 | | *** legOS new name - second ballot ***
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Wow, the LEGOS group folks are fast! Both osmOS and brickOS are good for them, so I start the last and ultimate ballot. Please send your vote, either for brickOS or for osmOS, with the usual identification phrase, to legOS-namepoll@gmx.de The last (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Ant pheromones
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Black electrical tape works very well on a mostly white kitchen floor. However, there may be some scrubbing required when the tape is removed. ----- Original Message ----- From: lego-robotics@crynwr.com (Jonathan Spitz) Date: Mon, 1 Jul 2002 (...) (23 years ago, 1-Jul-02, to lugnet.robotics)
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| | RE: kits on sale (Toronto) Vision Command 29.99 at KBtoys.com
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This is a listing for a search for mindstorms at KBtoys.com (6/27/02). I think the Vision Command has been on sale since January for 29.99. LEGO MindStorms: Vision Command Ages 12-17 years Vision Command, featuring the new LEGO Cam, lets you (...) (23 years ago, 30-Jun-02, to lugnet.robotics)
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| | legOS new name - result and new problems
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Hi out there, I know you are anxious to hear about the new name of legOS. Good news first: you don't have to flood my mail folder, here it goes... Here is the list of the names together with the phrases, if I got one. So everyone can see if his vote (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | anyone know how to check free space on RCX?
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hi all...after a while my RCX hangs and i think i might have a memory leak somewhere. anyone have, or know of, a function which i can use to check the available memory while my program is running ? regards kenneth johansen kennethj@stud.cs.uit.no (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO Demo.c
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Can you tell which line it's locking up on? Try commenting out lines until it doesn't lock up (or until you run out of lines) ----- Original Message ----- From: "Shehryar Shaheen" <shehryar.shaheen@ul.ie> Date: Tue, 9 Jul 2002 15:42:56 GMT To: (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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I was hoping, since the thread was already onto how to modify and mount the mouse guts, that it would have been preceeded by a successful attempt to interface the little beast. Since I already know quite a lot about how tedious it is to get data (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: HOWTO Demo.c
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That is correct each Task started has a higher priority and they all have a higher prority than task_swapper like Prio Task 1 -- Task Swapper 2 -- Motor Driver Task 3 -- Light Sensor Task 4 -- Touch Sensor I changed the all the priorities to 1 but I (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | RE: Navigation using landmarks (Was: Re: lasers and RCX)
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(...) Nothing yet. I have a guy in England that's trying to use pbForth to do I2C comms. As I see it, there are two possiblilities here. One is a bit-bang interface on a sensor input port. Tricky to do with pbForth because it allows the normal 1 (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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I see all this nice stuff about trimming mouse bottoms and mounting the device off of the central steering axis and stuff to try and catch rotation, but I haven't spotted the posting about how people are actually getting the x and y values from the (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | RE: Navigation using landmarks (Was: Re: lasers and RCX)
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A Killough platform may have 3 motors, but it operates in a X-Y coordinate plane, not X-Y-Z. The camera is looking for pattern shifts horizontally or vertically, not radially within it's field of vision. As long as the axis of the spin is not (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: HOWTO Demo.c
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If I understand this correctly (which I doubt) each task you start, has a higher priority, and they all have a higher priority than the 'task_swapper' task. Try setting all the priorities the same. Like to 1. See what that does. (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO Demo.c
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The code I have taken out of HOWTO.ps (URL) given at the end of the document under the name Demo.c I have fixed some compile time errors (like mismatching process ids in the kill call, the function for getting button state is dbutton() and not (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO Demo.c
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I'm no expert, but I can try to help you figure it out. Let's start with something simple. What version of LegOS are you using? How are you starting the 'task_swapper' task? What is in the 'motor_driver' task? At one time, when I was working with (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | HOWTO Demo.c
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Need Help, if someone has faced such a problem or knows the fix please do reply. In the legOS Howto their is a demo code demo.c which has some task switching examples I am having trouble with the following piece of code int task_swapper() { (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)
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| | New BBRC Release!
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Hello All, We've released a new version of BBRC on battlebricks.com: (URL) software allows someone to control multiple robots from their PC with USB GamePads. New features in this release include: * USB IR Tower Support * Keyboard interface If you (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: Several hardware questions.. Laser link Hardware expansion n' more
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(...) In my system (one RCX and three Scouts), I had one 'master' and three 'slaves'. The rule was that no slave is allowed to talk unless first addressed by the master. I've finally gotten around to writing up this setup and putting it on the web. (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: optical mouse chips as vision sensors?
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(...) Yes - mathematically, you could still do it with the mouse sensor off to the side of the robot (but not with it dead center between the wheels) - however the sensitivity of the chip to small lateral movements probably wouldn't be enough to (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: optical mouse chips as vision sensors?
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(...) The mouse's camera chip tells you how fast the beast is moving forwards/backwards and how fast left/right - as two separate sets of numbers. If you mounted it on a boom (say) six inches ahead of the wheels of a typical two-wheel-plus-caster (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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(...) Yes - I was thinking of some kind of spring-loaded arm pressing the mouse's underside against the ground. (...) For a Killough platform, you have a fundamental problem. That type of drive has three degrees of freedom (well - it *ought* to have (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | RE: [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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(...) Mario, I'm glad that this has fixed the problem. I hope that you are making good progress with pbForth and that you're enjoying yourself... Cheers, Ralph (23 years ago, 9-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | Re: optical mouse chips as vision sensors?
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Nevermind... I was assuming it would be mounted to the left or right of center (thus the rotation would still show up as forward or reverse). After thinking about it a moment, it occurs to me that by mounting the sensor in front of or behind the (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: optical mouse chips as vision sensors?
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(...) Hmmm... I don't see how that would work. How would a single sensor be able to differentiate between rotational movement and straight forward & back movement? I suppose you would be able to guess since you would know what state the robot was in (...) (23 years ago, 9-Jul-02, to lugnet.robotics)
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| | Re: [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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Hi Ralph, I don't know if you remember, but I had problems with SAVE-SYSTEM (see msg# 508)... until now! Just to let you know, with pbForth V2.1.5 and (more likely) GUI V2.1.3, it works fine! Thanks Mario (...) (23 years ago, 9-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | Re: Controlling Multiple RCX's from one PC
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Hi! all, I've posted a similar topic before titled "control multiple mindstorms robots using 1 IR tower", so I'd also like to get more info. about this related issue.If someone is generous to open his coding, I'll greatly apprecidate it! Hope (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx.java)
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| | some lnp thoughts
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hi all, im sitting here wondering if i should use lnp_addressing_write or lnp_integrity_write. The thing is that im writing a "sliding windows" protocol that might be used by other students here at the local university this autumn (as well as in my (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: optical mouse chips as vision sensors?
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(...) Right - you only get translational motion - not rotation. However, you could use two of these contraptions - on on each side of the robot (or one on the front and the other on the back) and thus derive the rotational speed from the difference (...) (23 years ago, 8-Jul-02, to lugnet.robotics)
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| | LEGO USB tower with NQC on Linux
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I have set up a short web site ((URL) with a description of how to use a LEGO USB tower (RIS 2.0) with Dave Baum's NQC on Linux. It works fine for many popular chipsets (Intel, VIA), yet not all. (...) (23 years ago, 8-Jul-02, to lugnet.robotics)
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| | RE: [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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(...) Stupid cut and paste error on my part. It's fixed now... Cheers, Ralph (23 years ago, 8-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | LBrick.com is up and running
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All, I have just finished getting my new site running ((URL) it contains various Lego projects that I have been working on, including... - Lego CAD stuff - LMosaic (my Lego mosaic software) - LRex - a mindstorms biped that I built. Anyway go check (...) (23 years ago, 8-Jul-02, to lugnet.general, lugnet.cad, lugnet.robotics.rcx, lugnet.technic)
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| | Re: [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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Hi Ralph, I just tried the latest version and I can't setup the IR port (mine is USB). I get the following message: Error: can't read "portID": no such variable Works fine with the previous version. Thanks Mario (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | [ANN] pbForth Version 2.1.5 Release and IR Data Tutorial
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The new 2.1.5 Version of pbForth has a minor fix that affected programmers using the MARKER and LEAVE words. Thanks to Alexander Cech of Austria for supplying great bug reports! I recommend you get the new 2.1.3 GUI while you're at it because it (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | Re: Controlling Multiple RCX's from one PC
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Hi, Roger and Jonathan!! I'd like to get your code too as I'm also interested to do the same thing as Jonathan. Would you mind also sending your source code about controlling multiple mindstorms using one PC to me? I'd like to have more exchange (...) (23 years ago, 8-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Controlling Multiple RCX's from one PC
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(...) Source code will help. Thanks. Jonathan D. (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Controlling Multiple RCX's from one PC
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(...) Hi Jonathan, I send messages from the PC to 3 RCX's with no problem, but I use the Tower object running on my PC, and Serial in the RCX. I don't use Stream objects because they actually only send one byte at a time and not yet very reliable. (...) (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | lego USB IR Tower
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Hi all, I tried out the Ryan Simmons's instructions in order to have my lego USB IR tower working under Linux OS. Everything seems to have been installed properly but when I tried to download legOS firmware with firmdl3 I got the following output: (...) (23 years ago, 7-Jul-02, to lugnet.robotics)
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| | Updated NQCEdit
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Hi Everyone! NQCedit version 1.61 is released. The change is a bugfix to reflect the the changes of Nqc return codes. So if you are running Nqc 2.4. r1 or higher you need to update to version 1.61. The new version can be found at (URL) Eriksson (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.nqc)
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| | Controlling Multiple RCX's from one PC
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I'm working on a project that requires four RCX's to be controlled by one laptop. The program on the laptop is written in Java and the program on the RCXs is written in lejos. I'm using RCXPort to establish a connection between them. The problem I'm (...) (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.java)
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| | Re: Re: Scheduler patch
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I posted some code and a simple explaination of my implementation. Here is the link: (URL) me know if you need clarification or want more information/code (I have the .tar.gz to compile a LegOS kernel that is somewhere between 2.6 and 2.7 and my (...) (23 years ago, 7-Jul-02, to lugnet.robotics.rcx.legos)
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| | Re: Problems with changing LNP_HOSTADDR
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did it work now ? nanobapt ----- Original Message ----- From: Kai Koehne <Kai.Koehne@student....otsdam.de> To: <lugnet.robotics.rcx...ugnet.com> Sent: Friday, July 05, 2002 1:52 PM Subject: Problems with changing LNP_HOSTADDR Hi, since a few hours, (...) (23 years ago, 6-Jul-02, to lugnet.robotics.rcx.legos)
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