d4942cc74c
Taken from the xvortex fork (Roman Stolyarov) Ported, rebased, and cleaned up by myself. Change-Id: I7b2bca2d29502f2e4544e42f3d122786dd4b7978
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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;
|
|
}
|