src/haptic/linux/SDL_syshaptic.c
author Edgar Simo <bobbens@gmail.com>
Tue, 01 Jul 2008 18:35:05 +0000
branchgsoc2008_force_feedback
changeset 2488 8e2bdbccf7ff
parent 2487 4c8e25ef2d97
child 2489 96adc8025331
permissions -rw-r--r--
Added SDL_HapticUpdateEffect().
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     1
/*
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     2
    SDL - Simple DirectMedia Layer
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     3
    Copyright (C) 2008 Edgar Simo
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     4
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     5
    This library is free software; you can redistribute it and/or
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     6
    modify it under the terms of the GNU Lesser General Public
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     7
    License as published by the Free Software Foundation; either
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     8
    version 2.1 of the License, or (at your option) any later version.
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
     9
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    10
    This library is distributed in the hope that it will be useful,
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    13
    Lesser General Public License for more details.
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    14
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    15
    You should have received a copy of the GNU Lesser General Public
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    16
    License along with this library; if not, write to the Free Software
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    18
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    19
    Sam Lantinga
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    20
    slouken@libsdl.org
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    21
*/
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    22
#include "SDL_config.h"
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    23
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    24
#ifdef SDL_JOYSTICK_LINUX
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    25
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    26
#include "SDL_haptic.h"
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    27
#include "../SDL_haptic_c.h"
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    28
#include "../SDL_syshaptic.h"
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    29
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    30
#include <unistd.h> /* close */
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    31
#include <linux/input.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    32
#include <sys/ioctl.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    33
#include <sys/types.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    34
#include <sys/stat.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    35
#include <fcntl.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    36
#include <linux/limits.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    37
#include <string.h>
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    38
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    39
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    40
#define MAX_HAPTICS  32
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    41
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    42
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    43
/*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    44
 * List of available haptic devices.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    45
 */
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    46
static struct
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    47
{
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    48
   char *fname;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    49
   SDL_Haptic *haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    50
} SDL_hapticlist[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    51
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    52
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    53
/*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    54
 * Haptic system hardware data.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    55
 */
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    56
struct haptic_hwdata
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    57
{
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    58
   int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    59
};
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    60
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    61
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    62
/*
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    63
 * Haptic system effect data.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    64
 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    65
struct haptic_hweffect
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    66
{
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
    67
   struct ff_effect effect;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    68
};
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    69
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
    70
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    71
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    72
#define test_bit(nr, addr) \
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    73
   (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    74
#define EV_TEST(ev,f) \
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    75
   if (test_bit((ev), features)) ret |= (f);
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    76
/*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    77
 * Test whether a device has haptic properties.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    78
 * Returns available properties or 0 if there are none.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
    79
 */
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    80
static int
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    81
EV_IsHaptic(int fd)
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    82
{
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    83
   unsigned int ret;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    84
   unsigned long features[1 + FF_MAX/sizeof(unsigned long)];
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    85
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    86
   ret = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    87
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    88
   ioctl(fd, EVIOCGBIT(EV_FF, sizeof(unsigned long) * 4), features);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    89
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    90
   EV_TEST(FF_CONSTANT,   SDL_HAPTIC_CONSTANT);
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
    91
   EV_TEST(FF_PERIODIC,   SDL_HAPTIC_SINE |
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
    92
                          SDL_HAPTIC_SQUARE |
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
    93
                          SDL_HAPTIC_TRIANGLE |
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
    94
                          SDL_HAPTIC_SAWTOOTHUP |
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
    95
                          SDL_HAPTIC_SAWTOOTHDOWN);
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    96
   EV_TEST(FF_RAMP,       SDL_HAPTIC_RAMP);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    97
   EV_TEST(FF_SPRING,     SDL_HAPTIC_SPRING);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    98
   EV_TEST(FF_FRICTION,   SDL_HAPTIC_FRICTION);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
    99
   EV_TEST(FF_DAMPER,     SDL_HAPTIC_DAMPER);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   100
   EV_TEST(FF_INERTIA,    SDL_HAPTIC_INERTIA);
2486
24dd8b8669fa Added SDL_HAPTIC_CUSTOM (not supported on linux).
Edgar Simo <bobbens@gmail.com>
parents: 2485
diff changeset
   101
   EV_TEST(FF_CUSTOM,     SDL_HAPTIC_CUSTOM);
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   102
   EV_TEST(FF_GAIN,       SDL_HAPTIC_GAIN);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   103
   EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   104
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   105
   return ret;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   106
}
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   107
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   108
int
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   109
SDL_SYS_HapticInit(void)
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   110
{
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   111
   const char joydev_pattern[] = "/dev/input/event%d";
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   112
   dev_t dev_nums[MAX_HAPTICS];
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   113
   char path[PATH_MAX];
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   114
   struct stat sb;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   115
   int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   116
   int i, j, k;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   117
   int duplicate;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   118
   int numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   119
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   120
   numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   121
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   122
   i = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   123
   for (j = 0; j < MAX_HAPTICS; ++j) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   124
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   125
      snprintf(path, PATH_MAX, joydev_pattern, i++);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   126
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   127
      /* check to see if file exists */
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   128
      if (stat(path,&sb) != 0)
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   129
         break;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   130
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   131
      /* check for duplicates */
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   132
      duplicate = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   133
      for (k = 0; (k < numhaptics) && !duplicate; ++k) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   134
         if (sb.st_rdev == dev_nums[k]) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   135
            duplicate = 1;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   136
         }                                                     
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   137
      }                                                         
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   138
      if (duplicate) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   139
         continue;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   140
      }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   141
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   142
      /* try to open */
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   143
      fd = open(path, O_RDWR, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   144
      if (fd < 0) continue;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   145
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   146
#ifdef DEBUG_INPUT_EVENTS
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   147
      printf("Checking %s\n", path);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   148
#endif          
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   149
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   150
      /* see if it works */
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   151
      if (EV_IsHaptic(fd)!=0) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   152
         SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   153
         SDL_hapticlist[numhaptics].haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   154
         dev_nums[numhaptics] = sb.st_rdev;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   155
         ++numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   156
      }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   157
      close(fd);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   158
   }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   159
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   160
   return numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   161
}
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   162
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   163
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   164
/*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   165
 * Return the name of a haptic device, does not need to be opened.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   166
 */
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   167
const char *
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   168
SDL_SYS_HapticName(int index)
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   169
{
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   170
   int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   171
   static char namebuf[128];
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   172
   char *name;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   173
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   174
   name = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   175
   fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   176
   if (fd >= 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   177
      if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   178
         name = SDL_hapticlist[index].fname;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   179
      }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   180
      else {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   181
         name = namebuf;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   182
      }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   183
   }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   184
   close(fd);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   185
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   186
   return name;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   187
}
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   188
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   189
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   190
/*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   191
 * Opens a haptic device for usage.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   192
 */
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   193
int
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   194
SDL_SYS_HapticOpen(SDL_Haptic * haptic)
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   195
{
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   196
   int i;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   197
   int fd;
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   198
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   199
   /* Open the character device */
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   200
   fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   201
   if (fd < 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   202
      SDL_SetError("Unable to open %s\n", SDL_hapticlist[haptic->index]);
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   203
      return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   204
   }
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   205
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   206
   /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   207
   haptic->hwdata = (struct haptic_hwdata *)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   208
         SDL_malloc(sizeof(*haptic->hwdata));
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   209
   if (haptic->hwdata == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   210
      SDL_OutOfMemory();
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   211
      goto open_err;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   212
   }
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   213
   SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2478
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
   214
   /* Set the data */
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   215
   haptic->hwdata->fd = fd;
2478
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
   216
   haptic->supported = EV_IsHaptic(fd);
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   217
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   218
   /* Set the effects */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   219
   if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   220
      SDL_SetError("Unable to query haptic device memory.");
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   221
      goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   222
   }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   223
   haptic->effects = (struct haptic_effect *)
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   224
         SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   225
   if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   226
      SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   227
      goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   228
   }
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   229
   /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   230
   SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   231
         sizeof(struct haptic_effect) * haptic->neffects);
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   232
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   233
   return 0;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   234
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   235
   /* Error handling */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   236
open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   237
   close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   238
   if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   239
      free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   240
      haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   241
   }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   242
   return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   243
}
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   244
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   245
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   246
/*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   247
 * Closes the haptic device.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   248
 */
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   249
void
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   250
SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   251
{
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   252
   if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   253
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   254
      /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   255
      close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   256
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   257
      /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   258
      SDL_free(haptic->hwdata);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   259
      haptic->hwdata = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   260
      SDL_free(haptic->effects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   261
      haptic->neffects = 0;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   262
   }
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   263
}
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   264
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   265
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   266
/* 
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   267
 * Clean up after system specific haptic stuff
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   268
 */
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   269
void
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   270
SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   271
{
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   272
   int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   273
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   274
   for (i=0; SDL_hapticlist[i].fname != NULL; i++) {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   275
      SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   276
   }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   277
   SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   278
}
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   279
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   280
#define  CLAMP(x)    (((x) > 32767) ? 32767 : x)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   281
/*
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   282
 * Initializes the linux effect struct from a haptic_effect.
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   283
 * Values above 32767 (for unsigned) are unspecified so we must clamp.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   284
 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   285
static int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   286
SDL_SYS_ToFFEffect( struct ff_effect * dest, SDL_HapticEffect * src )
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   287
{
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   288
   int i;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   289
   SDL_HapticConstant *constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   290
   SDL_HapticPeriodic *periodic;
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   291
   SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   292
   SDL_HapticRamp *ramp;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   293
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   294
   /* Clear up */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   295
   SDL_memset(dest, 0, sizeof(struct ff_effect));
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   296
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   297
   switch (src->type) {
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   298
      case SDL_HAPTIC_CONSTANT:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   299
         constant = &src->constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   300
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   301
         /* Header */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   302
         dest->type = FF_CONSTANT;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   303
         dest->direction = CLAMP(constant->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   304
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   305
         /* Replay */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   306
         dest->replay.length = CLAMP(constant->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   307
         dest->replay.delay = CLAMP(constant->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   308
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   309
         /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   310
         dest->trigger.button = CLAMP(constant->button);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   311
         dest->trigger.interval = CLAMP(constant->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   312
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   313
         /* Constant */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   314
         dest->u.constant.level = constant->level;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   315
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   316
         /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   317
         dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   318
         dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   319
         dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   320
         dest->u.constant.envelope.fade_level = CLAMP(constant->fade_level);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   321
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   322
         break;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   323
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   324
      case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   325
      case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   326
      case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   327
      case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   328
      case SDL_HAPTIC_SAWTOOTHDOWN:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   329
         periodic = &src->periodic;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   330
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   331
         /* Header */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   332
         dest->type = FF_PERIODIC;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   333
         dest->direction = CLAMP(periodic->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   334
         
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   335
         /* Replay */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   336
         dest->replay.length = CLAMP(periodic->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   337
         dest->replay.delay = CLAMP(periodic->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   338
         
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   339
         /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   340
         dest->trigger.button = CLAMP(periodic->button);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   341
         dest->trigger.interval = CLAMP(periodic->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   342
         
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   343
         /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   344
         if (periodic->type == SDL_HAPTIC_SINE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   345
            dest->u.periodic.waveform = FF_SINE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   346
         else if (periodic->type == SDL_HAPTIC_SQUARE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   347
            dest->u.periodic.waveform = FF_SQUARE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   348
         else if (periodic->type == SDL_HAPTIC_TRIANGLE)       
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   349
            dest->u.periodic.waveform = FF_TRIANGLE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   350
         else if (periodic->type == SDL_HAPTIC_SAWTOOTHUP)       
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   351
            dest->u.periodic.waveform = FF_SAW_UP;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   352
         else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN)       
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   353
            dest->u.periodic.waveform = FF_SAW_DOWN;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   354
         dest->u.periodic.period = CLAMP(periodic->period);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   355
         dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   356
         dest->u.periodic.offset = periodic->offset;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   357
         dest->u.periodic.phase = CLAMP(periodic->phase);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   358
         
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   359
         /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   360
         dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   361
         dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   362
         dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   363
         dest->u.periodic.envelope.fade_level = CLAMP(periodic->fade_level);
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   364
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   365
         break;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   366
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   367
      case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   368
      case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   369
      case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   370
      case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   371
         condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   372
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   373
         /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   374
         if (dest->type == SDL_HAPTIC_SPRING)
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   375
            dest->type = FF_SPRING;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   376
         else if (dest->type == SDL_HAPTIC_DAMPER)
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   377
            dest->type = FF_DAMPER;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   378
         else if (dest->type == SDL_HAPTIC_INERTIA)
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   379
            dest->type = FF_INERTIA;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   380
         else if (dest->type == SDL_HAPTIC_FRICTION)
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   381
            dest->type = FF_FRICTION;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   382
         dest->direction = CLAMP(condition->direction);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   383
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   384
         /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   385
         dest->replay.length = CLAMP(condition->length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   386
         dest->replay.delay = CLAMP(condition->delay);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   387
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   388
         /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   389
         dest->trigger.button = CLAMP(condition->button);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   390
         dest->trigger.interval = CLAMP(condition->interval);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   391
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   392
         /* Condition - TODO handle axes */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   393
         dest->u.condition[0].right_saturation = CLAMP(condition->right_sat);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   394
         dest->u.condition[0].left_saturation = CLAMP(condition->left_sat);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   395
         dest->u.condition[0].right_coeff = condition->right_coeff;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   396
         dest->u.condition[0].left_coeff = condition->left_coeff;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   397
         dest->u.condition[0].deadband = CLAMP(condition->deadband);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   398
         dest->u.condition[0].center = condition->center;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   399
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   400
         break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   401
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   402
      case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   403
         ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   404
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   405
         /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   406
         dest->type = FF_RAMP;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   407
         dest->direction = CLAMP(ramp->direction);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   408
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   409
         /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   410
         dest->replay.length = CLAMP(ramp->length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   411
         dest->replay.delay = CLAMP(ramp->delay);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   412
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   413
         /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   414
         dest->trigger.button = CLAMP(ramp->button);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   415
         dest->trigger.interval = CLAMP(ramp->interval);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   416
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   417
         /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   418
         dest->u.ramp.start_level = ramp->start;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   419
         dest->u.ramp.end_level = ramp->end;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   420
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   421
         /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   422
         dest->u.ramp.envelope.attack_length = CLAMP(ramp->attack_length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   423
         dest->u.ramp.envelope.attack_level = CLAMP(ramp->attack_level);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   424
         dest->u.ramp.envelope.fade_length = CLAMP(ramp->fade_length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   425
         dest->u.ramp.envelope.fade_level = CLAMP(ramp->fade_level);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   426
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   427
         break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   428
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   429
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   430
      default:
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   431
         SDL_SetError("Unknown haptic effect type.");
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   432
         return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   433
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   434
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   435
   return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   436
}
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   437
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   438
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   439
/*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   440
 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   441
 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   442
int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   443
SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   444
      SDL_HapticEffect * base)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   445
{
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   446
   struct ff_effect * linux_effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   447
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   448
   /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   449
   effect->hweffect = (struct haptic_hweffect *) 
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   450
         SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   451
   if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   452
      SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   453
      return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   454
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   455
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   456
   /* Prepare the ff_effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   457
   linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   458
   if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   459
      goto new_effect_err;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   460
   }
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   461
   linux_effect->id = -1; /* Have the kernel give it an id */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   462
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   463
   /* Upload the effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   464
   if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   465
      SDL_SetError("Error uploading effect to the haptic device.");
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   466
      goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   467
   }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   468
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   469
   return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   470
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   471
new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   472
   free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   473
   effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   474
   return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   475
}
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   476
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   477
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   478
/*
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   479
 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   480
 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   481
 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   482
 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   483
 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   484
int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   485
      struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   486
{
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   487
   struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   489
   /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   490
   if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   491
      return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   492
   }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   493
   linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   494
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   495
   /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   496
   if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   497
      SDL_SetError("Error updating the haptic effect.");
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   498
      return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   499
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   500
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   501
   /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   502
   SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   503
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   504
   return effect->hweffect->effect.id;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   505
}
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   506
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   507
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   508
/*
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   509
 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   510
 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   511
int
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   512
SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   513
{
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   514
   struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   515
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   516
   /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   517
   run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   518
   run.code = effect->hweffect->effect.id;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   519
   run.value = 1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   520
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   521
   if (write(haptic->hwdata->fd, (const void*) &run, sizeof(run)) < 0) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   522
      SDL_SetError("Unable to run the haptic effect.");
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   523
      return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   524
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   525
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   526
   return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   527
}
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   528
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   529
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   530
/*
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   531
 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   532
 */
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   533
int
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   534
SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   535
{
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   536
   struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   537
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   538
   stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   539
   stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   540
   stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   541
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   542
   if (write(haptic->hwdata->fd, (const void*) &stop, sizeof(stop)) < 0) {
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   543
      SDL_SetError("Unable to stop the haptic effect.");
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   544
      return -1;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   545
   }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   546
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   547
   return 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   548
}
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   549
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   550
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   551
/*
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   552
 * Frees the effect.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   553
 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   554
void
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   555
SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   556
{
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   557
   if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   558
      SDL_SetError("Error removing the effect from the haptic device.");
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   559
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   560
   SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   561
   effect->hweffect = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   562
}
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   563
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   564
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   565
/*
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   566
 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   567
 */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   568
int
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   569
SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   570
{
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   571
   struct input_event ie;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   572
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   573
   ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   574
   ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   575
   ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   576
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   577
   if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   578
      SDL_SetError("Error setting gain.");
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   579
      return -1;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   580
   }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   581
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   582
   return 0;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   583
}
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   584
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   585
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   586
/*
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   587
 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   588
 */
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   589
int
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   590
SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   591
{
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   592
   struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   593
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   594
   ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   595
   ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   596
   ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   597
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   598
   if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   599
      SDL_SetError("Error setting autocenter.");
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   600
      return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   601
   }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   602
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   603
   return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   604
}
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   605
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   606
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   607
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   608
#endif /* SDL_HAPTIC_LINUX */