/* * 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. * */ /* Modified for FreeBSD by David Dawes <dawes@XFree86.org> */ /* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/bsd_jstk.c,v 3.8 2002/08/06 13:20:47 herrb Exp $ */ #include <sys/types.h> #include <unistd.h> #include <string.h> #include <errno.h> #include <machine/joystick.h> #include <fcntl.h> #ifdef XFree86LOADER #include "misc.h" #include "xf86_libc.h" #endif #include "xf86.h" #define JS_RETURN sizeof(struct joystick) /*********************************************************************** * * xf86JoystickOn -- * * open the device and init timeout according to the device value. * *********************************************************************** */ int xf86JoystickOn(char * name, int *timeout, int *centerX, int *centerY) { int status; int changed = 0; int timeinmicros; struct joystick js; #ifdef DEBUG ErrorF("xf86JoystickOn: %s\n", name); #endif if ((status = open(name, O_RDWR | O_NDELAY, 0)) < 0) { xf86Msg(X_WARNING, "xf86JoystickOn: Cannot open joystick '%s' (%s)\n", name, strerror(errno)); return -1; } if (*timeout <= 0) { /* Use the current setting */ ioctl(status, JOY_GETTIMEOUT, (char *)&timeinmicros); *timeout = timeinmicros / 1000; if (*timeout == 0) *timeout = 1; changed = 1; } /* Maximum allowed timeout in the FreeBSD driver is 10ms */ if (*timeout > 10) { *timeout = 10; changed = 1; } if (changed) xf86Msg(X_PROBED, "Joystick: timeout value = %d\n", *timeout); timeinmicros = *timeout * 1000; /* Assume the joystick is centred when this is called */ read(status, &js, JS_RETURN); if (*centerX < 0) { *centerX = js.x; xf86Msg(X_PROBED, "Joystick: CenterX set to %d\n", *centerX); } if (*centerY < 0) { *centerY = js.y; xf86Msg(X_PROBED, "Joystick: CenterY set to %d\n", *centerY); } return status; } /*********************************************************************** * * 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 joystick 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.b1 | (js.b2 << 1); #ifdef DEBUG ErrorF("xf86JoystickGetState: x = %d, y = %d, buttons = %d\n", *x, *y, *buttons); #endif return 1; } #ifdef XFree86LOADER /* * Entry point for XFree86 Loader */ void bsd_jstkModuleInit(pointer *data, INT32 *magic) { *magic = MAGIC_DONE; *data = NULL; } #endif /* end of bsd_jstk.c */