181 lines
4.5 KiB
C
181 lines
4.5 KiB
C
/*
|
|
* Copyright 1995 by Frederic Lepied, France. <fred@sugix.frmug.fr.net>
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that
|
|
* copyright notice and this permission notice appear in supporting
|
|
* documentation, and that the name of Frederic Lepied not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. Frederic Lepied makes no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
|
|
static const char rcs_id[] = "Id: lnx_jstk.c,v 1.1 1995/12/20 14:06:09 lepied Exp";
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#define inline __inline__
|
|
#include <linux/joystick.h>
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include "xf86.h"
|
|
|
|
#if !defined(JSIOCGTIMELIMIT)
|
|
/* make 2.1.x joystick.h backward compatable */
|
|
#define JSIOCGTIMELIMIT JS_GET_TIMELIMIT
|
|
#define JSIOCSTIMELIMIT JS_SET_TIMELIMIT
|
|
#define js_status JS_DATA_TYPE
|
|
#endif
|
|
|
|
|
|
/***********************************************************************
|
|
*
|
|
* xf86JoystickOn --
|
|
*
|
|
* open the device and init timeout according to the device value.
|
|
*
|
|
***********************************************************************
|
|
*/
|
|
|
|
int
|
|
xf86JoystickOn(char *name, int *timeout, int *centerX, int *centerY)
|
|
{
|
|
int fd;
|
|
struct js_status js;
|
|
|
|
#ifdef DEBUG
|
|
ErrorF("xf86JoystickOn %s\n", name);
|
|
#endif
|
|
|
|
if ((fd = open(name, O_RDWR | O_NDELAY, 0)) < 0)
|
|
{
|
|
xf86Msg(X_WARNING, "Cannot open joystick '%s' (%s)\n", name,
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
if (*timeout == 0) {
|
|
if (ioctl (fd, JSIOCGTIMELIMIT, timeout) == -1) {
|
|
Error("joystick JSIOCGTIMELIMIT ioctl");
|
|
}
|
|
else {
|
|
xf86Msg(X_CONFIG, "Joystick: timeout value = %d\n", *timeout);
|
|
}
|
|
}
|
|
else {
|
|
if (ioctl(fd, JSIOCSTIMELIMIT, timeout) == -1) {
|
|
Error("joystick JSIOCSTIMELIMIT ioctl");
|
|
}
|
|
}
|
|
|
|
/* Assume the joystick is centred when this is called */
|
|
read(fd, &js, JS_RETURN);
|
|
if (*centerX < 0) {
|
|
*centerX = js.x;
|
|
xf86Msg(X_CONFIG, "Joystick: CenterX set to %d\n", *centerX);
|
|
}
|
|
if (*centerY < 0) {
|
|
*centerY = js.y;
|
|
xf86Msg(X_CONFIG, "Joystick: CenterY set to %d\n", *centerY);
|
|
}
|
|
|
|
return fd;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* xf86JoystickInit --
|
|
*
|
|
* called when X device is initialized.
|
|
*
|
|
***********************************************************************
|
|
*/
|
|
|
|
void
|
|
xf86JoystickInit()
|
|
{
|
|
return;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* xf86JoystickOff --
|
|
*
|
|
* close the handle.
|
|
*
|
|
***********************************************************************
|
|
*/
|
|
|
|
int
|
|
xf86JoystickOff(int *fd, int doclose)
|
|
{
|
|
int oldfd;
|
|
|
|
if (((oldfd = *fd) >= 0) && doclose) {
|
|
close(*fd);
|
|
*fd = -1;
|
|
}
|
|
return oldfd;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* xf86JoystickGetState --
|
|
*
|
|
* return the state of buttons and the position of the joystick.
|
|
*
|
|
***********************************************************************
|
|
*/
|
|
|
|
int
|
|
xf86JoystickGetState(int fd, int *x, int *y, int *buttons)
|
|
{
|
|
struct js_status js;
|
|
int status;
|
|
|
|
status = read(fd, &js, JS_RETURN);
|
|
|
|
if (status != JS_RETURN)
|
|
{
|
|
Error("Joystick read");
|
|
return 0;
|
|
}
|
|
|
|
*x = js.x;
|
|
*y = js.y;
|
|
*buttons = js.buttons;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Entry point for XFree86 Loader
|
|
*/
|
|
void
|
|
linux_jstkModuleInit(pointer *data, INT32 *magic)
|
|
{
|
|
*magic = MAGIC_DONE;
|
|
*data = NULL;
|
|
}
|
|
|
|
/* end of lnx_jstk.c */
|