 | | Re: broken motor, how to take apart?
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hi list! i once got a completely jammed motor from a brickbay seller. i took it apart and found a similiar situation. i was confused very much by the (ferrite?) magnet which isn't a solid block of metal, but some kind of debris which only holds (...) (24 years ago, 23-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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Besides the extra 258 you sent, 247 corresponds to a message command. There is no response expected from the RCX. What did you expect the RCX to react? Did you program anything in the RCX to react to the message you sent? (24 years ago, 23-Jan-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.4
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(...) Hmmm. I'm guessing here. Does your main window fill the entire screen when it starts up? Does the restore/maximize button contain an image that looks like a box with a dark black bar across the top? Or does the restore/maximize button contain (...) (24 years ago, 23-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.3.4
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Hi John, Sorry for the incorrectness: "the upper right restore/maximize button still doesn't work" is the button of the Main Window. The child window is working OK. I made also an mistake on the tree request: It should be variables (and not (...) (24 years ago, 23-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.3.4
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(...) I'm not sure I understand what you mean by "the upper right restore/maximize button still doesn't work". Are you talking about the restore/maximize button on the main BricxCC window or the one on each MDI child editor window? Delphi programs (...) (24 years ago, 23-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.3.4
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Hi John, Wow you are a fast programmer. I just downloaded the new version and will test it. It is really great that this program is adapted to the user wishes/comments. Just one question: I bought a new computer (AMD 1.333 GHz Thunderbird, 512Mb, (...) (24 years ago, 23-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: Lego Rotation Sensor Internals - and fix
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(...) No, I didn't explicitely tested at full speed, but since capacitor is on power supply filtering and not on signal, there is no reason that this has any adverse effect on max rotation speed. Philo (24 years ago, 23-Jan-02, to lugnet.robotics)
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| | NQC 2.4 r2 released
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The only major change is the inclusion of USB support for the Macintosh/MPW version of NQC (which requires the driver and libraries from the Mac SDK available at www.legomindstorms.com) (URL) Baum (24 years ago, 23-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: Compiling .icb files /Farnsworth files
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I thought originally you were interested in building .icb files, not rebuilding the pcode file. If you want to rebuild the pcode, you need the HB distribution of the pcode, which is at (URL) . There's also a makefile that has the flags for building (...) (24 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Probably burned serial interface -- need help
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Stefano, Do you have a voltmeter? (...) (24 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Compiling .icb files /Farnsworth files
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Fred, I've enclosed the section of the README that applies to my question: To build pcode for other robot boards, follow the instructions below. Copy the 'build_rw.bat' file to another, and replace the GCC command -D variables to the following for (...) (24 years ago, 23-Jan-02, to lugnet.robotics.handyboard)
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| | Re: broken motor, how to take apart?
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This thread encouraged me to investigate a couple of jammed motors that came with "new" kits I purchased on e-Bay. None of the suggestions for unjamming a motor worked. I then decided to take one of the motors apart (this destroys the motor and is (...) (24 years ago, 23-Jan-02, to lugnet.robotics)
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| | Re: Using Vision Command as a Smart Sensor
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Thanks for this thread it really came in usfull today! I used Dean Husby suggestion for linking to all 4 program areas and it was very easy and cool! I had one issue that I thought I'd share. Maybe this can be added to the web page (see URL below). (...) (24 years ago, 23-Jan-02, to lugnet.robotics, lugnet.robotics.vc)
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| | Re: usb tower not responding
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Have you tried deleting the usb device? Make sure you have installed the RCX2.0 when it is rediscovered. Or can you talk to the Lego technical support? (...) (24 years ago, 23-Jan-02, to lugnet.robotics)
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| | Re: Lego Rotation Sensor Internals - and fix
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(...) Have you tested it at high rotating speeds to see if there is any adverse effects caused by the additional parallel capacitance? (just curious) Some great work there. I am currently in the same milieu with a rotation sensor that is (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Compiling .icb files /Farnsworth files
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refresh my memory -- what's in the README, what is the question? fred (...) (24 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Probably burned serial interface -- need help
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where did you hear the pop? in the wall-mounted transformer device, or the serial int board? fred (...) (24 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Lego Rotation Sensor Internals - and fix
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It would be nice if Lego fixed it, as taking apart the sensors is something I would not want to do twice. :( (...) (URL) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | usb tower not responding
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My usb is not responding to my computer because I plugged in the usb tower before i installed the robotics invention system 2.0. I have already tried uninstalling the software and restarting it by following the instructions. I have windows 98 (...) (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | BricxCC release 3.3.3.4
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I've just released a new version of BricxCC. Version 3.3.3.4 implements the following changes: 1. Watching the brick only while the Watch window is active is now an option on the Watch window. 2. It fixes a bug in TFakeSpirit.SetSensorMode which (...) (24 years ago, 22-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: Lego Rotation Sensor Internals - and fix
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(...) It would be nice if the next production run was corrected, that would not even impact device price. But cycle time for this kind of product, with stocks at various distribution levels, is probably quite high... Philo (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Probably burned serial interface -- need help
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Hi all, yesterday I mistakenly plugged the 110V/9V AC adapter that feeds the Charger/serial interface into a 220V power supply (I live in NZ but used to live in the US and have a weird mix of appliances, converters, and transformers). After a few (...) (24 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | Re: Lego Rotation Sensor Internals - and fix
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(...) I just submit my rotation sensor to a hair dryer... and didn't notice variations in levels returned. Philo (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Cybermaster or equivalent
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I'm working on an RF solution for the RCX. It's been dubbed "WIRRL" for Wireless Infra-Red Repeater Link". My intent is to add RF communication to the RCX without physically modifying it or the IR Tower. Also, I wanted a solution that would be (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: More RCX's controled by one tower ?
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You cannot program them independantly, but you can make sure your programs respond to different IR messages during normal operation. All RCX's will receive the messages, but as long as only one responds with some action then independant control is (...) (24 years ago, 22-Jan-02, to lugnet.robotics.rcx, lugnet.robotics)
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| | Compiling .icb files /Farnsworth files
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Howdy Fred, Yes, I did download the zip file from the HB site. As11_ic.bat is present. One question I have is with regards to the various references to Rev 2.1, Rev 2.2, et cetera, in the README file. How do these references relate to my V1.21 HB (...) (24 years ago, 22-Jan-02, to lugnet.robotics.handyboard)
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| | RE: Hacker rcx
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It looks like you have an “extra” command in your sequence. Probably a typo. Remove the line “SENDBYTE 258”! -----Original Message----- From: Nanobapt [mailto:nanobapt@nordnet.fr] Sent: Tuesday, January 22, 2002 11:27 AM To: PC CHAN Cc: (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | RE: Hacker rcx
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Ok I know the lego network protocol communication but i can't send it well cause the message is first : not understand by the RCX second : cause (perhaps) is that the message is not correctly send ... for more information that the code i use : (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Cybermaster or equivalent
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(...) cybermaster is still out there. www.dya-shopping.com has them for ~$100. That was the good news. The bad news is: 1. DYA has the french version. You will have to ask lego for an english CD. 2. cybermaster is no where near as good as RCX. That (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: NQC and RedHat linux 6 on laptop
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I'm quoting my whole original message below with today's info added so that future searchers might stumble on all this info in one place. Chris 'Xenon' Hanson wrote: Hi all. I've been successfully using NQC on an old NEC 486/50 laptop with only (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Cybermaster or equivalent
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I take it the cybermaster, radio controlled kit is not available. Is there an equivalent radio controlled program to work with the RCX? I know we have some folks here at UMaine working on such, but it seems like there used to be a solution. Any info (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Lego Rotation Sensor Internals - and fix
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(...) Philo, I hope a LEGO Engineer sits in on this newsgroup and does something useful with your work. There has been a lot of 'traffic' here describing the problem in different ways, but you are the one who finally got to the bottom of it. Great (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Lego Rotation Sensor Internals - and fix
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(...) I agree, excellent work! (...) These values seem a bit low when compared to Michael Gasperi's (see his rotation sensor page), perhaps my batteries were exhausted. I noticed that the sensor is quite sensitive to temperature (I even considered (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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Hi, It looks like you really meant a single "byte". To my understanding from the RCX 2.0 (with usb port) SDK available from Lego, the "byte" would have to be wrapped up in a certain way, such as leading sync bytes plus a number of conditions to form (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | RE: Lego Rotation Sensor Internals - and fix
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Philippe: This is a very good review of what goes on in the sensor. And of course the simple fix is wonderful. I know how much work even one page like this is and I would like to thank you for taking time to post it. (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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Yes my rcx have the firmware !! So i send the Byte by the SENDBYTE command which include in the port.dll which I use thanks nanobapt ---...--- "la cuillère n'existe pas" (URL) : 94470030 ----- Original Message ----- From: PC CHAN To: nanobapt Cc: (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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I want to send message directly by the serial port And i use Visual Basic and a dll program : port.dll. This program give me access to the serial port. It's very simply to use. thanks nanobapt ---...--- "la cuillère n'existe pas" (URL) : 94470030 (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | A link of interrest
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Hi, I dont know if anyone would be interrested or if this has come up before on the group, but heres a nice link that I found today, while searching for information on gears. Thanks Mark (URL) MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Lego Rotation Sensor Internals - and fix
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Hello fellow Mindstormers, After a few hours lent over my oscilloscope, here is what I learned about Lego rotation sensor : (URL) will find there theory of operation, schematics and a fix to the random count problem at low rotating speed. Enjoy ! (...) (24 years ago, 22-Jan-02, to lugnet.robotics, lugnet.announce) !!
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| | Re: thread class for legOS
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(...) In the post you replied to saying "static doesn't matter", the proposal was: private: static int runWrapper(...) ; I then replied to your post, etc. Anyway, let's not degenerate into he-said-she-said. We're really just talking past each other (...) (24 years ago, 22-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: NQC 2.4 r1 released
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Its been brought to my attention that Lego has already released the Mac SDK and driver for the USB tower (sorry I didn't see it!): (URL) should be able to post an updated version of NQC with USB support for Mac OS9 tomorrow. Dave (...) (24 years ago, 22-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: broken motor, how to take apart?
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I don't think lego has any time limit on their warranty, you should call them and see if they will replace it. (...) (24 years ago, 22-Jan-02, to lugnet.robotics)
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| | Usb-uhci fix that works with legousbtower + nqc
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Hi Georg, I have tried usb-uhci.c version 1.275 found in the usb cvs. It works. Great, we now have an official fix for those who prefer to use the newer usb-uhci module instead of uhci. Thank you very much, P.C. (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | Re: thread class for legOS
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(...) In fact, neither of these suggestions will work with the code as it stands, because the runWrapper() function tries to call the Run() function, which is a non-static member function. You could pass a pointer to the class instance (this) in the (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Re: broken motor, how to take apart?
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I've never had one of these motors, so I don't know what's inside. However, I used to rebuild starter motors for vehicles and a problem like this was usually associated to solidified grease, especially in gear reduction motors. We used to set the (...) (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | Re: broken motor, how to take apart?
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I have had luck bringing motors of all sizes back to life, by soaking them in WD-40 overnight and then spinning them up with an electric drill. Robb, (...) (URL) (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | Re: broken motor, how to take apart?
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This general subject has been discussed here before. I'm sure you can search the lugnet archives for more info. However, as my supply of motors has aged, I too have noted that they do tend to seize or at least stiffen up with lack of use. I have (...) (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | broken motor, how to take apart?
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Not sure if this is the right group...anyway Just got back into Lego robot and rebuilt one of my bots. But one of the motors has become very tight, will just about turn. The motor was left unused for a bout 9 months in a dry room so not sure what (...) (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | Re: Handyboard Sonar question
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I don't have any connector in the J11 space (middle right edge of the expansion board). All I have are 9 holes in the board that are in the same configuration as the bottom of the sonar module's 9-pin male connector. So if I solder the bottom of the (...) (24 years ago, 21-Jan-02, to lugnet.robotics.handyboard)
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| | Re: thread class for legOS
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(...) Unless you define a function as a member function, there is no this parameter at all. In the example given, it was not a member function at all (nor should it be). I believe you are thinking of a static member function vs. a non-static member (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | RE: firmware
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SDK 2 includes the latest version of firmware and tools to load it to the RCX. It's also included in the new RIS 2.0 CD The new RIS 2.0 is the one with the RCX 2.0 + USB InfraRed Tower + Latest firmware version (you could call it 2.0, yes) You can (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: firmware
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this sdk 2 is the firmware??? -- Paula Berger E-mail: pberger@terra.com.br paula@inf.pucrs.br ICQ#: 71133278 "It's the end of something simple, and the beginning of everything else" -- ----- Original Message ----- From: "Robert Seifert" (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: firmware
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(...) Firmaware is a kind of ?operating system? needed to be downloaded to RCX to allow it process programs. Physically it is file firmxxxx.lgo (where xxxx is a number ) located somewhere in directory tree created by RIS installation process. If you (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: Hacker rcx
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Which command did you send and how did you send it? Did your RCX have the firmware in it? (...) (24 years ago, 21-Jan-02, to lugnet.robotics)
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| | RE: newbie
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If you decide to use LegOS you won't be needing nor will you have the chance to use NQC because a RCX with LegOS loaded won't understand nor respond to any standard firmware commands. Check (if you didn't already) the side links at: (URL) From: (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | RE: newbie
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so if i decide to use LegOS I don't need NQC, right? as I understood, de LegOS itself it's complete to be used alone.... (...) programs on RCX. (...) LEGO (...) could call (...) LEGO (...) standard LEGO (...) for (...) run some (...) don't (...) -- (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | RE: newbie
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LegOS is an operation system ( a firmware replacement in itself) It's like a mini UNIX system, that will run true C compiled programs on RCX. NQC on the other hand, all it does is translate a NQC program into LEGO pCode that will be *interpreted* by (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | newbie
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Hi everybody, I'm starting to use Lego products and I'm having problems to undrestand a few things. For example, I want to use NQC and I don't understand why the LegOS needs a C cross-compiler... or by having LegOS I don't need NQC? -- Paula Berger (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | RE: newbie
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I'm not 100% sure, but when I used Spirit.OCX (VC, VB, Delphi, etc...) for some research, I was under the impression that it supported 3 types of interface: "Radio" (CyberMaster), "InfraRed" (RCX, Scout) and I think it was "Cable" or "Direct" or (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.nqc)
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| | firmware
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People, What is this "firmware" that is supposed to be loaded into the RCX? Is there anywhere I can download it?? Thanks, -- Paula Berger E-mail: pberger@terra.com.br paula@inf.pucrs.br ICQ#: 71133278 (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: thread class for legOS
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|
(...) Static DOES matter; it declares the method as being a "class" method, rather than a normal instance method. I believe there is no implicit 'this' parameter and therefore it can be treated like a normal function. Of course, it can't be linked (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Senshist.icb etc
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hi john, the farnsworth stuff should work. did you download the zip file of programs from the HB site? there should be an as11_ic bat file in it. fred (...) (24 years ago, 20-Jan-02, to lugnet.robotics.handyboard)
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| | Re: thread class for legOS
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(...) No, static doesn't matter but it is possible the calling conventions of C and C++ might be different (I don't know of a platform where that is the case for a an extern function), so you might need to specify C linkage, as in: extern "C" int (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: thread class for legOS
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|
(...) Haven't done any C++ for a while, but IIRC you just need to declare runWrapper as static, ie: private: static int runWrapper(...) ; HTH ROSCO (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| |
| | Re: threads - bug in the firmware?
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|
(...) Advantage: Less memory used (each thread needs a block of memory in the kernel, I'm at work & can't remember the struct name off hand). In the case under discussion, this doesn't make much difference, but in a large project, memory use can (...) (24 years ago, 21-Jan-02, to lugnet.robotics.rcx.legos)
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| |
| | Re: Still having problems with helloworld.c
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John, Where is the source for makelx ?? I am having this same problem. Thanks JohnG (...) (24 years ago, 20-Jan-02, to lugnet.robotics.rcx.legos)
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| | Handyboard Sonar question
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|
I've been trying to connect my sonar module according to the instructions in the following webpage: (URL) However, Since I'm using an expansion board with my Handyboard, the SCI port isn't available. Also, my expansion board didn't come with a (...) (24 years ago, 20-Jan-02, to lugnet.robotics.handyboard)
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| |
| | Re: Hacker rcx
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|
(...) I'm not sure I understand what you need. The SDK is designed specifically to be used with applications like Visual Basic. Download it and you'll see what I mean. It even includes a sample VB program. Like Stef said, I think we need more (...) (24 years ago, 20-Jan-02, to lugnet.robotics)
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| |
| | Help with legos
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|
All, I moved my Legos and Cygwin installations to a new machine. When I try and compile a program the compiler complains that there's a installation problem and it cannot execute 'cpp'. Can anyone givenme some insight as to what the problem is and (...) (24 years ago, 20-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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|
hi, Maybe you could be a little more specific what your problems are, because: - sending data through the IR tower can simply be done by sending bytes to the COMport whereto the IR tower is connected - sending messages / direct and indirect commands (...) (24 years ago, 20-Jan-02, to lugnet.robotics)
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| |
| | Re: LNP Routing daemon with tcp/ip for RCX/legOS, Cybermaster/NQC
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Sources for the LNPoI Router are available now. You find it at (URL) . Bye (24 years ago, 20-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Hacker rcx
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|
I need help of mindstormer programmer (like D. BAUM or other. For explain me how to send byte after byte the message thanks nanobapt ---...--- "la cuillère n'existe pas" (URL) : 94470030 ----- Original Message ----- From: "Ian Warfield" (...) (24 years ago, 20-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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I don't want use some that i don't understand ... I want to send other message that the RCX can understand with only visual basic and only it ! I think i need to now how time does the byte take .... nanobapt ---...--- "la cuillère n'existe pas" (...) (24 years ago, 20-Jan-02, to lugnet.robotics)
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| | Re: Hacker rcx
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(...) Have a look at my post from a week ago... (URL) "msgs X" with LEGO Assembler using the SDK 2.0. HTH --Ian (...) The spoon doesn't exist?? (24 years ago, 20-Jan-02, to lugnet.robotics)
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| | Hacker rcx
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i have a problem. I want to program a windows to send RCX message but i have a problem ... My problem that i can send Byte but the rcx don't know them. I follow the rcx internal instruction but it don't work !! Someone can help me to write a program (...) (24 years ago, 19-Jan-02, to lugnet.robotics)
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| | Re: More on threads
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(...) I recall that legOS's priority model is pretty rigid. If a thread with a higher priority never yields, threads with lower priority will never get any time. When I write legOS programs, I generally just have everything run at PRIO_NORMAL. That (...) (24 years ago, 19-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: More on threads
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|
(...) Digging through tm.c gave me the impression, that main will indeed get no time slice. So I wrote another test program: ---...--- #include <conio.h> #include <unistd.h> pid_t worker; int work_task(int argc, char *argv[]); int main() { int i; i (...) (24 years ago, 19-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: More on threads
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|
(...) ability to terminate but to run in an endless loop. But This is not true of an embedded system though which will have to run 'forever'. (...) priority of NORMAL+4. So, the (...) any time slice at all. NO time slice or just a very small chunk (...) (24 years ago, 19-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Lego Studios Cam and Macintosh
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(...) I didn't go that far, but that makes sense. Also, Pinnacle have removed the option to make animations, but it looks like it can be fixed by downloading an upgrade to Studios from the Lego site. (...) Thanks for the info, but we have already (...) (24 years ago, 19-Jan-02, to lugnet.robotics)
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| | Re: Lego Studios Cam and Macintosh
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The Studios software can actually work with other cams (at least it works with my Creative cam). The trick is to alter the Registry entry to the name of your other cam (noted from System Control Panel). Likewise, I would guess that the Pinnacle (...) (24 years ago, 19-Jan-02, to lugnet.robotics)
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| | Re: Lego Studios Cam and Macintosh
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Posted on behalf of Jørgen Rygh: --- FYI - LEGO is considering to make the Studio CD available separately as they have received a lot of requests from Vision Command owners. And, the Pinnacle Studio Action kit (URL) NOT work with the LEGO camera (...) (24 years ago, 19-Jan-02, to lugnet.robotics, lugnet.robotics.vc)
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| | NQC 2.4 r1 released
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It seems like NQC 2.4 has been stuck in beta test for a very long time...I wanted to wait for Mac OS 9 and Linux USB support, but at the moment Lego hasn't released their Mac OS 9 driver and the Linux situation is probably best addressed right now (...) (24 years ago, 19-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Cheap Mindstorms
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Zainy Brainey seems to be clearing out Mindstorms at half price. Extreme Creatures @$25, Acccessory pack @$25 and Vision Command @$50 (half price for them but the usual price pretty much anywhere else now). This was in metro NY area. (24 years ago, 18-Jan-02, to lugnet.market.shopping, lugnet.robotics)
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| | One shot interrupt urb issue - usb-uhci.c
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Dear USB development team, In integrating of nqc and the legousbtower under linux, I found the usb-uhci module could only message to transmit one single interrupt usb with interval=0 (i.e. single-shot) to the usbtower. Then the tower would stop (...) (24 years ago, 18-Jan-02, to lugnet.robotics)
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| | RE: More RCX's controled by one tower ?
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LegOS is supposed to have a communication protocol that can send a message to a specific RCX. This could be handy if you want to run the exact same program on the RCXs. You just give them different IDs when you compile Legos. (URL) Message----- (...) (24 years ago, 18-Jan-02, to lugnet.robotics)
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| | Re: More RCX's controled by one tower ?
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Software for individual control of several RCX's, through one IR tower, via a multi-joypad setup, is available at (URL) Thomas Hoeg-Jensen ----- Original Message ----- From: "Rene Virsik" <virsik@sco.svf.stuba.sk> To: <lego-robotics@crynwr.com> (...) (24 years ago, 18-Jan-02, to lugnet.robotics)
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| | More on threads
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(...) Of course you are right. I think it is a bad programming style not to give your program the ability to terminate but to run in an endless loop. But what is the penalty for this bad style? I've done some investigations and here are the results: (...) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: More RCX's controled by one tower ?
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(...) Sure - if the programs in the two RCX's are slightly different, one of them could be programmed to (say)ignore message bytes containing odd numbers and the other RCX could ignore message bytes containing even numbers. Then the PC can talk to (...) (24 years ago, 18-Jan-02, to lugnet.robotics)
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| | Deleting Programs
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I am using legOS to program a robot for a uni project because the other stuff is aparently too simple but i cant delete the current programs off the RCX to download the new firmware. Is there any other way of doing this without just leaving the (...) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx)
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| | More RCX's controled by one tower ?
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Heya all ! Sorry if this was discused before but is it possible to control or program for example two RCX bricks with one tower from one PC so they work indifferently from eachothers in ONE model ? - Thanx ! - Rene (24 years ago, 18-Jan-02, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: thread class for legOS
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(...) IRC, every method in C++ has an implicit parameter wich is the object itself; that's why you can't cast it. Try the following (does someone have a nicer solution?): Put runWrapper() outside the class: int runWrapper(int, char **th) { (...) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | thread class for legOS
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I write a Thread class for LegOs with a simple interface like in Java or CommonC++. I'm using LegOs 0.2.4. Below are my work till yet. The problem is in the Method Start(). The line is marked with !!. The error message is at the end of the file. I (...) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: LNP Routing daemon with tcp/ip for RCX/legOS, Cybermaster/NQC
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"Freddy" <mail-nowak@web.de> schrieb im Newsbeitrag news:GpzyB6.Kpt@lugnet.com... (...) A C++ class to build client application without knowing the LNPoI protocol is available for Windows and Linux now. (URL) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Several questions
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Dear Mindstormers, For months I didn't find the time to do some work with my Mindstorms equipment. So some things have changed and also new products came onto the market. I have just started work with Mindstorms again and have some (...) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: threads - bug in the firmware?
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(...) I would strongly suggest changing this to while(1) msleep(bignumber);. Otherwise you're hogging the processor doing nothing important, which could do bad things to any compute-intensive tasks you may have going. It'll also use slightly less (...) (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads - bug in the firmware?
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Hi Ross (...) you (...) What are the advantages and disadvantages of this method as opposed to the one I used? mike (24 years ago, 18-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: My Ambulators
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Welcome Brian! This is fun right? Your Walkers are great and it takes real skill to build them. You certainly have a talent for it as well as an understanding of the sheer mechanical principals involved. I applaud you. Wow, I can't wait to see this (...) (24 years ago, 18-Jan-02, to lugnet.robotics, lugnet.technic)
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| | RE: My Ambulators
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I used the datalog to upload a batch of data to the PC and then used Excel's import to make it into a spreadsheet. It was easy and worked well. I used the spreadsheet to precisely characterize my motors so that I could match motors to each other in (...) (24 years ago, 18-Jan-02, to lugnet.robotics)
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| | Re: Lego Studios Cam and Macintosh
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In lugnet.robotics, Dave Johann writes: [Snip] (...) I'm interested in buying the CD since you can't use it. Martin (24 years ago, 17-Jan-02, to lugnet.robotics)
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| | Re: threads - bug in the firmware?
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(...) Note also since bumper_task() is an infinite loop, and you never use pid1, you could save one thread by doing this: int main(int argc, char *argv[]) { pid2 = execi (&left_task, 0, NULL, PRIO_NORMAL+2, DEFAULT_STACK_SIZE); pid3 = execi (...) (24 years ago, 17-Jan-02, to lugnet.robotics.rcx.legos)
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