rm usbjoy; replaced by evdev, needs rewrite anyway

git-svn-id: file:///home/notaz/opt/svn/PicoDrive@707 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-07-22 12:41:14 +00:00
parent bcd94522e8
commit 2f64d82211
2 changed files with 0 additions and 681 deletions

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/* 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;
}

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/* 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