sdl-ios-xcode: src/haptic/linux/SDL

annotate src/haptic/linux/SDL_syshaptic.c @ 2511:f12ae0bae468 gsoc2008_force_feedback

Fixed bugs in documentation. Improved code correctness a bit.

author	Edgar Simo <bobbens@gmail.com>
date	Wed, 09 Jul 2008 18:29:11 +0000
parents	e6ad7e678fca
children	ef147ee4896c

rev	line source
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	1 /*
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	3 Copyright (C) 2008 Edgar Simo
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	4
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	9
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	13 Lesser General Public License for more details.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	14
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	16 License along with this library; if not, write to the Free Software
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	18
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	19 Sam Lantinga
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	20 slouken@libsdl.org
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	21 */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	22 #include "SDL_config.h"
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	23
2493 6a2482d4af81 Fixed regex replace mistake. Edgar Simo <bobbens@gmail.com> parents: 2491 diff changeset	24 #ifdef SDL_HAPTIC_LINUX
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	25
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	26 #include "SDL_haptic.h"
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	27 #include "../SDL_syshaptic.h"
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	28 #include "SDL_joystick.h"
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	29 #include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	30 #include "../../joystick/linux/SDL_sysjoystick_c.h" /* For joystick hwdata */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	31
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	32 #include <unistd.h> /* close */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	33 #include <linux/input.h>
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	34 #include <sys/ioctl.h>
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	35 #include <sys/types.h>
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	36 #include <sys/stat.h>
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	37 #include <fcntl.h>
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	38 #include <linux/limits.h>
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	39 #include <string.h>
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	40 #include <errno.h>
2510 e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	41 #include <math.h>
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	42
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	43 #ifndef M_PI
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	44 # define M_PI 3.14159265358979323846
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	45 #endif
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	46
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	47
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	48 #define MAX_HAPTICS 32
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	49
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	50
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	51 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	52 * List of available haptic devices.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	53 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	54 static struct
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	55 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	56 char *fname;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	57 SDL_Haptic *haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	58 } SDL_hapticlist[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	59
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	60
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	61 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	62 * Haptic system hardware data.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	63 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	64 struct haptic_hwdata
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	65 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	66 int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	67 };
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	68
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	69
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	70 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	71 * Haptic system effect data.
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	72 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	73 struct haptic_hweffect
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	74 {
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	75 struct ff_effect effect; /* The linux kernel effect structure. */
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	76 };
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	77
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	78
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	79
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	80 #define test_bit(nr, addr) \
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	81 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	82 #define EV_TEST(ev,f) \
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	83 if (test_bit((ev), features)) ret \|= (f);
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	84 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	85 * Test whether a device has haptic properties.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	86 * Returns available properties or 0 if there are none.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	87 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	88 static int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	89 EV_IsHaptic(int fd)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	90 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	91 unsigned int ret;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	92 unsigned long features[1 + FF_MAX/sizeof(unsigned long)];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	93
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	94 ret = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	95
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	96 if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(unsigned long) * 4), features) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	97 SDL_SetError("Unable to get device's haptic abilities: %s", strerror(errno));
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	98 return -1;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	99 }
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	100
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	101 EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT);
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	102 EV_TEST(FF_PERIODIC, SDL_HAPTIC_SINE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	103 SDL_HAPTIC_SQUARE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	104 SDL_HAPTIC_TRIANGLE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	105 SDL_HAPTIC_SAWTOOTHUP \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	106 SDL_HAPTIC_SAWTOOTHDOWN);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	107 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	108 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	109 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	110 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	111 EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA);
2486 24dd8b8669fa Added SDL_HAPTIC_CUSTOM (not supported on linux). Edgar Simo <bobbens@gmail.com> parents: 2485 diff changeset	112 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	113 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	114 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	115
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	116 return ret;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	117 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	118
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	119 /*
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	120 * Initializes the haptic subsystem by finding available devices.
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	121 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	122 int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	123 SDL_SYS_HapticInit(void)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	124 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	125 const char joydev_pattern[] = "/dev/input/event%d";
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	126 dev_t dev_nums[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	127 char path[PATH_MAX];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	128 struct stat sb;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	129 int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	130 int i, j, k;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	131 int duplicate;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	132 int numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	133
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	134 numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	135
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	136 i = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	137 for (j = 0; j < MAX_HAPTICS; ++j) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	138
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	139 snprintf(path, PATH_MAX, joydev_pattern, i++);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	140
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	141 /* check to see if file exists */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	142 if (stat(path,&sb) != 0)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	143 break;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	144
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	145 /* check for duplicates */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	146 duplicate = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	147 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	148 if (sb.st_rdev == dev_nums[k]) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	149 duplicate = 1;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	150 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	151 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	152 if (duplicate) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	153 continue;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	154 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	155
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	156 /* try to open */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	157 fd = open(path, O_RDWR, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	158 if (fd < 0) continue;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	159
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	160 #ifdef DEBUG_INPUT_EVENTS
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	161 printf("Checking %s\n", path);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	162 #endif
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	163
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	164 /* see if it works */
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	165 if (EV_IsHaptic(fd) > 0) {
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	166 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	167 SDL_hapticlist[numhaptics].haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	168 dev_nums[numhaptics] = sb.st_rdev;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	169 ++numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	170 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	171 close(fd);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	172 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	173
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	174 return numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	175 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	176
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	177
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	178 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	179 * Return the name of a haptic device, does not need to be opened.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	180 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	181 const char *
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	182 SDL_SYS_HapticName(int index)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	183 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	184 int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	185 static char namebuf[128];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	186 char *name;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	187
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	188 name = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	189 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	190 if (fd >= 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	191 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	192 name = SDL_hapticlist[index].fname;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	193 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	194 else {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	195 name = namebuf;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	196 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	197 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	198 close(fd);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	199
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	200 return name;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	201 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	202
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	203
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	204 /*
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	205 * Opens the haptic device from the file descriptor.
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	206 */
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	207 static int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	208 SDL_SYS_HapticOpenFromFD(SDL_Haptic * haptic, int fd)
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	209 {
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	210 /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	211 haptic->hwdata = (struct haptic_hwdata *)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	212 SDL_malloc(sizeof(*haptic->hwdata));
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	213 if (haptic->hwdata == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	214 SDL_OutOfMemory();
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	215 goto open_err;
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	216 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	217 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2478 4fd783e0f34b Added query functions for haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2477 diff changeset	218 /* Set the data */
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	219 haptic->hwdata->fd = fd;
2478 4fd783e0f34b Added query functions for haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2477 diff changeset	220 haptic->supported = EV_IsHaptic(fd);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	221
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	222 /* Set the effects */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	223 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	224 SDL_SetError("Unable to query haptic device memory: %s", strerror(errno));
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	225 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	226 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	227 haptic->effects = (struct haptic_effect *)
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	228 SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	229 if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	230 SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	231 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	232 }
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	233 /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	234 SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	235 sizeof(struct haptic_effect) * haptic->neffects);
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	236
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	237 return 0;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	238
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	239 /* Error handling */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	240 open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	241 close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	242 if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	243 free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	244 haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	245 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	246 return -1;
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	247 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	248
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	249
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	250 /*
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	251 * Opens a haptic device for usage.
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	252 */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	253 int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	254 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	255 {
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	256 int fd;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	257
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	258 /* Open the character device */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	259 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	260 if (fd < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	261 SDL_SetError("Unable to open %s: %s",
8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	262 SDL_hapticlist[haptic->index], strerror(errno));
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	263 return -1;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	264 }
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	265
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	266 return SDL_SYS_HapticOpenFromFD(haptic,fd);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	267 }
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	268
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	269
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	270 /*
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	271 * Checks to see if a joystick has haptic features.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	272 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	273 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	274 SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	275 {
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	276 return EV_IsHaptic(joystick->hwdata->fd);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	277 }
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	278
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	279
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	280 /*
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	281 * Checks to see if the haptic device and joystick and in reality the same.
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	282 */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	283 int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	284 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	285 {
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	286 if (SDL_strcmp(joystick->name,haptic->name)==0) {
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	287 return 1;
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	288 }
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	289 return 0;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	290 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	291
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	292
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	293 /*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	294 * Opens a SDL_Haptic from a SDL_Joystick.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	295 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	296 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	297 SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	298 {
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	299 int fd;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	300 fd = open(joystick->hwdata->fname, O_RDWR, 0);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	301 return SDL_SYS_HapticOpenFromFD(haptic,fd);
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	302 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	303
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	304
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	305 /*
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	306 * Closes the haptic device.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	307 */
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	308 void
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	309 SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	310 {
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	311 if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	312
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	313 /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	314 close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	315
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	316 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	317 SDL_free(haptic->hwdata);
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	318 haptic->hwdata = NULL;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	319 SDL_free(haptic->effects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	320 haptic->neffects = 0;
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	321 }
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	322 }
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	323
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	324
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	325 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	326 * Clean up after system specific haptic stuff
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	327 */
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	328 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	329 SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	330 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	331 int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	332
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	333 for (i=0; SDL_hapticlist[i].fname != NULL; i++) {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	334 SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	335 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	336 SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	337 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	338
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	339 /*
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	340 * Returns the ff_effect usable direction from a SDL_HapticDirection.
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	341 */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	342 static Uint16
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	343 SDL_SYS_ToDirection( SDL_HapticDirection * dir )
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	344 {
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	345 Uint32 tmp;
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	346 float f; /* Ideally we'd use fixed point math instead of floats... */
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	347
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	348 switch (dir->type) {
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	349 case SDL_HAPTIC_POLAR:
2502 5356ca0c36a3 Fixed linux directions being inverted. Edgar Simo <bobbens@gmail.com> parents: 2500 diff changeset	350 /* Linux directions are inverted. */
5356ca0c36a3 Fixed linux directions being inverted. Edgar Simo <bobbens@gmail.com> parents: 2500 diff changeset	351 tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	352 return (Uint16) tmp;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	353 case SDL_HAPTIC_CARTESIAN:
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	354 /* We must invert "x" and "y" to go clockwise. */
2510 e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	355 f = atan2(dir->dir[0], dir->dir[1]);
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	356 tmp = (int)(f*18000./M_PI) % 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	357 tmp = (tmp * 0xFFFF) / 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	358 return (Uint16) tmp;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	359
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	360 default:
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	361 return -1;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	362 }
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	363
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	364 return 0;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	365 }
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	366
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	367 #define CLAMP(x) (((x) > 32767) ? 32767 : x)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	368 /*
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	369 * Initializes the linux effect struct from a haptic_effect.
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	370 * Values above 32767 (for unsigned) are unspecified so we must clamp.
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	371 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	372 static int
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	373 SDL_SYS_ToFFEffect( struct ff_effect * dest, SDL_HapticEffect * src )
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	374 {
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	375 int i;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	376 SDL_HapticConstant *constant;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	377 SDL_HapticPeriodic *periodic;
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	378 SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	379 SDL_HapticRamp *ramp;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	380
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	381 /* Clear up */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	382 SDL_memset(dest, 0, sizeof(struct ff_effect));
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	383
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	384 switch (src->type) {
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	385 case SDL_HAPTIC_CONSTANT:
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	386 constant = &src->constant;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	387
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	388 /* Header */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	389 dest->type = FF_CONSTANT;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	390 dest->direction = SDL_SYS_ToDirection(&constant->direction);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	391
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	392 /* Replay */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	393 dest->replay.length = CLAMP(constant->length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	394 dest->replay.delay = CLAMP(constant->delay);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	395
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	396 /* Trigger */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	397 dest->trigger.button = CLAMP(constant->button);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	398 dest->trigger.interval = CLAMP(constant->interval);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	399
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	400 /* Constant */
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	401 dest->u.constant.level = constant->level;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	402
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	403 /* Envelope */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	404 dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	405 dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	406 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	407 dest->u.constant.envelope.fade_level = CLAMP(constant->fade_level);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	408
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	409 break;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	410
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	411 case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	412 case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	413 case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	414 case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	415 case SDL_HAPTIC_SAWTOOTHDOWN:
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	416 periodic = &src->periodic;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	417
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	418 /* Header */
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	419 dest->type = FF_PERIODIC;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	420 dest->direction = SDL_SYS_ToDirection(&periodic->direction);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	421
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	422 /* Replay */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	423 dest->replay.length = CLAMP(periodic->length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	424 dest->replay.delay = CLAMP(periodic->delay);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	425
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	426 /* Trigger */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	427 dest->trigger.button = CLAMP(periodic->button);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	428 dest->trigger.interval = CLAMP(periodic->interval);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	429
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	430 /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	431 if (periodic->type == SDL_HAPTIC_SINE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	432 dest->u.periodic.waveform = FF_SINE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	433 else if (periodic->type == SDL_HAPTIC_SQUARE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	434 dest->u.periodic.waveform = FF_SQUARE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	435 else if (periodic->type == SDL_HAPTIC_TRIANGLE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	436 dest->u.periodic.waveform = FF_TRIANGLE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	437 else if (periodic->type == SDL_HAPTIC_SAWTOOTHUP)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	438 dest->u.periodic.waveform = FF_SAW_UP;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	439 else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	440 dest->u.periodic.waveform = FF_SAW_DOWN;
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	441 dest->u.periodic.period = CLAMP(periodic->period);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	442 dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	443 dest->u.periodic.offset = periodic->offset;
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	444 dest->u.periodic.phase = CLAMP(periodic->phase);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	445
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	446 /* Envelope */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	447 dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	448 dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	449 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	450 dest->u.periodic.envelope.fade_level = CLAMP(periodic->fade_level);
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	451
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	452 break;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	453
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	454 case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	455 case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	456 case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	457 case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	458 condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	459
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	460 /* Header */
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	461 if (condition->type == SDL_HAPTIC_SPRING)
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	462 dest->type = FF_SPRING;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	463 else if (condition->type == SDL_HAPTIC_DAMPER)
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	464 dest->type = FF_DAMPER;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	465 else if (condition->type == SDL_HAPTIC_INERTIA)
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	466 dest->type = FF_INERTIA;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	467 else if (condition->type == SDL_HAPTIC_FRICTION)
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	468 dest->type = FF_FRICTION;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	469 dest->direction = 0; /* Handled by the condition-specifics. */
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	470
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	471 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	472 dest->replay.length = CLAMP(condition->length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	473 dest->replay.delay = CLAMP(condition->delay);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	474
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	475 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	476 dest->trigger.button = CLAMP(condition->button);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	477 dest->trigger.interval = CLAMP(condition->interval);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	478
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	479 /* Condition */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	480 /* X axis */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	481 dest->u.condition[0].right_saturation = CLAMP(condition->right_sat[0]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	482 dest->u.condition[0].left_saturation = CLAMP(condition->left_sat[0]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	483 dest->u.condition[0].right_coeff = condition->right_coeff[0];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	484 dest->u.condition[0].left_coeff = condition->left_coeff[0];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	485 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	486 dest->u.condition[0].center = condition->center[0];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	487 /* Y axis */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	488 dest->u.condition[1].right_saturation = CLAMP(condition->right_sat[1]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	489 dest->u.condition[1].left_saturation = CLAMP(condition->left_sat[1]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	490 dest->u.condition[1].right_coeff = condition->right_coeff[1];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	491 dest->u.condition[1].left_coeff = condition->left_coeff[1];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	492 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	493 dest->u.condition[1].center = condition->center[1];
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	494
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	495 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	496
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	497 case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	498 ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	499
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	500 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	501 dest->type = FF_RAMP;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	502 dest->direction = SDL_SYS_ToDirection(&ramp->direction);
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	503
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	504 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	505 dest->replay.length = CLAMP(ramp->length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	506 dest->replay.delay = CLAMP(ramp->delay);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	507
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	508 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	509 dest->trigger.button = CLAMP(ramp->button);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	510 dest->trigger.interval = CLAMP(ramp->interval);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	511
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	512 /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	513 dest->u.ramp.start_level = ramp->start;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	514 dest->u.ramp.end_level = ramp->end;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	515
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	516 /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	517 dest->u.ramp.envelope.attack_length = CLAMP(ramp->attack_length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	518 dest->u.ramp.envelope.attack_level = CLAMP(ramp->attack_level);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	519 dest->u.ramp.envelope.fade_length = CLAMP(ramp->fade_length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	520 dest->u.ramp.envelope.fade_level = CLAMP(ramp->fade_level);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	521
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	522 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	523
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	524
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	525 default:
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	526 SDL_SetError("Unknown haptic effect type");
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	527 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	528 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	529
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	530 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	531 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	532
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	533
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	534 /*
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	535 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	536 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	537 int
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	538 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	539 SDL_HapticEffect * base)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	540 {
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	541 struct ff_effect * linux_effect;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	542
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	543 /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	544 effect->hweffect = (struct haptic_hweffect *)
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	545 SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	546 if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	547 SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	548 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	549 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	550
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	551 /* Prepare the ff_effect */
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	552 linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	553 if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	554 goto new_effect_err;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	555 }
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	556 linux_effect->id = -1; /* Have the kernel give it an id */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	557
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	558 /* Upload the effect */
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	559 if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	560 SDL_SetError("Error uploading effect to the haptic device: %s", strerror(errno));
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	561 goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	562 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	563
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	564 return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	565
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	566 new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	567 free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	568 effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	569 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	570 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	571
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	572
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	573 /*
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	574 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	575 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	576 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	577 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	578 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	579 int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	580 struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	581 {
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	582 struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	583
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	584 /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	585 if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	586 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	587 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	588 linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	589
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	590 /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	591 if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	592 SDL_SetError("Error updating the haptic effect: %s", strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	593 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	594 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	595
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	596 /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	597 SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	598
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	599 return effect->hweffect->effect.id;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	600 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	601
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	602
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	603 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	604 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	605 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	606 int
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	607 SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	608 {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	609 struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	610
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	611 /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	612 run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	613 run.code = effect->hweffect->effect.id;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	614 run.value = 1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	615
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	616 if (write(haptic->hwdata->fd, (const void*) &run, sizeof(run)) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	617 SDL_SetError("Unable to run the haptic effect: %s", strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	618 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	619 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	620
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	621 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	622 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	623
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	624
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	625 /*
2485 67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	626 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	627 */
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	628 int
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	629 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	630 {
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	631 struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	632
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	633 stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	634 stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	635 stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	636
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	637 if (write(haptic->hwdata->fd, (const void*) &stop, sizeof(stop)) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	638 SDL_SetError("Unable to stop the haptic effect: %s", strerror(errno));
2485 67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	639 return -1;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	640 }
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	641
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	642 return 0;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	643 }
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	644
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	645
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	646 /*
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	647 * Frees the effect.
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	648 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	649 void
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	650 SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	651 {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	652 if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	653 SDL_SetError("Error removing the effect from the haptic device: %s",
8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	654 strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	655 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	656 SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	657 effect->hweffect = NULL;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	658 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	659
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	660
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	661 /*
2495 66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	662 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	663 */
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	664 int
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	665 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect * effect)
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	666 {
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	667 #if 0 /* Not supported atm. */
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	668 struct input_event ie;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	669
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	670 ie.type = EV_FF;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	671 ie.type = EV_FF_STATUS;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	672 ie.code = effect->hweffect->effect.id;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	673
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	674 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	675 SDL_SetError("Error getting haptic device status.");
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	676 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	677 }
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	678
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	679 return 0;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	680 #endif
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	681
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	682 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	683 }
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	684
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	685
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	686 /*
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	687 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	688 */
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	689 int
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	690 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	691 {
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	692 struct input_event ie;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	693
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	694 ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	695 ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	696 ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	697
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	698 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	699 SDL_SetError("Error setting gain: %s", strerror(errno));
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	700 return -1;
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	701 }
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	702
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	703 return 0;
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	704 }
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	705
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	706
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	707 /*
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	708 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	709 */
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	710 int
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	711 SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	712 {
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	713 struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	714
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	715 ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	716 ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	717 ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	718
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	719 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	720 SDL_SetError("Error setting autocenter: %s", strerror(errno));
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	721 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	722 }
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	723
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	724 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	725 }
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	726
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	727
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	728 #endif /* SDL_HAPTIC_LINUX */

Mercurial > sdl-ios-xcode

annotate src/haptic/linux/SDL_syshaptic.c @ 2511:f12ae0bae468 gsoc2008_force_feedback