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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com
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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
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32 #include "SDL_error.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 /* Function to scan the system for joysticks.
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38 * This function should set SDL_numjoysticks to the number of available
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39 * joysticks. Joystick 0 should be the system default joystick.
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40 * It should return 0, or -1 on an unrecoverable fatal error.
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41 */
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42 int SDL_SYS_JoystickInit(void)
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43 {
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44 SDL_numjoysticks = 0;
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45 return(0);
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46 }
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47
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48 /* Function to get the device-dependent name of a joystick */
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49 const char *SDL_SYS_JoystickName(int index)
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50 {
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51 SDL_SetError("Logic error: No joysticks available");
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52 return(NULL);
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53 }
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54
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55 /* Function to open a joystick for use.
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56 The joystick to open is specified by the index field of the joystick.
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57 This should fill the nbuttons and naxes fields of the joystick structure.
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58 It returns 0, or -1 if there is an error.
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59 */
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60 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
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61 {
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62 SDL_SetError("Logic error: No joysticks available");
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63 return(-1);
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64 }
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65
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66 /* Function to update the state of a joystick - called as a device poll.
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67 * This function shouldn't update the joystick structure directly,
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68 * but instead should call SDL_PrivateJoystick*() to deliver events
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69 * and update joystick device state.
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70 */
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71 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
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72 {
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73 return;
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74 }
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75
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76 /* Function to close a joystick after use */
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77 void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
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78 {
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79 return;
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80 }
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81
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82 /* Function to perform any system-specific joystick related cleanup */
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83 void SDL_SYS_JoystickQuit(void)
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84 {
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85 return;
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86 }
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87
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