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

annotate src/haptic/linux/SDL_syshaptic.c @ 2612:63ea27a96a96 gsoc2008_force_feedback

Check for capabilities at init.

author	Edgar Simo <bobbens@gmail.com>
date	Wed, 06 Aug 2008 07:51:30 +0000
parents	3696b9ce8a37
children	dbd63c419ba5

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>
2517 37c13c12c878 Broke API by introducing iterations to SDL_HapticRunEffects(). Edgar Simo <bobbens@gmail.com> parents: 2515 diff changeset	39 #include <limits.h> /* INT_MAX */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	40 #include <string.h>
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	41 #include <errno.h>
2510 e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	42 #include <math.h>
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	43
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	44 #ifndef M_PI
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	45 # define M_PI 3.14159265358979323846
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	46 #endif
2472 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
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	49 #define MAX_HAPTICS 32
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	50
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	51
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	52 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	53 * List of available haptic devices.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	54 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	55 static struct
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	56 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	57 char *fname;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	58 SDL_Haptic *haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	59 } SDL_hapticlist[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	60
2475 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 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	63 * Haptic system hardware data.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	64 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	65 struct haptic_hwdata
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	66 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	67 int fd;
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	68 char fname; / Points to the name in SDL_hapticlist. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	69 };
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	70
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	71
2477 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 * Haptic system effect data.
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	74 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	75 struct haptic_hweffect
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	76 {
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	77 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	78 };
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	79
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	80
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	81
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	82 #define test_bit(nr, addr) \
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	83 (((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	84 #define EV_TEST(ev,f) \
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	85 if (test_bit((ev), features)) ret \|= (f);
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	86 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	87 * Test whether a device has haptic properties.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	88 * Returns available properties or 0 if there are none.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	89 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	90 static int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	91 EV_IsHaptic(int fd)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	92 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	93 unsigned int ret;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	94 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	95
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	96 /* Ask device for what it has. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	97 ret = 0;
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	98 if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(features)), features) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	99 SDL_SetError("Haptic: Unable to get device's features: %s", strerror(errno));
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	100 return -1;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	101 }
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	102
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	103 /* Convert supported features to SDL_HAPTIC platform-neutral features. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	104 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	105 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	106 SDL_HAPTIC_SQUARE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	107 SDL_HAPTIC_TRIANGLE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	108 SDL_HAPTIC_SAWTOOTHUP \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	109 SDL_HAPTIC_SAWTOOTHDOWN);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	110 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	111 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	112 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	113 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	114 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	115 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	116 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	117 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	118
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	119 /* Return what it supports. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	120 return ret;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	121 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	122
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	123
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	124 /*
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	125 * Tests whether a device is a mouse or not.
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	126 */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	127 static int
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	128 EV_IsMouse(int fd)
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	129 {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	130 unsigned long argp[40];
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	131
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	132 /* Ask for supported features. */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	133 if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	134 return -1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	135 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	136
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	137 /* Currently we only test for BTN_MOUSE which can give fake positives. */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	138 if (test_bit(BTN_MOUSE,argp) != 0) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	139 return 1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	140 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	141
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	142 return 0;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	143 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	144
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	145 /*
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	146 * Initializes the haptic subsystem by finding available devices.
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	147 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	148 int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	149 SDL_SYS_HapticInit(void)
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 const char joydev_pattern[] = "/dev/input/event%d";
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	152 dev_t dev_nums[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	153 char path[PATH_MAX];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	154 struct stat sb;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	155 int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	156 int i, j, k;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	157 int duplicate;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	158 int numhaptics;
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 numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	161
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	162 /*
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	163 * Limit amount of checks to MAX_HAPTICS since we may or may not have
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	164 * permission to some or all devices.
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	165 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	166 i = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	167 for (j = 0; j < MAX_HAPTICS; ++j) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	168
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	169 snprintf(path, PATH_MAX, joydev_pattern, i++);
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 /* check to see if file exists */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	172 if (stat(path,&sb) != 0)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	173 break;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	174
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	175 /* check for duplicates */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	176 duplicate = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	177 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	178 if (sb.st_rdev == dev_nums[k]) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	179 duplicate = 1;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	180 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	181 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	182 if (duplicate) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	183 continue;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	184 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	185
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	186 /* try to open */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	187 fd = open(path, O_RDWR, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	188 if (fd < 0) continue;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	189
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	190 #ifdef DEBUG_INPUT_EVENTS
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	191 printf("Checking %s\n", path);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	192 #endif
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 /* see if it works */
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	195 if (EV_IsHaptic(fd) > 0) {
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	196 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	197 SDL_hapticlist[numhaptics].haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	198 dev_nums[numhaptics] = sb.st_rdev;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	199 ++numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	200 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	201 close(fd);
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
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	204 return numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	205 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	206
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	207
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	208 /*
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	209 * Gets the name from a file descriptor.
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	210 */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	211 static const char *
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	212 SDL_SYS_HapticNameFromFD(int fd)
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	213 {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	214 static char namebuf[128];
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	215
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	216 /* We use the evdev name ioctl. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	217 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	218 return NULL;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	219 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	220
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	221 return namebuf;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	222 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	223
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	224
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	225 /*
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	226 * 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	227 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	228 const char *
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	229 SDL_SYS_HapticName(int index)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	230 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	231 int fd;
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	232 const char *name;
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	233
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	234 /* Open the haptic device. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	235 name = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	236 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	237
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	238 if (fd >= 0) {
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	239
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	240 name = SDL_SYS_HapticNameFromFD(fd);
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	241 if (name==NULL) {
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	242 /* No name found, return device character device */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	243 name = SDL_hapticlist[index].fname;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	244 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	245 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	246 close(fd);
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 return name;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	249 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	250
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	251
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	252 /*
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	253 * Opens the haptic device from the file descriptor.
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	254 */
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	255 static int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	256 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	257 {
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	258 const char *name;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	259
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	260 /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	261 haptic->hwdata = (struct haptic_hwdata *)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	262 SDL_malloc(sizeof(*haptic->hwdata));
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	263 if (haptic->hwdata == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	264 SDL_OutOfMemory();
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	265 goto open_err;
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	266 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	267 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	268
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	269 /* Set the data. */
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	270 haptic->hwdata->fd = fd;
2478 4fd783e0f34b Added query functions for haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2477 diff changeset	271 haptic->supported = EV_IsHaptic(fd);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	272 haptic->naxes = 2; /* Hardcoded for now, not sure if it's possible to find out. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	273
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	274 /* Set the effects */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	275 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	276 SDL_SetError("Haptic: Unable to query device memory: %s", strerror(errno));
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	277 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	278 }
2515 030fc4375e63 Added SDL_HapticNumEffectsPlaying(). Edgar Simo <bobbens@gmail.com> parents: 2513 diff changeset	279 haptic->nplaying = haptic->neffects; /* Linux makes no distinction. */
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	280 haptic->effects = (struct haptic_effect *)
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	281 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	282 if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	283 SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	284 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	285 }
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	286 /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	287 SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	288 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	289
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	290 return 0;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	291
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	292 /* Error handling */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	293 open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	294 close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	295 if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	296 free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	297 haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	298 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	299 return -1;
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	300 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	301
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	302
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	303 /*
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	304 * Opens a haptic device for usage.
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	305 */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	306 int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	307 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	308 {
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	309 int fd;
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	310 int ret;
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	311
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	312 /* Open the character device */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	313 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	314 if (fd < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	315 SDL_SetError("Haptic: Unable to open %s: %s",
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	316 SDL_hapticlist[haptic->index], strerror(errno));
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	317 return -1;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	318 }
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	319
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	320 /* Try to create the haptic. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	321 ret = SDL_SYS_HapticOpenFromFD(haptic,fd); /* Already closes on error. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	322 if (ret < 0) {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	323 return -1;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	324 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	325
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	326 /* Set the fname. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	327 haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	328 return 0;
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	329 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	330
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	331
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	332 /*
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	333 * Opens a haptic device from first mouse it finds for usage.
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	334 */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	335 int
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	336 SDL_SYS_HapticMouse(void)
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	337 {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	338 int fd;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	339 int i;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	340
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	341 for (i=0; i<SDL_numhaptics; i++) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	342
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	343 /* Open the device. */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	344 fd = open(SDL_hapticlist[i].fname, O_RDWR, 0);
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	345 if (fd < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	346 SDL_SetError("Haptic: Unable to open %s: %s",
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	347 SDL_hapticlist[i], strerror(errno));
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	348 return -1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	349 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	350
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	351 if (EV_IsMouse(fd)) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	352 close(fd);
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	353 return i;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	354 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	355
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	356 close(fd);
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	357 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	358
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	359 return -1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	360 }
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	361
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	362
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	363 /*
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	364 * 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	365 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	366 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	367 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	368 {
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	369 return EV_IsHaptic(joystick->hwdata->fd);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	370 }
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	371
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	372
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	373 /*
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	374 * 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	375 */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	376 int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	377 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	378 {
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	379 /* We are assuming linux is using evdev which should trump the old
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	380 * joystick methods. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	381 if (SDL_strcmp(joystick->hwdata->fname,haptic->hwdata->fname)==0) {
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	382 return 1;
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	383 }
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	384 return 0;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	385 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	386
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	387
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	388 /*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	389 * 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	390 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	391 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	392 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	393 {
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	394 int i;
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	395 int fd;
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	396 int ret;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	397
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	398 /* Find the joystick in the haptic list. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	399 for (i=0; i<MAX_HAPTICS; i++) {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	400 if (SDL_hapticlist[i].fname != NULL) {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	401 if (SDL_strcmp(SDL_hapticlist[i].fname, joystick->hwdata->fname)==0) {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	402 haptic->index = i;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	403 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	404 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	405 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	406
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	407 fd = open(joystick->hwdata->fname, O_RDWR, 0);
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	408 ret = SDL_SYS_HapticOpenFromFD(haptic,fd); /* Already closes on error. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	409 if (ret < 0) {
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	410 return -1;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	411 }
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	412
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	413 haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname;
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	414 return 0;
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	415 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	416
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	417
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	418 /*
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	419 * Closes the haptic device.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	420 */
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	421 void
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	422 SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	423 {
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	424 if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	425
2561 3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	426 /* Free effects. */
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	427 SDL_free(haptic->effects);
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	428 haptic->effects = NULL;
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	429 haptic->neffects = 0;
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	430
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	431 /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	432 close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	433
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	434 /* Free */
2561 3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	435 SDL_free(haptic->hwdata);
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c. Edgar Simo <bobbens@gmail.com> parents: 2556 diff changeset	436 haptic->hwdata = NULL;
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	437 }
2524 1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	438
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	439 /* Clear the rest. */
1a55848ce198 Better handling of opening haptics from joysticks. Edgar Simo <bobbens@gmail.com> parents: 2523 diff changeset	440 SDL_memset(haptic, 0, sizeof(SDL_Haptic));
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	441 }
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	442
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	443
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	444 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	445 * 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	446 */
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	447 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	448 SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	449 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	450 int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	451
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	452 for (i=0; SDL_hapticlist[i].fname != NULL; i++) {
2530 22ce87690b41 More comments. Edgar Simo <bobbens@gmail.com> parents: 2526 diff changeset	453 /* Opened and not closed haptics are leaked, this is on purpose.
22ce87690b41 More comments. Edgar Simo <bobbens@gmail.com> parents: 2526 diff changeset	454 * Close your haptic devices after usage. */
22ce87690b41 More comments. Edgar Simo <bobbens@gmail.com> parents: 2526 diff changeset	455
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	456 SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	457 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	458 SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	459 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	460
2556 fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	461
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	462 /*
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	463 * Converts an SDL button to a ff_trigger button.
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	464 */
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	465 static Uint16
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	466 SDL_SYS_ToButton( Uint16 button )
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	467 {
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	468 Uint16 ff_button;
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	469
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	470 ff_button = 0;
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	471
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	472 if (button != 0) {
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	473 ff_button = BTN_GAMEPAD + button - 1;
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	474 }
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	475
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	476 return ff_button;
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	477 }
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	478
fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	479
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	480 /*
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	481 * 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	482 */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	483 static Uint16
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	484 SDL_SYS_ToDirection( SDL_HapticDirection * dir )
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	485 {
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	486 Uint32 tmp;
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	487 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	488
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	489 switch (dir->type) {
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	490 case SDL_HAPTIC_POLAR:
2502 5356ca0c36a3 Fixed linux directions being inverted. Edgar Simo <bobbens@gmail.com> parents: 2500 diff changeset	491 /* Linux directions are inverted. */
5356ca0c36a3 Fixed linux directions being inverted. Edgar Simo <bobbens@gmail.com> parents: 2500 diff changeset	492 tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	493 return (Uint16) tmp;
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	494
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	495 case SDL_HAPTIC_CARTESIAN:
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	496 /* 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	497 f = atan2(dir->dir[0], dir->dir[1]);
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	498 tmp = (int)(f*18000./M_PI) % 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	499 tmp = (tmp * 0xFFFF) / 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	500 return (Uint16) tmp;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	501
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	502 case SDL_HAPTIC_SPHERICAL:
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	503 tmp = (36000 - dir->dir[0]) + 27000; /* Convert to polars */
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	504 tmp = (((18000 + tmp) % 36000) * 0xFFFF) / 36000;
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	505 return (Uint16) tmp;
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	506
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	507 default:
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	508 SDL_SetError("Haptic: Unsupported direction type.");
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	509 return -1;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	510 }
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	511
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	512 return 0;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	513 }
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	514
2556 fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	515
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	516 #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	517 /*
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	518 * Initializes the linux effect struct from a haptic_effect.
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	519 * 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	520 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	521 static int
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	522 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	523 {
2526 2d88b82ce781 More documentation. Edgar Simo <bobbens@gmail.com> parents: 2524 diff changeset	524 Uint32 tmp;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	525 SDL_HapticConstant *constant;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	526 SDL_HapticPeriodic *periodic;
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	527 SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	528 SDL_HapticRamp *ramp;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	529
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	530 /* Clear up */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	531 SDL_memset(dest, 0, sizeof(struct ff_effect));
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	532
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	533 switch (src->type) {
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	534 case SDL_HAPTIC_CONSTANT:
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	535 constant = &src->constant;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	536
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	537 /* Header */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	538 dest->type = FF_CONSTANT;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	539 dest->direction = SDL_SYS_ToDirection(&constant->direction);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	540 if (dest->direction < 0) return -1;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	541
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	542 /* Replay */
2539 b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	543 dest->replay.length = (constant->length == SDL_HAPTIC_INFINITY) ?
b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	544 0 : CLAMP(constant->length);
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	545 dest->replay.delay = CLAMP(constant->delay);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	546
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	547 /* Trigger */
2556 fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	548 dest->trigger.button = SDL_SYS_ToButton(constant->button);
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	549 dest->trigger.interval = CLAMP(constant->interval);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	550
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	551 /* Constant */
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	552 dest->u.constant.level = constant->level;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	553
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	554 /* Envelope */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	555 dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	556 dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	557 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	558 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	559
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	560 break;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	561
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	562 case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	563 case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	564 case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	565 case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	566 case SDL_HAPTIC_SAWTOOTHDOWN:
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	567 periodic = &src->periodic;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	568
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	569 /* Header */
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	570 dest->type = FF_PERIODIC;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	571 dest->direction = SDL_SYS_ToDirection(&periodic->direction);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	572 if (dest->direction < 0) return -1;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	573
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	574 /* Replay */
2539 b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	575 dest->replay.length = (periodic->length == SDL_HAPTIC_INFINITY) ?
b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	576 0 : CLAMP(periodic->length);
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	577 dest->replay.delay = CLAMP(periodic->delay);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	578
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	579 /* Trigger */
2556 fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	580 dest->trigger.button = SDL_SYS_ToButton(periodic->button);
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	581 dest->trigger.interval = CLAMP(periodic->interval);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	582
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	583 /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	584 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	585 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	586 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	587 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	588 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	589 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	590 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	591 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	592 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	593 dest->u.periodic.waveform = FF_SAW_DOWN;
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	594 dest->u.periodic.period = CLAMP(periodic->period);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	595 dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	596 dest->u.periodic.offset = periodic->offset;
2526 2d88b82ce781 More documentation. Edgar Simo <bobbens@gmail.com> parents: 2524 diff changeset	597 /* Phase is calculated based of offset from period and then clamped. */
2d88b82ce781 More documentation. Edgar Simo <bobbens@gmail.com> parents: 2524 diff changeset	598 tmp = ((periodic->phase % 36000) * dest->u.periodic.period) / 36000;
2d88b82ce781 More documentation. Edgar Simo <bobbens@gmail.com> parents: 2524 diff changeset	599 dest->u.periodic.phase = CLAMP(tmp);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	600
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	601 /* Envelope */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	602 dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	603 dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	604 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	605 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	606
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	607 break;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	608
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	609 case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	610 case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	611 case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	612 case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	613 condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	614
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	615 /* Header */
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	616 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	617 dest->type = FF_SPRING;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	618 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	619 dest->type = FF_DAMPER;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	620 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	621 dest->type = FF_INERTIA;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	622 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	623 dest->type = FF_FRICTION;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	624 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	625
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	626 /* Replay */
2539 b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	627 dest->replay.length = (condition->length == SDL_HAPTIC_INFINITY) ?
b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	628 0 : CLAMP(condition->length);
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	629 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	630
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	631 /* Trigger */
2556 fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	632 dest->trigger.button = SDL_SYS_ToButton(condition->button);
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	633 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	634
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	635 /* Condition */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	636 /* X axis */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	637 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	638 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	639 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	640 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	641 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	642 dest->u.condition[0].center = condition->center[0];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	643 /* Y axis */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	644 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	645 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	646 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	647 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	648 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	649 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	650
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	651 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	652
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	653 case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	654 ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	655
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	656 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	657 dest->type = FF_RAMP;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	658 dest->direction = SDL_SYS_ToDirection(&ramp->direction);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	659 if (dest->direction < 0) return -1;
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	660
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	661 /* Replay */
2539 b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	662 dest->replay.length = (ramp->length == SDL_HAPTIC_INFINITY) ?
b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	663 0 : CLAMP(ramp->length);
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	664 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	665
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	666 /* Trigger */
2556 fe346eddd3fb Updated button trigger stuff. Edgar Simo <bobbens@gmail.com> parents: 2539 diff changeset	667 dest->trigger.button = SDL_SYS_ToButton(ramp->button);
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	668 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	669
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	670 /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	671 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	672 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	673
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	674 /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	675 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	676 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	677 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	678 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	679
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	680 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	681
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	682
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	683 default:
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	684 SDL_SetError("Haptic: Unknown effect type.");
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	685 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	686 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	687
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	688 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	689 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	690
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	691
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	692 /*
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	693 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	694 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	695 int
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	696 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	697 SDL_HapticEffect * base)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	698 {
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	699 struct ff_effect * linux_effect;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	700
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	701 /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	702 effect->hweffect = (struct haptic_hweffect *)
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	703 SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	704 if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	705 SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	706 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	707 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	708
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	709 /* Prepare the ff_effect */
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	710 linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	711 if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	712 goto new_effect_err;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	713 }
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	714 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	715
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	716 /* Upload the effect */
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	717 if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	718 SDL_SetError("Haptic: Error uploading effect to the device: %s", strerror(errno));
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	719 goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	720 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	721
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	722 return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	723
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	724 new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	725 free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	726 effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	727 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	728 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	729
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	730
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	731 /*
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	732 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	733 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	734 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	735 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	736 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	737 int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	738 struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	739 {
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	740 struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	741
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	742 /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	743 if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	744 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	745 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	746 linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	747
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	748 /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	749 if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	750 SDL_SetError("Haptic: Error updating the effect: %s", strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	751 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	752 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	753
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	754 /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	755 SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	756
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	757 return effect->hweffect->effect.id;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	758 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	759
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	760
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	761 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	762 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	763 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	764 int
2519 af9df9662807 More explicit with iterations and length. Edgar Simo <bobbens@gmail.com> parents: 2518 diff changeset	765 SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
af9df9662807 More explicit with iterations and length. Edgar Simo <bobbens@gmail.com> parents: 2518 diff changeset	766 Uint32 iterations)
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	767 {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	768 struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	769
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	770 /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	771 run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	772 run.code = effect->hweffect->effect.id;
2539 b4c41a7eea04 Properly support INFINITY length haptic effects on linux. Edgar Simo <bobbens@gmail.com> parents: 2530 diff changeset	773 /* We don't actually have infinity here, so we just do INT_MAX which is pretty damn close. */
2519 af9df9662807 More explicit with iterations and length. Edgar Simo <bobbens@gmail.com> parents: 2518 diff changeset	774 run.value = (iterations > INT_MAX) ? INT_MAX : iterations;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	775
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	776 if (write(haptic->hwdata->fd, (const void*) &run, sizeof(run)) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	777 SDL_SetError("Haptic: Unable to run the effect: %s", strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	778 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	779 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	780
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	781 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	782 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	783
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	784
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	785 /*
2485 67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	786 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	787 */
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	788 int
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	789 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	790 {
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	791 struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	792
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	793 stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	794 stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	795 stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	796
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	797 if (write(haptic->hwdata->fd, (const void*) &stop, sizeof(stop)) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	798 SDL_SetError("Haptic: Unable to stop the effect: %s", strerror(errno));
2485 67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	799 return -1;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	800 }
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	801
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	802 return 0;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	803 }
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	804
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	805
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	806 /*
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	807 * Frees the effect.
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	808 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	809 void
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	810 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	811 {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	812 if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	813 SDL_SetError("Haptic: Error removing the effect from the device: %s",
2496 8f840a6cdf01 Using errno for more verbosity in errors. Edgar Simo <bobbens@gmail.com> parents: 2495 diff changeset	814 strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	815 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	816 SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	817 effect->hweffect = NULL;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	818 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	819
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	820
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	821 /*
2495 66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	822 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	823 */
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	824 int
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	825 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect * effect)
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	826 {
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	827 #if 0 /* Not supported atm. */
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	828 struct input_event ie;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	829
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	830 ie.type = EV_FF;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	831 ie.type = EV_FF_STATUS;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	832 ie.code = effect->hweffect->effect.id;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	833
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	834 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	835 SDL_SetError("Haptic: Error getting device status.");
2495 66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	836 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	837 }
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	838
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	839 return 0;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	840 #endif
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	841
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	842 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	843 }
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	844
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	845
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	846 /*
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	847 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	848 */
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	849 int
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	850 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	851 {
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	852 struct input_event ie;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	853
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	854 ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	855 ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	856 ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	857
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	858 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	859 SDL_SetError("Haptic: 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	860 return -1;
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	861 }
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	862
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	863 return 0;
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	864 }
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	865
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	866
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	867 /*
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	868 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	869 */
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	870 int
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	871 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	872 {
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	873 struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	874
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	875 ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	876 ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	877 ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	878
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	879 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	880 SDL_SetError("Haptic: 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	881 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	882 }
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	883
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	884 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	885 }
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	886
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	887
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	888 #endif /* SDL_HAPTIC_LINUX */

Mercurial > sdl-ios-xcode

annotate src/haptic/linux/SDL_syshaptic.c @ 2612:63ea27a96a96 gsoc2008_force_feedback