359 lines
15 KiB
Groff
359 lines
15 KiB
Groff
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.TH wiiscan 1 "26 Mar 2009"
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.SH NAME
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\fIwiiscan\fP - a connection utility for wii console remotes
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.SH SYNOPSIS
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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]
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.SH OVERVIEW
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\fIwiiscan\fP 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.
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The main feature of \fIwiiscan\fP 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
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.TP 8
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.B Delete wiimote hardware HID bluetooth entry:
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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.
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.TP 8
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.B Cycle USB bus:
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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!.
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.TP 8
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.B Scan for wiimote:
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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 dependent on the former step to be finished. Hence a number of tunable 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.
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.TP 8
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A note on USB voltage cycling:
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This software solution is able to restart the wiimote in discoverable 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.
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So this is a non-intrusive fix to the so called "Ladder problem" (http:\/\/wyxs.net/web/wiimote/digital_whiteboard.html).
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Power control over USB hubs is dependent on the particular hub devices, and disabling the power may not be possible for a single USB port only. \fIwiiscan\fP uses a trick of disabling all USB hubs and then only enable and disable a singe hub.
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Disabling all hubs is a precondition to running \fIwiiscan\fP 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)
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devcon disable "@PCI\VEN_8086&DEV_293*&SUBSYS_20F117AA&REV_03\3&B1BfB6*"
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devcon disable "@PCI\VEN_8086&DEV_293*&SUBSYS_20F017AA&REV_03\3&B1BfB6*"
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being careful that the pattern matches only our USB hubs!. You can test this by
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devcon status "@PCI\VEN_8086&DEV_293*&SUBSYS_20F117AA&REV_03\3&B1BfB6*"
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devcon status "@PCI\VEN_8086&DEV_293*&SUBSYS_20F017AA&REV_03\3&B1BfB6*"
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A single USB now may be enabled or disabled by
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devcon disable @PCI\VEN_8086*DEV_2934*SUBSYS_20F017AA*
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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).
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.TP 8
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NOTE: The configuration file of wiiscan contains the particular system dependent USB hub pattern matches.
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.TP 8
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NOTE: be careful of connecting other devices to the USB bus, since the power cycle may cause severe interfere with the device.
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.SH DESCRIPTION
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.TP 8
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.B -a <device>
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auto-connect to a device.
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.TP 8
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.B -c <device>
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connects to a device.
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.TP 8
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.B -d <device>
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deletes a device, clears HID and bluetooth registry entries.
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.TP 8
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.B -r
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looks for active internal bluetooth radio devices.
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.TP 8
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.B -s
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scans for external bluetooth devices.
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.TP 8
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.B -usbup
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turn the USB hub on.
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.TP 8
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.B -usbdown
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turn the USB hub off.
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.TP 8
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Default mode: wiiscan -a " Nintendo RVL-CNT-01"
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.TP 8
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Note: "nintendo" is a shortcut for "Nintendo RVL-CNT-01"
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.SH OPTIONS
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.TP 8
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.B -cf <file>
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load a specific configuration file.
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.TP 8
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.B -lf <file>
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specify a distinct logfile.
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.TP 8
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.B -b <sleep>
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auto-mode bluetooth connection sleep in milliseconds.
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.TP 8
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.B -t <sleep>
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bluetooth scanning interval in milliseconds.
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.TP 8
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.B -u <sleep>
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auto-mode USB connection sleep in milliseconds.
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.TP 8
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.B -p <sleep>
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automode usbm post-connection sleep in milliseconds.
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.TP 8
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.B -w <sleep>
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timeout for wiimote in milliseconds.
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.TP 8
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.B -q <usbradio>
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use bluetooth radio with this address. Note, this functionality is not working yet.
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.TP 8
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.B -f <removemode>
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pre-remove mode of device, 0=remove if not connectable, 1=always remove, 2=never remove
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.TP 8
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.B -m <powermode>
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choose USB powercycle mode, 0=no power cycle, 1=use USB hub, 2=use USBm IO hardware, 3=use USB Delcon IO hardware.
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.TP 8
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.B -l <wiilibrary>
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use specific wiimote library, lib can be one-of (wiiuse,wiimotelib).
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.TP 8
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.B -y
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scan retries in automode.
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.TP 8
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.B -wb
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start whiteboard in auto-mode
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.TP 8
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.B -v
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enable extra debugging printouts
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.SH FILES
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\fIwiiscan\fP looks for a file names wiiscan.ini when executing in the automode. See detail in the file.
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.SH TIMING
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Various timing parametes can be set on the command line or in the inifile. The process of connecting is
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.TP 8
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1: USB power down
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.TP 8
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2: Delete old HID entries
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.TP 8
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3: Sleep at least option_usbsleep (from 1) before commencing
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.TP 8
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4: USB power up
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.TP 8
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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.
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.TP 8
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6: Find and wiimote and connect. Scan bluetooth the duration in option_timeout.
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.TP 8
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7: Sleep option_btsleep before commencing; waiting for HID entries and new-hardware-found to finish in windows.
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.TP 8
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8: Connect to the wiimote, Scan for wiimotes using the duration option_wiitimeout.
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.SH EXAMPLE
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Scanning for devices nearby:
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wiiscan -s
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Auto-connect to a nintendo device, scan bluetooth for four seconds, verbose on, and enable start of whiteboard software after a successful connection
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wiiscan -a nintendo -t 4000 -v -wb
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Cycle USB bus voltage
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wiiscan -usbdown
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wiiscan -usbup
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.SH COMPILING
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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 \fIwiiscan\fP with just the wiiuse binaries is the easiest option.
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It does not work on Windows 2000, and has not been tried out on a Vista system.
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.SH TESTED SYSTEMS
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The \fIwiiscan\fP has been tested on a Lenovo Thinkpad R500, XP professional (without build-in bluetooth) with a Trendnet TBW-102UB bluetooth dongle, and on a ASUS eeePC 1000H with XP home.
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Only the MS bluetooth stack was tested.
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.TP 8
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.B Lenovo setup
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Windows XP professional, version 2002, SP2
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USB dongle: Trendnet TBW-102UB bluetooth(Broadcom Ultimate Low Cost Bluetooth 2.0+EDR USB), date 24-02-2004, driver 5.1.2535.0
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Microsoft BT stack: date 03-08-2004, driver 5.1.2600.2180
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.TP 8
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.B eee setup
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Windows XP home, version 2002, SP3
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USB dongle: buildin Azware BT252, date 13-04-2008, driver 5.1.2600.5512
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Microsoft BT stack: date 13-04-2008, driver 5.1.2600.5512
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.SH BUGS
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.TP 8
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.B 1: restart pop-up (FIXED)
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Installing new hardware causes windows to require restart. Happens 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".
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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!
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.TP 8
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.B 2: discoverable mode fast shutdown (FIXED)
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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.
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Pressing one button only "1" or "2" makes the wiimote blink for a short time, but it is not really discoverable.
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FIX: Initialization of wiilib has been rewritten, making it recall the HID inialization routine. Code for testing the wiimote connection has also been introduced.
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.TP 8
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.B 3: buttons not working (OPEN)
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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.
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.TP 8
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.B 4: radio null (OPEN)
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Sometimes the BT radio fails to reinitialize after a USB down/up flip, this means that "RadioInfo(timeout,true,dbg)"return NULL. Can be fixed by placing the bluetooth radio device on another bus than the USB.
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.TP 8
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.B 5: keep blinking (OPEN)
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Sometimes the wiimote is found and connected OK, but the LEDs keeps blinking (normal connect mode:
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LEDs are turned permanently on). This does however not affect connectability, and the wiimote does not turn off again automatically.
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.TP 8
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.B 6: failed to find wiimote (OPEN)
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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.
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.TP 8
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.B 7: remove failed (OPEN)
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Sometimes the remove steps fails, but this may be non-fatal
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Removing device <Nintendo RVL-CNT-01>
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** error: failed to find device
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Done [FAILED]
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.TP 8
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.B 8; balloon-tips (FIXED)
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Balloon-tips are annoying when connecting new hardware. Small fix: do
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Windows Registry Editor Version 5.00
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[HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\Advanced]
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"EnableBalloonTips"=dword:00000000
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.TP 8
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.B 9: double delete (FIXED)
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Double delete of nintendo device may cause BluetoothFindFirstDevice() to return null Fixed by removing the throw, replacing it with a "if (hbf()==NULL) then return false"
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.TP 8
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.B 10: BSoD (OPEN)
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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).
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Only happens for MS bluetooth stack version "Microsoft BT stack: date 03-08-2004, driver 5.1.2600.2180" (Lenovo version).
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.TP 8
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.B 11: New Hardware found wizard (OPEN)
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Sometimes the wizard appears out of the blue, when deleting the HID entry and trying to reinstall it. It is the call BluetoothSetServiceState(...) that messes the Window system up. Disabling 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.
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.TP 8
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.B 12: Devcon hangs (FIXED)
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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.
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FIX: reboot the machine.
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.TP 8
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.B 13: Open Device fails to find a Nintendo (PARTLY FIXED)
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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.
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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.
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.TP 8
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.B 14: Wiiscan fails to run (FIXED)
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Running wiiscan in a dosbox makes it terminate immidiatly. Running the tray version, or under MS VS Express causes it to display an missing DLL dialog (msvcp90.dll and friends).
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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.
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.TP 8
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.B 15: BluetoothFindFirstDevice() stalls (FIXED)
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The BluetoothFindFirstDevice() sometimes newer returns. Happens only for MS stack version
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"Microsoft BT stack: date 13-04-2008, driver 5.1.2600.5512" (eee stack).
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Code stalls here:
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DeviceAutoClose<HBLUETOOTH_DEVICE_FIND,BOOL> hbf(BluetoothFindFirstDevice(&bdsp,&bdi),&BluetoothFindDeviceClose);
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FIX: start the BluetoothFindFirstDevice() function in a thread, terminate the thread if it has run for longer than, say 2+timeout.
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.TP 8
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.B 16: Wiimote drops connection after scanning (PARTLY FIXED)
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If a connection attempt goes well until the last part, it is most likely due to low-power batteries. The final stage of connecting draw extra power, that might cause the wiimote to shutdown.
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.SH SEE ALSO
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.TP 8
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.B wiiuse
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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.
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Licensed under GNU GPLv3 and GNU LGPLv3 (non-commercial) by Michael Laforest,
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(http:\/\/www.wiiuse.net/)
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.TP 8
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.B Wiimote Whiteboard
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Whiteboard software by Johnny Chung Lee.
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(http:\/\/www.cs.cmu.edu/~johnny/projects/wii/, http:\/\/www.wiimoteproject.com/)
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.TP 8
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.B devcon(1)
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USB management software.
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(http:\/\/support.microsoft.com/kb/311272)
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.SH VERSION
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Version 0.9 NDEBUG
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.SH AUTHOR
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Carsten Frigaard, Mergeit ApS, Kongsvang Allé 37, DK-8000 Århus C, www.mergit.dk
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.SH COPYRIGHT
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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.
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