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

annotate src/haptic/linux/SDL_syshaptic.c @ 4826:d532a5a114cd

Why wasn't this in the repository?

author	Eli Gottlieb <eligottlieb@gmail.com>
date	Mon, 02 Aug 2010 23:58:22 -0400
parents	7c18b38f0f9a
children	0c71708adbcb

rev	line source
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 2008 Edgar Simo
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #ifdef SDL_HAPTIC_LINUX
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 #include "SDL_haptic.h"
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "../SDL_syshaptic.h"
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include "SDL_joystick.h"
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include "../../joystick/linux/SDL_sysjoystick_c.h" /* For joystick hwdata */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include <unistd.h> /* close */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #include <linux/input.h> /* Force feedback linux stuff. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #include <fcntl.h> /* O_RDWR */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #include <limits.h> /* INT_MAX */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #include <errno.h> /* errno, strerror */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 #include <math.h> /* atan2 */
3218 81773a1eac83 Patch from David Carre: Sam Lantinga <slouken@libsdl.org> parents: 3080 diff changeset	38 #include <sys/stat.h> /* stat */
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 /* Just in case. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 #ifndef M_PI
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 # define M_PI 3.14159265358979323846
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #endif
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 #define MAX_HAPTICS 32 /* It's doubtful someone has more then 32 evdev */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 * List of available haptic devices.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 static struct
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 char fname; / Dev path name (like /dev/input/event1) */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 SDL_Haptic haptic; / Assosciated haptic. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 } SDL_hapticlist[MAX_HAPTICS];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 * Haptic system hardware data.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 struct haptic_hwdata
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 int fd; /* File descriptor of the device. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 char fname; / Points to the name in SDL_hapticlist. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 };
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 * Haptic system effect data.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 struct haptic_hweffect
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 struct ff_effect effect; /* The linux kernel effect structure. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 };
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 #define test_bit(nr, addr) \
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 #define EV_TEST(ev,f) \
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 if (test_bit((ev), features)) ret \|= (f);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 * Test whether a device has haptic properties.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 * Returns available properties or 0 if there are none.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 static int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 EV_IsHaptic(int fd)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 unsigned int ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 unsigned long features[1 + FF_MAX / sizeof(unsigned long)];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 /* Ask device for what it has. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 ret = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(features)), features) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 SDL_SetError("Haptic: Unable to get device's features: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 /* Convert supported features to SDL_HAPTIC platform-neutral features. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 EV_TEST(FF_SINE, SDL_HAPTIC_SINE);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 EV_TEST(FF_SQUARE, SDL_HAPTIC_SQUARE);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 EV_TEST(FF_TRIANGLE, SDL_HAPTIC_TRIANGLE);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 EV_TEST(FF_SAW_UP, SDL_HAPTIC_SAWTOOTHUP);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 EV_TEST(FF_SAW_DOWN, SDL_HAPTIC_SAWTOOTHDOWN);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 /* Return what it supports. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 return ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 * Tests whether a device is a mouse or not.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 static int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 EV_IsMouse(int fd)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 unsigned long argp[40];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 /* Ask for supported features. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 /* Currently we only test for BTN_MOUSE which can give fake positives. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 if (test_bit(BTN_MOUSE, argp) != 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 return 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 * Initializes the haptic subsystem by finding available devices.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 SDL_SYS_HapticInit(void)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 const char joydev_pattern[] = "/dev/input/event%d";
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 dev_t dev_nums[MAX_HAPTICS];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 char path[PATH_MAX];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 struct stat sb;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 int i, j, k;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 int duplicate;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 int numhaptics;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 numhaptics = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 * Limit amount of checks to MAX_HAPTICS since we may or may not have
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 * permission to some or all devices.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 i = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 for (j = 0; j < MAX_HAPTICS; ++j) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 snprintf(path, PATH_MAX, joydev_pattern, i++);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 /* check to see if file exists */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 if (stat(path, &sb) != 0)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 break;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 /* check for duplicates */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 duplicate = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 if (sb.st_rdev == dev_nums[k]) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 duplicate = 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 if (duplicate) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 continue;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 /* try to open */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 fd = open(path, O_RDWR, 0);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 if (fd < 0)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 continue;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 #ifdef DEBUG_INPUT_EVENTS
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 printf("Checking %s\n", path);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 #endif
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 /* see if it works */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 if (EV_IsHaptic(fd) > 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 SDL_hapticlist[numhaptics].haptic = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 dev_nums[numhaptics] = sb.st_rdev;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 ++numhaptics;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 return numhaptics;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 * Gets the name from a file descriptor.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 static const char *
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 SDL_SYS_HapticNameFromFD(int fd)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 static char namebuf[128];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 /* We use the evdev name ioctl. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 return NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 return namebuf;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 * Return the name of a haptic device, does not need to be opened.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 const char *
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 SDL_SYS_HapticName(int index)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 const char *name;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 /* Open the haptic device. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 name = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 if (fd >= 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 name = SDL_SYS_HapticNameFromFD(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 if (name == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 /* No name found, return device character device */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 name = SDL_hapticlist[index].fname;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 return name;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 * Opens the haptic device from the file descriptor.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 static int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 SDL_SYS_HapticOpenFromFD(SDL_Haptic * haptic, int fd)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 const char *name;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 /* Allocate the hwdata */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 haptic->hwdata = (struct haptic_hwdata *)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 SDL_malloc(sizeof(*haptic->hwdata));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 if (haptic->hwdata == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 goto open_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 /* Set the data. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 haptic->hwdata->fd = fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 haptic->supported = EV_IsHaptic(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 haptic->naxes = 2; /* Hardcoded for now, not sure if it's possible to find out. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 /* Set the effects */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 SDL_SetError("Haptic: Unable to query device memory: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 goto open_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 haptic->nplaying = haptic->neffects; /* Linux makes no distinction. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 haptic->effects = (struct haptic_effect *)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 if (haptic->effects == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 goto open_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 /* Clear the memory */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 SDL_memset(haptic->effects, 0,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 sizeof(struct haptic_effect) * haptic->neffects);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 /* Error handling */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 open_err:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 if (haptic->hwdata != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 free(haptic->hwdata);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 haptic->hwdata = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 * Opens a haptic device for usage.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 int ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 /* Open the character device */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 if (fd < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 SDL_SetError("Haptic: Unable to open %s: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 SDL_hapticlist[haptic->index], strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 /* Try to create the haptic. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 ret = SDL_SYS_HapticOpenFromFD(haptic, fd); /* Already closes on error. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 if (ret < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 /* Set the fname. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 * Opens a haptic device from first mouse it finds for usage.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 SDL_SYS_HapticMouse(void)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 for (i = 0; i < SDL_numhaptics; i++) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 /* Open the device. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 fd = open(SDL_hapticlist[i].fname, O_RDWR, 0);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 if (fd < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 SDL_SetError("Haptic: Unable to open %s: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 SDL_hapticlist[i], strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 /* Is it a mouse? */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 if (EV_IsMouse(fd)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 return i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 * Checks to see if a joystick has haptic features.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 return EV_IsHaptic(joystick->hwdata->fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 * Checks to see if the haptic device and joystick and in reality the same.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 /* We are assuming linux is using evdev which should trump the old
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 * joystick methods. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 if (SDL_strcmp(joystick->hwdata->fname, haptic->hwdata->fname) == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 return 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 * Opens a SDL_Haptic from a SDL_Joystick.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 int ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	399
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 /* Find the joystick in the haptic list. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 for (i = 0; i < MAX_HAPTICS; i++) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 if (SDL_hapticlist[i].fname != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 if (SDL_strcmp(SDL_hapticlist[i].fname, joystick->hwdata->fname)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 haptic->index = i;
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	406 break;
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 }
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	410 if (i >= MAX_HAPTICS) {
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	411 SDL_SetError("Haptic: Joystick doesn't have Haptic capabilities");
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	412 return -1;
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	413 }
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 fd = open(joystick->hwdata->fname, O_RDWR, 0);
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	416 if (fd < 0) {
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	417 SDL_SetError("Haptic: Unable to open %s: %s",
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	418 joystick->hwdata->fname, strerror(errno));
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	419 return -1;
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	420 }
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 ret = SDL_SYS_HapticOpenFromFD(haptic, fd); /* Already closes on error. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 if (ret < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 * Closes the haptic device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 void
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 SDL_SYS_HapticClose(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 if (haptic->hwdata) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 /* Free effects. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 SDL_free(haptic->effects);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 haptic->effects = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 haptic->neffects = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 /* Clean up */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 close(haptic->hwdata->fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 /* Free */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 SDL_free(haptic->hwdata);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 haptic->hwdata = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 /* Clear the rest. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 SDL_memset(haptic, 0, sizeof(SDL_Haptic));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 * Clean up after system specific haptic stuff
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 void
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 SDL_SYS_HapticQuit(void)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 for (i = 0; SDL_hapticlist[i].fname != NULL; i++) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 /* Opened and not closed haptics are leaked, this is on purpose.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 * Close your haptic devices after usage. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 SDL_free(SDL_hapticlist[i].fname);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 SDL_hapticlist[0].fname = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 * Converts an SDL button to a ff_trigger button.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 static Uint16
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 SDL_SYS_ToButton(Uint16 button)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 Uint16 ff_button;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 ff_button = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 * Not sure what the proper syntax is because this actually isn't implemented
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 * in the current kernel from what I've seen (2.6.26).
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 if (button != 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 ff_button = BTN_GAMEPAD + button - 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 return ff_button;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 * Returns the ff_effect usable direction from a SDL_HapticDirection.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 static Uint16
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 SDL_SYS_ToDirection(SDL_HapticDirection * dir)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 Uint32 tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 float f; /* Ideally we'd use fixed point math instead of floats... */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 switch (dir->type) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 case SDL_HAPTIC_POLAR:
3680 7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	508 /* Linux directions start from south.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	509 (and range from 0 to 0xFFFF)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	510 Quoting include/linux/input.h, line 926:
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	511 Direction of the effect is encoded as follows:
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	512 0 deg -> 0x0000 (down)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	513 90 deg -> 0x4000 (left)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	514 180 deg -> 0x8000 (up)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	515 270 deg -> 0xC000 (right)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	516 */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	517 tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000; // convert to range [0,0xFFFF]
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	518 return (Uint16) tmp;
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	519
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	520 case SDL_HAPTIC_SPHERICAL:
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	521 /*
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	522 We convert to polar, because that's the only supported direction on Linux.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	523 The first value of a spherical direction is practically the same as a
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	524 Polar direction, except that we have to add 90 degrees. It is the angle
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	525 from EAST {1,0} towards SOUTH {0,1}.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	526 --> add 9000
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	527 --> finally add 18000 and convert to [0,0xFFFF] as in case SDL_HAPTIC_POLAR.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	528 */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	529 tmp = ((dir->dir[0]) + 9000) % 36000; /* Convert to polars */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	530 tmp = (((18000 + tmp) % 36000) * 0xFFFF) / 36000; // convert to range [0,0xFFFF]
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 return (Uint16) tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 case SDL_HAPTIC_CARTESIAN:
3680 7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	534 f = atan2(dir->dir[1], dir->dir[0]);
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	535 /*
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	536 atan2 takes the parameters: Y-axis-value and X-axis-value (in that order)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	537 - Y-axis-value is the second coordinate (from center to SOUTH)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	538 - X-axis-value is the first coordinate (from center to EAST)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	539 We add 36000, because atan2 also returns negative values. Then we practically
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	540 have the first spherical value. Therefore we proceed as in case
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	541 SDL_HAPTIC_SPHERICAL and add another 9000 to get the polar value.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	542 --> add 45000 in total
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	543 --> finally add 18000 and convert to [0,0xFFFF] as in case SDL_HAPTIC_POLAR.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	544 */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	545 tmp = (((int) (f * 18000. / M_PI)) + 45000) % 36000;
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	546 tmp = (((18000 + tmp) % 36000) * 0xFFFF) / 36000; // convert to range [0,0xFFFF]
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 return (Uint16) tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 default:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 SDL_SetError("Haptic: Unsupported direction type.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 return (Uint16) - 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 #define CLAMP(x) (((x) > 32767) ? 32767 : x)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 * Initializes the linux effect struct from a haptic_effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 * Values above 32767 (for unsigned) are unspecified so we must clamp.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 static int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 SDL_SYS_ToFFEffect(struct ff_effect dest, SDL_HapticEffect src)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 Uint32 tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 SDL_HapticConstant *constant;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 SDL_HapticPeriodic *periodic;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 SDL_HapticCondition *condition;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 SDL_HapticRamp *ramp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 /* Clear up */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 SDL_memset(dest, 0, sizeof(struct ff_effect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 switch (src->type) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 case SDL_HAPTIC_CONSTANT:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 constant = &src->constant;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 dest->type = FF_CONSTANT;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 dest->direction = SDL_SYS_ToDirection(&constant->direction);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 if (dest->direction == (Uint16) - 1)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 dest->replay.length = (constant->length == SDL_HAPTIC_INFINITY) ?
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 0 : CLAMP(constant->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 dest->replay.delay = CLAMP(constant->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 dest->trigger.button = SDL_SYS_ToButton(constant->button);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 dest->trigger.interval = CLAMP(constant->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 /* Constant */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 dest->u.constant.level = constant->level;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 /* Envelope */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 dest->u.constant.envelope.attack_length =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 CLAMP(constant->attack_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 dest->u.constant.envelope.attack_level =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 CLAMP(constant->attack_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 dest->u.constant.envelope.fade_level = CLAMP(constant->fade_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 break;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 case SDL_HAPTIC_SINE:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 case SDL_HAPTIC_SQUARE:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 case SDL_HAPTIC_TRIANGLE:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 case SDL_HAPTIC_SAWTOOTHUP:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 case SDL_HAPTIC_SAWTOOTHDOWN:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 periodic = &src->periodic;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 dest->type = FF_PERIODIC;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 dest->direction = SDL_SYS_ToDirection(&periodic->direction);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 if (dest->direction == (Uint16) - 1)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 dest->replay.length = (periodic->length == SDL_HAPTIC_INFINITY) ?
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 0 : CLAMP(periodic->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 dest->replay.delay = CLAMP(periodic->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 dest->trigger.button = SDL_SYS_ToButton(periodic->button);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 dest->trigger.interval = CLAMP(periodic->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 /* Periodic */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 if (periodic->type == SDL_HAPTIC_SINE)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 dest->u.periodic.waveform = FF_SINE;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 else if (periodic->type == SDL_HAPTIC_SQUARE)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 dest->u.periodic.waveform = FF_SQUARE;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 else if (periodic->type == SDL_HAPTIC_TRIANGLE)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 dest->u.periodic.waveform = FF_TRIANGLE;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 else if (periodic->type == SDL_HAPTIC_SAWTOOTHUP)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 dest->u.periodic.waveform = FF_SAW_UP;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 dest->u.periodic.waveform = FF_SAW_DOWN;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 dest->u.periodic.period = CLAMP(periodic->period);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 dest->u.periodic.magnitude = periodic->magnitude;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 dest->u.periodic.offset = periodic->offset;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 /* Phase is calculated based of offset from period and then clamped. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 tmp = ((periodic->phase % 36000) * dest->u.periodic.period) / 36000;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 dest->u.periodic.phase = CLAMP(tmp);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 /* Envelope */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 dest->u.periodic.envelope.attack_length =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 CLAMP(periodic->attack_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 dest->u.periodic.envelope.attack_level =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 CLAMP(periodic->attack_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 dest->u.periodic.envelope.fade_level = CLAMP(periodic->fade_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 break;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 case SDL_HAPTIC_SPRING:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 case SDL_HAPTIC_DAMPER:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 case SDL_HAPTIC_INERTIA:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 case SDL_HAPTIC_FRICTION:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 condition = &src->condition;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 if (condition->type == SDL_HAPTIC_SPRING)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665 dest->type = FF_SPRING;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 else if (condition->type == SDL_HAPTIC_DAMPER)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 dest->type = FF_DAMPER;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 else if (condition->type == SDL_HAPTIC_INERTIA)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 dest->type = FF_INERTIA;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 else if (condition->type == SDL_HAPTIC_FRICTION)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 dest->type = FF_FRICTION;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672 dest->direction = 0; /* Handled by the condition-specifics. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 dest->replay.length = (condition->length == SDL_HAPTIC_INFINITY) ?
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 0 : CLAMP(condition->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 dest->replay.delay = CLAMP(condition->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680 dest->trigger.button = SDL_SYS_ToButton(condition->button);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 dest->trigger.interval = CLAMP(condition->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 /* Condition */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 /* X axis */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 dest->u.condition[0].right_saturation =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 CLAMP(condition->right_sat[0]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 dest->u.condition[0].left_saturation = CLAMP(condition->left_sat[0]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 dest->u.condition[0].right_coeff = condition->right_coeff[0];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 dest->u.condition[0].left_coeff = condition->left_coeff[0];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 dest->u.condition[0].center = condition->center[0];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 /* Y axis */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 dest->u.condition[1].right_saturation =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 CLAMP(condition->right_sat[1]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 dest->u.condition[1].left_saturation = CLAMP(condition->left_sat[1]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 dest->u.condition[1].right_coeff = condition->right_coeff[1];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 dest->u.condition[1].left_coeff = condition->left_coeff[1];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 dest->u.condition[1].center = condition->center[1];
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 * There is no envelope in the linux force feedback api for conditions.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 break;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 case SDL_HAPTIC_RAMP:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 ramp = &src->ramp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 dest->type = FF_RAMP;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 dest->direction = SDL_SYS_ToDirection(&ramp->direction);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 if (dest->direction == (Uint16) - 1)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 dest->replay.length = (ramp->length == SDL_HAPTIC_INFINITY) ?
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718 0 : CLAMP(ramp->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 dest->replay.delay = CLAMP(ramp->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 dest->trigger.button = SDL_SYS_ToButton(ramp->button);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 dest->trigger.interval = CLAMP(ramp->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 /* Ramp */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 dest->u.ramp.start_level = ramp->start;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 dest->u.ramp.end_level = ramp->end;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 /* Envelope */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730 dest->u.ramp.envelope.attack_length = CLAMP(ramp->attack_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 dest->u.ramp.envelope.attack_level = CLAMP(ramp->attack_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 dest->u.ramp.envelope.fade_length = CLAMP(ramp->fade_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 dest->u.ramp.envelope.fade_level = CLAMP(ramp->fade_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	735 break;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 default:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 SDL_SetError("Haptic: Unknown effect type.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 * Creates a new haptic effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 SDL_HapticEffect * base)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 struct ff_effect *linux_effect;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 /* Allocate the hardware effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 effect->hweffect = (struct haptic_hweffect *)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 SDL_malloc(sizeof(struct haptic_hweffect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 if (effect->hweffect == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 /* Prepare the ff_effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 linux_effect = &effect->hweffect->effect;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 if (SDL_SYS_ToFFEffect(linux_effect, base) != 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 goto new_effect_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 linux_effect->id = -1; /* Have the kernel give it an id */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771 /* Upload the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 SDL_SetError("Haptic: Error uploading effect to the device: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 goto new_effect_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 new_effect_err:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 free(effect->hweffect);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 effect->hweffect = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788 * Updates an effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789 *
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	790 * Note: Dynamically updating the direction can in some cases force
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791 * the effect to restart and run once.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 struct haptic_effect *effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 SDL_HapticEffect * data)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 struct ff_effect linux_effect;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 /* Create the new effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801 if (SDL_SYS_ToFFEffect(&linux_effect, data) != 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	803 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804 linux_effect.id = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806 /* See if it can be uploaded. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807 if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 SDL_SetError("Haptic: Error updating the effect: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 /* Copy the new effect into memory. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814 SDL_memcpy(&effect->hweffect->effect, &linux_effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 sizeof(struct ff_effect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	816
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 return effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822 * Runs an effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	824 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 Uint32 iterations)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	828 struct input_event run;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 /* Prepare to run the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 run.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832 run.code = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 /* We don't actually have infinity here, so we just do INT_MAX which is pretty damn close. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 run.value = (iterations > INT_MAX) ? INT_MAX : iterations;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 if (write(haptic->hwdata->fd, (const void *) &run, sizeof(run)) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 SDL_SetError("Haptic: Unable to run the effect: %s", strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	846 * Stops an effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	850 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851 struct input_event stop;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853 stop.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 stop.code = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 stop.value = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	856
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 if (write(haptic->hwdata->fd, (const void *) &stop, sizeof(stop)) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 SDL_SetError("Haptic: Unable to stop the effect: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	863 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	865
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	866
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	867 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	868 * Frees the effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	869 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	870 void
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871 SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	872 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	873 if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874 SDL_SetError("Haptic: Error removing the effect from the device: %s",
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	875 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	876 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 SDL_free(effect->hweffect);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878 effect->hweffect = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	879 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	880
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	881
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	882 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 * Gets the status of a haptic effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 struct haptic_effect *effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889 #if 0 /* Not supported atm. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 struct input_event ie;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892 ie.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893 ie.type = EV_FF_STATUS;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894 ie.code = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	895
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	896 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 SDL_SetError("Haptic: Error getting device status.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	900
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	901 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 #endif
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	903
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	904 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	905 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	908 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	909 * Sets the gain.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	911 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	913 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914 struct input_event ie;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	916 ie.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	917 ie.code = FF_GAIN;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	918 ie.value = (0xFFFFUL * gain) / 100;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	919
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	920 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	921 SDL_SetError("Haptic: Error setting gain: %s", strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	922 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	923 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	924
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	925 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	926 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	927
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	928
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	929 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930 * Sets the autocentering.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	932 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	935 struct input_event ie;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	937 ie.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938 ie.code = FF_AUTOCENTER;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 ie.value = (0xFFFFUL * autocenter) / 100;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	940
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	941 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	942 SDL_SetError("Haptic: Error setting autocenter: %s", strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	945
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	946 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	947 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	948
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	949
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	950 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	951 * Pausing is not supported atm by linux.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	953 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	954 SDL_SYS_HapticPause(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	955 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	956 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	957 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	958
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	959
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	960 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	961 * Unpausing is not supported atm by linux.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	962 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	963 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	964 SDL_SYS_HapticUnpause(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	965 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	966 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	967 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	968
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	969
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	970 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	971 * Stops all the currently playing effects.
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	972 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	973 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	974 SDL_SYS_HapticStopAll(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	975 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	976 int i, ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	977
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	978 /* Linux does not support this natively so we have to loop. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	979 for (i = 0; i < haptic->neffects; i++) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	980 if (haptic->effects[i].hweffect != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	981 ret = SDL_SYS_HapticStopEffect(haptic, &haptic->effects[i]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	982 if (ret < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	983 SDL_SetError
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	984 ("Haptic: Error while trying to stop all playing effects.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	985 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	986 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	987 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	988 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	989 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	990 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	991
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	992
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	993 #endif /* SDL_HAPTIC_LINUX */

Mercurial > sdl-ios-xcode

annotate src/haptic/linux/SDL_syshaptic.c @ 4826:d532a5a114cd