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wiiscan(1) wiiscan(1)
NAME
wiiscan - a connection utility for wii console remotes
SYNOPSIS
wiiscan <-a <device> | -c <device> | -d <device> | -r | -s | -usbup |
-usbdown> > [-cf <file>] [-lf <file>] [-b <sleep>] [-t <sleep>] [-u
<sleep>] [-p <sleep>] [-w <sleep>] [-q <usbradio>] [-f <removemode>]
[-m <powermode>] [-l <wiilibrary>] [-wb] [-v]
OVERVIEW
wiiscan is a canvas function for a number of different scanning and
connection utilities. It can detect build-in bluetooth radios, scan for
nearby bluetooth devices, connect to a specific device and remove that
device again from the hardware.
The main feature of wiiscan is to automatically connect to a wii remote
(wiimote). This can be quiet cumbersome on a Windows system, and the
nesseccary steps for doing a robust, working connection is done by
Delete wiimote hardware HID bluetooth entry:
delete old entries of the wiimote in the bluetooth hardware. On
some windows system the wiimote is readily detected, after the
first manually installation. Pressing the "1-2" makes the
wiimote discoverable. On other systems (including mine), any
attempt to connect to the wiimote, after one successful or un-
successful connection attempt, will always fail! Removing the
HID and wiimote registry entries before the next attempt cures
this feature.
Cycle USB bus:
the wiimote can be switched automatically to discoverable mode,
if the power is briefly cut from the device. This can be done
on a wiimote powered by the USB +5 volt (with a proper voltage
regulator to bring it under +3 volt). This step hence turns the
USB hub off, killing the power, and turns it on again. The
"1-2" buttons on the wiimote must be pressed at all times, done
by say some tape or gaffa!.
Scan for wiimote:
now comes the main part of the connection; scanning for a
wiimote. This includes bringing up the bluetooth radio device,
initialize seek parameters, scanning and matching for a device
name or address, connecting to a matched device, installing the
HID interface (that was removed in the first step), and finally
trying to open the wiimote and reading some data from it. All
steps involve a time variable, meaning that say installing the
HID causes some windows registry fiddling, that takes a rather
variable amount of time, and the next step is critically depen‐
dent on the former step to be finished. Hence a number of tun‐
able waiting variable is introduced, Important is to being able
to reach the final connection step before the wiimote goes out
of the discoverable mode and automatically turns off.
A note on USB voltage cycling:
This software solution is able to restart the wiimote in dis‐
coverable mode automatically. But this require that the wiimote
is powered by a USB cable to the PC and that the "1-2" button
combination is permanently pressed. Cycling the power for the
wiimote with the "1-2" buttons pressed enables the discoverable
mode, and the continuously pressing "1-2" does not interfere
with wiimote operations hereafter.
So this is a non-intrusive fix to the so called "Ladder prob‐
lem" (http:wyxs.net/web/wiimote/digital_whiteboard.html).
Power control over USB hubs is dependent on the particular hub
devices, and disabling the power may not be possible for a sin‐
gle USB port only. wiiscan uses a trick of disabling all USB
hubs and then only enable and disable a singe hub.
Disabling all hubs is a precondition to running wiiscan and it
can be accomblised by either going into "Control Panel | System
| Hardware | Device manager", and manually disable all USB hubs
or by using "devcon", say (careful, these commands applies only
to my system)
devcon disable "@PCIN_8086&DEV_293*&SUB‐
SYS_20F117AA&REV_033&B1BfB6*"
devcon disable "@PCIN_8086&DEV_293*&SUB‐
SYS_20F017AA&REV_033&B1BfB6*"
being careful that the pattern matches only our USB hubs!. You
can test this by
devcon status "@PCIN_8086&DEV_293*&SUB‐
SYS_20F117AA&REV_033&B1BfB6*"
devcon status "@PCIN_8086&DEV_293*&SUB‐
SYS_20F017AA&REV_033&B1BfB6*"
A single USB now may be enabled or disabled by
devcon disable @PCIN_8086*DEV_2934*SUBSYS_20F017AA*
again with the particular address for your system as a variable
you need to lookup. The voltage on the USB bus can now be
checked Using a voltmeter (see details in
http:wyxs.net/web/wiimote/digital_whiteboard.html).
NOTE: The configuration file of wiiscan contains the particular system
dependent USB hub pattern matches.
NOTE: be careful of connecting other devices to the USB bus, since the
power cycle may cause severe interfere with the device.
DESCRIPTION
-a <device>
auto-connect to a device.
-c <device>
connects to a device.
-d <device>
deletes a device, clears HID and bluetooth registry entries.
-r looks for active internal bluetooth radio devices.
-s scans for external bluetooth devices.
-usbup turn the USB hub on.
-usbdown
turn the USB hub off.
Default mode: wiiscan -a " Nintendo RVL-CNT-01"
Note: "nintendo" is a shortcut for "Nintendo RVL-CNT-01"
OPTIONS
-cf <file>
load a specific configuration file.
-lf <file>
specify a distinct logfile.
-b <sleep>
auto-mode bluetooth connection sleep in milliseconds.
-t <sleep>
bluetooth scanning interval in milliseconds.
-u <sleep>
auto-mode USB connection sleep in milliseconds.
-p <sleep>
automode usbm post-connection sleep in milliseconds.
-w <sleep>
timeout for wiimote in milliseconds.
-q <usbradio>
use bluetooth radio with this address. Note, this functionality
is not working yet.
-f <removemode>
pre-remove mode of device, 0=remove if not connectable,
1=always remove, 2=never remove
-m <powermode>
choose USB powercycle mode, 0=no power cycle, 1=use USB hub,
2=use USBm IO hardware, 3=use USB Delcon IO hardware.
-l <wiilibrary>
use specific wiimote library, lib can be one-of
(wiiuse,wiimotelib).
-y scan retries in automode.
-wb start whiteboard in auto-mode
-v enable extra debugging printouts
FILES
wiiscan looks for a file names wiiscan.ini when executing in the auto‐
mode. See detail in the file.
TIMING
Various timing parametes can be set on the command line or in the
inifile. The process of connecting is
1: USB power down
2: Delete old HID entries
3: Sleep at least option_usbsleep (from 1) before commencing
4: USB power up
5: Sleep at least option_usbmsleep (from 3) before commencing. Sleep is
only nesseccary for USBmicro devices, since step 4 is much faster using
this device compared to the USB hub.
6: Find and wiimote and connect. Scan bluetooth the duration in
option_timeout.
7: Sleep option_btsleep before commencing; waiting for HID entries and
new-hardware-found to finish in windows.
8: Connect to the wiimote, Scan for wiimotes using the duration
option_wiitimeout.
EXAMPLE
Scanning for devices nearby:
wiiscan -s
Auto-connect to a nintendo device, scan bluetooth for four seconds,
verbose on, and enable start of whiteboard software after a successful
connection
wiiscan -a nintendo -t 4000 -v -wb
Cycle USB bus voltage
wiiscan -usbdown
wiiscan -usbup
COMPILING
The source code can be compiled with MS Visual C++ Express 2008
(http:www.microsoft.com/express/vc/) or similar. It also needs wiiuse
dlls (http:www.wiiuse.net/). If wiiuse is to be compiled by it self it
needs Windows SDK and DDK, but running wiiscan with just the wiiuse
binaries is the easiest option.
It does not work on Windows 2000, and has not been tried out on a Vista
system.
TESTED SYSTEMS
The wiiscan has been tested on a Lenovo Thinkpad R500, XP professional
(without build-in bluetooth) with a Trendnet TBW-102UB bluetooth don‐
gle, and on a ASUS eeePC 1000H with XP home.
Only the MS bluetooth stack was tested.
Lenovo setup
Windows XP professional, version 2002, SP2 USB dongle: Trendnet
TBW-102UB bluetooth(Broadcom Ultimate Low Cost Bluetooth
2.0+EDR USB), date 24-02-2004, driver 5.1.2535.0 Microsoft BT
stack: date 03-08-2004, driver 5.1.2600.2180
eee setup
Windows XP home, version 2002, SP3 USB dongle: buildin Azware
BT252, date 13-04-2008, driver 5.1.2600.5512 Microsoft BT
stack: date 13-04-2008, driver 5.1.2600.5512
BUGS
1: restart pop-up (FIXED)
Installing new hardware causes windows to require restart. Hap‐
pens once in a while, balloon pop-ups reports hardware, that
where installed but not working properly. A restart pop-up
wants to reboot the PC. Small fix: just delete the device and
re-run "wiiscan -c nintendo".
FIX: the 'Change of systemsettings ... Do you want to reboot
now?' popup, happens only when the program runs for longer than
19 seconds. Keeping the connection time within 19 sec seems to
cure the problem, Adding a sleep at the end of the program, say
Sleep(20000) will eventually bring up the dialog again. The
dialog can anyway safly be ignored!
2: discoverable mode fast shutdown (FIXED)
Sometimes the wiimote goes quickly out of discoverable mode, it
takes it only about 3 seconds from turn-on to turn-off. This
makes it hard to obtain a connection to it. Both my wiimotes
does this once in a while, after failed connection attempts.
Pressing one button only "1" or "2" makes the wiimote blink for
a short time, but it is not really discoverable.
FIX: Initialization of wiilib has been rewritten, making it
recall the HID inialization routine. Code for testing the
wiimote connection has also been introduced.
3: buttons not working (OPEN)
Pressing the 1-2 button combination sometimes fails to turn-on
the wiimote, pressing sync or power makes it work again. The
the "1-2 button freeze" happens after a failed connection
attempt. See also bug-2.
4: radio null (OPEN)
Sometimes the BT radio fails to reinitialize after a USB
down/up flip, this means that "RadioInfo(time‐
out,true,dbg)"return NULL. Can be fixed by placing the blue‐
tooth radio device on another bus than the USB.
5: keep blinking (OPEN)
Sometimes the wiimote is found and connected OK, but the LEDs
keeps blinking (normal connect mode: LEDs are turned perma‐
nently on). This does however not affect connectability, and
the wiimote does not turn off again automatically.
6: failed to find wiimote (OPEN)
Wiimote failed to find devices. This may be a non-fatal error
or an error caused by an undervolted wiimote. The
"wiiuse_find(0x0,4,2/4/6)" keeps returning 0.
7: remove failed (OPEN)
Sometimes the remove steps fails, but this may be non-fatal
Removing device <Nintendo RVL-CNT-01>
** error: failed to find device
Done [FAILED]
8; balloon-tips (FIXED)
Balloon-tips are annoying when connecting new hardware. Small
fix: do
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVer‐
sion\Explorer1]
"EnableBalloonTips"=dword:00000000
9: double delete (FIXED)
Double delete of nintendo device may cause BluetoothFindFirst‐
Device() to return null Fixed by removing the throw, replacing
it with a "if (hbf()==NULL) then return false"
10: BSoD (OPEN)
The "Blue Screen of Death" was encountered a number of times,
indicating a errorneous device driver. The cause may be in the
MS bluetooth stack or in the wiiuse lib. The BSoD mainly
occured in the first phase of this project and havent been seen
for a while with the current version (v0.7).
Only happens for MS bluetooth stack version "Microsoft BT
stack: date 03-08-2004, driver 5.1.2600.2180" (Lenovo version).
11: New Hardware found wizard (OPEN)
Sometimes the wizard appears out of the blue, when deleting the
HID entry and trying to reinstall it. It is the call Bluetooth‐
SetServiceState(...) that messes the Window system up. Dis‐
abling the wizard or disabling the Plug and play system do not
seem to be an option, since the HID then newer get installed,
and ends up in a failty state. A reboot of the system does not
cure this defect.
12: Devcon hangs (FIXED)
The devcon commands sometimes hangs at the diable USB command.
The state of the USB controllers, and BT devices are undefined
(some BT devices disabled, others not) and manually trying to
disable or enable the USB constroller fails. A status on the
USB device gives a strange result.
FIX: reboot the machine.
13: Open Device fails to find a Nintendo (PARTLY FIXED)
When opening a named nintendo device, say 'Nintendo RVL-
CNT-01', the bluetooth fails to get the name from the device.
This results in an empty name, and hence matching on the name
fails.
FIX: use a device adresss instead of a name. Put, say
'allowed_wiimote_adr=00:19:FD:CC:60:61 00:19:1D:D6:65:E5' in
the ini file.
14: Wiiscan fails to run (FIXED)
Running wiiscan in a dosbox makes it terminate immidiatly. Run‐
ning the tray version, or under MS VS Express causes it to dis‐
play an missing DLL dialog (msvcp90.dll and friends).
FIX: this is a MS bug, but can be fixed by setting the MT
library in the project setting to use static libraries instead
of dynamic DLLs.
15: BluetoothFindFirstDevice() stalls (FIXED)
The BluetoothFindFirstDevice() sometimes newer returns. Happens
only for MS stack version "Microsoft BT stack: date 13-04-2008,
driver 5.1.2600.5512" (eee stack).
Code stalls here:
DeviceAutoClose<HBLUETOOTH_DEVICE_FIND,BOOL> hbf(BluetoothFind‐
FirstDevice(&bdsp,&bdi),&BluetoothFindDeviceClose);
FIX: start the BluetoothFindFirstDevice() function in a thread,
terminate the thread if it has run for longer than, say 2+time‐
out.
16: Wiimote drops connection after scanning (PARTLY FIXED)
If a connection attempt goes well until the last part, it is
most likely due to low-power batteries. The final stage of con‐
necting draw extra power, that might cause the wiimote to shut‐
down.
SEE ALSO
wiiuse Wiiuse is a library written in C that connects with several
Nintendo Wii remotes. Supports motion sensing, IR tracking,
nunchuk, classic controller, and the Guitar Hero 3 controller.
Single threaded and nonblocking makes a light weight and clean
API.
Licensed under GNU GPLv3 and GNU LGPLv3 (non-commercial) by
Michael Laforest,
(http:www.wiiuse.net/)
Wiimote Whiteboard
Whiteboard software by Johnny Chung Lee.
(http:www.cs.cmu.edu/~johnny/projects/wii/,
http:www.wiimoteproject.com/)
devcon(1)
USB management software.
(http:support.microsoft.com/kb/311272)
VERSION
Version 0.9 NDEBUG
AUTHOR
Carsten Frigaard, Mergeit ApS, Kongsvang Allé 37, DK-8000 Århus C,
www.mergit.dk
COPYRIGHT
Copyright © 2009 MergeIt, Aps. License LGPL3 : GNU lesser GPL, version
3, <http:www.gnu.org/licenses/lgpl.txt>. This is free software: you are
free to change and redistribute it. There is NO WARRANTY, to the extent
permitted by law.
26 Mar 2009 wiiscan(1)
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