annotate src/haptic/linux/SDL_syshaptic.c @ 2518:07a5b225b9c9 gsoc2008_force_feedback

* Removed unneeded int.
author Edgar Simo <bobbens@gmail.com>
date Tue, 15 Jul 2008 11:24:25 +0000
parents 37c13c12c878
children af9df9662807
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 <limits.h> /* INT_MAX */
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40 #include <string.h>
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41 #include <errno.h>
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42 #include <math.h>
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43
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44 #ifndef M_PI
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45 # define M_PI 3.14159265358979323846
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46 #endif
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47
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48
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49 #define MAX_HAPTICS 32
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50
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51
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52 /*
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53 * List of available haptic devices.
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54 */
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55 static struct
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56 {
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57 char *fname;
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58 SDL_Haptic *haptic;
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59 } SDL_hapticlist[MAX_HAPTICS];
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60
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61
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62 /*
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63 * Haptic system hardware data.
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64 */
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65 struct haptic_hwdata
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66 {
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67 int fd;
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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 * Haptic system effect data.
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73 */
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74 struct haptic_hweffect
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75 {
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76 struct ff_effect effect; /* The linux kernel effect structure. */
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77 };
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78
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79
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80
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81 #define test_bit(nr, addr) \
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82 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
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83 #define EV_TEST(ev,f) \
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84 if (test_bit((ev), features)) ret |= (f);
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85 /*
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86 * Test whether a device has haptic properties.
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87 * Returns available properties or 0 if there are none.
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88 */
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89 static int
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90 EV_IsHaptic(int fd)
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91 {
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92 unsigned int ret;
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93 unsigned long features[1 + FF_MAX/sizeof(unsigned long)];
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94
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95 /* Ask device for what it has. */
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96 ret = 0;
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97 if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(features)), features) < 0) {
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98 SDL_SetError("Haptic: Unable to get device's features: %s", strerror(errno));
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99 return -1;
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100 }
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101
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102 /* Convert supported features to SDL_HAPTIC platform-neutral features. */
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103 EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT);
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104 EV_TEST(FF_PERIODIC, SDL_HAPTIC_SINE |
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105 SDL_HAPTIC_SQUARE |
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106 SDL_HAPTIC_TRIANGLE |
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107 SDL_HAPTIC_SAWTOOTHUP |
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108 SDL_HAPTIC_SAWTOOTHDOWN);
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109 EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP);
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110 EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING);
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111 EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION);
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112 EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER);
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113 EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA);
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114 EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM);
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115 EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN);
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116 EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
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117
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118 /* Return what it supports. */
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119 return ret;
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120 }
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121
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122
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123 /*
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124 * Tests whether a device is a mouse or not.
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125 */
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126 static int
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127 EV_IsMouse(int fd)
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128 {
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129 unsigned long argp[40];
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130
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131 /* Ask for supported features. */
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132 if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) {
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133 return -1;
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134 }
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135
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136 /* Currently we only test for BTN_MOUSE which can give fake positives. */
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137 if (test_bit(BTN_MOUSE,argp) != 0) {
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138 return 1;
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139 }
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140
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141 return 0;
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142 }
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143
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144 /*
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145 * Initializes the haptic subsystem by finding available devices.
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146 */
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147 int
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148 SDL_SYS_HapticInit(void)
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149 {
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150 const char joydev_pattern[] = "/dev/input/event%d";
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151 dev_t dev_nums[MAX_HAPTICS];
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152 char path[PATH_MAX];
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153 struct stat sb;
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154 int fd;
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155 int i, j, k;
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156 int duplicate;
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157 int numhaptics;
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158
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159 numhaptics = 0;
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160
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161 /*
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162 * Limit amount of checks to MAX_HAPTICS since we may or may not have
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163 * permission to some or all devices.
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164 */
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165 i = 0;
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166 for (j = 0; j < MAX_HAPTICS; ++j) {
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167
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168 snprintf(path, PATH_MAX, joydev_pattern, i++);
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169
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170 /* check to see if file exists */
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171 if (stat(path,&sb) != 0)
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172 break;
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173
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174 /* check for duplicates */
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175 duplicate = 0;
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176 for (k = 0; (k < numhaptics) && !duplicate; ++k) {
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177 if (sb.st_rdev == dev_nums[k]) {
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178 duplicate = 1;
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179 }
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180 }
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181 if (duplicate) {
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182 continue;
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183 }
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184
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185 /* try to open */
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186 fd = open(path, O_RDWR, 0);
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187 if (fd < 0) continue;
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188
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189 #ifdef DEBUG_INPUT_EVENTS
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190 printf("Checking %s\n", path);
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191 #endif
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192
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193 /* see if it works */
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194 if (EV_IsHaptic(fd) > 0) {
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195 SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
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196 SDL_hapticlist[numhaptics].haptic = NULL;
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197 dev_nums[numhaptics] = sb.st_rdev;
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198 ++numhaptics;
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199 }
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200 close(fd);
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201 }
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202
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203 return numhaptics;
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204 }
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205
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206
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4b874e3a3a2c Some code cleanup.
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207 /*
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208 * Return the name of a haptic device, does not need to be opened.
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209 */
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210 const char *
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211 SDL_SYS_HapticName(int index)
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212 {
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213 int fd;
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214 static char namebuf[128];
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215 char *name;
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216
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ef147ee4896c Improved some ioctl handling.
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217 /* Open the haptic device. */
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218 name = NULL;
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219 fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
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ef147ee4896c Improved some ioctl handling.
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220
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221 if (fd >= 0) {
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ef147ee4896c Improved some ioctl handling.
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parents: 2511
diff changeset
222
ef147ee4896c Improved some ioctl handling.
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diff changeset
223 /* Check for name ioctl. */
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diff changeset
224 if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
2512
ef147ee4896c Improved some ioctl handling.
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225
ef147ee4896c Improved some ioctl handling.
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parents: 2511
diff changeset
226 /* No name found, return device character device */
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227 name = SDL_hapticlist[index].fname;
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parents:
diff changeset
228 }
2512
ef147ee4896c Improved some ioctl handling.
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229 /* Name found, return name. */
2472
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230 else {
3f73c88c9abb First commit of the SDL_haptic subsystem.
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231 name = namebuf;
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232 }
3f73c88c9abb First commit of the SDL_haptic subsystem.
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233 }
3f73c88c9abb First commit of the SDL_haptic subsystem.
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234 close(fd);
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235
3f73c88c9abb First commit of the SDL_haptic subsystem.
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diff changeset
236 return name;
3f73c88c9abb First commit of the SDL_haptic subsystem.
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diff changeset
237 }
3f73c88c9abb First commit of the SDL_haptic subsystem.
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238
3f73c88c9abb First commit of the SDL_haptic subsystem.
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239
2475
4b874e3a3a2c Some code cleanup.
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diff changeset
240 /*
2490
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parents: 2489
diff changeset
241 * Opens the haptic device from the file descriptor.
2475
4b874e3a3a2c Some code cleanup.
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parents: 2474
diff changeset
242 */
2490
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diff changeset
243 static int
be9b206d44af Some more error checking.
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diff changeset
244 SDL_SYS_HapticOpenFromFD(SDL_Haptic * haptic, int fd)
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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245 {
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
246 /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices.
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parents: 2475
diff changeset
247 haptic->hwdata = (struct haptic_hwdata *)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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248 SDL_malloc(sizeof(*haptic->hwdata));
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
249 if (haptic->hwdata == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
250 SDL_OutOfMemory();
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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251 goto open_err;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
252 }
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
253 SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2512
ef147ee4896c Improved some ioctl handling.
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diff changeset
254
2478
4fd783e0f34b Added query functions for haptic devices.
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diff changeset
255 /* Set the data */
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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diff changeset
256 haptic->hwdata->fd = fd;
2478
4fd783e0f34b Added query functions for haptic devices.
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diff changeset
257 haptic->supported = EV_IsHaptic(fd);
2472
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diff changeset
258
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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diff changeset
259 /* Set the effects */
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parents: 2476
diff changeset
260 if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
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parents: 2512
diff changeset
261 SDL_SetError("Haptic: Unable to query device memory: %s", strerror(errno));
2477
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diff changeset
262 goto open_err;
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parents: 2476
diff changeset
263 }
2515
030fc4375e63 Added SDL_HapticNumEffectsPlaying().
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parents: 2513
diff changeset
264 haptic->nplaying = haptic->neffects; /* Linux makes no distinction. */
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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diff changeset
265 haptic->effects = (struct haptic_effect *)
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
266 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
267 if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
268 SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
269 goto open_err;
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parents: 2476
diff changeset
270 }
2483
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
271 /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
272 SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
273 sizeof(struct haptic_effect) * haptic->neffects);
2477
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parents: 2476
diff changeset
274
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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275 return 0;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
276
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
277 /* Error handling */
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parents: 2476
diff changeset
278 open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
279 close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
280 if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
281 free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
282 haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
283 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
284 return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
285 }
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
286
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
287
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
288 /*
2490
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
289 * Opens a haptic device for usage.
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
290 */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
291 int
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
292 SDL_SYS_HapticOpen(SDL_Haptic * haptic)
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
293 {
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
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
296 /* Open the character device */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
297 fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
298 if (fd < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
299 SDL_SetError("Haptic: Unable to open %s: %s",
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
300 SDL_hapticlist[haptic->index], strerror(errno));
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
301 return -1;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
302 }
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
303
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
304 return SDL_SYS_HapticOpenFromFD(haptic,fd);
2512
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
305 }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
306
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
307
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
308 /*
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
309 * Opens a haptic device from first mouse it finds for usage.
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
310 */
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
311 int
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
312 SDL_SYS_HapticMouse(void)
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
313 {
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
314 int fd;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
315 int i;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
316
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
317 for (i=0; i<SDL_numhaptics; i++) {
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
318
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
319 /* Open the device. */
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
320 fd = open(SDL_hapticlist[i].fname, O_RDWR, 0);
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
321 if (fd < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
322 SDL_SetError("Haptic: Unable to open %s: %s",
2512
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
323 SDL_hapticlist[i], strerror(errno));
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
324 return -1;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
325 }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
326
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
327 if (EV_IsMouse(fd)) {
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
328 close(fd);
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
329 return i;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
330 }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
331
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
332 close(fd);
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
333 }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
334
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
335 return -1;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
336 }
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
337
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
338
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
339 /*
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
340 * 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
341 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
342 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
343 SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
344 {
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
345 return EV_IsHaptic(joystick->hwdata->fd);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
346 }
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
347
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
348
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
349 /*
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
350 * 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
351 */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
352 int
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
353 SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
354 {
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
355 if (SDL_strcmp(joystick->name,haptic->name)==0) {
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
356 return 1;
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
357 }
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
358 return 0;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
359 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
360
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
361
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
362 /*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
363 * 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
364 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
365 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
366 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
367 {
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
368 int fd;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
369 fd = open(joystick->hwdata->fname, O_RDWR, 0);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
370 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
diff changeset
371 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
372
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
373
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
374 /*
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
375 * Closes the haptic device.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
376 */
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
377 void
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
378 SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
379 {
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
380 if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
381
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
382 /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
383 close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
384
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
385 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
386 SDL_free(haptic->hwdata);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
387 haptic->hwdata = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
388 SDL_free(haptic->effects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
389 haptic->neffects = 0;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
390 }
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
391 }
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
392
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
393
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
394 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
395 * 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
396 */
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
397 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
398 SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
399 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
400 int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
401
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
402 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
403 SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
404 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
405 SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
406 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
407
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
408 /*
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
409 * Returns the ff_effect usable direction from a SDL_HapticDirection.
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
410 */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
411 static Uint16
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
412 SDL_SYS_ToDirection( SDL_HapticDirection * dir )
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
413 {
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
414 Uint32 tmp;
2511
f12ae0bae468 Fixed bugs in documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2510
diff changeset
415 float f; /* Ideally we'd use fixed point math instead of floats... */
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
416
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
417 switch (dir->type) {
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
418 case SDL_HAPTIC_POLAR:
2502
5356ca0c36a3 Fixed linux directions being inverted.
Edgar Simo <bobbens@gmail.com>
parents: 2500
diff changeset
419 /* Linux directions are inverted. */
5356ca0c36a3 Fixed linux directions being inverted.
Edgar Simo <bobbens@gmail.com>
parents: 2500
diff changeset
420 tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
421 return (Uint16) tmp;
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
422 case SDL_HAPTIC_CARTESIAN:
2511
f12ae0bae468 Fixed bugs in documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2510
diff changeset
423 /* We must invert "x" and "y" to go clockwise. */
2510
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
424 f = atan2(dir->dir[0], dir->dir[1]);
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
425 tmp = (int)(f*18000./M_PI) % 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
426 tmp = (tmp * 0xFFFF) / 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
427 return (Uint16) tmp;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
428
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
429 default:
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
430 return -1;
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
431 }
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
432
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
433 return 0;
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
434 }
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
435
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
436 #define CLAMP(x) (((x) > 32767) ? 32767 : x)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
437 /*
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
438 * Initializes the linux effect struct from a haptic_effect.
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
439 * 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
440 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
441 static int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
442 SDL_SYS_ToFFEffect( struct ff_effect * dest, SDL_HapticEffect * src )
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
443 {
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
444 SDL_HapticConstant *constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
445 SDL_HapticPeriodic *periodic;
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
446 SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
447 SDL_HapticRamp *ramp;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
448
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
449 /* Clear up */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
450 SDL_memset(dest, 0, sizeof(struct ff_effect));
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
451
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
452 switch (src->type) {
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
453 case SDL_HAPTIC_CONSTANT:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
454 constant = &src->constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
455
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
456 /* Header */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
457 dest->type = FF_CONSTANT;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
458 dest->direction = SDL_SYS_ToDirection(&constant->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
459
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
460 /* Replay */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
461 dest->replay.length = CLAMP(constant->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
462 dest->replay.delay = CLAMP(constant->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
463
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
464 /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
465 dest->trigger.button = CLAMP(constant->button);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
466 dest->trigger.interval = CLAMP(constant->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
467
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
468 /* Constant */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
469 dest->u.constant.level = constant->level;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
470
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
471 /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
472 dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
473 dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
474 dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
475 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
476
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
477 break;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
478
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
479 case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
480 case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
481 case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
482 case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
483 case SDL_HAPTIC_SAWTOOTHDOWN:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
484 periodic = &src->periodic;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
485
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
486 /* Header */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
487 dest->type = FF_PERIODIC;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
488 dest->direction = SDL_SYS_ToDirection(&periodic->direction);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
489
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
490 /* Replay */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
491 dest->replay.length = CLAMP(periodic->length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
492 dest->replay.delay = CLAMP(periodic->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
493
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
494 /* Trigger */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
495 dest->trigger.button = CLAMP(periodic->button);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
496 dest->trigger.interval = CLAMP(periodic->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
497
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
498 /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
499 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
500 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
501 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
502 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
503 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
504 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
505 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
506 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
507 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
508 dest->u.periodic.waveform = FF_SAW_DOWN;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
509 dest->u.periodic.period = CLAMP(periodic->period);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
510 dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
511 dest->u.periodic.offset = periodic->offset;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
512 dest->u.periodic.phase = CLAMP(periodic->phase);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
513
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
514 /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
515 dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
516 dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
517 dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
518 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
519
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
520 break;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
521
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
522 case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
523 case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
524 case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
525 case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
526 condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
527
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
528 /* Header */
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
529 if (condition->type == SDL_HAPTIC_SPRING)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
530 dest->type = FF_SPRING;
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
531 else if (condition->type == SDL_HAPTIC_DAMPER)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
532 dest->type = FF_DAMPER;
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
533 else if (condition->type == SDL_HAPTIC_INERTIA)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
534 dest->type = FF_INERTIA;
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
535 else if (condition->type == SDL_HAPTIC_FRICTION)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
536 dest->type = FF_FRICTION;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
537 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
538
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
539 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
540 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
541 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
542
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
543 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
544 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
545 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
546
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
547 /* Condition */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
548 /* X axis */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
549 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
550 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
551 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
552 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
553 dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
554 dest->u.condition[0].center = condition->center[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
555 /* Y axis */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
556 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
557 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
558 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
559 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
560 dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
561 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
562
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
563 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
564
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
565 case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
566 ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
567
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
568 /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
569 dest->type = FF_RAMP;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
570 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
571
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
572 /* Replay */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
573 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
574 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
575
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
576 /* Trigger */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
577 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
578 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
579
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
580 /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
581 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
582 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
583
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
584 /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
585 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
586 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
587 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
588 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
589
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
590 break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
591
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
592
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
593 default:
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
594 SDL_SetError("Haptic: Unknown effect type.");
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
595 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
596 }
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 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
599 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
600
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
601
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
602 /*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
603 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
604 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
605 int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
606 SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
607 SDL_HapticEffect * base)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
608 {
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
609 struct ff_effect * linux_effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
610
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
611 /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
612 effect->hweffect = (struct haptic_hweffect *)
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
613 SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
614 if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
615 SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
616 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
617 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
618
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
619 /* Prepare the ff_effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
620 linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
621 if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
622 goto new_effect_err;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
623 }
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
624 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
625
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
626 /* Upload the effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
627 if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
628 SDL_SetError("Haptic: Error uploading effect to the device: %s", strerror(errno));
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
629 goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
630 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
631
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
632 return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
633
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
634 new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
635 free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
636 effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
637 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
638 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
639
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
640
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
641 /*
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
642 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
643 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
644 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
645 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
646 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
647 int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
648 struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
649 {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
650 struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
651
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
652 /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
653 if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
654 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
655 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
656 linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
657
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
658 /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
659 if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
660 SDL_SetError("Haptic: Error updating the effect: %s", strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
661 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
662 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
663
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
664 /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
665 SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
666
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
667 return effect->hweffect->effect.id;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
668 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
669
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
670
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
671 /*
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
672 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
673 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
674 int
2517
37c13c12c878 Broke API by introducing iterations to SDL_HapticRunEffects().
Edgar Simo <bobbens@gmail.com>
parents: 2515
diff changeset
675 SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect * effect, int iterations)
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
676 {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
677 struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
678
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
679 /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
680 run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
681 run.code = effect->hweffect->effect.id;
2517
37c13c12c878 Broke API by introducing iterations to SDL_HapticRunEffects().
Edgar Simo <bobbens@gmail.com>
parents: 2515
diff changeset
682 if (iterations == SDL_HAPTIC_INFINITY)
37c13c12c878 Broke API by introducing iterations to SDL_HapticRunEffects().
Edgar Simo <bobbens@gmail.com>
parents: 2515
diff changeset
683 run.value = INT_MAX;
37c13c12c878 Broke API by introducing iterations to SDL_HapticRunEffects().
Edgar Simo <bobbens@gmail.com>
parents: 2515
diff changeset
684 else
37c13c12c878 Broke API by introducing iterations to SDL_HapticRunEffects().
Edgar Simo <bobbens@gmail.com>
parents: 2515
diff changeset
685 run.value = iterations;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
686
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
687 if (write(haptic->hwdata->fd, (const void*) &run, sizeof(run)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
688 SDL_SetError("Haptic: Unable to run the effect: %s", strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
689 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
690 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
691
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
692 return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
693 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
694
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
695
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
696 /*
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
697 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
698 */
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
699 int
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
700 SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
701 {
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
702 struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
703
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
704 stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
705 stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
706 stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
707
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
708 if (write(haptic->hwdata->fd, (const void*) &stop, sizeof(stop)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
709 SDL_SetError("Haptic: Unable to stop the effect: %s", strerror(errno));
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
710 return -1;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
711 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
712
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
713 return 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
714 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
715
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
716
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
717 /*
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
718 * Frees the effect.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
719 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
720 void
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
721 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
722 {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
723 if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
724 SDL_SetError("Haptic: Error removing the effect from the device: %s",
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
725 strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
726 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
727 SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
728 effect->hweffect = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
729 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
730
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
731
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
732 /*
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
733 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
734 */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
735 int
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
736 SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect * effect)
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
737 {
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
738 #if 0 /* Not supported atm. */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
739 struct input_event ie;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
740
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
741 ie.type = EV_FF;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
742 ie.type = EV_FF_STATUS;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
743 ie.code = effect->hweffect->effect.id;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
744
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
745 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
746 SDL_SetError("Haptic: Error getting device status.");
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
747 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
748 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
749
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
750 return 0;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
751 #endif
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
752
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
753 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
754 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
755
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
756
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
757 /*
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
758 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
759 */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
760 int
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
761 SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
762 {
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
763 struct input_event ie;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
764
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
765 ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
766 ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
767 ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
768
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
769 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
770 SDL_SetError("Haptic: 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
771 return -1;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
772 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
773
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
774 return 0;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
775 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
776
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
777
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
778 /*
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
779 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
780 */
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
781 int
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
782 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
783 {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
784 struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
785
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
786 ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
787 ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
788 ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
789
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
790 if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
791 SDL_SetError("Haptic: 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
792 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
793 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
794
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
795 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
796 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
797
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
798
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
799 #endif /* SDL_HAPTIC_LINUX */