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;
+}