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Diffstat (limited to 'firmware/target/sh/archos/player/button-player.c')
-rwxr-xr-xfirmware/target/sh/archos/player/button-player.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/firmware/target/sh/archos/player/button-player.c b/firmware/target/sh/archos/player/button-player.c
new file mode 100755
index 0000000000..fbc940f7de
--- /dev/null
+++ b/firmware/target/sh/archos/player/button-player.c
@@ -0,0 +1,74 @@
+/***************************************************************************
+ * __________ __ ___.
+ * 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"
+
+/*
+ Player hardware button hookup
+ =============================
+
+ Player
+ ------
+ LEFT: AN0
+ MENU: AN1
+ RIGHT: AN2
+ PLAY: AN3
+
+ STOP: PA11
+ ON: PA5
+
+ All buttons are low active
+*/
+
+void button_init_device(void)
+{
+ /* set PA5 and PA11 as input pins */
+ PACR1 &= 0xff3f; /* PA11MD = 00 */
+ PACR2 &= 0xfbff; /* PA5MD = 0 */
+ PAIOR &= ~0x0820; /* Inputs */
+}
+
+int button_read_device(void)
+{
+ int btn = BUTTON_NONE;
+ int data;
+
+ /* buttons are active low */
+ if (adc_read(0) < 0x180)
+ btn = BUTTON_LEFT;
+ if (adc_read(1) < 0x180)
+ btn |= BUTTON_MENU;
+ if (adc_read(2) < 0x180)
+ btn |= BUTTON_RIGHT;
+ if (adc_read(3) < 0x180)
+ btn |= BUTTON_PLAY;
+
+ /* check port A pins for ON and STOP */
+ data = PADR;
+ if ( !(data & 0x0020) )
+ btn |= BUTTON_ON;
+ if ( !(data & 0x0800) )
+ btn |= BUTTON_STOP;
+
+ return btn;
+}