annotate src/joystick/linux/SDL_sysjoystick.c @ 871:9cc9e2462d9a

Avoid FPE with Linux 2.6
author Sam Lantinga <slouken@libsdl.org>
date Fri, 05 Mar 2004 15:09:18 +0000
parents b8d311d90021
children e7be95d758e8
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* This is the system specific header for the SDL joystick API */
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29
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30 #include <stdio.h> /* For the definition of NULL */
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31 #include <stdlib.h> /* For getenv() prototype */
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32 #include <string.h>
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33 #include <sys/stat.h>
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34 #include <unistd.h>
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35 #include <fcntl.h>
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36 #include <sys/ioctl.h>
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37 #include <limits.h> /* For the definition of PATH_MAX */
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38 #ifdef __arm__
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39 #include <linux/limits.h> /* Arm cross-compiler needs this */
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40 #endif
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41 #include <linux/joystick.h>
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42 #ifdef USE_INPUT_EVENTS
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43 #include <linux/input.h>
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44 #endif
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45
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46 #include "SDL_error.h"
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47 #include "SDL_joystick.h"
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48 #include "SDL_sysjoystick.h"
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49 #include "SDL_joystick_c.h"
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50
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51 /* Special joystick configurations */
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52 static struct {
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53 const char *name;
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54 int naxes;
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55 int nhats;
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56 int nballs;
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57 } special_joysticks[] = {
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58 { "MadCatz Panther XL", 3, 2, 1 }, /* We don't handle rudder (axis 8) */
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59 { "SideWinder Precision Pro", 4, 1, 0 },
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60 { "SideWinder 3D Pro", 4, 1, 0 },
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61 { "Microsoft SideWinder 3D Pro", 4, 1, 0 },
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62 { "Microsoft SideWinder Dual Strike USB version 1.0", 2, 1, 0 },
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63 { "WingMan Interceptor", 3, 3, 0 },
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64 { "WingMan Extreme Digital 3D", 4, 1, 0 },
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65 { "Microsoft SideWinder Precision 2 Joystick", 4, 1, 0 },
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66 { "Logitech Inc. WingMan Extreme Digital 3D", 4, 1, 0 },
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67 { "Saitek Saitek X45", 6, 1, 0 }
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68 };
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69
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70 /* The maximum number of joysticks we'll detect */
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71 #define MAX_JOYSTICKS 32
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72
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73 /* A list of available joysticks */
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74 static char *SDL_joylist[MAX_JOYSTICKS];
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75
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76 /* The private structure used to keep track of a joystick */
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77 struct joystick_hwdata {
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78 int fd;
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79 /* The current linux joystick driver maps hats to two axes */
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80 struct hwdata_hat {
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81 int axis[2];
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82 } *hats;
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83 /* The current linux joystick driver maps balls to two axes */
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84 struct hwdata_ball {
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85 int axis[2];
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86 } *balls;
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87
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88 /* Support for the Linux 2.4 unified input interface */
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89 #ifdef USE_INPUT_EVENTS
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90 SDL_bool is_hid;
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91 Uint8 key_map[KEY_MAX-BTN_MISC];
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92 Uint8 abs_map[ABS_MAX];
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93 struct axis_correct {
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94 int used;
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95 int coef[3];
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96 } abs_correct[ABS_MAX];
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97 #endif
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98 };
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99
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100 static char *mystrdup(const char *string)
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101 {
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102 char *newstring;
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103
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104 newstring = (char *)malloc(strlen(string)+1);
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105 if ( newstring ) {
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106 strcpy(newstring, string);
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107 }
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108 return(newstring);
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109 }
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110
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111 #ifdef USE_INPUT_EVENTS
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112 #define test_bit(nr, addr) \
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113 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
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114
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115 static int EV_IsJoystick(int fd)
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116 {
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117 unsigned long evbit[40];
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118 unsigned long keybit[40];
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119 unsigned long absbit[40];
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120
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121 if ( (ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
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122 (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
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123 (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0) ) {
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124 return(0);
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125 }
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126 if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) &&
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127 test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit) &&
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128 (test_bit(BTN_TRIGGER, keybit) || test_bit(BTN_A, keybit) || test_bit(BTN_1, keybit)))) return 0;
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129 return(1);
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130 }
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131
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132 #endif /* USE_INPUT_EVENTS */
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133
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134 /* Function to scan the system for joysticks */
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135 int SDL_SYS_JoystickInit(void)
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136 {
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137 /* The base path of the joystick devices */
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138 const char *joydev_pattern[] = {
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139 #ifdef USE_INPUT_EVENTS
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140 "/dev/input/event%d",
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141 #endif
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142 "/dev/input/js%d",
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143 "/dev/js%d"
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144 };
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145 int numjoysticks;
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146 int i, j;
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147 int fd;
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148 char path[PATH_MAX];
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149 dev_t dev_nums[MAX_JOYSTICKS]; /* major/minor device numbers */
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150 struct stat sb;
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151 int n, duplicate;
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152
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153 numjoysticks = 0;
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154
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155 /* First see if the user specified a joystick to use */
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156 if ( getenv("SDL_JOYSTICK_DEVICE") != NULL ) {
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157 strncpy(path, getenv("SDL_JOYSTICK_DEVICE"), sizeof(path));
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158 path[sizeof(path)-1] = '\0';
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159 if ( stat(path, &sb) == 0 ) {
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160 fd = open(path, O_RDONLY, 0);
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161 if ( fd >= 0 ) {
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162 /* Assume the user knows what they're doing. */
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163 SDL_joylist[numjoysticks] = mystrdup(path);
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164 if ( SDL_joylist[numjoysticks] ) {
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165 dev_nums[numjoysticks] = sb.st_rdev;
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166 ++numjoysticks;
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167 }
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168 close(fd);
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169 }
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170 }
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171 }
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172
0
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173 for ( i=0; i<SDL_TABLESIZE(joydev_pattern); ++i ) {
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174 for ( j=0; j < MAX_JOYSTICKS; ++j ) {
0
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175 sprintf(path, joydev_pattern[i], j);
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176
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177 /* rcg06302000 replaced access(F_OK) call with stat().
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178 * stat() will fail if the file doesn't exist, so it's
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179 * equivalent behaviour.
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180 */
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181 if ( stat(path, &sb) == 0 ) {
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182 /* Check to make sure it's not already in list.
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183 * This happens when we see a stick via symlink.
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184 */
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185 duplicate = 0;
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186 for (n=0; (n<numjoysticks) && !duplicate; ++n) {
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187 if ( sb.st_rdev == dev_nums[n] ) {
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188 duplicate = 1;
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189 }
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190 }
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191 if (duplicate) {
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192 continue;
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193 }
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194
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195 fd = open(path, O_RDONLY, 0);
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196 if ( fd < 0 ) {
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197 continue;
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198 }
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199 #ifdef USE_INPUT_EVENTS
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200 #ifdef DEBUG_INPUT_EVENTS
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201 printf("Checking %s\n", path);
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202 #endif
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203 if ( (i == 0) && ! EV_IsJoystick(fd) ) {
0
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204 close(fd);
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205 continue;
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206 }
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207 #endif
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208 close(fd);
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209
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210 /* We're fine, add this joystick */
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211 SDL_joylist[numjoysticks] = mystrdup(path);
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212 if ( SDL_joylist[numjoysticks] ) {
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213 dev_nums[numjoysticks] = sb.st_rdev;
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214 ++numjoysticks;
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215 }
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216 } else
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diff changeset
217 break;
0
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218 }
554
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diff changeset
219
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220 #ifdef USE_INPUT_EVENTS
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parents: 408
diff changeset
221 /* This is a special case...
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parents: 408
diff changeset
222 If the event devices are valid then the joystick devices
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parents: 408
diff changeset
223 will be duplicates but without extra information about their
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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diff changeset
224 hats or balls. Unfortunately, the event devices can't
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diff changeset
225 currently be calibrated, so it's a win-lose situation.
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diff changeset
226 So : /dev/input/eventX = /dev/input/jsY = /dev/jsY
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diff changeset
227 */
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diff changeset
228 if ( (i == 0) && (numjoysticks > 0) )
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diff changeset
229 break;
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diff changeset
230 #endif
0
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231 }
554
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232
0
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233 return(numjoysticks);
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234 }
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235
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236 /* Function to get the device-dependent name of a joystick */
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diff changeset
237 const char *SDL_SYS_JoystickName(int index)
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238 {
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239 int fd;
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240 static char namebuf[128];
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241 char *name;
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242
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243 name = NULL;
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244 fd = open(SDL_joylist[index], O_RDONLY, 0);
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245 if ( fd >= 0 ) {
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parents:
diff changeset
246 if (
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247 #ifdef USE_INPUT_EVENTS
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248 (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) &&
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249 #endif
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250 (ioctl(fd, JSIOCGNAME(sizeof(namebuf)), namebuf) <= 0) ) {
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251 name = SDL_joylist[index];
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diff changeset
252 } else {
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diff changeset
253 name = namebuf;
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diff changeset
254 }
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255 close(fd);
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diff changeset
256 }
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diff changeset
257 return name;
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diff changeset
258 }
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diff changeset
259
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diff changeset
260 static int allocate_hatdata(SDL_Joystick *joystick)
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parents:
diff changeset
261 {
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diff changeset
262 int i;
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diff changeset
263
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diff changeset
264 joystick->hwdata->hats = (struct hwdata_hat *)malloc(
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diff changeset
265 joystick->nhats * sizeof(struct hwdata_hat));
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parents:
diff changeset
266 if ( joystick->hwdata->hats == NULL ) {
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diff changeset
267 return(-1);
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parents:
diff changeset
268 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 for ( i=0; i<joystick->nhats; ++i ) {
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diff changeset
270 joystick->hwdata->hats[i].axis[0] = 1;
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parents:
diff changeset
271 joystick->hwdata->hats[i].axis[1] = 1;
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parents:
diff changeset
272 }
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diff changeset
273 return(0);
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parents:
diff changeset
274 }
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parents:
diff changeset
275
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diff changeset
276 static int allocate_balldata(SDL_Joystick *joystick)
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parents:
diff changeset
277 {
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diff changeset
278 int i;
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diff changeset
279
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diff changeset
280 joystick->hwdata->balls = (struct hwdata_ball *)malloc(
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diff changeset
281 joystick->nballs * sizeof(struct hwdata_ball));
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parents:
diff changeset
282 if ( joystick->hwdata->balls == NULL ) {
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parents:
diff changeset
283 return(-1);
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parents:
diff changeset
284 }
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parents:
diff changeset
285 for ( i=0; i<joystick->nballs; ++i ) {
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parents:
diff changeset
286 joystick->hwdata->balls[i].axis[0] = 0;
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parents:
diff changeset
287 joystick->hwdata->balls[i].axis[1] = 0;
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parents:
diff changeset
288 }
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diff changeset
289 return(0);
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parents:
diff changeset
290 }
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parents:
diff changeset
291
554
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diff changeset
292 static SDL_bool JS_ConfigJoystick(SDL_Joystick *joystick, int fd)
0
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diff changeset
293 {
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diff changeset
294 SDL_bool handled;
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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diff changeset
295 unsigned char n;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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diff changeset
296 int old_axes, tmp_naxes, tmp_nhats, tmp_nballs;
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parents: 408
diff changeset
297 const char *name;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
298 char *env, env_name[128];
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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diff changeset
299 int i;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
300
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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diff changeset
301 handled = SDL_FALSE;
0
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parents:
diff changeset
302
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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diff changeset
303 /* Default joystick device settings */
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
304 if ( ioctl(fd, JSIOCGAXES, &n) < 0 ) {
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parents: 408
diff changeset
305 joystick->naxes = 2;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
306 } else {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
307 joystick->naxes = n;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
308 }
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
309 if ( ioctl(fd, JSIOCGBUTTONS, &n) < 0 ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
310 joystick->nbuttons = 2;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
311 } else {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
312 joystick->nbuttons = n;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
313 }
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
314
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
315 name = SDL_SYS_JoystickName(joystick->index);
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
316 old_axes = joystick->naxes;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
317
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
318 /* Generic analog joystick support */
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
319 if ( strstr(name, "Analog") == name && strstr(name, "-hat") ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
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parents: 408
diff changeset
320 if ( sscanf(name,"Analog %d-axis %*d-button %d-hat",
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
321 &tmp_naxes, &tmp_nhats) == 2 ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
322
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
323 joystick->naxes = tmp_naxes;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
324 joystick->nhats = tmp_nhats;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
325
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
326 handled = SDL_TRUE;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
327 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
329
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
330 /* Special joystick support */
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
331 for ( i=0; i < SDL_TABLESIZE(special_joysticks); ++i ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
332 if ( strcmp(name, special_joysticks[i].name) == 0 ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
333
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
334 joystick->naxes = special_joysticks[i].naxes;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
335 joystick->nhats = special_joysticks[i].nhats;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
336 joystick->nballs = special_joysticks[i].nballs;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
337
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
338 handled = SDL_TRUE;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
339 break;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
340 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341 }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
342
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
343 /* User environment joystick support */
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
344 if ( (env = getenv("SDL_LINUX_JOYSTICK")) ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
345 strcpy(env_name, "");
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
346 if ( *env == '\'' && sscanf(env, "'%[^']s'", env_name) == 1 )
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
347 env += strlen(env_name)+2;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
348 else if ( sscanf(env, "%s", env_name) == 1 )
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
349 env += strlen(env_name);
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
350
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
351 if ( strcmp(name, env_name) == 0 ) {
0
74212992fb08 Initial revision
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parents:
diff changeset
352
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
353 if ( sscanf(env, "%d %d %d", &tmp_naxes, &tmp_nhats,
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
354 &tmp_nballs) == 3 ) {
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
355
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
356 joystick->naxes = tmp_naxes;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
357 joystick->nhats = tmp_nhats;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
358 joystick->nballs = tmp_nballs;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
359
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
360 handled = SDL_TRUE;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
361 }
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
362 }
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
363 }
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
364
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
365 /* Remap hats and balls */
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
366 if (handled) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 if ( joystick->nhats > 0 ) {
589
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
368 if ( allocate_hatdata(joystick) < 0 ) {
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
369 joystick->nhats = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 if ( joystick->nballs > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 if ( allocate_balldata(joystick) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 joystick->nballs = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
378
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379 return(handled);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 #ifdef USE_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 static SDL_bool EV_ConfigJoystick(SDL_Joystick *joystick, int fd)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 {
871
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
386 int i, t;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 unsigned long keybit[40];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 unsigned long absbit[40];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 unsigned long relbit[40];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 /* See if this device uses the new unified event API */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 if ( (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) >= 0) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) >= 0) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit) >= 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 joystick->hwdata->is_hid = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397 /* Get the number of buttons, axes, and other thingamajigs */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 for ( i=BTN_JOYSTICK; i < KEY_MAX; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 if ( test_bit(i, keybit) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 #ifdef DEBUG_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 printf("Joystick has button: 0x%x\n", i);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 joystick->hwdata->key_map[i-BTN_MISC] =
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 joystick->nbuttons;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 ++joystick->nbuttons;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 for ( i=BTN_MISC; i < BTN_JOYSTICK; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 if ( test_bit(i, keybit) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 #ifdef DEBUG_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 printf("Joystick has button: 0x%x\n", i);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 joystick->hwdata->key_map[i-BTN_MISC] =
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 joystick->nbuttons;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 ++joystick->nbuttons;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 for ( i=0; i<ABS_MAX; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 /* Skip hats */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420 if ( i == ABS_HAT0X ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 i = ABS_HAT3Y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 continue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 if ( test_bit(i, absbit) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 int values[5];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 ioctl(fd, EVIOCGABS(i), values);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 #ifdef DEBUG_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 printf("Joystick has absolute axis: %x\n", i);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 printf("Values = { %d, %d, %d, %d, %d }\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 values[0], values[1],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 values[2], values[3], values[4]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433 #endif /* DEBUG_INPUT_EVENTS */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 joystick->hwdata->abs_map[i] = joystick->naxes;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 if ( values[1] == values[2] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 joystick->hwdata->abs_correct[i].used = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 joystick->hwdata->abs_correct[i].used = 1;
871
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
439 t = (2 - values[4]);
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
440 if ( t != 0 ) {
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
441 joystick->hwdata->abs_correct[i].coef[0] = (values[2] + values[1]) / t;
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
442 }
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
443 t = (2 + values[4]);
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
444 if ( t != 0 ) {
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
445 joystick->hwdata->abs_correct[i].coef[1] = (values[2] + values[1]) / t;
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
446 }
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
447 t = ((values[2] - values[1]) / 2 - 2 * values[4]);
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
448 if ( t != 0 ) {
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
449 joystick->hwdata->abs_correct[i].coef[2] = (1 << 29) / t;
9cc9e2462d9a Avoid FPE with Linux 2.6
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
450 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 ++joystick->naxes;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 for ( i=ABS_HAT0X; i <= ABS_HAT3Y; i += 2 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 if ( test_bit(i, absbit) || test_bit(i+1, absbit) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 #ifdef DEBUG_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 printf("Joystick has hat %d\n",(i-ABS_HAT0X)/2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460 ++joystick->nhats;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 if ( test_bit(REL_X, relbit) || test_bit(REL_Y, relbit) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 ++joystick->nballs;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 /* Allocate data to keep track of these thingamajigs */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 if ( joystick->nhats > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469 if ( allocate_hatdata(joystick) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 joystick->nhats = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 if ( joystick->nballs > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 if ( allocate_balldata(joystick) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 joystick->nballs = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 return(joystick->hwdata->is_hid);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 #endif /* USE_INPUT_EVENTS */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 /* Function to open a joystick for use.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 The joystick to open is specified by the index field of the joystick.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 This should fill the nbuttons and naxes fields of the joystick structure.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 It returns 0, or -1 if there is an error.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 int fd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493 /* Open the joystick and set the joystick file descriptor */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 fd = open(SDL_joylist[joystick->index], O_RDONLY, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 if ( fd < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 SDL_SetError("Unable to open %s\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
497 SDL_joylist[joystick->index]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 joystick->hwdata = (struct joystick_hwdata *)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 malloc(sizeof(*joystick->hwdata));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 if ( joystick->hwdata == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 close(fd);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 joystick->hwdata->fd = fd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 /* Set the joystick to non-blocking read mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 fcntl(fd, F_SETFL, O_NONBLOCK);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 /* Get the number of buttons and axes on the joystick */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 #ifdef USE_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 if ( ! EV_ConfigJoystick(joystick, fd) )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516 #endif
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
517 JS_ConfigJoystick(joystick, fd);
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
518
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 static __inline__
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 void HandleHat(SDL_Joystick *stick, Uint8 hat, int axis, int value)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 struct hwdata_hat *the_hat;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 const Uint8 position_map[3][3] = {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 { SDL_HAT_LEFTUP, SDL_HAT_UP, SDL_HAT_RIGHTUP },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528 { SDL_HAT_LEFT, SDL_HAT_CENTERED, SDL_HAT_RIGHT },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 { SDL_HAT_LEFTDOWN, SDL_HAT_DOWN, SDL_HAT_RIGHTDOWN }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 the_hat = &stick->hwdata->hats[hat];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 if ( value < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534 value = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 if ( value == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 value = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 if ( value > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 value = 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 if ( value != the_hat->axis[axis] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543 the_hat->axis[axis] = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 SDL_PrivateJoystickHat(stick, hat,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 position_map[the_hat->axis[1]][the_hat->axis[0]]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 static __inline__
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 void HandleBall(SDL_Joystick *stick, Uint8 ball, int axis, int value)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 stick->hwdata->balls[ball].axis[axis] += value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 /* Function to update the state of a joystick - called as a device poll.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 * This function shouldn't update the joystick structure directly,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557 * but instead should call SDL_PrivateJoystick*() to deliver events
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
558 * and update joystick device state.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
560 static __inline__ void JS_HandleEvents(SDL_Joystick *joystick)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562 struct js_event events[32];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563 int i, len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 Uint8 other_axis;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 while ((len=read(joystick->hwdata->fd, events, (sizeof events))) > 0) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 len /= sizeof(events[0]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 for ( i=0; i<len; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
569 switch (events[i].type & ~JS_EVENT_INIT) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 case JS_EVENT_AXIS:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 if ( events[i].number < joystick->naxes ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 SDL_PrivateJoystickAxis(joystick,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 events[i].number, events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576 events[i].number -= joystick->naxes;
589
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
577 other_axis = (events[i].number / 2);
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
578 if ( other_axis < joystick->nhats ) {
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
579 HandleHat(joystick, other_axis,
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
580 events[i].number%2,
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
581 events[i].value);
2e58ece48b61 Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
parents: 554
diff changeset
582 break;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584 events[i].number -= joystick->nhats*2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 other_axis = (events[i].number / 2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
586 if ( other_axis < joystick->nballs ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 HandleBall(joystick, other_axis,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 events[i].number%2,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
592 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
593 case JS_EVENT_BUTTON:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
594 SDL_PrivateJoystickButton(joystick,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
595 events[i].number, events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
596 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
597 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
598 /* ?? */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
600 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
601 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
602 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
603 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
604 #ifdef USE_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
605 static __inline__ int EV_AxisCorrect(SDL_Joystick *joystick, int which, int value)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
607 struct axis_correct *correct;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
608
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
609 correct = &joystick->hwdata->abs_correct[which];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
610 if ( correct->used ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
611 if ( value > correct->coef[0] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
612 if ( value < correct->coef[1] ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
613 return 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
614 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
615 value -= correct->coef[1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
616 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
617 value -= correct->coef[0];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
618 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
619 value *= correct->coef[2];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
620 value >>= 14;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
621 }
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
622
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
623 /* Clamp and return */
554
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
624 if ( value < -32767 ) return -32767;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
625 if ( value > 32767 ) return 32767;
38b1a98aeb11 Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
parents: 408
diff changeset
626
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
627 return value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
628 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
629
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
630 static __inline__ void EV_HandleEvents(SDL_Joystick *joystick)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
631 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
632 struct input_event events[32];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
633 int i, len;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
634 int code;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
635
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
636 while ((len=read(joystick->hwdata->fd, events, (sizeof events))) > 0) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
637 len /= sizeof(events[0]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
638 for ( i=0; i<len; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
639 code = events[i].code;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
640 switch (events[i].type) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
641 case EV_KEY:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
642 if ( code >= BTN_MISC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
643 code -= BTN_MISC;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
644 SDL_PrivateJoystickButton(joystick,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
645 joystick->hwdata->key_map[code],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
646 events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
647 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
648 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
649 case EV_ABS:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
650 switch (code) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
651 case ABS_HAT0X:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
652 case ABS_HAT0Y:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
653 case ABS_HAT1X:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
654 case ABS_HAT1Y:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
655 case ABS_HAT2X:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
656 case ABS_HAT2Y:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
657 case ABS_HAT3X:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
658 case ABS_HAT3Y:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
659 code -= ABS_HAT0X;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
660 HandleHat(joystick, code/2, code%2,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
661 events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 events[i].value = EV_AxisCorrect(joystick, code, events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
665 SDL_PrivateJoystickAxis(joystick,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
666 joystick->hwdata->abs_map[code],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
667 events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
668 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
669 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
670 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
671 case EV_REL:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
672 switch (code) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
673 case REL_X:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
674 case REL_Y:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675 code -= REL_X;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
676 HandleBall(joystick, code/2, code%2,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
677 events[i].value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
678 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
679 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
680 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
682 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
683 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
686 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
687 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
688 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
689 #endif /* USE_INPUT_EVENTS */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
690
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
691 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
692 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
693 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
694
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
695 #ifdef USE_INPUT_EVENTS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696 if ( joystick->hwdata->is_hid )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 EV_HandleEvents(joystick);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
698 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
699 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700 JS_HandleEvents(joystick);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702 /* Deliver ball motion updates */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 for ( i=0; i<joystick->nballs; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 int xrel, yrel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
706 xrel = joystick->hwdata->balls[i].axis[0];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707 yrel = joystick->hwdata->balls[i].axis[1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708 if ( xrel || yrel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 joystick->hwdata->balls[i].axis[0] = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
710 joystick->hwdata->balls[i].axis[1] = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
711 SDL_PrivateJoystickBall(joystick, (Uint8)i, xrel, yrel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
712 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
713 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
714 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
715
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 /* Function to close a joystick after use */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 if ( joystick->hwdata ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 close(joystick->hwdata->fd);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 if ( joystick->hwdata->hats ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 free(joystick->hwdata->hats);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 if ( joystick->hwdata->balls ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
725 free(joystick->hwdata->balls);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
726 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727 free(joystick->hwdata);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 joystick->hwdata = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
731
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732 /* Function to perform any system-specific joystick related cleanup */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 void SDL_SYS_JoystickQuit(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737 for ( i=0; SDL_joylist[i]; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
738 free(SDL_joylist[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
739 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
740 SDL_joylist[0] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
741 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
742