167 lines
4 KiB
C
167 lines
4 KiB
C
/***************************************************************************
|
|
* __________ __ ___
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
*
|
|
* Copyright (C) 2017 Marcin Bukat
|
|
* Copyright (C) 2018 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 <poll.h>
|
|
//#include <dir.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <linux/input.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "sysfs.h"
|
|
#include "button.h"
|
|
#include "button-target.h"
|
|
#include "panic.h"
|
|
|
|
#include "kernel.h"
|
|
#include "backlight.h"
|
|
#include "backlight-target.h"
|
|
#include "xduoolinux_codec.h"
|
|
|
|
#define NR_POLL_DESC 3
|
|
static struct pollfd poll_fds[NR_POLL_DESC];
|
|
|
|
static int button_map(int keycode)
|
|
{
|
|
switch(keycode)
|
|
{
|
|
case KEY_BACK:
|
|
return BUTTON_HOME;
|
|
|
|
case KEY_MENU:
|
|
return BUTTON_OPTION;
|
|
|
|
case KEY_UP:
|
|
return BUTTON_PREV;
|
|
|
|
case KEY_DOWN:
|
|
return BUTTON_NEXT;
|
|
|
|
case KEY_ENTER:
|
|
return BUTTON_PLAY;
|
|
|
|
case KEY_VOLUMEUP:
|
|
return BUTTON_VOL_UP;
|
|
|
|
case KEY_VOLUMEDOWN:
|
|
return BUTTON_VOL_DOWN;
|
|
|
|
case KEY_POWER:
|
|
return BUTTON_POWER;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void button_init_device(void)
|
|
{
|
|
const char * const input_devs[] = {
|
|
"/dev/input/event0",
|
|
"/dev/input/event1",
|
|
"/dev/input/event2"
|
|
};
|
|
|
|
for(int i = 0; i < NR_POLL_DESC; i++)
|
|
{
|
|
int fd = open(input_devs[i], O_RDWR);
|
|
|
|
if(fd < 0)
|
|
{
|
|
panicf("Cannot open input device: %s\n", input_devs[i]);
|
|
}
|
|
|
|
poll_fds[i].fd = fd;
|
|
poll_fds[i].events = POLLIN;
|
|
poll_fds[i].revents = 0;
|
|
}
|
|
}
|
|
|
|
int button_read_device(void)
|
|
{
|
|
static int button_bitmap = 0;
|
|
struct input_event event;
|
|
|
|
/* check if there are any events pending and process them */
|
|
while(poll(poll_fds, NR_POLL_DESC, 0))
|
|
{
|
|
for(int i = 0; i < NR_POLL_DESC; i++)
|
|
{
|
|
/* read only if non-blocking */
|
|
if(poll_fds[i].revents & POLLIN)
|
|
{
|
|
int size = read(poll_fds[i].fd, &event, sizeof(event));
|
|
if(size == (int)sizeof(event))
|
|
{
|
|
int keycode = event.code;
|
|
/* event.value == 1 means press
|
|
* event.value == 0 means release
|
|
*/
|
|
bool press = event.value ? true : false;
|
|
|
|
/* map linux event code to rockbox button bitmap */
|
|
if(press)
|
|
{
|
|
button_bitmap |= button_map(keycode);
|
|
}
|
|
else
|
|
{
|
|
button_bitmap &= ~button_map(keycode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return button_bitmap;
|
|
}
|
|
|
|
bool headphones_inserted(void)
|
|
{
|
|
#ifdef BOOTLOADER
|
|
int ps = 0;
|
|
#else
|
|
int ps = xduoo_get_outputs();
|
|
#endif
|
|
|
|
return (ps == 2 || ps == 3);
|
|
}
|
|
|
|
bool lineout_inserted(void)
|
|
{
|
|
#ifdef BOOTLOADER
|
|
int ps = 0;
|
|
#else
|
|
int ps = xduoo_get_outputs();
|
|
#endif
|
|
return (ps == 1);
|
|
}
|
|
|
|
void button_close_device(void)
|
|
{
|
|
/* close descriptors */
|
|
for(int i = 0; i < NR_POLL_DESC; i++)
|
|
{
|
|
close(poll_fds[i].fd);
|
|
}
|
|
}
|