Mercurial > sdl-ios-xcode
annotate src/joystick/nds/SDL_sysjoystick.c @ 5255:f908e06b3c96
Fixed compiling on Windows
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 11 Feb 2011 10:13:30 -0800 |
parents | bb2e32f5a556 |
children | b530ef003506 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
3697 | 3 Copyright (C) 1997-2010 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
3697 | 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 |
3697 | 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 |
3697 | 13 Lesser General Public License for more details. |
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14 |
3697 | 15 You should have received a copy of the GNU Lesser General Public |
16 License along with this library; if not, write to the Free Software | |
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 |
3697 | 20 slouken@libsdl.org |
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21 */ |
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22 |
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23 #include "SDL_config.h" |
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24 |
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25 #ifdef SDL_JOYSTICK_NDS |
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26 |
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27 /* This is the system specific header for the SDL joystick API */ |
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28 #include <nds.h> |
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29 #include <stdio.h> /* For the definition of NULL */ |
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30 |
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31 #include "SDL_error.h" |
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32 #include "SDL_events.h" |
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33 #include "SDL_joystick.h" |
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34 #include "SDL_sysjoystick.h" |
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35 #include "SDL_joystick_c.h" |
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36 |
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37 #include "../../video/nds/SDL_ndsevents_c.h" |
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38 |
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39 /* Function to scan the system for joysticks. |
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40 * This function should set SDL_numjoysticks to the number of available |
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41 * joysticks. Joystick 0 should be the system default joystick. |
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42 * It should return 0, or -1 on an unrecoverable fatal error. |
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43 */ |
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44 int |
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45 SDL_SYS_JoystickInit(void) |
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46 { |
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47 SDL_numjoysticks = 1; |
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48 return (1); |
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49 } |
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50 |
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51 /* Function to get the device-dependent name of a joystick */ |
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52 const char * |
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53 SDL_SYS_JoystickName(int index) |
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54 { |
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55 if (!index) |
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56 return "NDS builtin joypad"; |
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57 SDL_SetError("No joystick available with that index"); |
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58 return (NULL); |
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59 } |
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60 |
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61 /* Function to open a joystick for use. |
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62 The joystick to open is specified by the index field of the joystick. |
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63 This should fill the nbuttons and naxes fields of the joystick structure. |
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64 It returns 0, or -1 if there is an error. |
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65 */ |
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66 int |
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67 SDL_SYS_JoystickOpen(SDL_Joystick * joystick) |
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68 { |
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69 joystick->nbuttons = 8; |
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70 joystick->nhats = 0; |
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71 joystick->nballs = 0; |
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72 joystick->naxes = 2; |
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73 return 0; |
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74 } |
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75 |
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76 |
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77 /* Function to update the state of a joystick - called as a device poll. |
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78 * This function shouldn't update the joystick structure directly, |
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79 * but instead should call SDL_PrivateJoystick*() to deliver events |
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80 * and update joystick device state. |
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81 */ |
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82 void |
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83 SDL_SYS_JoystickUpdate(SDL_Joystick * joystick) |
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84 { |
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85 u32 keysd, keysu; |
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86 int magnitude = 16384; |
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87 |
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88 /*scanKeys(); - this is done in PumpEvents, because touch uses it too */ |
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89 keysd = keysDown(); |
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90 keysu = keysUp(); |
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91 |
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92 if ((keysd & KEY_UP)) { |
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93 SDL_PrivateJoystickAxis(joystick, 1, -magnitude); |
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94 } |
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95 if ((keysd & KEY_DOWN)) { |
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96 SDL_PrivateJoystickAxis(joystick, 1, magnitude); |
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97 } |
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98 if ((keysd & KEY_LEFT)) { |
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99 SDL_PrivateJoystickAxis(joystick, 0, -magnitude); |
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100 } |
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101 if ((keysd & KEY_RIGHT)) { |
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102 SDL_PrivateJoystickAxis(joystick, 0, magnitude); |
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103 } |
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104 if ((keysu & (KEY_UP | KEY_DOWN))) { |
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105 SDL_PrivateJoystickAxis(joystick, 1, 0); |
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106 } |
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107 if ((keysu & (KEY_LEFT | KEY_RIGHT))) { |
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108 SDL_PrivateJoystickAxis(joystick, 0, 0); |
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109 } |
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110 if ((keysd & KEY_A)) { |
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111 SDL_PrivateJoystickButton(joystick, 0, SDL_PRESSED); |
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112 } |
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113 if ((keysd & KEY_B)) { |
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114 SDL_PrivateJoystickButton(joystick, 1, SDL_PRESSED); |
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115 } |
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116 if ((keysd & KEY_X)) { |
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117 SDL_PrivateJoystickButton(joystick, 2, SDL_PRESSED); |
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118 } |
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119 if ((keysd & KEY_Y)) { |
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120 SDL_PrivateJoystickButton(joystick, 3, SDL_PRESSED); |
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121 } |
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122 if ((keysd & KEY_L)) { |
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123 SDL_PrivateJoystickButton(joystick, 4, SDL_PRESSED); |
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124 } |
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125 if ((keysd & KEY_R)) { |
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126 SDL_PrivateJoystickButton(joystick, 5, SDL_PRESSED); |
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127 } |
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128 if ((keysd & KEY_SELECT)) { |
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129 SDL_PrivateJoystickButton(joystick, 6, SDL_PRESSED); |
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130 } |
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131 if ((keysd & KEY_START)) { |
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132 SDL_PrivateJoystickButton(joystick, 7, SDL_PRESSED); |
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133 } |
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134 if ((keysu & KEY_A)) { |
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135 SDL_PrivateJoystickButton(joystick, 0, SDL_RELEASED); |
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136 } |
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137 if ((keysu & KEY_B)) { |
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138 SDL_PrivateJoystickButton(joystick, 1, SDL_RELEASED); |
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139 } |
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140 if ((keysu & KEY_X)) { |
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141 SDL_PrivateJoystickButton(joystick, 2, SDL_RELEASED); |
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142 } |
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143 if ((keysu & KEY_Y)) { |
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144 SDL_PrivateJoystickButton(joystick, 3, SDL_RELEASED); |
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145 } |
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146 if ((keysu & KEY_L)) { |
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147 SDL_PrivateJoystickButton(joystick, 4, SDL_RELEASED); |
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148 } |
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149 if ((keysu & KEY_R)) { |
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150 SDL_PrivateJoystickButton(joystick, 5, SDL_RELEASED); |
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151 } |
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152 if ((keysu & KEY_SELECT)) { |
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153 SDL_PrivateJoystickButton(joystick, 6, SDL_RELEASED); |
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154 } |
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155 if ((keysu & KEY_START)) { |
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156 SDL_PrivateJoystickButton(joystick, 7, SDL_RELEASED); |
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157 } |
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158 } |
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159 |
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160 /* Function to close a joystick after use */ |
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161 void |
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162 SDL_SYS_JoystickClose(SDL_Joystick * joystick) |
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163 { |
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164 } |
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165 |
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166 /* Function to perform any system-specific joystick related cleanup */ |
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167 void |
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168 SDL_SYS_JoystickQuit(void) |
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169 { |
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170 } |
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171 |
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172 #endif /* SDL_JOYSTICK_NDS */ |