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Created April 7, 2016 13:52
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xpad.c to emulate keyboard
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xpad.c
/*
* Xbox input device driver for Linux - v0.1.6
*
* Copyright (c) 2002 - 2004 Marko Friedemann <mfr@bmx-chemnitz.de>
*
* Contributors:
* Vojtech Pavlik <vojtech@suse.sz>,
* Oliver Schwartz <Oliver.Schwartz@gmx.de>,
* Thomas Pedley <gentoox@shallax.com>,
* Steven Toth <steve@toth.demon.co.uk>,
* Franz Lehner <franz@caos.at>,
* Ivan Hawkes <blackhawk@ivanhawkes.com>
* Edgar Hucek <hostmaster@ed-soft.at>
* Niklas Lundberg <niklas@jahej.com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* This driver is based on:
* - information from http://euc.jp/periphs/xbox-controller.en.html
* - the iForce driver drivers/char/joystick/iforce.c
* - the skeleton-driver drivers/usb/usb-skeleton.c
*
* Thanks to:
* - ITO Takayuki for providing essential xpad information on his website
* - Vojtech Pavlik - iforce driver / input subsystem
* - Greg Kroah-Hartman - usb-skeleton driver
*
* TODO:
* - fine tune axes
* - NEW: Test right thumb stick Y-axis to see if it needs flipping.
* - NEW: get rumble working correctly, fix all the bugs and support multiple
* simultaneous effects
* - NEW: split funtionality mouse/joustick into two source files
* - NEW: implement /proc interface (toggle mouse/rumble enable/disable, etc.)
* - NEW: implement user space daemon application that handles that interface
*
* History: moved to end of file
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/smp_lock.h>
#include <linux/usb/input.h>
#include <linux/version.h>
#include <linux/timer.h>
#include <asm/uaccess.h>
#include "xpad.h"
static unsigned long debug = 0;
static int keyboard = 101;
module_param(debug, ulong, 0444);
MODULE_PARM_DESC(debug, "Debugging");
module_param(keyboard,uint, 101);
MODULE_PARM_DESC(keyboard, "set to zero to de-activate keyboard support on insmod (default 101)" );
static const struct xpad_device xpad_device[] = {
/* please keep those ordered wrt. vendor/product ids
vendor, product, isMat, name, is360 */
{ 0x044f, 0x0f07, 0, "Thrustmaster, Inc. Controller", 0},
{ 0x045e, 0x0202, 0, "Microsoft Xbox Controller", 0},
{ 0x045e, 0x0285, 0, "Microsoft Xbox Controller S", 0},
{ 0x045e, 0x0287, 0, "Microsoft Xbox Controller S", 0},
{ 0x045e, 0x0289, 0, "Microsoft Xbox Controller S", 0}, /* microsoft is stupid */
{ 0x045e, 0x028e, 0, "Microsoft Xbox 360 Controller", 1},
{ 0x046d, 0xca84, 0, "Logitech Xbox Cordless Controller", 0},
{ 0x046d, 0xca88, 0, "Logitech Compact Controller for Xbox", 0},
{ 0x05fd, 0x1007, 0, "???Mad Catz Controller???", 0}, /* CHECKME: this seems strange */
{ 0x05fd, 0x107a, 0, "InterAct PowerPad Pro", 0},
{ 0x0738, 0x4516, 0, "Mad Catz Control Pad", 0},
{ 0x0738, 0x4522, 0, "Mad Catz LumiCON", 0},
{ 0x0738, 0x4526, 0, "Mad Catz Control Pad Pro", 0},
{ 0x0738, 0x4536, 0, "Mad Catz MicroCON", 0},
{ 0x0738, 0x4540, 1, "Mad Catz Beat Pad", 0},
{ 0x0738, 0x4556, 0, "Mad Catz Lynx Wireless Controller", 0},
{ 0x0738, 0x6040, 1, "Mad Catz Beat Pad Pro", 0},
{ 0x0c12, 0x8802, 0, "Zeroplus Xbox Controller", 0},
{ 0x0c12, 0x8809, 0, "Level Six Xbox DDR Dancepad", 0},
{ 0x0c12, 0x8810, 0, "Zeroplus Xbox Controller", 0},
{ 0x0c12, 0x9902, 0, "HAMA VibraX - *FAULTY HARDWARE*", 0}, /* these are broken */
{ 0x0e4c, 0x1097, 0, "Radica Gamester Controller", 0},
{ 0x0e4c, 0x2390, 0, "Radica Games Jtech Controller", 0},
{ 0x0e6f, 0x0003, 0, "Logic3 Freebird wireless Controller", 0},
{ 0x0e6f, 0x0005, 0, "Eclipse wireless Controller", 0},
{ 0x0e6f, 0x0006, 0, "Edge wireless Controller", 0},
{ 0x0e6f, 0x000c, 0, "PELICAN PL-2047", 0},
{ 0x0e8f, 0x0201, 0, "SmartJoy Frag Xpad/PS2 adaptor", 0},
{ 0x0f30, 0x0202, 0, "Joytech Advanced Controller", 0},
{ 0x0f30, 0x8888, 0, "BigBen XBMiniPad Controller", 0},
{ 0x102c, 0xff0c, 0, "Joytech Wireless Advanced Controller", 0},
{ 0x12ab, 0x8809, 1, "Xbox DDR dancepad", 0},
{ 0xffff, 0xffff, 0, "Chinese-made Xbox Controller", 0}, /* WTF are device IDs for? */
{ 0x0000, 0x0000, 0, "nothing detected - FAIL", 0}
};
static const signed short xpad_btn[] = {
BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, /* analogue buttons */
BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */
BTN_0, BTN_1, BTN_2, BTN_3, /* d-pad as buttons */
BTN_TL, BTN_TR, /* Button LB/RB */
BTN_MODE, /* The big X */
KEY_DOWN,KEY_UP,KEY_LEFT,KEY_RIGHT,KEY_ENTER,KEY_ESC,KEY_SPACE, /* keyboard simulation */
-1 /* terminating entry */
};
static const signed short xpad_mat_btn[] = {
BTN_A, BTN_B, BTN_X, BTN_Y, /* A, B, X, Y */
BTN_START, BTN_BACK, /* start/back */
BTN_0, BTN_1, BTN_2, BTN_3, /* directions */
KEY_DOWN,KEY_UP,KEY_LEFT,KEY_RIGHT,KEY_ENTER,KEY_ESC,KEY_SPACE, /* keyboard simulation */
-1 /* terminating entry */
};
static const signed short xpad_abs[] = {
ABS_X, ABS_Y, /* left stick */
ABS_RX, ABS_RY, /* right stick */
ABS_Z, ABS_RZ, /* triggers left/right */
ABS_HAT0X, ABS_HAT0Y, /* digital pad */
ABS_HAT1X, ABS_HAT1Y, /* analogue buttons A + B */
ABS_HAT2X, ABS_HAT2Y, /* analogue buttons C + X */
ABS_HAT3X, ABS_HAT3Y, /* analogue buttons Y + Z */
-1 /* terminating entry */
};
static struct usb_device_id xpad_table [] = {
{ USB_INTERFACE_INFO('X', 'B', 0) }, /* Xbox USB-IF not approved class */
{ USB_INTERFACE_INFO( 3 , 0 , 0) }, /* for Joytech Advanced Controller */
{ USB_INTERFACE_INFO( 255 , 93 , 1) }, /* Xbox 360 */
{ }
};
MODULE_DEVICE_TABLE(usb, xpad_table);
/**
* xpad_process_packet
*
* Completes a request by converting the data into events
* for the input subsystem.
*
* The report descriptor was taken from ITO Takayukis website:
* http://euc.jp/periphs/xbox-controller.en.html
*/
static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data, struct pt_regs *regs)
{
struct input_dev *dev = xpad->dev;
int i;
input_regs(dev, regs);
if(debug) {
printk(KERN_INFO "xpad_debug: data :");
for(i = 0; i < 20; i++) {
printk("0x%02x ", data[i]);
}
printk("\n");
}
/* digital pad (button mode) bits (3 2 1 0) (right left down up) */
//input_report_key(dev, BTN_0, (data[2] & 0x01));
//input_report_key(dev, BTN_1, (data[2] & 0x08) >> 3);
//input_report_key(dev, BTN_2, (data[2] & 0x02) >> 1);
//input_report_key(dev, BTN_3, (data[2] & 0x04) >> 2);
/* start and back buttons */
//input_report_key(dev, BTN_START, (data[2] & 0x10) >> 4);
//input_report_key(dev, BTN_BACK, (data[2] & 0x20) >> 5);
if (keyboard) {
input_report_key(dev, KEY_RIGHT, (data[2] & 0x08) >> 3);
input_report_key(dev, KEY_LEFT, (data[2] & 0x04) >> 2);
input_report_key(dev, KEY_DOWN, (data[2] & 0x02) >> 1);
input_report_key(dev, KEY_UP, (data[2] & 0x01));
} else if (keyboard < 100) {
input_report_key(dev, BTN_0, (data[2] & 0x01));
input_report_key(dev, BTN_1, (data[2] & 0x08) >> 3);
input_report_key(dev, BTN_2, (data[2] & 0x02) >> 1);
input_report_key(dev, BTN_3, (data[2] & 0x04) >> 2);
}
/* start and back buttons */
if (keyboard%100 == 2) {
input_report_key(dev, KEY_ENTER, (data[2] & 0x10) >> 4);
input_report_key(dev, KEY_ESC, (data[2] & 0x20) >> 5);
} else if (keyboard < 100) {
input_report_key(dev, BTN_START, (data[2] & 0x10) >> 4);
input_report_key(dev, BTN_BACK, (data[2] & 0x20) >> 5);
}
/* stick press left/right */
if (keyboard)
input_report_key(dev, KEY_SPACE, (data[2] & 0x40) >> 6);
else
input_report_key(dev, BTN_THUMBL, (data[2] & 0x40) >> 6);
if (keyboard)
input_report_key(dev, KEY_SPACE, data[2] >> 7);
else
input_report_key(dev, BTN_THUMBR, data[2] >> 7);
/* buttons A, B, X, Y digital mode */
if(xpad->is360) {
input_report_key(dev, BTN_A, (data[3] & 0x10) >> 4);
input_report_key(dev, BTN_B, (data[3] & 0x20) >> 5);
input_report_key(dev, BTN_X, (data[3] & 0x80) >> 7);
input_report_key(dev, BTN_Y, (data[3] & 0x40) >> 6);
input_report_key(dev, BTN_TL, data[3] & 0x01 );
input_report_key(dev, BTN_TR, (data[3] & 0x02) >> 1);
input_report_key(dev, BTN_MODE, (data[3] & 0x04) >> 2);
} else {
// input_report_key(dev, BTN_A, data[4]);
// input_report_key(dev, BTN_B, data[5]);
// input_report_key(dev, BTN_X, data[6]);
// input_report_key(dev, BTN_Y, data[7]);
if (keyboard%100 == 1 || keyboard%100 > 3) {
input_report_key(dev, KEY_ENTER, data[4]);
input_report_key(dev, KEY_ESC, data[5]);
} else if (keyboard < 100) {
input_report_key(dev, BTN_A, data[4]);
input_report_key(dev, BTN_B, data[5]);
}
if (keyboard%100 == 3) {
input_report_key(dev, KEY_ENTER, data[6]);
input_report_key(dev, KEY_ESC, data[7]);
} else if (keyboard < 100) {
input_report_key(dev, BTN_X, data[6]);
input_report_key(dev, BTN_Y, data[7]);
}
}
if (xpad->isMat)
return;
/* left stick (Y axis needs to be flipped) */
if(xpad->is360) {
input_report_abs(dev, ABS_X, (__s16)(((__s16)data[7] << 8) | (__s16)data[6]));
input_report_abs(dev, ABS_Y, ~(__s16)(((__s16)data[9] << 8) | data[8]));
} else {
input_report_abs(dev, ABS_X, (__s16)(((__s16)data[13] << 8) | (__s16)data[12]));
input_report_abs(dev, ABS_Y, ~(__s16)(((__s16)data[15] << 8) | data[14]));
}
/* right stick */
if(xpad->is360) {
input_report_abs(dev, ABS_RX, (__s16)(((__s16)data[13] << 8) | (__s16)data[12]));
input_report_abs(dev, ABS_RY, (__s16)(((__s16)data[11] << 8) | (__s16)data[10]));
} else {
input_report_abs(dev, ABS_RX, (__s16)(((__s16)data[17] << 8) | (__s16)data[16]));
input_report_abs(dev, ABS_RY, (__s16)(((__s16)data[19] << 8) | (__s16)data[18]));
}
/* triggers left/right */
if(xpad->is360) {
input_report_abs(dev, ABS_Z, data[4]);
input_report_abs(dev, ABS_RZ, data[5]);
} else {
input_report_abs(dev, ABS_Z, data[10]);
input_report_abs(dev, ABS_RZ, data[11]);
}
if(!xpad->is360) {
/* digital pad (analogue mode): bits (3 2 1 0) (right left down up) */
input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04));
input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x01) - !!(data[2] & 0x02));
/* button A, B, X, Y analogue mode */
input_report_abs(dev, ABS_HAT1X, data[4]);
input_report_abs(dev, ABS_HAT1Y, data[5]);
input_report_abs(dev, ABS_HAT2Y, data[6]);
input_report_abs(dev, ABS_HAT3X, data[7]);
/* button C (black) digital/analogue mode */
if (keyboard < 100)
input_report_key(dev, BTN_C, data[8]);
input_report_abs(dev, ABS_HAT2X, data[8]);
/* button Z (white) digital/analogue mode */
if (keyboard < 100)
input_report_key(dev, BTN_Z, data[9]);
input_report_abs(dev, ABS_HAT3Y, data[9]);
}
input_sync(dev);
}
/**
* xpad_irq_in
*
* Completion handler for interrupt in transfers (user input).
* Just calls xpad_process_packet which does then emit input events.
*/
static void xpad_irq_in(struct urb *urb, struct pt_regs *regs)
{
struct usb_xpad *xpad = urb->context;
int retval;
switch (urb->status) {
case 0:
/* success */
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d",
__FUNCTION__, urb->status);
return;
default:
dbg("%s - nonzero urb status received: %d",
__FUNCTION__, urb->status);
goto exit;
}
xpad_process_packet(xpad, 0, xpad->idata, regs);
exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err("%s - usb_submit_urb failed with result %d",
__FUNCTION__, retval);
}
/**
* xpad_open
*
* Called when a an application opens the device.
*/
static int xpad_open(struct input_dev *dev)
{
struct usb_xpad *xpad = dev->private;
int status;
info("opening device");
xpad->irq_in->dev = xpad->udev;
if ((status = usb_submit_urb(xpad->irq_in, GFP_KERNEL))) {
err("open input urb failed: %d", status);
return -EIO;
}
if(!xpad->is360) {
xpad_rumble_open(xpad);
}
return 0;
}
/**
* xpad_close
*
* Called when an application closes the device.
*/
static void xpad_close(struct input_dev *dev)
{
struct usb_xpad *xpad = dev->private;
info("closing device");
usb_kill_urb(xpad->irq_in);
if(!xpad->is360) {
xpad_rumble_close(xpad);
}
}
/**
* xpad_probe
*
* Called upon device detection to find a suitable driver.
* Must return NULL when no xpad is found, else setup everything.
*/
static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct usb_xpad *xpad;
struct input_dev *input_dev;
struct usb_endpoint_descriptor *ep_irq_in;
int i;
int probedDevNum = -1; /* this takes the index into the known devices
array for the recognized device */
/* try to detect the device we are called for */
for (i = 0; xpad_device[i].idVendor; ++i) {
if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
(le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) {
probedDevNum = i;
break;
}
}
/* sanity check, did we recognize this device? if not, fail */
if ((probedDevNum == -1) || (!xpad_device[probedDevNum].idVendor &&
!xpad_device[probedDevNum].idProduct))
return -ENODEV;
xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
input_dev = input_allocate_device();
if (!xpad || !input_dev)
goto fail1;
xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN,
SLAB_ATOMIC, &xpad->idata_dma);
if (!xpad->idata)
goto fail1;
/* setup input interrupt pipe (button and axis state) */
xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
if (!xpad->irq_in)
goto fail2;
xpad->udev = udev;
xpad->dev = input_dev;
xpad->isMat = xpad_device[probedDevNum].isMat;
xpad->is360 = xpad_device[probedDevNum].is360;
usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
input_dev->name = xpad_device[probedDevNum].name;
input_dev->phys = xpad->phys;
usb_to_input_id(udev, &input_dev->id);
input_dev->cdev.dev = &intf->dev;
input_dev->private = xpad;
input_dev->open = xpad_open;
input_dev->close = xpad_close;
/* this was meant to allow a user space tool on-the-fly configuration
of driver options (rumble on, etc...)
yet, Vojtech said this is better done using sysfs (linux 2.6)
plus, it needs a patch to the input subsystem */
/* input_dev->ioctl = xpad_ioctl;*/
if (xpad->isMat) {
input_dev->evbit[0] = BIT(EV_KEY);
for (i = 0; xpad_mat_btn[i] >= 0; ++i)
set_bit(xpad_mat_btn[i], input_dev->keybit);
} else {
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
for (i = 0; xpad_btn[i] >= 0; ++i)
set_bit(xpad_btn[i], input_dev->keybit);
for (i = 0; xpad_abs[i] >= 0; ++i) {
signed short t = xpad_abs[i];
set_bit(t, input_dev->absbit);
switch (t) {
case ABS_X:
case ABS_Y:
case ABS_RX:
case ABS_RY: /* the two sticks */
input_set_abs_params(input_dev, t,
-32768, 32767, 16, 12000);
break;
case ABS_Z: /* left trigger */
case ABS_RZ: /* right trigger */
case ABS_HAT1X: /* analogue button A */
case ABS_HAT1Y: /* analogue button B */
case ABS_HAT2X: /* analogue button C */
case ABS_HAT2Y: /* analogue button X */
case ABS_HAT3X: /* analogue button Y */
case ABS_HAT3Y: /* analogue button Z */
input_set_abs_params(input_dev, t,
0, 255, 0, 0);
break;
case ABS_HAT0X:
case ABS_HAT0Y: /* the d-pad */
input_set_abs_params(input_dev, t,
-1, 1, 0, 0);
break;
}
}
if (!xpad->is360)
if (xpad_rumble_probe(udev, xpad, ifnum) != 0)
err("could not init rumble");
}
/* init input URB for USB INT transfer from device */
ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
usb_fill_int_urb(xpad->irq_in, udev,
usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
xpad, ep_irq_in->bInterval);
xpad->irq_in->transfer_dma = xpad->idata_dma;
xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
input_register_device(xpad->dev);
usb_set_intfdata(intf, xpad);
/* Turn off the LEDs on xpad 360 controllers */
if (xpad->is360) {
char ledcmd[] = {1, 3, 0}; /* The LED-off command for Xbox-360 controllers */
int j;
usb_bulk_msg(udev, usb_sndintpipe(udev,2), ledcmd, 3, &j, 0);
}
return 0;
fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
fail1: input_free_device(input_dev);
kfree(xpad);
return -ENOMEM;
}
/**
* xpad_disconnect
*
* Called upon device disconnect to dispose of the structures and
* close the USB connections.
*/
static void xpad_disconnect(struct usb_interface *intf)
{
struct usb_xpad *xpad = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
if (xpad) {
usb_kill_urb(xpad->irq_in);
if(!xpad->is360) {
xpad_rumble_close(xpad);
}
input_unregister_device(xpad->dev);
usb_free_urb(xpad->irq_in);
usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN,
xpad->idata, xpad->idata_dma);
if(!xpad->is360) {
xpad_rumble_disconnect(xpad);
}
kfree(xpad);
}
}
/******************* Linux driver framework specific stuff ************/
static struct usb_driver xpad_driver = {
.name = "xpad",
.probe = xpad_probe,
.disconnect = xpad_disconnect,
.id_table = xpad_table,
};
/**
* driver init entry point
*/
static int __init usb_xpad_init(void)
{
int result = usb_register(&xpad_driver);
if (result == 0)
info(DRIVER_DESC " " DRIVER_VERSION);
return result;
}
/**
* driver exit entry point
*/
static void __exit usb_xpad_exit(void)
{
usb_deregister(&xpad_driver);
}
module_init(usb_xpad_init);
module_exit(usb_xpad_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
/*
* driver history
* ----------------
*
* 2005-11-25 - 0.1.6 : Added Xbox 360 Controller support
*
* 2005-03-15 - 0.1.5 : Mouse emulation removed. Deadzones increased.
* - Flipped the Y axis of the left joystick (it was inverted, like on a
* flight simulator).
*
* 2003-05-15 - 0.1.2 : ioctls, dynamic mouse/rumble activation, /proc fs
* - added some /proc files for informational purposes (readonly right now)
* - added init parameters for mouse/rumble activation upon detection
* - added dynamic changes to mouse events / rumble effect generation via
* ioctls - NOTE: this requires a currently unofficial joydev patch!
*
* 2003-04-29 - 0.1.1 : minor cleanups, some comments
* - fixed incorrect handling of unknown devices (please try ir dongle now)
* - fixed input URB length (the 256 bytes from 0.1.0 broke everything for the
* MS controller as well as my Interact device, set back to 32 (please
* REPORT problems BEFORE any further changes here, since those can be fatal)
* - fixed rumbling for MS controllers (need 6 bytes output report)
* - dropped kernel-2.5 ifdefs, much more readable now
* - preparation for major rework under way, stay tuned
*
* 2003-03-25 - 0.1.0 : (Franz) Some Debuggin
* - Better Handling
* - X/Y support, Speed differenting
* - Landing Zone, Dead Zone, Offset kompensation, Zero-adjustment, .... aso.
* - Removed Wheel handling in Mouse Emulation .. sensless..
*
* 2003-01-23 - 0.1.0-pre : added mouse emulation and rumble support
* - can provide mouse emulation (compile time switch)
* this code has been taken from Oliver Schwartz' xpad-mouse driver
* - basic rumble support (compile time switch) EXPERIMENTAL!
*
* 2002-08-05 - 0.0.6 : added analog button support
*
* 2002-07-17 - 0.0.5 : (Vojtech Pavlik) rework
* - simplified d-pad handling
*
* 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3
* - verified the lack of HID and report descriptors
* - verified that ALL buttons WORK
* - fixed d-pad to axes mapping
*
* 2002-07-14 - 0.0.3 : (Vojtech Pavlik) rework
* - indentation fixes
* - usb + input init sequence fixes
*
* 2002-07-02 - 0.0.2 : basic working version
* - all axes and 9 of the 10 buttons work (german InterAct device)
* - the black button does not work
*
* 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller"
*/
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