1 files changed, 62 insertions, 0 deletions

diff --git a/firmware/target/arm/sandisk/sansa-c200/button-c200.c b/firmware/target/arm/sandisk/sansa-c200/button-c200.c
new file mode 100644
index 0000000000..eedd937699
--- /dev/null
+++ b/firmware/target/arm/sandisk/sansa-c200/button-c200.c
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2007 by Mark Arigo
+ *
+ * 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 "system.h"
+#include "button.h"
+#include "backlight.h"
+
+void button_init_device(void)
+{
+    /* TODO...for now, hardware initialisation is done by the c200 bootloader */
+}
+
+bool button_hold(void)
+{
+    return !(GPIOI_INPUT_VAL & 0x80);
+}
+
+/*
+ * Get button pressed from hardware
+ */
+int button_read_device(void)
+{
+    int btn = BUTTON_NONE;
+    static bool hold_button = false;
+    bool hold_button_old;
+
+    /* Hold */
+    hold_button_old = hold_button;
+    hold_button = button_hold();
+
+    /* device buttons */
+    if (!hold_button)
+    {
+        if ( (GPIOB_INPUT_VAL & 0x20)) btn |= BUTTON_POWER;
+        if (!(GPIOG_INPUT_VAL & 0x10)) btn |= BUTTON_UP;
+        if (!(GPIOH_INPUT_VAL & 0x01)) btn |= BUTTON_DOWN;
+        if (!(GPIOI_INPUT_VAL & 0x04)) btn |= BUTTON_LEFT;
+        if (!(GPIOG_INPUT_VAL & 0x02)) btn |= BUTTON_RIGHT;
+        if (!(GPIOL_INPUT_VAL & 0x04)) btn |= BUTTON_SELECT;
+        if (!(GPIOG_INPUT_VAL & 0x01)) btn |= BUTTON_REC;
+        if (!(GPIOL_INPUT_VAL & 0x10)) btn |= BUTTON_VOL_UP;
+        if (!(GPIOL_INPUT_VAL & 0x20)) btn |= BUTTON_VOL_DOWN;
+    }
+
+    return btn;
+}