1 files changed, 93 insertions, 0 deletions

diff --git a/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c b/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c
new file mode 100644
index 0000000000..c5d6c4941d
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c
@@ -0,0 +1,93 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by ??
+ *
+ * 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"
+
+void button_init_device(void)
+{
+    GPIOA_DIR &= ~((1<<3) | (1<<2) | (1<<1) | (1<<0));  /* A3-A0 is input */
+    GPIOA_DIR |= ((1<<6) | (1<<5) | (1<<4)); /* A4-A6 row outputs */
+}
+
+int button_read_device(void)
+{
+    int result = BUTTON_NONE;
+
+    /* direct GPIO connections */
+    if (GPIOA_PIN(3))
+        result |= BUTTON_MENU;
+
+    /* This is a keypad using A4-A6 as columns and A0-A2 as rows */
+    GPIOA_PIN(4) = (1<<4);
+
+    /* A4A0 is unused */
+
+    if (GPIOA_PIN(1))
+        result |= BUTTON_VOLDOWN;
+
+    if (GPIOA_PIN(2))
+        result |= BUTTON_PLAYPAUSE;
+
+    GPIOA_PIN(4) = 0x00;  
+    
+    GPIOA_PIN(5) = (1<<5);
+
+    if (GPIOA_PIN(0))
+        result |= BUTTON_LEFT;
+
+    if (GPIOA_PIN(1))
+        result |= BUTTON_SELECT;
+
+    if (GPIOA_PIN(2))
+        result |= BUTTON_RIGHT;
+
+    GPIOA_PIN(5) = 0x00;
+
+
+    GPIOA_PIN(6) = (1<<6);
+
+    if (GPIOA_PIN(0))
+        result |= BUTTON_REPEATAB;
+
+    if (GPIOA_PIN(1))
+        result |= BUTTON_VOLUP;
+
+    if (GPIOA_PIN(2))
+        result |= BUTTON_HOLD;
+    GPIOA_PIN(6) = 0x00;
+
+    return result;
+}
+
+bool button_hold(void)
+{
+    bool ret = false;
+    
+    GPIOA_PIN(6) = (1<<6);
+    if (GPIOA_PIN(2))
+        ret = true;
+    GPIOA_PIN(6) = 0x00; 
+    
+    return ret;
+}