I got bullied in IRC by linuxstb and markun...

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14909 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 96 insertions, 0 deletions

diff --git a/firmware/target/arm/tms320dm320/mrobe-500/button-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/button-mr500.c
new file mode 100644
index 0000000000..1d0d2714a8
--- /dev/null
+++ b/firmware/target/arm/tms320dm320/mrobe-500/button-mr500.c
@@ -0,0 +1,96 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2007 by Karl Kurbjun
+ *
+ * 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 "cpu.h"
+#include "system.h"
+#include "button.h"
+#include "kernel.h"
+#include "backlight.h"
+#include "adc.h"
+#include "system.h"
+#include "backlight-target.h"
+#include "uart-target.h"
+
+#define BUTTON_TIMEOUT 50
+
+#define BUTTON_START_BYTE 0xF0
+#define BUTTON_START_BYTE2 0xF4 /* not sure why, but sometimes you get F0 or F4, */
+                                /* but always the same one for the session? */
+
+void button_init_device(void)
+{
+    /* GIO is the power button, set as input */
+    IO_GIO_DIR0 |= 0x01;
+}
+
+inline bool button_hold(void)
+{
+    return false;
+}
+
+int button_read_device(void)
+{
+    char data[5], c;
+    int i = 0;
+    int btn = BUTTON_NONE;
+    
+    if ((IO_GIO_BITSET0&0x01) == 0)
+        btn |= BUTTON_POWER;
+        
+    uart1_heartbeat();
+    while (uartAvailable())
+    {
+        if (uart1_getch(&c))
+        {
+            if (i && (data[0] == BUTTON_START_BYTE || data[0] == BUTTON_START_BYTE2))
+            {
+                data[i++] = c;
+            }
+            else if (c == BUTTON_START_BYTE ||
+                     c == BUTTON_START_BYTE2)
+            {
+                data[0] = c;
+                i = 1;
+            }
+            
+            if (i == 5)
+            {
+                if (data[1]& (1<<7))
+                    btn |= BUTTON_RC_HEART;
+                if (data[1]& (1<<6))
+                    btn |= BUTTON_RC_MODE;
+                if (data[1]& (1<<5))
+                    btn |= BUTTON_RC_VOL_DOWN;
+                if (data[1]& (1<<4))
+                    btn |= BUTTON_RC_VOL_UP;
+                if (data[1]& (1<<3))
+                    btn |= BUTTON_RC_REW;
+                if (data[1]& (1<<2))
+                    btn |= BUTTON_RC_FF;
+                if (data[1]& (1<<1))
+                    btn |= BUTTON_RC_DOWN;
+                if (data[1]& (1<<0))
+                    btn |= BUTTON_RC_PLAY;
+                break;
+            }
+        }
+    }
+    return btn;
+}