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Diffstat (limited to 'firmware/target/arm/tcc77x/c100/button-c100.c')
-rw-r--r--firmware/target/arm/tcc77x/c100/button-c100.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/firmware/target/arm/tcc77x/c100/button-c100.c b/firmware/target/arm/tcc77x/c100/button-c100.c
new file mode 100644
index 0000000000..0183a833ae
--- /dev/null
+++ b/firmware/target/arm/tcc77x/c100/button-c100.c
@@ -0,0 +1,62 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id: button-logikdax.c 15396 2007-11-01 23:38:57Z dave $
+ *
+ * Copyright (C) 2007 by Dave Chapman
+ *
+ * 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 "button.h"
+#include "adc.h"
+
+void button_init_device(void)
+{
+ GPIOA_DIR |= 0xC;
+}
+
+int button_read_device(void)
+{
+ int btn = BUTTON_NONE;
+
+ if (!button_hold()){
+ GPIOA |= 0x4;
+ GPIOA &= ~0x8;
+
+ int i=20; while (i--);
+
+ if (GPIOA & 0x10) btn |= BUTTON_PLAYPAUSE; /* up */
+ if (GPIOA & 0x20) btn |= BUTTON_RIGHT;
+ if (GPIOA & 0x40) btn |= BUTTON_LEFT;
+
+ GPIOA |= 0x8;
+ GPIOA &= ~0x4;
+
+ i=20; while (i--);
+
+ if (GPIOA & 0x10) btn |= BUTTON_VOLUP;
+ if (GPIOA & 0x20) btn |= BUTTON_VOLDOWN;
+ if (GPIOA & 0x40) btn |= BUTTON_REPEATAB; /* down */
+
+ if (GPIOA & 0x80) btn |= BUTTON_SELECT;
+ if (GPIOA & 0x100) btn |= BUTTON_MENU;
+ }
+ return btn;
+}
+
+bool button_hold(void)
+{
+ return (GPIOA & 0x2);
+}