
@@ -0,0 +1,68 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 Andrew Ryabinin
+ *
+ * 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 "system.h"
+#include "button.h"
+#include "adc.h"
+
+void button_init_device(void) {
+    /* setup button gpio as input */
+    GPIO_PCCON &= ~(POWEROFF_BUTTON);
+}
+
+int button_read_device(void) {
+    int adc_val = adc_read(ADC_BUTTONS);
+    int button =  0;
+
+    if (adc_val < 480) { /* middle */
+        if (adc_val < 200) { /* 200 - 0 */
+	    if (adc_val < 30) {
+	        button = BUTTON_UP;
+	    } else {
+	        button =  BUTTON_RIGHT; /* 30 - 200 */
+	    }
+        } else { /* 200 - 480 */
+	    if (adc_val < 370) {
+	        button =  BUTTON_SELECT;
+	    } else {
+ 	        button =  BUTTON_DOWN;
+	    }
+	}
+    } else { /*  > 480 */
+        if (adc_val < 690) { /* 480 - 690 */
+	    if (adc_val < 580) {
+	        button =  BUTTON_LEFT;
+	    } else {
+	        button =  BUTTON_NEXT;
+	    }
+	} else { /* > 680 */
+	    if (adc_val < 840) {
+	        button =  BUTTON_PREV;
+	    } else {
+	        if (adc_val < 920) {
+		    button =  BUTTON_PLAY;
+		}
+	    }
+	}
+    }
+    return button | (GPIO_PCDR & POWEROFF_BUTTON);
+}
-- 
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