+++ /dev/null
-/* Title: USB Joystick library
- Version 0.2
- Written by Puck2099 (puck2099@gmail.com), (c) 2006.
- <http://www.gp32wip.com>
-
- If you use this library or a part of it, please, let it know.
-
- 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include <stdlib.h>
-#include <stdio.h> /* For the definition of NULL */
-#include <sys/types.h> // For Device open
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-#include <unistd.h> // For Device read
-
-#include <string.h>
-#include <limits.h> /* For the definition of PATH_MAX */
-#include <linux/joystick.h>
-
-#include "usbjoy.h"
-
-/* This is a try to support analog joys. Untested. */
-#define DEAD_ZONE (8*1024)
-
-/*
- Function: joy_open
-
- Opens a USB joystick and fills its information.
-
- Parameters:
-
- joynumber - Joystick's identifier (0 reserved for GP2X's builtin Joystick).
-
- Returns:
-
- Filled usbjoy structure.
-
-*/
-struct usbjoy *joy_open(int joynumber)
-{
- int fd;
- char path [128];
- struct usbjoy * joy = NULL;
- struct js_event event;
-#ifdef __GP2X__
- static char insmod_done = 0;
- // notaz: on my system I get unresolved input_* symbols, so have to 'insmod input' too
- // also we should insmod only once, not on every joy_open() call.
- if (!insmod_done) {
- system ("insmod input");
- system ("insmod joydev"); // Loads joydev module
- insmod_done = 1;
- }
-#endif
-
- if (joynumber == 0) {
- }
- else if (joynumber > 0) {
- sprintf (path, "/dev/input/js%d", joynumber-1);
- fd = open(path, O_RDONLY, 0);
- if (fd == -1) {
- sprintf (path, "/dev/js%d", joynumber-1);
- fd = open(path, O_RDONLY, 0);
- }
- if (fd != -1) {
- joy = (struct usbjoy *) malloc(sizeof(*joy));
- if (joy == NULL) { close(fd); return NULL; }
- memset(joy, 0, sizeof(*joy));
-
- // Set the joystick to non-blocking read mode
- fcntl(fd, F_SETFL, O_NONBLOCK);
-
- // notaz: maybe we should flush init events now.
- // My pad returns axis as active when I plug it in, which is kind of annoying.
- while (read(fd, &event, sizeof(event)) > 0);
-
- // Joystick's file descriptor
- joy->fd = fd;
-
- // Joystick's name
- ioctl(joy->fd, JSIOCGNAME(128*sizeof(char)), joy->name);
-
- // Joystick's device
- strcpy(joy->device, path);
-
- // Joystick's buttons
- ioctl(joy->fd, JSIOCGBUTTONS, &joy->numbuttons);
-
- // Joystick's axes
- ioctl(joy->fd, JSIOCGAXES, &joy->numaxes);
-
- // Joystick's type (derived from name)
- if (strncasecmp(joy->name, "logitech", strlen("logitech")) == 0)
- joy->type = JOY_TYPE_LOGITECH;
- else joy->type = JOY_TYPE_GENERIC;
- } else {
- // printf ("ERROR: No Joystick found\n");
- }
- }
- return joy;
-}
-
-/*
- Function: joy_name
-
- Returns Joystick's name.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's name or NULL if <usbjoy> struct is empty.
-*/
-char * joy_name (struct usbjoy * joy) {
- if (joy != NULL) return joy->name;
- else return NULL;
-}
-
-
-/*
- Function: joy_device
-
- Returns Joystick's device.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's device or NULL if <usbjoy> struct is empty.
-*/
-char * joy_device (struct usbjoy * joy) {
- if (joy != NULL) return joy->device;
- else return NULL;
-}
-
-
-/*
- Function: joy_buttons
-
- Returns Joystick's buttons number.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's buttons or 0 if <usbjoy> struct is empty.
-*/
-int joy_buttons (struct usbjoy * joy) {
- if (joy != NULL) return joy->numbuttons;
- else return 0;
-}
-
-
-/*
- Function: joy_axes
-
- Returns Joystick's axes number.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's axes or 0 if <usbjoy> struct is empty.
-*/
-int joy_axes (struct usbjoy * joy) {
- if (joy != NULL) return joy->numaxes;
- else return 0;
-}
-
-
-/*
- Function: joy_update
-
- Updates Joystick's internal information (<statebuttons> and <stateaxes> fields).
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- 0 - No events registered (no need to update).
- 1 - Events registered (a button or axe has been pushed).
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_update (struct usbjoy * joy) {
- struct js_event events[0xff];
- int i, len;
- int event = 0;
- if (joy != NULL) {
- if ((len=read(joy->fd, events, (sizeof events))) >0) {
- len /= sizeof(events[0]);
- for ( i=0; i<len; ++i ) {
- switch (events[i].type & ~JS_EVENT_INIT) {
- case JS_EVENT_AXIS:
- if (events[i].number == 0) {
- joy->stateaxes[JOYLEFT] = joy->stateaxes[JOYRIGHT] = 0;
- if (events[i].value < -DEAD_ZONE) joy->stateaxes[JOYLEFT] = 1;
- else if (events[i].value > DEAD_ZONE) joy->stateaxes[JOYRIGHT] = 1;
- joy->axevals[0] = events[i].value;
- }
- else if (events[i].number == 1) {
- joy->stateaxes[JOYUP] = joy->stateaxes[JOYDOWN] = 0;
- if (events[i].value < -DEAD_ZONE) joy->stateaxes[JOYUP] = 1;
- else if (events[i].value > DEAD_ZONE) joy->stateaxes[JOYDOWN] = 1;
- joy->axevals[1] = events[i].value;
- }
- event = 1;
- break;
- case JS_EVENT_BUTTON:
- joy->statebuttons[events[i].number] = events[i].value;
- event = 1;
- break;
- default:
- break;
- }
- }
- }
- }
- else {
- event = -1;
- }
- return event;
-}
-
-
-/*
- Function: joy_getbutton
-
- Returns Joystick's button information.
-
- Parameters:
-
- button - Button which value you want to know (from 0 to 31).
- joy - Selected joystick.
-
- Returns:
-
- 0 - Button NOT pushed.
- 1 - Button pushed.
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_getbutton (int button, struct usbjoy * joy) {
- if (joy != NULL) {
- if (button < joy_buttons(joy)) return joy->statebuttons[button];
- else return 0;
- }
- else return -1;
-}
-
-
-/*
- Function: joy_getaxe
-
- Returns Joystick's axes information.
-
- Parameters:
-
- axe - Axe which value you want to know (see <Axes values>).
- joy - Selected joystick.
-
- Returns:
-
- 0 - Direction NOT pushed.
- 1 - Direction pushed.
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_getaxe (int axe, struct usbjoy * joy) {
- if (joy != NULL) {
- if (axe < 4) return joy->stateaxes[axe];
- else return 0;
- }
- else return -1;
-}
-
-
-/*
- Function: joy_close
-
- Closes selected joystick's file descriptor and detroys it's fields.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- 0 - Joystick successfully closed.
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_close (struct usbjoy * joy) {
- if (joy != NULL) {
- close (joy->fd);
- free (joy);
- return 0;
- }
- else return -1;
-}
-
-
-/*********************************************************************/
-
-#include "../common/common.h"
-
-int num_of_joys = 0;
-struct usbjoy *joys[4];
-
-void usbjoy_init (void)
-{
- /* Open available joysticks -GnoStiC */
- int i, n = 0;
-
- printf("\n");
- for (i = 0; i < 4; i++) {
- joys[n] = joy_open(i+1);
- if (joys[n] && joy_buttons(joys[n]) > 0) {
- printf ("+-Joystick %d: \"%s\", buttons = %i\n", i+1, joy_name(joys[n]), joy_buttons(joys[n]));
- n++;
- }
- }
- num_of_joys = n;
-
- printf("Found %d Joystick(s)\n",num_of_joys);
-}
-
-void usbjoy_update (void)
-{
- /* Update Joystick Event Cache */
- int q, foo;
- for (q=0; q < num_of_joys; q++) {
- foo = joy_update (joys[q]);
- }
-}
-
-int usbjoy_check (int joyno)
-{
- /* Check Joystick */
- int q, joyExKey = 0;
- struct usbjoy *joy = joys[joyno];
-
- if (joy != NULL) {
- if (joy_getaxe(JOYUP, joy)) { joyExKey |= PBTN_UP; }
- if (joy_getaxe(JOYDOWN, joy)) { joyExKey |= PBTN_DOWN; }
- if (joy_getaxe(JOYLEFT, joy)) { joyExKey |= PBTN_LEFT; }
- if (joy_getaxe(JOYRIGHT, joy)) { joyExKey |= PBTN_RIGHT; }
-
- /* loop through joy buttons to check if they are pushed */
- for (q=0; q<joy_buttons (joy); q++) {
- if (joy_getbutton (q, joy)) {
- if (joy->type == JOY_TYPE_LOGITECH) {
- switch (q) {
- case 0: joyExKey |= PBTN_WEST; break;
- case 1: joyExKey |= PBTN_SOUTH; break;
- case 2: joyExKey |= PBTN_EAST; break;
- case 3: joyExKey |= PBTN_NORTH; break;
- }
- } else {
- switch (q) {
- case 0: joyExKey |= PBTN_NORTH; break;
- case 1: joyExKey |= PBTN_EAST; break;
- case 2: joyExKey |= PBTN_SOUTH; break;
- case 3: joyExKey |= PBTN_WEST; break;
- }
- }
-
- switch (q) {
- case 4: joyExKey |= PBTN_L; break;
- case 5: joyExKey |= PBTN_R; break;
- case 6: joyExKey |= PBTN_L; break; /* left shoulder button 2 */
- case 7: joyExKey |= PBTN_R; break; /* right shoulder button 2 */
-/*
- case 8: joyExKey |= GP2X_SELECT;break;
- case 9: joyExKey |= GP2X_START; break;
- case 10: joyExKey |= GP2X_PUSH; break;
- case 11: joyExKey |= GP2X_PUSH; break;
-*/
- }
- }
- }
- }
- return joyExKey;
-}
-
-int usbjoy_check2 (int joyno)
-{
- /* Check Joystick, don't map to gp2x joy */
- int q, to, joyExKey = 0;
- struct usbjoy *joy = joys[joyno];
-
- if (joy != NULL) {
- if (joy_getaxe(JOYUP, joy)) { joyExKey |= 1 << 0; }
- if (joy_getaxe(JOYDOWN, joy)) { joyExKey |= 1 << 1; }
- if (joy_getaxe(JOYLEFT, joy)) { joyExKey |= 1 << 2; }
- if (joy_getaxe(JOYRIGHT, joy)) { joyExKey |= 1 << 3; }
-
- /* loop through joy buttons to check if they are pushed */
- to = joy->numbuttons;
- if (to > 32-4) to = 32-4;
- for (q=0; q < to; q++)
- if (joy->statebuttons[q]) joyExKey |= 1 << (q+4);
- }
- return joyExKey;
-}
-
-
-
-void usbjoy_deinit (void)
-{
- int i;
- for (i=0; i<num_of_joys; i++) {
- joy_close (joys[i]);
- joys[i] = NULL;
- }
- num_of_joys = 0;
-}
-
+++ /dev/null
-/* Title: USB Joystick library
- Version 0.2
- Written by Puck2099 (puck2099@gmail.com), (c) 2006.
- <http://www.gp32wip.com>
-
- If you use this library or a part of it, please, let it know.
-
- 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#ifndef USBJOY_H
-#define USBJOY_H
-
-/* notaz: my Logitech has different button layout, and I want it to match gp2x's */
-typedef enum {
- JOY_TYPE_GENERIC,
- JOY_TYPE_LOGITECH
-} joy_type;
-
-/*
- Enumeration: Axes values
- This enumeration contains shortcuts to the values used on axes.
-
- Constants:
- JOYUP - Joystick Up
- JOYDOWN - Joystick Down
- JOYLEFT - Joystick Left
- JOYRIGHT - Joystick Right
-
- See also:
- <joy_getaxe>
-*/
-#define JOYUP (0)
-#define JOYDOWN (1)
-#define JOYLEFT (2)
-#define JOYRIGHT (3)
-
-
-/*
- Struct: usbjoy
-
- Contains all Joystick needed information.
-
- Fields:
- fd - File descriptor used.
- name - Joystick's name.
- device - /dev/input/jsX device.
- numbuttons - Joystick's buttons.
- numaxes - Joystick's axes.
- numhats - Joystick's hats.
- statebuttons - Current state of each button.
- stateaxes - Current state of each direction.
-*/
-struct usbjoy {
- int fd;
- char name [128];
- char device [128];
- int numbuttons;
- int numaxes;
- int numhats;
- int statebuttons[32];
- int stateaxes[4];
- int axevals[2];
- joy_type type;
-};
-
-
-/*
- Function: joy_open
-
- Opens a USB joystick and fills its information.
-
- Parameters:
-
- joynumber - Joystick's identifier (0 reserved for GP2X's builtin Joystick).
-
- Returns:
-
- Filled usbjoy structure.
-*/
-struct usbjoy * joy_open (int joynumber);
-
-
-/*
- Function: joy_name
-
- Returns Joystick's name.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's name or NULL if <usbjoy> struct is empty.
-*/
-char * joy_name (struct usbjoy * joy);
-
-
-/*
- Function: joy_device
-
- Returns Joystick's device.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's device or NULL if <usbjoy> struct is empty.
-*/
-char * joy_device (struct usbjoy * joy);
-
-/*
- Function: joy_buttons
-
- Returns Joystick's buttons number.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's buttons or 0 if <usbjoy> struct is empty.
-*/
-int joy_buttons (struct usbjoy * joy);
-
-/*
- Function: joy_axes
-
- Returns Joystick's axes number.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- Joystick's axes or 0 if <usbjoy> struct is empty.
-*/
-int joy_axes (struct usbjoy * joy);
-
-
-/*
- Function: joy_update
-
- Updates Joystick's internal information (<statebuttons> and <stateaxes> fields).
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- 0 - No events registered (no need to update).
- 1 - Events registered (a button or axe has been pushed).
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_update (struct usbjoy * joy);
-
-
-/*
- Function: joy_getbutton
-
- Returns Joystick's button information.
-
- Parameters:
-
- button - Button which value you want to know (from 0 to 31).
- joy - Selected joystick.
-
- Returns:
-
- 0 - Button NOT pushed.
- 1 - Button pushed.
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_getbutton (int button, struct usbjoy * joy);
-
-
-/*
- Function: joy_getaxe
-
- Returns Joystick's axes information.
-
- Parameters:
-
- axe - Axe which value you want to know (see <Axes values>).
- joy - Selected joystick.
-
- Returns:
-
- 0 - Direction NOT pushed.
- 1 - Direction pushed.
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_getaxe (int axe, struct usbjoy * joy);
-
-/*
- Function: joy_close
-
- Closes selected joystick's file descriptor and detroys it's fields.
-
- Parameters:
-
- joy - Selected joystick.
-
- Returns:
-
- 0 - Joystick successfully closed.
- -1 - Error: <usbjoy> struct is empty.
-*/
-int joy_close (struct usbjoy * joy);
-
-
-
-/* more stuff */
-extern int num_of_joys;
-extern struct usbjoy *joys[4];
-
-void usbjoy_update(void);
-void usbjoy_init(void);
-int usbjoy_check(int joyno);
-int usbjoy_check2(int joyno);
-void usbjoy_deinit(void);
-
-
-#endif // USBJOY_H
notaz.gp2x.de / libpicofe.git / commitdiff