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comparison src/joystick/linux/SDL_sysjoystick.c @ 1361:19418e4422cb

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New configure-based build system. Still work in progress, but much improved
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Feb 2006 10:11:48 +0000
parents c71e05b4dc2e
children c0a74f199ecf
comparison
equal deleted inserted replaced
1360:70a9cfb4cf1b 1361:19418e4422cb
29 #include <limits.h> /* For the definition of PATH_MAX */ 29 #include <limits.h> /* For the definition of PATH_MAX */
30 #ifdef __arm__ 30 #ifdef __arm__
31 #include <linux/limits.h> /* Arm cross-compiler needs this */ 31 #include <linux/limits.h> /* Arm cross-compiler needs this */
32 #endif 32 #endif
33 #include <linux/joystick.h> 33 #include <linux/joystick.h>
34 #ifdef USE_INPUT_EVENTS 34 #if SDL_INPUT_LINUXEV
35 #include <linux/input.h> 35 #include <linux/input.h>
36 #endif 36 #endif
37 37
38 #include "SDL_joystick.h" 38 #include "SDL_joystick.h"
39 #include "SDL_sysjoystick.h" 39 #include "../SDL_sysjoystick.h"
40 #include "SDL_joystick_c.h" 40 #include "../SDL_joystick_c.h"
41 41
42 /* Special joystick configurations */ 42 /* Special joystick configurations */
43 static struct { 43 static struct {
44 const char *name; 44 const char *name;
45 int naxes; 45 int naxes;
166 struct hwdata_ball { 166 struct hwdata_ball {
167 int axis[2]; 167 int axis[2];
168 } *balls; 168 } *balls;
169 169
170 /* Support for the Linux 2.4 unified input interface */ 170 /* Support for the Linux 2.4 unified input interface */
171 #ifdef USE_INPUT_EVENTS 171 #if SDL_INPUT_LINUXEV
172 SDL_bool is_hid; 172 SDL_bool is_hid;
173 Uint8 key_map[KEY_MAX-BTN_MISC]; 173 Uint8 key_map[KEY_MAX-BTN_MISC];
174 Uint8 abs_map[ABS_MAX]; 174 Uint8 abs_map[ABS_MAX];
175 struct axis_correct { 175 struct axis_correct {
176 int used; 176 int used;
255 } 255 }
256 } 256 }
257 257
258 #endif /* USE_LOGICAL_JOYSTICKS */ 258 #endif /* USE_LOGICAL_JOYSTICKS */
259 259
260 #ifdef USE_INPUT_EVENTS 260 #if SDL_INPUT_LINUXEV
261 #define test_bit(nr, addr) \ 261 #define test_bit(nr, addr) \
262 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0) 262 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
263 263
264 static int EV_IsJoystick(int fd) 264 static int EV_IsJoystick(int fd)
265 { 265 {
276 test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit) && 276 test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit) &&
277 (test_bit(BTN_TRIGGER, keybit) || test_bit(BTN_A, keybit) || test_bit(BTN_1, keybit)))) return 0; 277 (test_bit(BTN_TRIGGER, keybit) || test_bit(BTN_A, keybit) || test_bit(BTN_1, keybit)))) return 0;
278 return(1); 278 return(1);
279 } 279 }
280 280
281 #endif /* USE_INPUT_EVENTS */ 281 #endif /* SDL_INPUT_LINUXEV */
282 282
283 /* Function to scan the system for joysticks */ 283 /* Function to scan the system for joysticks */
284 int SDL_SYS_JoystickInit(void) 284 int SDL_SYS_JoystickInit(void)
285 { 285 {
286 /* The base path of the joystick devices */ 286 /* The base path of the joystick devices */
287 const char *joydev_pattern[] = { 287 const char *joydev_pattern[] = {
288 #ifdef USE_INPUT_EVENTS 288 #if SDL_INPUT_LINUXEV
289 "/dev/input/event%d", 289 "/dev/input/event%d",
290 #endif 290 #endif
291 "/dev/input/js%d", 291 "/dev/input/js%d",
292 "/dev/js%d" 292 "/dev/js%d"
293 }; 293 };
343 343
344 fd = open(path, O_RDONLY, 0); 344 fd = open(path, O_RDONLY, 0);
345 if ( fd < 0 ) { 345 if ( fd < 0 ) {
346 continue; 346 continue;
347 } 347 }
348 #ifdef USE_INPUT_EVENTS 348 #if SDL_INPUT_LINUXEV
349 #ifdef DEBUG_INPUT_EVENTS 349 #ifdef DEBUG_INPUT_EVENTS
350 printf("Checking %s\n", path); 350 printf("Checking %s\n", path);
351 #endif 351 #endif
352 if ( (i == 0) && ! EV_IsJoystick(fd) ) { 352 if ( (i == 0) && ! EV_IsJoystick(fd) ) {
353 close(fd); 353 close(fd);
364 } 364 }
365 } else 365 } else
366 break; 366 break;
367 } 367 }
368 368
369 #ifdef USE_INPUT_EVENTS 369 #if SDL_INPUT_LINUXEV
370 /* This is a special case... 370 /* This is a special case...
371 If the event devices are valid then the joystick devices 371 If the event devices are valid then the joystick devices
372 will be duplicates but without extra information about their 372 will be duplicates but without extra information about their
373 hats or balls. Unfortunately, the event devices can't 373 hats or balls. Unfortunately, the event devices can't
374 currently be calibrated, so it's a win-lose situation. 374 currently be calibrated, so it's a win-lose situation.
398 #endif 398 #endif
399 name = NULL; 399 name = NULL;
400 fd = open(SDL_joylist[index].fname, O_RDONLY, 0); 400 fd = open(SDL_joylist[index].fname, O_RDONLY, 0);
401 if ( fd >= 0 ) { 401 if ( fd >= 0 ) {
402 if ( 402 if (
403 #ifdef USE_INPUT_EVENTS 403 #if SDL_INPUT_LINUXEV
404 (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) && 404 (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) &&
405 #endif 405 #endif
406 (ioctl(fd, JSIOCGNAME(sizeof(namebuf)), namebuf) <= 0) ) { 406 (ioctl(fd, JSIOCGNAME(sizeof(namebuf)), namebuf) <= 0) ) {
407 name = SDL_joylist[index].fname; 407 name = SDL_joylist[index].fname;
408 } else { 408 } else {
538 } 538 }
539 539
540 return(handled); 540 return(handled);
541 } 541 }
542 542
543 #ifdef USE_INPUT_EVENTS 543 #if SDL_INPUT_LINUXEV
544 544
545 static SDL_bool EV_ConfigJoystick(SDL_Joystick *joystick, int fd) 545 static SDL_bool EV_ConfigJoystick(SDL_Joystick *joystick, int fd)
546 { 546 {
547 int i, t; 547 int i, t;
548 unsigned long keybit[40]; 548 unsigned long keybit[40];
637 } 637 }
638 } 638 }
639 return(joystick->hwdata->is_hid); 639 return(joystick->hwdata->is_hid);
640 } 640 }
641 641
642 #endif /* USE_INPUT_EVENTS */ 642 #endif /* SDL_INPUT_LINUXEV */
643 643
644 #ifndef NO_LOGICAL_JOYSTICKS 644 #ifndef NO_LOGICAL_JOYSTICKS
645 static void ConfigLogicalJoystick(SDL_Joystick *joystick) 645 static void ConfigLogicalJoystick(SDL_Joystick *joystick)
646 { 646 {
647 struct joystick_logical_layout* layout; 647 struct joystick_logical_layout* layout;
709 #ifndef NO_LOGICAL_JOYSTICKS 709 #ifndef NO_LOGICAL_JOYSTICKS
710 if (realjoy) 710 if (realjoy)
711 ConfigLogicalJoystick(joystick); 711 ConfigLogicalJoystick(joystick);
712 else 712 else
713 #endif 713 #endif
714 #ifdef USE_INPUT_EVENTS 714 #if SDL_INPUT_LINUXEV
715 if ( ! EV_ConfigJoystick(joystick, fd) ) 715 if ( ! EV_ConfigJoystick(joystick, fd) )
716 #endif 716 #endif
717 JS_ConfigJoystick(joystick, fd); 717 JS_ConfigJoystick(joystick, fd);
718 718
719 return(0); 719 return(0);
912 break; 912 break;
913 } 913 }
914 } 914 }
915 } 915 }
916 } 916 }
917 #ifdef USE_INPUT_EVENTS 917 #if SDL_INPUT_LINUXEV
918 static __inline__ int EV_AxisCorrect(SDL_Joystick *joystick, int which, int value) 918 static __inline__ int EV_AxisCorrect(SDL_Joystick *joystick, int which, int value)
919 { 919 {
920 struct axis_correct *correct; 920 struct axis_correct *correct;
921 921
922 correct = &joystick->hwdata->abs_correct[which]; 922 correct = &joystick->hwdata->abs_correct[which];
1014 break; 1014 break;
1015 } 1015 }
1016 } 1016 }
1017 } 1017 }
1018 } 1018 }
1019 #endif /* USE_INPUT_EVENTS */ 1019 #endif /* SDL_INPUT_LINUXEV */
1020 1020
1021 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) 1021 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
1022 { 1022 {
1023 int i; 1023 int i;
1024 1024
1025 #ifdef USE_INPUT_EVENTS 1025 #if SDL_INPUT_LINUXEV
1026 if ( joystick->hwdata->is_hid ) 1026 if ( joystick->hwdata->is_hid )
1027 EV_HandleEvents(joystick); 1027 EV_HandleEvents(joystick);
1028 else 1028 else
1029 #endif 1029 #endif
1030 JS_HandleEvents(joystick); 1030 JS_HandleEvents(joystick);