19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifdef SDL_JOYSTICK_DC 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_events.h" 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_joystick.h" 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_sysjoystick.h" 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_joystick_c.h" 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <dc/maple.h> 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <dc/maple/controller.h> 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_JOYSTICKS 8 /* only 2 are supported in the multimedia API */ 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_AXES 6 /* each joystick can have up to 6 axes */ 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_BUTTONS 8 /* and 8 buttons */ 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_HATS 2 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define JOYNAMELEN 8 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* array to hold joystick ID values */ 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic uint8 SYS_Joystick_addr[MAX_JOYSTICKS]; 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* The private structure used to keep track of a joystick */ 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstruct joystick_hwdata 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cont_cond_t prev_cond; 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int prev_buttons; 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall}; 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to scan the system for joysticks. 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * This function should set SDL_numjoysticks to the number of available 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * joysticks. Joystick 0 should be the system default joystick. 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * It should return 0, or -1 on an unrecoverable fatal error. 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_SYS_JoystickInit(void) 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int numdevs; 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int p,u; 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall numdevs = 0; 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for(p=0;p<MAPLE_PORT_COUNT;p++) { 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for(u=0;u<MAPLE_UNIT_COUNT;u++) { 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (maple_device_func(p,u)&MAPLE_FUNC_CONTROLLER) { 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_Joystick_addr[numdevs] = maple_addr(p,u); 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall numdevs++; 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(numdevs); 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to get the device-dependent name of a joystick */ 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallconst char *SDL_SYS_JoystickName(int index) 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall maple_device_t *dev; 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (maple_compat_resolve(SYS_Joystick_addr[index],&dev,MAPLE_FUNC_CONTROLLER)!=0) return NULL; 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return dev->info.product_name; 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to open a joystick for use. 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall The joystick to open is specified by the index field of the joystick. 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This should fill the nbuttons and naxes fields of the joystick structure. 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall It returns 0, or -1 if there is an error. 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_SYS_JoystickOpen(SDL_Joystick *joystick) 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* allocate memory for system specific hardware data */ 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata = (struct joystick_hwdata *) SDL_malloc(sizeof(*joystick->hwdata)); 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (joystick->hwdata == NULL) 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall { 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata)); 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* fill nbuttons, naxes, and nhats fields */ 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nbuttons = MAX_BUTTONS; 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->naxes = MAX_AXES; 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nhats = MAX_HATS; 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to update the state of a joystick - called as a device poll. 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * This function shouldn't update the joystick structure directly, 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * but instead should call SDL_PrivateJoystick*() to deliver events 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * and update joystick device state. 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallconst int sdl_buttons[] = { 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_C, 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_B, 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_A, 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_START, 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_Z, 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_Y, 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_X, 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall CONT_D 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall}; 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall uint8 addr; 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cont_cond_t cond,*prev_cond; 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int buttons,prev_buttons,i,changed; 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall addr = SYS_Joystick_addr[joystick->index]; 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cont_get_cond(addr,&cond)<0) return; 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall buttons = cond.buttons; 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall prev_buttons = joystick->hwdata->prev_buttons; 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall changed = buttons^prev_buttons; 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ((changed)&(CONT_DPAD_UP|CONT_DPAD_DOWN|CONT_DPAD_LEFT|CONT_DPAD_RIGHT)) { 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int hat = SDL_HAT_CENTERED; 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD_UP) hat|=SDL_HAT_UP; 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD_DOWN) hat|=SDL_HAT_DOWN; 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD_LEFT) hat|=SDL_HAT_LEFT; 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD_RIGHT) hat|=SDL_HAT_RIGHT; 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickHat(joystick, 0, hat); 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ((changed)&(CONT_DPAD2_UP|CONT_DPAD2_DOWN|CONT_DPAD2_LEFT|CONT_DPAD2_RIGHT)) { 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int hat = SDL_HAT_CENTERED; 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD2_UP) hat|=SDL_HAT_UP; 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD2_DOWN) hat|=SDL_HAT_DOWN; 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD2_LEFT) hat|=SDL_HAT_LEFT; 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (buttons&CONT_DPAD2_RIGHT) hat|=SDL_HAT_RIGHT; 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickHat(joystick, 1, hat); 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for(i=0;i<sizeof(sdl_buttons)/sizeof(sdl_buttons[0]);i++) { 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (changed & sdl_buttons[i]) { 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickButton(joystick, i, (buttons & sdl_buttons[i])?SDL_PRESSED:SDL_RELEASED); 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall prev_cond = &joystick->hwdata->prev_cond; 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cond.joyx!=prev_cond->joyx) 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, 0, cond.joyx-128); 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cond.joyy!=prev_cond->joyy) 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, 1, cond.joyy-128); 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cond.rtrig!=prev_cond->rtrig) 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, 2, cond.rtrig); 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cond.ltrig!=prev_cond->ltrig) 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, 3, cond.ltrig); 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cond.joy2x!=prev_cond->joy2x) 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, 4, cond.joy2x-128); 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (cond.joy2y!=prev_cond->joy2y) 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, 5, cond.joy2y-128); 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->prev_buttons = buttons; 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->prev_cond = cond; 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to close a joystick after use */ 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_SYS_JoystickClose(SDL_Joystick *joystick) 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (joystick->hwdata != NULL) { 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* free system specific hardware data */ 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick->hwdata); 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to perform any system-specific joystick related cleanup */ 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_SYS_JoystickQuit(void) 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* SDL_JOYSTICK_DC */ 194