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Diffstat (limited to 'firmware/target/arm/rk27xx/ihifi/button-ihifi.c')
-rw-r--r--firmware/target/arm/rk27xx/ihifi/button-ihifi.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/ihifi/button-ihifi.c b/firmware/target/arm/rk27xx/ihifi/button-ihifi.c
new file mode 100644
index 0000000000..6477400255
--- /dev/null
+++ b/firmware/target/arm/rk27xx/ihifi/button-ihifi.c
@@ -0,0 +1,53 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2013 Andrew Ryabinin
+ *
+ * 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 "system.h"
+#include "button.h"
+#include "adc.h"
+#include "backlight.h"
+
+void button_init_device(void) {
+ /* setup button gpio as input */
+ GPIO_PCCON &= ~(POWEROFF_BUTTON);
+}
+
+int button_read_device(void) {
+ int adc_val = adc_read(ADC_BUTTONS);
+ int gpio_btn = GPIO_PCDR & BUTTON_PLAY;
+
+ if (adc_val < 270) {
+ if (adc_val < 110) { /* 0 - 109 */
+ return BUTTON_RETURN | gpio_btn;
+ } else { /* 110 - 269 */
+ return BUTTON_MENU |gpio_btn;
+ }
+ } else {
+ if (adc_val < 420) { /* 270 - 419 */
+ return BUTTON_BWD | gpio_btn;
+ } else if (adc_val < 580) { /* 420 - 579 */
+ return BUTTON_FWD | gpio_btn;
+ }
+ }
+ return gpio_btn;
+}
+
+