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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 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 Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
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23 |
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24 /* This is the system specific header for the SDL joystick API */ |
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25 #include <nds.h> |
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26 //#include <nds/registers_alt.h> |
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27 |
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28 #include "SDL_error.h" |
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29 #include "SDL_events.h" |
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30 #include "SDL_joystick.h" |
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31 #include "../SDL_sysjoystick.h" |
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32 #include "../SDL_joystick_c.h" |
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33 |
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34 #include "../../video/nds/SDL_ndsevents_c.h" |
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35 |
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36 /* Function to scan the system for joysticks. |
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37 * This function should set SDL_numjoysticks to the number of available |
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38 * joysticks. Joystick 0 should be the system default joystick. |
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39 * It should return 0, or -1 on an unrecoverable fatal error. |
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40 */ |
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41 int SDL_SYS_JoystickInit(void) |
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42 { |
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43 SDL_numjoysticks = 1; |
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44 //keysInit(); |
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45 |
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46 return(1); |
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47 } |
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48 |
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49 /* Function to get the device-dependent name of a joystick */ |
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50 const char *SDL_SYS_JoystickName(int index) |
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51 { |
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52 if(!index) |
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53 return "NDS builtin joypad"; |
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54 SDL_SetError("No joystick available with that index"); |
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55 return (NULL); |
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56 } |
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57 |
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58 /* Function to open a joystick for use. |
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59 The joystick to open is specified by the index field of the joystick. |
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60 This should fill the nbuttons and naxes fields of the joystick structure. |
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61 It returns 0, or -1 if there is an error. |
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62 */ |
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63 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) |
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64 { |
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65 joystick->nbuttons=8; |
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66 joystick->nhats=0; |
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67 joystick->nballs=0; |
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68 joystick->naxes=2; |
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69 return 0; |
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70 } |
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71 |
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72 |
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73 /* Function to update the state of a joystick - called as a device poll. |
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74 * This function shouldn't update the joystick structure directly, |
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75 * but instead should call SDL_PrivateJoystick*() to deliver events |
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76 * and update joystick device state. |
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77 */ |
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78 |
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79 int prevbutton=0; |
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80 int prevkey=0; |
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81 |
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82 int dc=0;int ldc=0; |
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83 u32 keysd,keysu=0; |
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84 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) |
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85 { |
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86 //dc=keysd; |
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87 //if (dc) |
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88 //{ |
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89 //fprintf(stderr,"heartbeat= %d\n",REG_VCOUNT); |
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90 //swiWaitForVBlank(); |
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91 //scanKeys(); |
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92 //keysd = keysDown(); |
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93 //keysu = keysUp(); |
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94 //ldc=keysd; |
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95 |
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96 //} |
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97 /*if (prevkey && prevbutton) |
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98 { |
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99 scanKeys(); |
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100 } |
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101 */ |
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102 |
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103 //scanKeys(); |
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104 keysd = keysDown(); |
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105 keysu = keysUp(); |
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106 |
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107 |
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108 short ax=0,v=0,h=0; |
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109 if((keysd&KEY_UP)) {ax=1;v=-10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_UP;}//fprintf(stderr,"KEY_UP\n");} |
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110 if((keysd&KEY_DOWN)) {ax=1;v=10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_DOWN;}//fprintf(stderr,"KEY_DOWN\n");} |
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111 if((keysd&KEY_LEFT)) {ax=0;h=-10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_LEFT;}//fprintf(stderr,"KEY_LEFT\n");} |
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112 if((keysd&KEY_RIGHT)) {ax=0;h=10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_RIGHT;}//fprintf(stderr,"KEY_RIGHT\n");} |
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113 |
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114 if((keysu&KEY_UP)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_UP\n");} |
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115 if((keysu&KEY_DOWN)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_DOWN\n");} |
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116 if((keysu&KEY_LEFT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_LEFT\n");} |
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117 if((keysu&KEY_RIGHT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_RIGHT\n");} |
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118 |
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119 if((keysd&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_PRESSED);prevbutton=KEY_A;} |
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120 if((keysd&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_PRESSED);prevbutton=KEY_B;} |
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121 if((keysd&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_PRESSED);prevbutton=KEY_X;} |
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122 if((keysd&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_PRESSED);prevbutton=KEY_Y;} |
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123 if((keysd&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_PRESSED);prevbutton=KEY_SELECT;} |
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124 if((keysd&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_PRESSED);prevbutton=KEY_START;} |
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125 if((keysd&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_PRESSED);prevbutton=KEY_L;} |
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126 if((keysd&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_PRESSED);prevbutton=KEY_R;} |
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127 |
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128 if((keysu&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_RELEASED);prevbutton=0;} |
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129 if((keysu&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_RELEASED);prevbutton=0;} |
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130 if((keysu&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_RELEASED);prevbutton=0;} |
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131 if((keysu&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_RELEASED);prevbutton=0;} |
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132 if((keysu&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_RELEASED);prevbutton=0;} |
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133 if((keysu&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_RELEASED);prevbutton=0;} |
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134 if((keysu&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_RELEASED);prevbutton=0;} |
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135 if((keysu&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_RELEASED);prevbutton=0;} |
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136 |
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137 |
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138 |
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139 } |
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140 |
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141 /* Function to close a joystick after use */ |
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142 void SDL_SYS_JoystickClose(SDL_Joystick *joystick) |
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143 { |
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144 } |
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145 |
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146 /* Function to perform any system-specific joystick related cleanup */ |
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147 void SDL_SYS_JoystickQuit(void) |
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148 { |
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149 } |
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150 |