udev_joypad.c File Reference

#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <libudev.h>
#include <linux/input.h>
#include <retro_inline.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#include "../input_driver.h"
#include "../../tasks/tasks_internal.h"
#include "../../verbosity.h"

Include dependency graph for udev_joypad.c:

Classes
struct	udev_joypad
struct	joypad_udev_entry

Macros
#define	UDEV_NUM_BUTTONS   32
#define	NUM_AXES   32
#define	NUM_HATS   4
#define	test_bit(nr, addr)   (((1UL << ((nr) % (sizeof(long) * CHAR_BIT))) & ((addr)[(nr) / (sizeof(long) * CHAR_BIT)])) != 0)
#define	NBITS(x)   ((((x) - 1) / (sizeof(long) * CHAR_BIT)) + 1)

Functions
static INLINE int16_t	udev_compute_axis (const struct input_absinfo *info, int value)
static int	udev_find_vacant_pad (void)
static int	udev_open_joystick (const char *path)
static int	udev_add_pad (struct udev_device *dev, unsigned p, int fd, const char *path)
static void	udev_check_device (struct udev_device *dev, const char *path)
static void	udev_free_pad (unsigned pad)
static void	udev_joypad_remove_device (const char *path)
static void	udev_joypad_destroy (void)
static bool	udev_set_rumble (unsigned i, enum retro_rumble_effect effect, uint16_t strength)
static bool	udev_joypad_poll_hotplug_available (struct udev_monitor *dev)
static void	udev_joypad_poll (void)
static int	sort_devnodes (const void *a, const void *b)
static bool	udev_joypad_init (void *data)
static bool	udev_joypad_button (unsigned port, uint16_t joykey)
static void	udev_joypad_get_buttons (unsigned port, input_bits_t *state)
static int16_t	udev_joypad_axis (unsigned port, uint32_t joyaxis)
static bool	udev_joypad_query_pad (unsigned pad)
static const char *	udev_joypad_name (unsigned pad)

Variables
static struct udev *	udev_joypad_fd = NULL
static struct udev_monitor *	udev_joypad_mon = NULL
static struct udev_joypad	udev_pads [MAX_USERS]
input_device_driver_t	udev_joypad

Macro Definition Documentation

NBITS

#define NBITS

(

x

)

((((x) - 1) / (sizeof(long) * CHAR_BIT)) + 1)

NUM_AXES

#define NUM_AXES   32

NUM_HATS

#define NUM_HATS   4

test_bit

#define test_bit	(		nr,
			addr
	)		(((1UL << ((nr) % (sizeof(long) * CHAR_BIT))) & ((addr)[(nr) / (sizeof(long) * CHAR_BIT)])) != 0)

UDEV_NUM_BUTTONS

#define UDEV_NUM_BUTTONS   32

Function Documentation

sort_devnodes()

static int sort_devnodes ( const void *  a, const void *  b  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_add_pad()

static int udev_add_pad ( struct udev_device *  dev, unsigned  p, int  fd, const char *  path  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_check_device()

static void udev_check_device ( struct udev_device *  dev, const char *  path  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_compute_axis()

static INLINE int16_t udev_compute_axis ( const struct input_absinfo *  info, int  value  )

static

Here is the caller graph for this function:

udev_find_vacant_pad()

static int udev_find_vacant_pad ( void  )

static

Here is the caller graph for this function:

udev_free_pad()

static void udev_free_pad ( unsigned  pad )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_joypad_axis()

static int16_t udev_joypad_axis ( unsigned  port, uint32_t  joyaxis  )

static

udev_joypad_button()

static bool udev_joypad_button ( unsigned  port, uint16_t  joykey  )

static

udev_joypad_destroy()

static void udev_joypad_destroy ( void  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_joypad_get_buttons()

static void udev_joypad_get_buttons ( unsigned  port, input_bits_t *  state  )

static

udev_joypad_init()

static bool udev_joypad_init ( void *  data )

static

Here is the call graph for this function:

udev_joypad_name()

static const char* udev_joypad_name ( unsigned  pad )

static

Here is the call graph for this function:

udev_joypad_poll()

static void udev_joypad_poll ( void  )

static

Here is the call graph for this function:

udev_joypad_poll_hotplug_available()

static bool udev_joypad_poll_hotplug_available ( struct udev_monitor *  dev )

static

Here is the caller graph for this function:

udev_joypad_query_pad()

static bool udev_joypad_query_pad ( unsigned  pad )

static

udev_joypad_remove_device()

static void udev_joypad_remove_device ( const char *  path )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_open_joystick()

static int udev_open_joystick ( const char *  path )

static

Here is the call graph for this function:

Here is the caller graph for this function:

udev_set_rumble()

static bool udev_set_rumble ( unsigned  i, enum retro_rumble_effect  effect, uint16_t  strength  )

static

Here is the call graph for this function:

Variable Documentation

udev_joypad

input_device_driver_t udev_joypad

Initial value:

= {
 udev_joypad_init,
 udev_joypad_query_pad,
 udev_joypad_destroy,
 udev_joypad_button,
 udev_joypad_get_buttons,
 udev_joypad_axis,
 udev_joypad_poll,
 udev_set_rumble,
 udev_joypad_name,
 "udev",
}

udev_joypad_fd

struct udev* udev_joypad_fd = NULL

static

udev_joypad_mon

struct udev_monitor* udev_joypad_mon = NULL

static

udev_pads

struct udev_joypad udev_pads[MAX_USERS]

static