annotate src/haptic/linux/SDL_syshaptic.c @ 2500:5251d0510b7e gsoc2008_force_feedback

Implemented polar coordinates in linux. SDL_ConditionEffect now takes into account both axes.
author Edgar Simo <bobbens@gmail.com>
date Sun, 06 Jul 2008 21:47:41 +0000
parents 8f840a6cdf01
children 5356ca0c36a3
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_HAPTIC_LINUX
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25
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26 #include "SDL_haptic.h"
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27 #include "../SDL_syshaptic.h"
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28 #include "SDL_joystick.h"
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29 #include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */
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30 #include "../../joystick/linux/SDL_sysjoystick_c.h" /* For joystick hwdata */
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31
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32 #include <unistd.h> /* close */
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33 #include <linux/input.h>
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34 #include <sys/ioctl.h>
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35 #include <sys/types.h>
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36 #include <sys/stat.h>
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37 #include <fcntl.h>
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38 #include <linux/limits.h>
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39 #include <string.h>
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40 #include <errno.h>
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41
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42
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43 #define MAX_HAPTICS 32
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44
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45
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46 /*
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47 * List of available haptic devices.
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48 */
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49 static struct
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50 {
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51 char *fname;
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52 SDL_Haptic *haptic;
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53 } SDL_hapticlist[MAX_HAPTICS];
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54
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55
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56 /*
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57 * Haptic system hardware data.
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58 */
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59 struct haptic_hwdata
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60 {
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61 int fd;
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62 };
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63
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64
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65 /*
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66 * Haptic system effect data.
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67 */
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68 struct haptic_hweffect
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69 {
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70 struct ff_effect effect;
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71 };
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72
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73
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74
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75 #define test_bit(nr, addr) \
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76 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
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77 #define EV_TEST(ev,f) \
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78 if (test_bit((ev), features)) ret |= (f);
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79 /*
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80 * Test whether a device has haptic properties.
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81 * Returns available properties or 0 if there are none.
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82 */
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83 static int
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84 EV_IsHaptic(int fd)
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85 {
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86 unsigned int ret;
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87 unsigned long features[1 + FF_MAX/sizeof(unsigned long)];
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88
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89 ret = 0;
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90
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91 if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(unsigned long) * 4), features) < 0) {
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92 SDL_SetError("Unable to get device's haptic abilities: %s", strerror(errno));
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93 return -1;
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94 }
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95
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96 EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT);
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97 EV_TEST(FF_PERIODIC, SDL_HAPTIC_SINE |
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98 SDL_HAPTIC_SQUARE |
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99 SDL_HAPTIC_TRIANGLE |
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100 SDL_HAPTIC_SAWTOOTHUP |
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101 SDL_HAPTIC_SAWTOOTHDOWN);
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102 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
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103 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
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104 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
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105 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
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106 EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA);
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107 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM);
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108 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
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109 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
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110
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111 return ret;
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112 }
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113
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114 /*
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115 * Initializes the haptic subsystem by finding available devices.
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116 */
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117 int
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118 SDL_SYS_HapticInit(void)
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119 {
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120 const char joydev_pattern[] = "/dev/input/event%d";
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121 dev_t dev_nums[MAX_HAPTICS];
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122 char path[PATH_MAX];
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123 struct stat sb;
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124 int fd;
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125 int i, j, k;
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126 int duplicate;
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127 int numhaptics;
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128
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129 numhaptics = 0;
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130
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131 i = 0;
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132 for (j = 0; j < MAX_HAPTICS; ++j) {
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133
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134 snprintf(path, PATH_MAX, joydev_pattern, i++);
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135
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136 /* check to see if file exists */
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137 if (stat(path,&sb) != 0)
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138 break;
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139
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140 /* check for duplicates */
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141 duplicate = 0;
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142 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
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143 if (sb.st_rdev == dev_nums[k]) {
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144 duplicate = 1;
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145 }
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146 }
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parents:
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147 if (duplicate) {
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148 continue;
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parents:
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149 }
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150
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parents:
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151 /* try to open */
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152 fd = open(path, O_RDWR, 0);
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parents:
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153 if (fd < 0) continue;
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154
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155 #ifdef DEBUG_INPUT_EVENTS
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156 printf("Checking %s\n", path);
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157 #endif
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158
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159 /* see if it works */
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160 if (EV_IsHaptic(fd) > 0) {
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161 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
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162 SDL_hapticlist[numhaptics].haptic = NULL;
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163 dev_nums[numhaptics] = sb.st_rdev;
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164 ++numhaptics;
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165 }
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166 close(fd);
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167 }
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168
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169 return numhaptics;
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170 }
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171
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172
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173 /*
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174 * Return the name of a haptic device, does not need to be opened.
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175 */
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176 const char *
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177 SDL_SYS_HapticName(int index)
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178 {
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179 int fd;
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180 static char namebuf[128];
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181 char *name;
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182
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183 name = NULL;
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184 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
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185 if (fd >= 0) {
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186 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
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187 name = SDL_hapticlist[index].fname;
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188 }
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parents:
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189 else {
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190 name = namebuf;
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parents:
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191 }
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parents:
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192 }
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193 close(fd);
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194
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195 return name;
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parents:
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196 }
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197
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198
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4b874e3a3a2c Some code cleanup.
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199 /*
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200 * Opens the haptic device from the file descriptor.
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4b874e3a3a2c Some code cleanup.
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201 */
2490
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diff changeset
202 static int
be9b206d44af Some more error checking.
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203 SDL_SYS_HapticOpenFromFD(SDL_Haptic * haptic, int fd)
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3f73c88c9abb First commit of the SDL_haptic subsystem.
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204 {
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
205 /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices.
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206 haptic->hwdata = (struct haptic_hwdata *)
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207 SDL_malloc(sizeof(*haptic->hwdata));
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242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
208 if (haptic->hwdata == NULL) {
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209 SDL_OutOfMemory();
2477
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210 goto open_err;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
211 }
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
212 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2478
4fd783e0f34b Added query functions for haptic devices.
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213 /* Set the data */
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242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
214 haptic->hwdata->fd = fd;
2478
4fd783e0f34b Added query functions for haptic devices.
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diff changeset
215 haptic->supported = EV_IsHaptic(fd);
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216
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diff changeset
217 /* Set the effects */
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parents: 2476
diff changeset
218 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
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diff changeset
219 SDL_SetError("Unable to query haptic device memory: %s", strerror(errno));
2477
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220 goto open_err;
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parents: 2476
diff changeset
221 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
222 haptic->effects = (struct haptic_effect *)
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diff changeset
223 SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
224 if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
225 SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
226 goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
227 }
2483
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
228 /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
229 SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
230 sizeof(struct haptic_effect) * haptic->neffects);
2477
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diff changeset
231
2472
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diff changeset
232 return 0;
2477
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parents: 2476
diff changeset
233
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
234 /* Error handling */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
235 open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
236 close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
237 if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
238 free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
239 haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
240 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
241 return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
242 }
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
243
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
244
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
245 /*
2490
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
246 * Opens a haptic device for usage.
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
247 */
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
248 int
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
249 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
250 {
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
251 int fd;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
252
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
253 /* Open the character device */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
254 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
255 if (fd < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
256 SDL_SetError("Unable to open %s: %s",
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
257 SDL_hapticlist[haptic->index], strerror(errno));
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
258 return -1;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
259 }
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
260
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
261 return SDL_SYS_HapticOpenFromFD(haptic,fd);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
262 }
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
263
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
264
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
265 /*
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
266 * Checks to see if a joystick has haptic features.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
267 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
268 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
269 SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
270 {
2490
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
271 return EV_IsHaptic(joystick->hwdata->fd);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
272 }
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
273
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
274
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
275 /*
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
276 * Checks to see if the haptic device and joystick and in reality the same.
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
277 */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
278 int
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
279 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
280 {
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
281 if (SDL_strcmp(joystick->name,haptic->name)==0) {
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
282 return 1;
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
283 }
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
284 return 0;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
285 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
286
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
287
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
288 /*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
289 * Opens a SDL_Haptic from a SDL_Joystick.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
290 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
291 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
292 SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
293 {
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
294 int fd;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
295 fd = open(joystick->hwdata->fname, O_RDWR, 0);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
296 return SDL_SYS_HapticOpenFromFD(haptic,fd);
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
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297 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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298
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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299
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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300 /*
2475
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301 * Closes the haptic device.
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302 */
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303 void
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304 SDL_SYS_HapticClose(SDL_Haptic * haptic)
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diff changeset
305 {
2476
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diff changeset
306 if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
307
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
308 /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices.
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309 close(haptic->hwdata->fd);
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310
242d8a668ebb * Implemented opening and closing of haptic devices.
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311 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices.
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312 SDL_free(haptic->hwdata);
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
313 haptic->hwdata = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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314 SDL_free(haptic->effects);
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diff changeset
315 haptic->neffects = 0;
2476
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316 }
2475
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317 }
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diff changeset
318
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319
2477
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320 /*
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diff changeset
321 * Clean up after system specific haptic stuff
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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322 */
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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323 void
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324 SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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diff changeset
325 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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diff changeset
326 int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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diff changeset
327
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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328 for (i=0; SDL_hapticlist[i].fname != NULL; i++) {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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329 SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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330 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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331 SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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332 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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diff changeset
333
2500
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334 /*
5251d0510b7e Implemented polar coordinates in linux.
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335 * Returns the ff_effect usable direction from a SDL_HapticDirection.
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
336 */
5251d0510b7e Implemented polar coordinates in linux.
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337 static Uint16
5251d0510b7e Implemented polar coordinates in linux.
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338 SDL_SYS_ToDirection( SDL_HapticDirection * dir )
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
339 {
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
340 Uint32 tmp;
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
341
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
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diff changeset
342 switch (dir->type) {
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
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diff changeset
343 case SDL_HAPTIC_POLAR:
5251d0510b7e Implemented polar coordinates in linux.
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parents: 2496
diff changeset
344 tmp = ((dir->dir[0] % 36000) * 0xFFFF) / 36000;
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
345 return (Uint16) tmp;
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
346 break;
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
347 case SDL_HAPTIC_CARTESIAN:
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
348 /* TODO implement cartesian for linux since it's not supported
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
349 * by driver */
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
350 break;
5251d0510b7e Implemented polar coordinates in linux.
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diff changeset
351
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
352 default:
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
353 return -1;
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
354 }
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
355
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
356 return 0;
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
357 }
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
358
2481
5d0ea4576f20 More comments.
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parents: 2480
diff changeset
359 #define CLAMP(x) (((x) > 32767) ? 32767 : x)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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diff changeset
360 /*
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
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parents: 2478
diff changeset
361 * Initializes the linux effect struct from a haptic_effect.
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
362 * 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
363 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
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diff changeset
364 static int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
365 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
366 {
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
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parents: 2481
diff changeset
367 int i;
2480
b883974445fc Some more error reporting.
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diff changeset
368 SDL_HapticConstant *constant;
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
369 SDL_HapticPeriodic *periodic;
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
370 SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
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parents: 2481
diff changeset
371 SDL_HapticRamp *ramp;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
372
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
373 /* Clear up */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
374 SDL_memset(dest, 0, sizeof(struct ff_effect));
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
375
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
376 switch (src->type) {
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
377 case SDL_HAPTIC_CONSTANT:
2480
b883974445fc Some more error reporting.
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parents: 2479
diff changeset
378 constant = &src->constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
379
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
380 /* Header */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
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parents: 2478
diff changeset
381 dest->type = FF_CONSTANT;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
382 dest->direction = SDL_SYS_ToDirection(&constant->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
383
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
384 /* Replay */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
385 dest->replay.length = CLAMP(constant->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
386 dest->replay.delay = CLAMP(constant->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
387
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
388 /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
389 dest->trigger.button = CLAMP(constant->button);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
390 dest->trigger.interval = CLAMP(constant->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
391
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
392 /* Constant */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
393 dest->u.constant.level = constant->level;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
394
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
395 /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
396 dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
397 dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
398 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
399 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
400
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
401 break;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
402
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
403 case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
404 case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
405 case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
406 case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
407 case SDL_HAPTIC_SAWTOOTHDOWN:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
408 periodic = &src->periodic;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
409
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
410 /* Header */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
411 dest->type = FF_PERIODIC;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
412 dest->direction = SDL_SYS_ToDirection(&periodic->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
413
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
414 /* Replay */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
415 dest->replay.length = CLAMP(periodic->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
416 dest->replay.delay = CLAMP(periodic->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
417
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
418 /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
419 dest->trigger.button = CLAMP(periodic->button);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
420 dest->trigger.interval = CLAMP(periodic->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
421
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
422 /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
423 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
424 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
425 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
426 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
427 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
428 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
429 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
430 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
431 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
432 dest->u.periodic.waveform = FF_SAW_DOWN;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
433 dest->u.periodic.period = CLAMP(periodic->period);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
434 dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
435 dest->u.periodic.offset = periodic->offset;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
436 dest->u.periodic.phase = CLAMP(periodic->phase);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
437
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
438 /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
439 dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
440 dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
441 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
442 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
443
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
444 break;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
445
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
446 case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
447 case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
448 case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
449 case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
450 condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
451
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
452 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
453 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
454 dest->type = FF_SPRING;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
455 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
456 dest->type = FF_DAMPER;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
457 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
458 dest->type = FF_INERTIA;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
459 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
460 dest->type = FF_FRICTION;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
461 dest->direction = 0; /* Handled by the condition-specifics. */
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
462
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
463 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
464 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
465 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
466
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
467 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
468 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
469 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
470
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
471 /* Condition */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
472 /* X axis */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
473 dest->u.condition[0].right_saturation = CLAMP(condition->right_sat[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
474 dest->u.condition[0].left_saturation = CLAMP(condition->left_sat[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
475 dest->u.condition[0].right_coeff = condition->right_coeff[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
476 dest->u.condition[0].left_coeff = condition->left_coeff[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
477 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
478 dest->u.condition[0].center = condition->center[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
479 /* Y axis */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
480 dest->u.condition[1].right_saturation = CLAMP(condition->right_sat[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
481 dest->u.condition[1].left_saturation = CLAMP(condition->left_sat[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
482 dest->u.condition[1].right_coeff = condition->right_coeff[1];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
483 dest->u.condition[1].left_coeff = condition->left_coeff[1];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
484 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
485 dest->u.condition[1].center = condition->center[1];
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
486
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
487 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
488
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
489 case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
490 ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
491
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
492 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
493 dest->type = FF_RAMP;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
494 dest->direction = SDL_SYS_ToDirection(&ramp->direction);
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
495
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
496 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
497 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
498 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
499
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
500 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
501 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
502 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
503
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
504 /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
505 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
506 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
507
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
508 /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
509 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
510 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
511 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
512 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
513
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
514 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
515
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
516
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
517 default:
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
518 SDL_SetError("Unknown haptic effect type");
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
519 return -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
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
522 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
523 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
524
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
525
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
526 /*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
527 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
528 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
529 int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
530 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
531 SDL_HapticEffect * base)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
532 {
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
533 struct ff_effect * linux_effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
534
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
535 /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
536 effect->hweffect = (struct haptic_hweffect *)
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
537 SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
538 if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
539 SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
540 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
541 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
542
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
543 /* Prepare the ff_effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
544 linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
545 if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
546 goto new_effect_err;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
547 }
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
548 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
549
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
550 /* Upload the effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
551 if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
552 SDL_SetError("Error uploading effect to the haptic device: %s", strerror(errno));
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
553 goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
554 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
555
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
556 return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
557
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
558 new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
559 free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
560 effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
561 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
562 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
563
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
564
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
565 /*
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
566 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
567 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
568 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
569 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
570 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
571 int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
572 struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
573 {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
574 struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
575
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
576 /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
577 if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
578 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
579 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
580 linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
581
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
582 /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
583 if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
584 SDL_SetError("Error updating the haptic effect: %s", strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
585 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
586 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
587
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
588 /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
589 SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
590
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
591 return effect->hweffect->effect.id;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
592 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
593
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
594
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
595 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
596 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
597 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
598 int
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
599 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
600 {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
601 struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
602
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
603 /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
604 run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
605 run.code = effect->hweffect->effect.id;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
606 run.value = 1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
607
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
608 if (write(haptic->hwdata->fd, (const void*) &run, sizeof(run)) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
609 SDL_SetError("Unable to run the haptic effect: %s", strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
610 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
611 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
612
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
613 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
614 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
615
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
616
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
617 /*
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
618 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
619 */
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
620 int
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
621 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
622 {
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
623 struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
624
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
625 stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
626 stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
627 stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
628
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
629 if (write(haptic->hwdata->fd, (const void*) &stop, sizeof(stop)) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
630 SDL_SetError("Unable to stop the haptic effect: %s", strerror(errno));
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
631 return -1;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
632 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
633
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
634 return 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
635 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
636
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
637
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
638 /*
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
639 * Frees the effect.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
640 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
641 void
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
642 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
643 {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
644 if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
645 SDL_SetError("Error removing the effect from the haptic device: %s",
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
646 strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
647 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
648 SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
649 effect->hweffect = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
650 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
651
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
652
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
653 /*
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
654 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
655 */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
656 int
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
657 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect * effect)
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
658 {
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
659 #if 0 /* Not supported atm. */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
660 struct input_event ie;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
661
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
662 ie.type = EV_FF;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
663 ie.type = EV_FF_STATUS;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
664 ie.code = effect->hweffect->effect.id;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
665
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
666 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
667 SDL_SetError("Error getting haptic device status.");
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
668 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
669 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
670
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
671 return 0;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
672 #endif
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
673
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
674 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
675 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
676
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
677
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
678 /*
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
679 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
680 */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
681 int
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
682 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
683 {
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
684 struct input_event ie;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
685
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
686 ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
687 ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
688 ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
689
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
690 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
691 SDL_SetError("Error setting gain: %s", strerror(errno));
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
692 return -1;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
693 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
694
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
695 return 0;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
696 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
697
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
698
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
699 /*
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
700 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
701 */
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
702 int
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
703 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
704 {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
705 struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
706
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
707 ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
708 ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
709 ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
710
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
711 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
712 SDL_SetError("Error setting autocenter: %s", strerror(errno));
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
713 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
714 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
715
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
716 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
717 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
718
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
719
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
720 #endif /* SDL_HAPTIC_LINUX */