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

annotate src/haptic/linux/SDL_syshaptic.c @ 2523:366d84fdf8d1 gsoc2008_force_feedback

Haptic subsystem handles haptic axes now. Support for SDL_HAPTIC_SPHERICAL on linux. More error checking. Improved documentation. Added missing SDLCALLs to SDL_haptic.h.

author	Edgar Simo <bobbens@gmail.com>
date	Thu, 17 Jul 2008 11:47:48 +0000
parents	af9df9662807
children	1a55848ce198

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;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	68 };
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	69
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	70
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	71 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	72 * Haptic system effect data.
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	73 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	74 struct haptic_hweffect
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	75 {
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	76 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	77 };
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
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	80
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	81 #define test_bit(nr, addr) \
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	82 (((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	83 #define EV_TEST(ev,f) \
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	84 if (test_bit((ev), features)) ret \|= (f);
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	85 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	86 * Test whether a device has haptic properties.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	87 * Returns available properties or 0 if there are none.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	88 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	89 static int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	90 EV_IsHaptic(int fd)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	91 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	92 unsigned int ret;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	93 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	94
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	95 /* Ask device for what it has. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	96 ret = 0;
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	97 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	98 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	99 return -1;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	100 }
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	101
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	102 /* 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	103 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	104 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	105 SDL_HAPTIC_SQUARE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	106 SDL_HAPTIC_TRIANGLE \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	107 SDL_HAPTIC_SAWTOOTHUP \|
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	108 SDL_HAPTIC_SAWTOOTHDOWN);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	109 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	110 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	111 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	112 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	113 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	114 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM);
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	115 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	116 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	117
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	118 /* Return what it supports. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	119 return ret;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	120 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	121
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	122
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 * Tests whether a device is a mouse or not.
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	125 */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	126 static int
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	127 EV_IsMouse(int fd)
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	128 {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	129 unsigned long argp[40];
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	130
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	131 /* Ask for supported features. */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	132 if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	133 return -1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	134 }
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 /* 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	137 if (test_bit(BTN_MOUSE,argp) != 0) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	138 return 1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	139 }
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 return 0;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	142 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	143
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	144 /*
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	145 * Initializes the haptic subsystem by finding available devices.
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	146 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	147 int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	148 SDL_SYS_HapticInit(void)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	149 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	150 const char joydev_pattern[] = "/dev/input/event%d";
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	151 dev_t dev_nums[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	152 char path[PATH_MAX];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	153 struct stat sb;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	154 int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	155 int i, j, k;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	156 int duplicate;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	157 int numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	158
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	159 numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	160
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	161 /*
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	162 * 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	163 * permission to some or all devices.
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	164 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	165 i = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	166 for (j = 0; j < MAX_HAPTICS; ++j) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	167
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	168 snprintf(path, PATH_MAX, joydev_pattern, i++);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	169
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	170 /* check to see if file exists */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	171 if (stat(path,&sb) != 0)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	172 break;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	173
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	174 /* check for duplicates */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	175 duplicate = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	176 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	177 if (sb.st_rdev == dev_nums[k]) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	178 duplicate = 1;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	179 }
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 if (duplicate) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	182 continue;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	183 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	184
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	185 /* try to open */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	186 fd = open(path, O_RDWR, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	187 if (fd < 0) continue;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	188
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	189 #ifdef DEBUG_INPUT_EVENTS
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	190 printf("Checking %s\n", path);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	191 #endif
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	192
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	193 /* see if it works */
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	194 if (EV_IsHaptic(fd) > 0) {
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	195 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	196 SDL_hapticlist[numhaptics].haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	197 dev_nums[numhaptics] = sb.st_rdev;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	198 ++numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	199 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	200 close(fd);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	201 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	202
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	203 return numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	204 }
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
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	207 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	208 * 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	209 */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	210 const char *
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	211 SDL_SYS_HapticName(int index)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	212 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	213 int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	214 static char namebuf[128];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	215 char *name;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	216
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	217 /* Open the haptic device. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	218 name = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	219 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	220
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	221 if (fd >= 0) {
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	222
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	223 /* Check for name ioctl. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	224 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	225
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	226 /* No name found, return device character device */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	227 name = SDL_hapticlist[index].fname;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	228 }
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	229 /* Name found, return name. */
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	230 else {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	231 name = namebuf;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	232 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	233 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	234 close(fd);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	235
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	236 return name;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	237 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	238
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	239
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	240 /*
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	241 * Opens the haptic device from the file descriptor.
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	242 */
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	243 static int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	244 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	245 {
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	246 /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	247 haptic->hwdata = (struct haptic_hwdata *)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	248 SDL_malloc(sizeof(*haptic->hwdata));
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	249 if (haptic->hwdata == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	250 SDL_OutOfMemory();
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	251 goto open_err;
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	252 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	253 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	254
2478 4fd783e0f34b Added query functions for haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2477 diff changeset	255 /* Set the data */
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	256 haptic->hwdata->fd = fd;
2478 4fd783e0f34b Added query functions for haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2477 diff changeset	257 haptic->supported = EV_IsHaptic(fd);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	258 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	259
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	260 /* Set the effects */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	261 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	262 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	263 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	264 }
2515 030fc4375e63 Added SDL_HapticNumEffectsPlaying(). Edgar Simo <bobbens@gmail.com> parents: 2513 diff changeset	265 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	266 haptic->effects = (struct haptic_effect *)
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	267 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	268 if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	269 SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	270 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	271 }
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	272 /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	273 SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	274 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	275
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	276 return 0;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	277
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	278 /* Error handling */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	279 open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	280 close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	281 if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	282 free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	283 haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	284 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	285 return -1;
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	286 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	287
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	288
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	289 /*
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	290 * Opens a haptic device for usage.
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	291 */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	292 int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	293 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	294 {
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	295 int fd;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	296
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	297 /* Open the character device */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	298 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	299 if (fd < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	300 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	301 SDL_hapticlist[haptic->index], strerror(errno));
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	302 return -1;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	303 }
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	304
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	305 return SDL_SYS_HapticOpenFromFD(haptic,fd);
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	306 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	307
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	308
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	309 /*
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	310 * 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	311 */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	312 int
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	313 SDL_SYS_HapticMouse(void)
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	314 {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	315 int fd;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	316 int i;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	317
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	318 for (i=0; i<SDL_numhaptics; i++) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	319
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	320 /* Open the device. */
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	321 fd = open(SDL_hapticlist[i].fname, O_RDWR, 0);
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	322 if (fd < 0) {
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	323 SDL_SetError("Haptic: Unable to open %s: %s",
2512 ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	324 SDL_hapticlist[i], strerror(errno));
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	325 return -1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	326 }
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	327
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	328 if (EV_IsMouse(fd)) {
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	329 close(fd);
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	330 return i;
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 close(fd);
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
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	336 return -1;
ef147ee4896c Improved some ioctl handling. Edgar Simo <bobbens@gmail.com> parents: 2511 diff changeset	337 }
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	338
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	339
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	340 /*
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	341 * 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	342 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	343 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	344 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	345 {
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	346 return EV_IsHaptic(joystick->hwdata->fd);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	347 }
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	348
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	349
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	350 /*
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	351 * 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	352 */
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	353 int
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	354 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	355 {
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	356 if (SDL_strcmp(joystick->name,haptic->name)==0) {
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	357 return 1;
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	358 }
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	359 return 0;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	360 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	361
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	362
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	363 /*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	364 * 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	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_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	368 {
2490 be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	369 int fd;
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	370 fd = open(joystick->hwdata->fname, O_RDWR, 0);
be9b206d44af Some more error checking. Edgar Simo <bobbens@gmail.com> parents: 2489 diff changeset	371 return SDL_SYS_HapticOpenFromFD(haptic,fd);
2489 96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	372 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	373
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	374
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2488 diff changeset	375 /*
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	376 * Closes the haptic device.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	377 */
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	378 void
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	379 SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	380 {
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	381 if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	382
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	383 /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	384 close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	385
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	386 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	387 SDL_free(haptic->hwdata);
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	388 haptic->hwdata = NULL;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	389 SDL_free(haptic->effects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	390 haptic->neffects = 0;
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	391 }
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	392 }
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	393
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	394
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	395 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	396 * 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	397 */
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	398 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	399 SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	400 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	401 int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	402
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	403 for (i=0; SDL_hapticlist[i].fname != NULL; i++) {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	404 SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	405 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	406 SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	407 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	408
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	409 /*
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	410 * 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	411 */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	412 static Uint16
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	413 SDL_SYS_ToDirection( SDL_HapticDirection * dir )
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	414 {
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	415 Uint32 tmp;
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	416 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	417
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	418 switch (dir->type) {
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	419 case SDL_HAPTIC_POLAR:
2502 5356ca0c36a3 Fixed linux directions being inverted. Edgar Simo <bobbens@gmail.com> parents: 2500 diff changeset	420 /* Linux directions are inverted. */
5356ca0c36a3 Fixed linux directions being inverted. Edgar Simo <bobbens@gmail.com> parents: 2500 diff changeset	421 tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	422 return (Uint16) tmp;
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	423
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	424 case SDL_HAPTIC_CARTESIAN:
2511 f12ae0bae468 Fixed bugs in documentation. Edgar Simo <bobbens@gmail.com> parents: 2510 diff changeset	425 /* 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	426 f = atan2(dir->dir[0], dir->dir[1]);
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	427 tmp = (int)(f*18000./M_PI) % 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	428 tmp = (tmp * 0xFFFF) / 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux. Edgar Simo <bobbens@gmail.com> parents: 2503 diff changeset	429 return (Uint16) tmp;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	430
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	431 case SDL_HAPTIC_SPHERICAL:
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	432 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	433 tmp = (((18000 + tmp) % 36000) * 0xFFFF) / 36000;
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	434 return (Uint16) tmp;
366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	435
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	436 default:
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	437 SDL_SetError("Haptic: Unsupported direction type.");
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	438 return -1;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	439 }
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	440
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	441 return 0;
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	442 }
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	443
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	444 #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	445 /*
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	446 * Initializes the linux effect struct from a haptic_effect.
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	447 * 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	448 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	449 static int
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	450 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	451 {
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	452 SDL_HapticConstant *constant;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	453 SDL_HapticPeriodic *periodic;
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	454 SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	455 SDL_HapticRamp *ramp;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	456
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	457 /* Clear up */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	458 SDL_memset(dest, 0, sizeof(struct ff_effect));
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	459
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	460 switch (src->type) {
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	461 case SDL_HAPTIC_CONSTANT:
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	462 constant = &src->constant;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	463
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	464 /* Header */
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	465 dest->type = FF_CONSTANT;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	466 dest->direction = SDL_SYS_ToDirection(&constant->direction);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	467 if (dest->direction < 0) return -1;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	468
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	469 /* Replay */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	470 dest->replay.length = CLAMP(constant->length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	471 dest->replay.delay = CLAMP(constant->delay);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	472
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	473 /* Trigger */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	474 dest->trigger.button = CLAMP(constant->button);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	475 dest->trigger.interval = CLAMP(constant->interval);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	476
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	477 /* Constant */
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	478 dest->u.constant.level = constant->level;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	479
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	480 /* Envelope */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	481 dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	482 dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	483 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	484 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	485
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	486 break;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	487
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	488 case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	489 case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	490 case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	491 case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	492 case SDL_HAPTIC_SAWTOOTHDOWN:
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	493 periodic = &src->periodic;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	494
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	495 /* Header */
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	496 dest->type = FF_PERIODIC;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	497 dest->direction = SDL_SYS_ToDirection(&periodic->direction);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	498 if (dest->direction < 0) return -1;
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	499
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	500 /* Replay */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	501 dest->replay.length = CLAMP(periodic->length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	502 dest->replay.delay = CLAMP(periodic->delay);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	503
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	504 /* Trigger */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	505 dest->trigger.button = CLAMP(periodic->button);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	506 dest->trigger.interval = CLAMP(periodic->interval);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	507
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	508 /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	509 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	510 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	511 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	512 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	513 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	514 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	515 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	516 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	517 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	518 dest->u.periodic.waveform = FF_SAW_DOWN;
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	519 dest->u.periodic.period = CLAMP(periodic->period);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	520 dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	521 dest->u.periodic.offset = periodic->offset;
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	522 dest->u.periodic.phase = CLAMP(periodic->phase);
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	523
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	524 /* Envelope */
2481 5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	525 dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	526 dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	527 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments. Edgar Simo <bobbens@gmail.com> parents: 2480 diff changeset	528 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	529
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	530 break;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	531
2482 b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	532 case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	533 case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	534 case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	535 case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	536 condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	537
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	538 /* Header */
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	539 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	540 dest->type = FF_SPRING;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	541 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	542 dest->type = FF_DAMPER;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	543 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	544 dest->type = FF_INERTIA;
2503 84a634009a83 Another important typo mistake. Edgar Simo <bobbens@gmail.com> parents: 2502 diff changeset	545 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	546 dest->type = FF_FRICTION;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	547 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	548
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	549 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	550 dest->replay.length = CLAMP(condition->length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	551 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	552
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	553 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	554 dest->trigger.button = CLAMP(condition->button);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	555 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	556
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	557 /* Condition */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	558 /* X axis */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	559 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	560 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	561 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	562 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	563 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	564 dest->u.condition[0].center = condition->center[0];
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	565 /* Y axis */
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	566 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	567 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	568 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	569 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	570 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	571 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	572
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	573 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	574
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	575 case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	576 ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	577
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	578 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	579 dest->type = FF_RAMP;
2500 5251d0510b7e Implemented polar coordinates in linux. Edgar Simo <bobbens@gmail.com> parents: 2496 diff changeset	580 dest->direction = SDL_SYS_ToDirection(&ramp->direction);
2523 366d84fdf8d1 Haptic subsystem handles haptic axes now. Edgar Simo <bobbens@gmail.com> parents: 2519 diff changeset	581 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	582
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	583 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	584 dest->replay.length = CLAMP(ramp->length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	585 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	586
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	587 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	588 dest->trigger.button = CLAMP(ramp->button);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	589 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	590
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	591 /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	592 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	593 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	594
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	595 /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	596 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	597 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	598 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	599 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	600
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	601 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	602
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead). Edgar Simo <bobbens@gmail.com> parents: 2481 diff changeset	603
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	604 default:
2513 55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability. Edgar Simo <bobbens@gmail.com> parents: 2512 diff changeset	605 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	606 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	607 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	608
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	609 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	610 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	611
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	612
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	613 /*
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	614 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	615 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	616 int
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	617 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	618 SDL_HapticEffect * base)
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	619 {
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	620 struct ff_effect * linux_effect;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	621
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	622 /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	623 effect->hweffect = (struct haptic_hweffect *)
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	624 SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	625 if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	626 SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	627 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	628 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	629
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	630 /* Prepare the ff_effect */
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	631 linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	632 if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	633 goto new_effect_err;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	634 }
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	635 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	636
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	637 /* Upload the effect */
2480 b883974445fc Some more error reporting. Edgar Simo <bobbens@gmail.com> parents: 2479 diff changeset	638 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	639 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	640 goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	641 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	642
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	643 return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	644
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	645 new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	646 free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	647 effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	648 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	649 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	650
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	651
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	652 /*
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	653 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	654 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	655 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	656 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	657 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	658 int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	659 struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	660 {
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	661 struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	662
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	663 /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	664 if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	665 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	666 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	667 linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	668
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	669 /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	670 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	671 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	672 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	673 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	674
2488 8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	675 /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	676 SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	677
8e2bdbccf7ff Added SDL_HapticUpdateEffect(). Edgar Simo <bobbens@gmail.com> parents: 2487 diff changeset	678 return effect->hweffect->effect.id;
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	679 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	680
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	681
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	682 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	683 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	684 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	685 int
2519 af9df9662807 More explicit with iterations and length. Edgar Simo <bobbens@gmail.com> parents: 2518 diff changeset	686 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	687 Uint32 iterations)
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	688 {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	689 struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	690
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	691 /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	692 run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	693 run.code = effect->hweffect->effect.id;
2519 af9df9662807 More explicit with iterations and length. Edgar Simo <bobbens@gmail.com> parents: 2518 diff changeset	694 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	695
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	696 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	697 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	698 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	699 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	700
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	701 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	702 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	703
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	704
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	705 /*
2485 67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	706 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	707 */
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	708 int
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	709 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	710 {
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	711 struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	712
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	713 stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	714 stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	715 stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	716
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	717 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	718 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	719 return -1;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	720 }
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	721
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	722 return 0;
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	723 }
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	724
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	725
67978eea6d10 Added SDL_HapticStopEffect(). Edgar Simo <bobbens@gmail.com> parents: 2484 diff changeset	726 /*
2487 4c8e25ef2d97 Merged seperate waveforms into types to be more compatible. Edgar Simo <bobbens@gmail.com> parents: 2486 diff changeset	727 * Frees the effect.
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	728 */
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	729 void
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	730 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	731 {
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	732 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	733 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	734 strerror(errno));
2479 b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	735 }
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	736 SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control. Edgar Simo <bobbens@gmail.com> parents: 2478 diff changeset	737 effect->hweffect = NULL;
2477 97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	738 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects. Edgar Simo <bobbens@gmail.com> parents: 2476 diff changeset	739
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	740
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	741 /*
2495 66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	742 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	743 */
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	744 int
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	745 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect * effect)
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	746 {
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	747 #if 0 /* Not supported atm. */
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	748 struct input_event ie;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	749
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	750 ie.type = EV_FF;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	751 ie.type = EV_FF_STATUS;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	752 ie.code = effect->hweffect->effect.id;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	753
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	754 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	755 SDL_SetError("Haptic: Error getting device status.");
2495 66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	756 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	757 }
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	758
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	759 return 0;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	760 #endif
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	761
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	762 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	763 }
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	764
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	765
66c02abeef0e Added SDL_HapticGetEffectStatus(). Edgar Simo <bobbens@gmail.com> parents: 2493 diff changeset	766 /*
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	767 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	768 */
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	769 int
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	770 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	771 {
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	772 struct input_event ie;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	773
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	774 ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	775 ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	776 ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	777
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	778 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	779 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	780 return -1;
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	781 }
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	782
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	783 return 0;
2483 9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	784 }
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	785
9d52368ebcf5 Setting effects memory to 0. Edgar Simo <bobbens@gmail.com> parents: 2482 diff changeset	786
2484 666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	787 /*
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	788 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	789 */
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	790 int
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	791 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	792 {
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	793 struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	794
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	795 ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	796 ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	797 ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	798
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	799 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	800 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	801 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	802 }
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	803
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	804 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	805 }
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	806
666472fd4cb0 HapticSetGain checks to see if device supports it. Edgar Simo <bobbens@gmail.com> parents: 2483 diff changeset	807
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	808 #endif /* SDL_HAPTIC_LINUX */

Mercurial > sdl-ios-xcode

annotate src/haptic/linux/SDL_syshaptic.c @ 2523:366d84fdf8d1 gsoc2008_force_feedback