annotate src/haptic/linux/SDL_syshaptic.c @ 2484:666472fd4cb0 gsoc2008_force_feedback

HapticSetGain checks to see if device supports it. Added HapticSetAutocenter().
author Edgar Simo <bobbens@gmail.com>
date Tue, 01 Jul 2008 14:21:09 +0000
parents 9d52368ebcf5
children 67978eea6d10
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 2008 Edgar Simo
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifdef SDL_JOYSTICK_LINUX
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25
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26 #include "SDL_haptic.h"
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27 #include "../SDL_haptic_c.h"
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28 #include "../SDL_syshaptic.h"
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29
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30 #include <unistd.h> /* close */
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31 #include <linux/input.h>
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32 #include <sys/ioctl.h>
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33 #include <sys/types.h>
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34 #include <sys/stat.h>
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35 #include <fcntl.h>
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36 #include <linux/limits.h>
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37 #include <string.h>
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38
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39
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40 #define MAX_HAPTICS 32
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41
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42
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43 /*
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44 * List of available haptic devices.
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45 */
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46 static struct
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47 {
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48 char *fname;
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49 SDL_Haptic *haptic;
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50 } SDL_hapticlist[MAX_HAPTICS];
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51
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52
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53 /*
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54 * Haptic system hardware data.
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55 */
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56 struct haptic_hwdata
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57 {
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58 int fd;
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59 };
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60
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61
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62 /*
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63 * Haptic system effect data.
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64 */
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65 struct haptic_hweffect
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66 {
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67 struct ff_effect effect;
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68 };
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69
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70
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71
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72 #define test_bit(nr, addr) \
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73 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
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74 #define EV_TEST(ev,f) \
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75 if (test_bit((ev), features)) ret |= (f);
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76 /*
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77 * Test whether a device has haptic properties.
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78 * Returns available properties or 0 if there are none.
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79 */
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80 static int
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81 EV_IsHaptic(int fd)
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82 {
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83 unsigned int ret;
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84 unsigned long features[1 + FF_MAX/sizeof(unsigned long)];
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85
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86 ret = 0;
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87
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88 ioctl(fd, EVIOCGBIT(EV_FF, sizeof(unsigned long) * 4), features);
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89
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90 EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT);
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91 EV_TEST(FF_PERIODIC, SDL_HAPTIC_PERIODIC);
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92 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
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93 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
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94 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
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95 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
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96 EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA);
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97 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
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98 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
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99
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100 return ret;
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101 }
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102
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103 int
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104 SDL_SYS_HapticInit(void)
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105 {
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106 const char joydev_pattern[] = "/dev/input/event%d";
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107 dev_t dev_nums[MAX_HAPTICS];
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108 char path[PATH_MAX];
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109 struct stat sb;
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110 int fd;
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111 int i, j, k;
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112 int duplicate;
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113 int numhaptics;
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114
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115 numhaptics = 0;
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116
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117 i = 0;
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118 for (j = 0; j < MAX_HAPTICS; ++j) {
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119
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120 snprintf(path, PATH_MAX, joydev_pattern, i++);
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121
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122 /* check to see if file exists */
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123 if (stat(path,&sb) != 0)
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124 break;
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125
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126 /* check for duplicates */
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127 duplicate = 0;
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128 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
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129 if (sb.st_rdev == dev_nums[k]) {
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130 duplicate = 1;
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131 }
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132 }
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133 if (duplicate) {
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134 continue;
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135 }
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136
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137 /* try to open */
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138 fd = open(path, O_RDWR, 0);
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139 if (fd < 0) continue;
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140
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141 #ifdef DEBUG_INPUT_EVENTS
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142 printf("Checking %s\n", path);
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143 #endif
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144
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145 /* see if it works */
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146 if (EV_IsHaptic(fd)!=0) {
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147 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
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148 SDL_hapticlist[numhaptics].haptic = NULL;
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149 dev_nums[numhaptics] = sb.st_rdev;
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150 ++numhaptics;
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151 }
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152 close(fd);
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153 }
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154
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155 return numhaptics;
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156 }
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157
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158
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159 /*
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160 * Return the name of a haptic device, does not need to be opened.
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161 */
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162 const char *
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163 SDL_SYS_HapticName(int index)
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164 {
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165 int fd;
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166 static char namebuf[128];
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167 char *name;
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168
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169 name = NULL;
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170 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
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171 if (fd >= 0) {
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172 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
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173 name = SDL_hapticlist[index].fname;
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diff changeset
174 }
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diff changeset
175 else {
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diff changeset
176 name = namebuf;
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177 }
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178 }
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179 close(fd);
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180
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181 return name;
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182 }
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183
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184
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4b874e3a3a2c Some code cleanup.
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185 /*
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diff changeset
186 * Opens a haptic device for usage.
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187 */
2472
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188 int
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189 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
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190 {
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191 int i;
2472
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192 int fd;
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193
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242d8a668ebb * Implemented opening and closing of haptic devices.
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194 /* Open the character device */
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195 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
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196 if (fd < 0) {
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197 SDL_SetError("Unable to open %s\n", SDL_hapticlist[haptic->index]);
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198 return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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199 }
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200
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
201 /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
202 haptic->hwdata = (struct haptic_hwdata *)
2477
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203 SDL_malloc(sizeof(*haptic->hwdata));
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242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
204 if (haptic->hwdata == NULL) {
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parents: 2475
diff changeset
205 SDL_OutOfMemory();
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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diff changeset
206 goto open_err;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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207 }
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diff changeset
208 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2478
4fd783e0f34b Added query functions for haptic devices.
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diff changeset
209 /* Set the data */
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242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
210 haptic->hwdata->fd = fd;
2478
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211 haptic->supported = EV_IsHaptic(fd);
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diff changeset
212
2477
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diff changeset
213 /* Set the effects */
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diff changeset
214 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
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diff changeset
215 SDL_SetError("Unable to query haptic device memory.");
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diff changeset
216 goto open_err;
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diff changeset
217 }
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diff changeset
218 haptic->effects = (struct haptic_effect *)
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diff changeset
219 SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
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diff changeset
220 if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
221 SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
222 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
223 }
2483
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
224 /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
225 SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
226 sizeof(struct haptic_effect) * haptic->neffects);
2477
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diff changeset
227
2472
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diff changeset
228 return 0;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
229
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diff changeset
230 /* Error handling */
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diff changeset
231 open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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diff changeset
232 close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
233 if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
234 free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
235 haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
236 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
237 return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
238 }
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
239
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
240
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
241 /*
4b874e3a3a2c Some code cleanup.
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parents: 2474
diff changeset
242 * Closes the haptic device.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
243 */
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
244 void
4b874e3a3a2c Some code cleanup.
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parents: 2474
diff changeset
245 SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
246 {
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
247 if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
248
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
249 /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
250 close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
251
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
252 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
253 SDL_free(haptic->hwdata);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
254 haptic->hwdata = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
255 SDL_free(haptic->effects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
256 haptic->neffects = 0;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
257 }
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
258 }
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
259
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
260
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
261 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
262 * 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
263 */
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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parents: 2472
diff changeset
264 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
265 SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
266 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
267 int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
268
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
269 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
270 SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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parents: 2472
diff changeset
271 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
272 SDL_hapticlist[0].fname = NULL;
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
2481
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
275 #define CLAMP(x) (((x) > 32767) ? 32767 : x)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
276 /*
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
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parents: 2478
diff changeset
277 * Initializes the linux effect struct from a haptic_effect.
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
278 * Values above 32767 (for unsigned) are unspecified so we must clamp.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
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parents: 2478
diff changeset
279 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
280 static int
2480
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
281 SDL_SYS_ToFFEffect( struct ff_effect * dest, SDL_HapticEffect * src )
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
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parents: 2478
diff changeset
282 {
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
283 int i;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
284 SDL_HapticConstant *constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
285 SDL_HapticPeriodic *periodic;
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
286 SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
287 SDL_HapticRamp *ramp;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
288
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
289 /* Clear up */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
290 SDL_memset(dest, 0, sizeof(struct ff_effect));
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
291
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
292 switch (src->type) {
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
293 case SDL_HAPTIC_CONSTANT:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
294 constant = &src->constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
295
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
296 /* Header */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
297 dest->type = FF_CONSTANT;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
298 dest->direction = CLAMP(constant->direction);
2480
b883974445fc Some more error reporting.
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diff changeset
299
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
300 /* Replay */
2481
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parents: 2480
diff changeset
301 dest->replay.length = CLAMP(constant->length);
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parents: 2480
diff changeset
302 dest->replay.delay = CLAMP(constant->delay);
2480
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
303
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
304 /* Trigger */
2481
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
305 dest->trigger.button = CLAMP(constant->button);
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
306 dest->trigger.interval = CLAMP(constant->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
307
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
308 /* Constant */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
309 dest->u.constant.level = constant->level;
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
310
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
311 /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
312 dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
313 dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
314 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
315 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
316
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
317 break;
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
318
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
319 case SDL_HAPTIC_PERIODIC:
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
320 periodic = &src->periodic;
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
321
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
322 /* Header */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
323 dest->type = FF_PERIODIC;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
324 dest->direction = CLAMP(periodic->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
325
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
326 /* Replay */
2481
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
327 dest->replay.length = CLAMP(periodic->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
328 dest->replay.delay = CLAMP(periodic->delay);
2480
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
329
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
330 /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
331 dest->trigger.button = CLAMP(periodic->button);
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
332 dest->trigger.interval = CLAMP(periodic->interval);
2480
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
333
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
334 /* Constant */
2481
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
335 switch (periodic->waveform) {
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
336 case SDL_WAVEFORM_SINE:
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parents: 2480
diff changeset
337 dest->u.periodic.waveform = FF_SINE;
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
338 break;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
339 case SDL_WAVEFORM_SQUARE:
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
340 dest->u.periodic.waveform = FF_SQUARE;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
341 break;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
342 case SDL_WAVEFORM_TRIANGLE:
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
343 dest->u.periodic.waveform = FF_TRIANGLE;
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
344 break;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
345 case SDL_WAVEFORM_SAWTOOTHUP:
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
346 dest->u.periodic.waveform = FF_SAW_UP;
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
347 break;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
348 case SDL_WAVEFORM_SAWTOOTHDOWN:
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
349 dest->u.periodic.waveform = FF_SAW_DOWN;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
350 break;
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
351
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
352 default:
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
353 SDL_SetError("Unknown waveform.");
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
354 return -1;
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
355 }
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
356 dest->u.periodic.period = CLAMP(periodic->period);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
357 dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
358 dest->u.periodic.offset = periodic->offset;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
359 dest->u.periodic.phase = CLAMP(periodic->phase);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
360
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
361 /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
362 dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
363 dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
364 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
365 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
366
b9eb2cfe16cd Added some preliminary support for haptic effect control.
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parents: 2478
diff changeset
367 break;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
368
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
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parents: 2481
diff changeset
369 case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
370 case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
371 case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
372 case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
373 condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
374
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
375 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
376 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
377 dest->type = FF_SPRING;
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_DAMPER)
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
379 dest->type = FF_DAMPER;
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_INERTIA)
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
381 dest->type = FF_INERTIA;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
382 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
383 dest->type = FF_FRICTION;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
384 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
385
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
386 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
387 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
388 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
389
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
390 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
391 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
392 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
393
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
394 /* Condition - TODO handle axes */
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_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
396 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
397 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
398 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
399 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
400 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
401
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
402 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
403
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
404 case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
405 ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
406
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
407 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
408 dest->type = FF_RAMP;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
409 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
410
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
411 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
412 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
413 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
414
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
415 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
416 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
417 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
418
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
419 /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
420 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
421 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
422
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
423 /* Envelope */
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.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
425 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
426 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
427 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
428
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
429 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
430
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
431
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
432 default:
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
433 SDL_SetError("Unknown haptic effect type.");
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
434 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
435 }
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 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
438 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
439
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
440
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
441 /*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
442 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
443 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
444 int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
445 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
446 SDL_HapticEffect * base)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
447 {
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
448 struct ff_effect * linux_effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
449
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
450 /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
451 effect->hweffect = (struct haptic_hweffect *)
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
452 SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
453 if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
454 SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
455 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
456 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
457
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
458 /* Prepare the ff_effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
459 linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
460 if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
461 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
462 }
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
463 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
464
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
465 /* Upload the effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
466 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
467 SDL_SetError("Error uploading effect to the haptic device.");
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
468 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
469 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
470
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
471 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
472 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
473
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
474
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
475 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
476 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
477 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
478 int
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
479 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
480 {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
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diff changeset
481 struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
482
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
483 /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
484 run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
485 run.code = effect->hweffect->effect.id;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
486 run.value = 1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
487
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
488 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
489 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
490 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
491 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
492
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
493 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
494 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
495
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
496
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
497 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
498 * Frees the effect
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 void
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
501 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
502 {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
503 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
504 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
505 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
506 SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
507 effect->hweffect = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
508 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
509
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
510
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
511 /*
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
512 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
513 */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
514 int
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
515 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
516 {
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
517 struct input_event ie;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
518
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
519 ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
520 ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
521 ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
522
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
523 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
524 SDL_SetError("Error setting gain.");
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
525 return -1;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
526 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
527
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
528 return 0;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
529 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
530
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
531
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
532 /*
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
533 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
534 */
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
535 int
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
536 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
537 {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
538 struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
539
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
540 ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
541 ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
542 ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
543
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
544 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
545 SDL_SetError("Error setting autocenter.");
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
546 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
547 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
548
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
549 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
550 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
551
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
552
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
553
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
554 #endif /* SDL_HAPTIC_LINUX */