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Diffstat (limited to 'firmware/target/arm/rk27xx/ihifi2/button-ihifi.c')
-rw-r--r--firmware/target/arm/rk27xx/ihifi2/button-ihifi.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/ihifi2/button-ihifi.c b/firmware/target/arm/rk27xx/ihifi2/button-ihifi.c
new file mode 100644
index 0000000000..172853a83a
--- /dev/null
+++ b/firmware/target/arm/rk27xx/ihifi2/button-ihifi.c
@@ -0,0 +1,99 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2016 by Roman Stolyarov
+ *
+ * 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 "kernel.h"
+#include "button.h"
+#include "adc.h"
+#include "backlight.h"
+
+static bool soft_hold = false;
+#ifndef BOOTLOADER
+static unsigned hold_counter = 0;
+#ifndef IHIFI800
+#define HOLDBUTTON gpio_btn
+#define HOLDCNTMAX HZ
+#else
+#define HOLDBUTTON (gpio_btn) && (adc_val > 325) && (adc_val < 480)
+#define HOLDCNTMAX (HZ/10)
+#endif
+#endif
+
+void button_init_device(void) {
+ GPIO_PCCON &= ~(1<<1); /* PWR BTN */
+ GPIO_PCCON &= ~(1<<7); /* CD */
+}
+
+bool button_hold(void)
+{
+ return soft_hold;
+}
+
+int button_read_device(void) {
+ int adc_val = adc_read(ADC_BUTTONS);
+ int gpio_btn = GPIO_PCDR & (1<<1);
+
+ int button = BUTTON_NONE;
+
+ if (gpio_btn)
+ button |= BUTTON_POWER;
+
+#ifndef BOOTLOADER
+ if (HOLDBUTTON) {
+ if (++hold_counter == HOLDCNTMAX) {
+ soft_hold = !soft_hold;
+ backlight_hold_changed(soft_hold);
+ }
+ } else {
+ hold_counter = 0;
+ }
+ if (soft_hold) {
+ return (hold_counter <= HOLDCNTMAX) ? BUTTON_NONE : button;
+ }
+#endif
+
+ if (adc_val < 792) {
+ if (adc_val < 480) {
+ if (adc_val < 170) {
+ if (adc_val < 46) {
+ button |= BUTTON_HOME; // 0-45
+ } else {
+ button |= BUTTON_PLAY; // 46-169
+ }
+ } else {
+ if (adc_val < 325) {
+ button |= BUTTON_NEXT; // 170-324
+ } else {
+ button |= BUTTON_VOL_UP;// 325-479
+ }
+ }
+ } else {
+ if (adc_val < 636) {
+ button |= BUTTON_VOL_DOWN;// 480-635
+ } else {
+ button |= BUTTON_PREV; // 636-791
+ }
+ }
+ }
+
+ return button;
+}