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

annotate src/haptic/linux/SDL_syshaptic.c @ 5104:42a7591530d5

Since we're directly reading and writing 'active' from different threads, it needs to be flagged volatile.

author	Sam Lantinga <slouken@libsdl.org>
date	Wed, 26 Jan 2011 19:20:16 -0800
parents	0c71708adbcb
children

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 /* Allocate the hwdata */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 haptic->hwdata = (struct haptic_hwdata *)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 SDL_malloc(sizeof(*haptic->hwdata));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 if (haptic->hwdata == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 goto open_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 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	265
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 /* Set the data. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 haptic->hwdata->fd = fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 haptic->supported = EV_IsHaptic(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 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	270
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 /* Set the effects */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 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	273 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	274 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 goto open_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 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	278 haptic->effects = (struct haptic_effect *)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 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	280 if (haptic->effects == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 goto open_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 /* Clear the memory */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 SDL_memset(haptic->effects, 0,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 sizeof(struct haptic_effect) * haptic->neffects);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 return 0;
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 /* Error handling */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 open_err:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 if (haptic->hwdata != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 free(haptic->hwdata);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 haptic->hwdata = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 return -1;
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
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 * Opens a haptic device for usage.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 int ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 /* Open the character device */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 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	312 if (fd < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 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	314 SDL_hapticlist[haptic->index], strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 /* Try to create the haptic. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 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	320 if (ret < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 /* Set the fname. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 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	326 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328
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 * 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	332 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 SDL_SYS_HapticMouse(void)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 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	340
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 /* Open the device. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 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	343 if (fd < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 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	345 SDL_hapticlist[i], strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 /* Is it a mouse? */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 if (EV_IsMouse(fd)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 close(fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 return i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 close(fd);
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
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 return -1;
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
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 * 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	364 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 return EV_IsHaptic(joystick->hwdata->fd);
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
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 * 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	374 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 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	377 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 /* 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	379 * joystick methods. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 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	381 return 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 return 0;
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
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 * 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	389 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 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	392 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 int fd;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 int ret;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	397
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 /* 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	399 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	400 if (SDL_hapticlist[i].fname != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 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	402 == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 haptic->index = i;
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	404 break;
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 }
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	408 if (i >= MAX_HAPTICS) {
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	409 SDL_SetError("Haptic: Joystick doesn't have Haptic capabilities");
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	410 return -1;
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	411 }
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 fd = open(joystick->hwdata->fname, O_RDWR, 0);
3080 4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	414 if (fd < 0) {
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	415 SDL_SetError("Haptic: Unable to open %s: %s",
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	416 joystick->hwdata->fname, strerror(errno));
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	417 return -1;
4094b4f1c3a1 More verbosity and error checking. Edgar Simo <bobbens@gmail.com> parents: 2713 diff changeset	418 }
2713 0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 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	420 if (ret < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 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	425 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427
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 * Closes the haptic device.
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 void
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 SDL_SYS_HapticClose(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 if (haptic->hwdata) {
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 /* Free effects. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 SDL_free(haptic->effects);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 haptic->effects = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 haptic->neffects = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 /* Clean up */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 close(haptic->hwdata->fd);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 /* Free */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 SDL_free(haptic->hwdata);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 haptic->hwdata = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 /* Clear the rest. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 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	452 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453
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 * 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	457 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 void
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 SDL_SYS_HapticQuit(void)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 int i;
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 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	464 /* 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	465 * Close your haptic devices after usage. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 SDL_free(SDL_hapticlist[i].fname);
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_hapticlist[0].fname = NULL;
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
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 * 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	475 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 static Uint16
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 SDL_SYS_ToButton(Uint16 button)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 Uint16 ff_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 ff_button = 0;
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 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 * 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	485 * 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	486 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 if (button != 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 ff_button = BTN_GAMEPAD + button - 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 return ff_button;
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
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 * 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	497 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 static Uint16
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 SDL_SYS_ToDirection(SDL_HapticDirection * dir)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 Uint32 tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 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	503
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 switch (dir->type) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 case SDL_HAPTIC_POLAR:
3680 7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	506 /* Linux directions start from south.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	507 (and range from 0 to 0xFFFF)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	508 Quoting include/linux/input.h, line 926:
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	509 Direction of the effect is encoded as follows:
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	510 0 deg -> 0x0000 (down)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	511 90 deg -> 0x4000 (left)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	512 180 deg -> 0x8000 (up)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	513 270 deg -> 0xC000 (right)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	514 */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	515 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	516 return (Uint16) tmp;
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	517
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	518 case SDL_HAPTIC_SPHERICAL:
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 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	521 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	522 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	523 from EAST {1,0} towards SOUTH {0,1}.
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	524 --> add 9000
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	525 --> 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	526 */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	527 tmp = ((dir->dir[0]) + 9000) % 36000; /* Convert to polars */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	528 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	529 return (Uint16) tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 case SDL_HAPTIC_CARTESIAN:
3680 7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	532 f = atan2(dir->dir[1], dir->dir[0]);
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	533 /*
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	534 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	535 - Y-axis-value is the second coordinate (from center to SOUTH)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	536 - X-axis-value is the first coordinate (from center to EAST)
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	537 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	538 have the first spherical value. Therefore we proceed as in case
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	539 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	540 --> add 45000 in total
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	541 --> 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	542 */
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	543 tmp = (((int) (f * 18000. / M_PI)) + 45000) % 36000;
7c18b38f0f9a Fixed bug #920 Sam Lantinga <slouken@libsdl.org> parents: 3218 diff changeset	544 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	545 return (Uint16) tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 default:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 SDL_SetError("Haptic: Unsupported direction type.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 return (Uint16) - 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 return 0;
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
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 #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	557 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 * 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	559 * 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	560 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 static int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 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	563 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 Uint32 tmp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 SDL_HapticConstant *constant;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 SDL_HapticPeriodic *periodic;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 SDL_HapticCondition *condition;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 SDL_HapticRamp *ramp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 /* Clear up */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 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	572
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 switch (src->type) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 case SDL_HAPTIC_CONSTANT:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 constant = &src->constant;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 dest->type = FF_CONSTANT;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 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	580 if (dest->direction == (Uint16) - 1)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 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	585 0 : CLAMP(constant->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 dest->replay.delay = CLAMP(constant->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 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	590 dest->trigger.interval = CLAMP(constant->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 /* Constant */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 dest->u.constant.level = constant->level;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 /* Envelope */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 dest->u.constant.envelope.attack_length =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 CLAMP(constant->attack_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 dest->u.constant.envelope.attack_level =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 CLAMP(constant->attack_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 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	601 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	602
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 break;
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 case SDL_HAPTIC_SINE:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 case SDL_HAPTIC_SQUARE:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 case SDL_HAPTIC_TRIANGLE:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 case SDL_HAPTIC_SAWTOOTHUP:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 case SDL_HAPTIC_SAWTOOTHDOWN:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 periodic = &src->periodic;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 dest->type = FF_PERIODIC;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 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	615 if (dest->direction == (Uint16) - 1)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 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	620 0 : CLAMP(periodic->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 dest->replay.delay = CLAMP(periodic->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 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	625 dest->trigger.interval = CLAMP(periodic->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 /* Periodic */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 if (periodic->type == SDL_HAPTIC_SINE)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 dest->u.periodic.waveform = FF_SINE;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 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	631 dest->u.periodic.waveform = FF_SQUARE;
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_TRIANGLE)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 dest->u.periodic.waveform = FF_TRIANGLE;
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_SAWTOOTHUP)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 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	636 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	637 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	638 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	639 dest->u.periodic.magnitude = periodic->magnitude;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 dest->u.periodic.offset = periodic->offset;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 /* 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	642 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	643 dest->u.periodic.phase = CLAMP(tmp);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 /* Envelope */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 dest->u.periodic.envelope.attack_length =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 CLAMP(periodic->attack_length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 dest->u.periodic.envelope.attack_level =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 CLAMP(periodic->attack_level);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 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	651 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	652
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 break;
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 case SDL_HAPTIC_SPRING:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 case SDL_HAPTIC_DAMPER:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 case SDL_HAPTIC_INERTIA:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 case SDL_HAPTIC_FRICTION:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 condition = &src->condition;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 if (condition->type == SDL_HAPTIC_SPRING)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 dest->type = FF_SPRING;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 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	665 dest->type = FF_DAMPER;
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_INERTIA)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 dest->type = FF_INERTIA;
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_FRICTION)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 dest->type = FF_FRICTION;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 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	671
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 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	674 0 : CLAMP(condition->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 dest->replay.delay = CLAMP(condition->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 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	679 dest->trigger.interval = CLAMP(condition->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 /* Condition */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 /* X axis */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 dest->u.condition[0].right_saturation =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 CLAMP(condition->right_sat[0]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 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	686 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	687 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	688 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	689 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	690 /* Y axis */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 dest->u.condition[1].right_saturation =
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 CLAMP(condition->right_sat[1]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 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	694 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	695 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	696 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	697 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	698
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 /*
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 * 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	701 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 break;
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 case SDL_HAPTIC_RAMP:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706 ramp = &src->ramp;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 /* Header */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 dest->type = FF_RAMP;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 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	711 if (dest->direction == (Uint16) - 1)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 /* Replay */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 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	716 0 : CLAMP(ramp->length);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 dest->replay.delay = CLAMP(ramp->delay);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 /* Trigger */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 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	721 dest->trigger.interval = CLAMP(ramp->interval);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 /* Ramp */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724 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	725 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	726
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 /* Envelope */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 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	729 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	730 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	731 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	732
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 break;
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
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 default:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 SDL_SetError("Haptic: Unknown effect type.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 return 0;
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
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 * Creates a new haptic effect.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 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	750 SDL_HapticEffect * base)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 struct ff_effect *linux_effect;
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 /* Allocate the hardware effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 effect->hweffect = (struct haptic_hweffect *)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 SDL_malloc(sizeof(struct haptic_hweffect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 if (effect->hweffect == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 /* Prepare the ff_effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 linux_effect = &effect->hweffect->effect;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 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	765 goto new_effect_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 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	768
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 /* Upload the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 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	771 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	772 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 goto new_effect_err;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 return 0;
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 new_effect_err:
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 free(effect->hweffect);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 effect->hweffect = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783
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 * Updates an effect.
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 * 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	789 * 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	790 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 struct haptic_effect *effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 SDL_HapticEffect * data)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 struct ff_effect linux_effect;
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 /* Create the new effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 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	800 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 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	803
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804 /* See if it can be uploaded. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 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	806 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	807 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811 /* Copy the new effect into memory. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812 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	813 sizeof(struct ff_effect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 return effect->hweffect->effect.id;
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
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 * Runs an effect.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 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	824 Uint32 iterations)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 struct input_event run;
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 /* Prepare to run the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829 run.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 run.code = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 /* 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	832 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	833
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 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	835 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	836 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 return 0;
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
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 * Stops an effect.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847 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	848 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 struct input_event stop;
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 stop.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852 stop.code = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853 stop.value = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 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	856 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	857 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861 return 0;
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
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 * Frees the effect.
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 void
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	869 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	870 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871 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	872 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	873 strerror(errno));
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	875 SDL_free(effect->hweffect);
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	876 effect->hweffect = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878
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 * 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	882 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic,
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885 struct haptic_effect *effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 #if 0 /* Not supported atm. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 struct input_event ie;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 ie.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891 ie.type = EV_FF_STATUS;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892 ie.code = effect->hweffect->effect.id;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894 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	895 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	896 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899 return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	900 #endif
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	901
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 return -1;
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
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 * Sets the gain.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 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	911 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 struct input_event ie;
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 ie.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915 ie.code = FF_GAIN;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	916 ie.value = (0xFFFFUL * gain) / 100;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	917
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	918 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	919 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	920 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	921 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	922
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	923 return 0;
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
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 * Sets the autocentering.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 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	932 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 struct input_event ie;
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 ie.type = EV_FF;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936 ie.code = FF_AUTOCENTER;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	937 ie.value = (0xFFFFUL * autocenter) / 100;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 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	940 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	941 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	942 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 return 0;
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
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 * 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	950 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	951 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952 SDL_SYS_HapticPause(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	953 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	954 return -1;
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
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 * 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	960 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	961 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	962 SDL_SYS_HapticUnpause(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	963 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	964 return -1;
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
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 * Stops all the currently playing effects.
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 int
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	972 SDL_SYS_HapticStopAll(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	973 {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	974 int i, ret;
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 /* 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	977 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	978 if (haptic->effects[i].hweffect != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	979 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	980 if (ret < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	981 SDL_SetError
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	982 ("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	983 return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	984 }
0906692aa6a4 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	985 }
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 return 0;
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
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 #endif /* SDL_HAPTIC_LINUX */

Mercurial > sdl-ios-xcode

annotate src/haptic/linux/SDL_syshaptic.c @ 5104:42a7591530d5