| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 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 |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* This is the system specific header for the SDL joystick API */ |
| 25 | #include <nds.h> |
| 26 | //#include <nds/registers_alt.h> |
| 27 | |
| 28 | #include "SDL_error.h" |
| 29 | #include "SDL_events.h" |
| 30 | #include "SDL_joystick.h" |
| 31 | #include "../SDL_sysjoystick.h" |
| 32 | #include "../SDL_joystick_c.h" |
| 33 | |
| 34 | #include "../../video/nds/SDL_ndsevents_c.h" |
| 35 | |
| 36 | /* Function to scan the system for joysticks. |
| 37 | * This function should set SDL_numjoysticks to the number of available |
| 38 | * joysticks. Joystick 0 should be the system default joystick. |
| 39 | * It should return 0, or -1 on an unrecoverable fatal error. |
| 40 | */ |
| 41 | int SDL_SYS_JoystickInit(void) |
| 42 | { |
| 43 | SDL_numjoysticks = 1; |
| 44 | //keysInit(); |
| 45 | |
| 46 | return(1); |
| 47 | } |
| 48 | |
| 49 | /* Function to get the device-dependent name of a joystick */ |
| 50 | const char *SDL_SYS_JoystickName(int index) |
| 51 | { |
| 52 | if(!index) |
| 53 | return "NDS builtin joypad"; |
| 54 | SDL_SetError("No joystick available with that index"); |
| 55 | return (NULL); |
| 56 | } |
| 57 | |
| 58 | /* Function to open a joystick for use. |
| 59 | The joystick to open is specified by the index field of the joystick. |
| 60 | This should fill the nbuttons and naxes fields of the joystick structure. |
| 61 | It returns 0, or -1 if there is an error. |
| 62 | */ |
| 63 | int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) |
| 64 | { |
| 65 | joystick->nbuttons=8; |
| 66 | joystick->nhats=0; |
| 67 | joystick->nballs=0; |
| 68 | joystick->naxes=2; |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | /* Function to update the state of a joystick - called as a device poll. |
| 74 | * This function shouldn't update the joystick structure directly, |
| 75 | * but instead should call SDL_PrivateJoystick*() to deliver events |
| 76 | * and update joystick device state. |
| 77 | */ |
| 78 | |
| 79 | int prevbutton=0; |
| 80 | int prevkey=0; |
| 81 | |
| 82 | int dc=0;int ldc=0; |
| 83 | u32 keysd,keysu=0; |
| 84 | void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) |
| 85 | { |
| 86 | //dc=keysd; |
| 87 | //if (dc) |
| 88 | //{ |
| 89 | //fprintf(stderr,"heartbeat= %d\n",REG_VCOUNT); |
| 90 | //swiWaitForVBlank(); |
| 91 | //scanKeys(); |
| 92 | //keysd = keysDown(); |
| 93 | //keysu = keysUp(); |
| 94 | //ldc=keysd; |
| 95 | |
| 96 | //} |
| 97 | /*if (prevkey && prevbutton) |
| 98 | { |
| 99 | scanKeys(); |
| 100 | } |
| 101 | */ |
| 102 | |
| 103 | //scanKeys(); |
| 104 | keysd = keysDown(); |
| 105 | keysu = keysUp(); |
| 106 | |
| 107 | |
| 108 | short ax=0,v=0,h=0; |
| 109 | if((keysd&KEY_UP)) {ax=1;v=-10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_UP;}//fprintf(stderr,"KEY_UP\n");} |
| 110 | if((keysd&KEY_DOWN)) {ax=1;v=10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_DOWN;}//fprintf(stderr,"KEY_DOWN\n");} |
| 111 | if((keysd&KEY_LEFT)) {ax=0;h=-10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_LEFT;}//fprintf(stderr,"KEY_LEFT\n");} |
| 112 | if((keysd&KEY_RIGHT)) {ax=0;h=10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_RIGHT;}//fprintf(stderr,"KEY_RIGHT\n");} |
| 113 | |
| 114 | if((keysu&KEY_UP)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_UP\n");} |
| 115 | if((keysu&KEY_DOWN)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_DOWN\n");} |
| 116 | if((keysu&KEY_LEFT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_LEFT\n");} |
| 117 | if((keysu&KEY_RIGHT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_RIGHT\n");} |
| 118 | |
| 119 | if((keysd&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_PRESSED);prevbutton=KEY_A;} |
| 120 | if((keysd&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_PRESSED);prevbutton=KEY_B;} |
| 121 | if((keysd&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_PRESSED);prevbutton=KEY_X;} |
| 122 | if((keysd&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_PRESSED);prevbutton=KEY_Y;} |
| 123 | if((keysd&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_PRESSED);prevbutton=KEY_SELECT;} |
| 124 | if((keysd&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_PRESSED);prevbutton=KEY_START;} |
| 125 | if((keysd&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_PRESSED);prevbutton=KEY_L;} |
| 126 | if((keysd&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_PRESSED);prevbutton=KEY_R;} |
| 127 | |
| 128 | if((keysu&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_RELEASED);prevbutton=0;} |
| 129 | if((keysu&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_RELEASED);prevbutton=0;} |
| 130 | if((keysu&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_RELEASED);prevbutton=0;} |
| 131 | if((keysu&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_RELEASED);prevbutton=0;} |
| 132 | if((keysu&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_RELEASED);prevbutton=0;} |
| 133 | if((keysu&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_RELEASED);prevbutton=0;} |
| 134 | if((keysu&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_RELEASED);prevbutton=0;} |
| 135 | if((keysu&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_RELEASED);prevbutton=0;} |
| 136 | |
| 137 | |
| 138 | |
| 139 | } |
| 140 | |
| 141 | /* Function to close a joystick after use */ |
| 142 | void SDL_SYS_JoystickClose(SDL_Joystick *joystick) |
| 143 | { |
| 144 | } |
| 145 | |
| 146 | /* Function to perform any system-specific joystick related cleanup */ |
| 147 | void SDL_SYS_JoystickQuit(void) |
| 148 | { |
| 149 | } |
| 150 | |