| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* This is the system specific header for the SDL joystick API */ |
| #include <nds.h> |
| //#include <nds/registers_alt.h> |
| |
| #include "SDL_error.h" |
| #include "SDL_events.h" |
| #include "SDL_joystick.h" |
| #include "../SDL_sysjoystick.h" |
| #include "../SDL_joystick_c.h" |
| |
| #include "../../video/nds/SDL_ndsevents_c.h" |
| |
| /* Function to scan the system for joysticks. |
| * This function should set SDL_numjoysticks to the number of available |
| * joysticks. Joystick 0 should be the system default joystick. |
| * It should return 0, or -1 on an unrecoverable fatal error. |
| */ |
| int SDL_SYS_JoystickInit(void) |
| { |
| SDL_numjoysticks = 1; |
| //keysInit(); |
| |
| return(1); |
| } |
| |
| /* Function to get the device-dependent name of a joystick */ |
| const char *SDL_SYS_JoystickName(int index) |
| { |
| if(!index) |
| return "NDS builtin joypad"; |
| SDL_SetError("No joystick available with that index"); |
| return (NULL); |
| } |
| |
| /* Function to open a joystick for use. |
| The joystick to open is specified by the index field of the joystick. |
| This should fill the nbuttons and naxes fields of the joystick structure. |
| It returns 0, or -1 if there is an error. |
| */ |
| int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) |
| { |
| joystick->nbuttons=8; |
| joystick->nhats=0; |
| joystick->nballs=0; |
| joystick->naxes=2; |
| return 0; |
| } |
| |
| |
| /* Function to update the state of a joystick - called as a device poll. |
| * This function shouldn't update the joystick structure directly, |
| * but instead should call SDL_PrivateJoystick*() to deliver events |
| * and update joystick device state. |
| */ |
| |
| int prevbutton=0; |
| int prevkey=0; |
| |
| int dc=0;int ldc=0; |
| u32 keysd,keysu=0; |
| void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) |
| { |
| //dc=keysd; |
| //if (dc) |
| //{ |
| //fprintf(stderr,"heartbeat= %d\n",REG_VCOUNT); |
| //swiWaitForVBlank(); |
| //scanKeys(); |
| //keysd = keysDown(); |
| //keysu = keysUp(); |
| //ldc=keysd; |
| |
| //} |
| /*if (prevkey && prevbutton) |
| { |
| scanKeys(); |
| } |
| */ |
| |
| //scanKeys(); |
| keysd = keysDown(); |
| keysu = keysUp(); |
| |
| |
| short ax=0,v=0,h=0; |
| if((keysd&KEY_UP)) {ax=1;v=-10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_UP;}//fprintf(stderr,"KEY_UP\n");} |
| if((keysd&KEY_DOWN)) {ax=1;v=10;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=KEY_DOWN;}//fprintf(stderr,"KEY_DOWN\n");} |
| if((keysd&KEY_LEFT)) {ax=0;h=-10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_LEFT;}//fprintf(stderr,"KEY_LEFT\n");} |
| if((keysd&KEY_RIGHT)) {ax=0;h=10;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=KEY_RIGHT;}//fprintf(stderr,"KEY_RIGHT\n");} |
| |
| if((keysu&KEY_UP)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_UP\n");} |
| if((keysu&KEY_DOWN)) {ax=1;v=0;SDL_PrivateJoystickAxis(joystick,ax,v);prevkey=0;}//fprintf(stderr,"KEY_DOWN\n");} |
| if((keysu&KEY_LEFT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_LEFT\n");} |
| if((keysu&KEY_RIGHT)) {ax=0;h=0;SDL_PrivateJoystickAxis(joystick,ax,h);prevkey=0;}//fprintf(stderr,"KEY_RIGHT\n");} |
| |
| if((keysd&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_PRESSED);prevbutton=KEY_A;} |
| if((keysd&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_PRESSED);prevbutton=KEY_B;} |
| if((keysd&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_PRESSED);prevbutton=KEY_X;} |
| if((keysd&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_PRESSED);prevbutton=KEY_Y;} |
| if((keysd&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_PRESSED);prevbutton=KEY_SELECT;} |
| if((keysd&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_PRESSED);prevbutton=KEY_START;} |
| if((keysd&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_PRESSED);prevbutton=KEY_L;} |
| if((keysd&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_PRESSED);prevbutton=KEY_R;} |
| |
| if((keysu&KEY_A)) {SDL_PrivateJoystickButton(joystick,0,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_B)) {SDL_PrivateJoystickButton(joystick,1,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_X)) {SDL_PrivateJoystickButton(joystick,2,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_Y)) {SDL_PrivateJoystickButton(joystick,3,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_SELECT)) {SDL_PrivateJoystickButton(joystick,6,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_START)) {SDL_PrivateJoystickButton(joystick,7,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_L)) {SDL_PrivateJoystickButton(joystick,4,SDL_RELEASED);prevbutton=0;} |
| if((keysu&KEY_R)) {SDL_PrivateJoystickButton(joystick,5,SDL_RELEASED);prevbutton=0;} |
| |
| |
| |
| } |
| |
| /* Function to close a joystick after use */ |
| void SDL_SYS_JoystickClose(SDL_Joystick *joystick) |
| { |
| } |
| |
| /* Function to perform any system-specific joystick related cleanup */ |
| void SDL_SYS_JoystickQuit(void) |
| { |
| } |
| |