SDL  2.0
SDL_sysjoystick_c.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 #ifndef SDL_sysjoystick_c_h_
23 #define SDL_sysjoystick_c_h_
24 
25 #include <linux/input.h>
26 
27 struct SDL_joylist_item;
28 
29 /* The private structure used to keep track of a joystick */
30 struct joystick_hwdata
31 {
32  int fd;
33  struct SDL_joylist_item *item;
35  char *fname; /* Used in haptic subsystem */
36 
39  struct ff_effect effect;
40 
41  /* The current Linux joystick driver maps hats to two axes */
42  struct hwdata_hat
43  {
44  int axis[2];
45  } *hats;
46  /* The current Linux joystick driver maps balls to two axes */
47  struct hwdata_ball
48  {
49  int axis[2];
50  } *balls;
51 
52  /* Support for the Linux 2.4 unified input interface */
53  Uint8 key_map[KEY_MAX];
54  Uint8 abs_map[ABS_MAX];
55  struct axis_correct
56  {
57  int used;
58  int coef[3];
59  } abs_correct[ABS_MAX];
60 
61  int fresh;
62 
63  /* Steam Controller support */
65  /* 4 = (ABS_HAT3X-ABS_HAT0X)/2 (see input-event-codes.h in kernel) */
66  int hats_indices[4];
67 
68  /* Set when gamepad is pending removal due to ENODEV read error */
70 };
71 
72 #endif /* SDL_sysjoystick_c_h_ */
73 
74 /* vi: set ts=4 sw=4 expandtab: */
joystick_hwdata::guid
SDL_JoystickGUID guid
Definition: SDL_sysjoystick_c.h:71
joystick_hwdata::fresh
int fresh
Definition: SDL_sysjoystick_c.h:61
joystick_hwdata::hwdata_hat::axis
int axis[2]
Definition: SDL_sysjoystick_c.h:44
joystick_hwdata::abs_map
Uint8 abs_map[ABS_MAX]
Definition: SDL_sysjoystick_c.h:54
joystick_hwdata::key_map
Uint8 key_map[KEY_MAX]
Definition: SDL_sysjoystick_c.h:53
joystick_hwdata::axis_correct::used
int used
Definition: SDL_sysjoystick_c.h:57
joystick_hwdata::fname
char * fname
Definition: SDL_sysjoystick_c.h:35
joystick_hwdata::fd
int fd
Definition: SDL_sysjoystick_c.h:32
joystick_hwdata::gone
SDL_bool gone
Definition: SDL_sysjoystick_c.h:69
joystick_hwdata::abs_correct
struct joystick_hwdata::axis_correct abs_correct[ABS_MAX]
joystick_hwdata::hats
int hats
Definition: SDL_sysjoystick_c.h:61
joystick_hwdata::ff_rumble
SDL_bool ff_rumble
Definition: SDL_sysjoystick_c.h:37
joystick_hwdata::axis_correct
Definition: SDL_sysjoystick_c.h:55
joystick_hwdata::ff_sine
SDL_bool ff_sine
Definition: SDL_sysjoystick_c.h:38
joystick_hwdata::hwdata_ball
Definition: SDL_sysjoystick_c.h:47
joystick_hwdata::effect
struct ff_effect effect
Definition: SDL_sysjoystick_c.h:39
joystick_hwdata::m_bSteamController
SDL_bool m_bSteamController
Definition: SDL_sysjoystick_c.h:64
joystick_hwdata::hwdata_ball::axis
int axis[2]
Definition: SDL_sysjoystick_c.h:49
joystick_hwdata::axis_correct::coef
int coef[3]
Definition: SDL_sysjoystick_c.h:58
joystick_hwdata::hwdata_hat
Definition: SDL_sysjoystick_c.h:42
joystick_hwdata::item
struct SDL_joylist_item * item
Definition: SDL_sysjoystick_c.h:33
joystick_hwdata::hats_indices
int hats_indices[4]
Definition: SDL_sysjoystick_c.h:66
joystick_hwdata::balls
struct joystick_hwdata::hwdata_ball * balls
SDL_JoystickGUID
Definition: SDL_joystick.h:70
joystick_hwdata
Definition: SDL_sysjoystick_c.h:46
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179