 | | Makefile change
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I recommend the following change to Makefile (in the main legOS directory: old: SUBDIRS=util lib boot demo new: include makefile.common ifneq (,$(findstring $(OSTYPE),MSDOS msdosdjgpp MS-DOS)) SUBDIRS=lib boot demo else SUBDIRS=util lib boot demo (...) (24 years ago, 3-Dec-00, to lugnet.robotics.rcx.legos)
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| | Re: Voting Robot
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(...) I would have said "...a Lego robot _stupid_ enough to vote for Gore..." [duck] [run for cover] (...) Franklin (*Please* notice the "follow-up" redirection!!!) (24 years ago, 29-Nov-00, to lugnet.robotics.rcx.legos)
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| | Voting Robot
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Somebody should get their hands on one of the Florida butterfly ballots and see if they can create a Lego robot smart enough to punch the correct hole for Gore. :) Rossz (24 years ago, 29-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: LNPD problem..again :)
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(...) Have you set up a packet handler on the RCX before sending this? I would guess that if there isn't one, you'll run into something like TCP's "connection refused", which might be what you're seeing. Otherwise, I assume that other LNP stuff (...) (24 years ago, 28-Nov-00, to lugnet.robotics.rcx.legos)
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| | LNPD problem..again :)
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hi everybody, im having some trouble with LNPD and was hoping someone out there might get me on the right track again :) PC side: #define MY_PORT 8 #define DEST_HOST 0 #define DEST_PORT 0 #define DEST_ADDR (DEST_HOST << 4 | DEST_PORT) i am trying to (...) (24 years ago, 28-Nov-00, to lugnet.robotics.rcx.legos)
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| | DJGPP (Windows) for Legos
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For anyone who encountered problems with the DJGPP tools for legOS, I found an omission in my instructions at (URL) Specifically, I had left out the requirement for ftp://ftp.simtel.net...hl112b.zip My web page has been updated to correct for this (...) (24 years ago, 26-Nov-00, to lugnet.robotics.rcx.legos)
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| | WinCVS
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There is a module which helps configure WinCvs for Sourceforge. It helped. Check it here: (URL) (24 years ago, 25-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: help with lnp
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(...) ah yes.. now i c it.. in fact. theres no reference to the LD_LIBRARY_PATH in the legOS HOWTO written by luis willa, but in the "lnpd+liblnp" directory there is a REAME file that says exactly what you said. (guess i should have read that more (...) (24 years ago, 23-Nov-00, to lugnet.robotics.rcx.legos)
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| | help with lnp
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hello all, im tryin to run the lnptest program within the /lnpd+liblnp/applications directory, but all i get when i type "./lnptest" is "./lnptest: error in loading shared libraries: liblnp.so.0: cannot open shared object file: No such file or (...) (24 years ago, 22-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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I could send you a copy of the Legos Kernel (legOS.srec and legOS.lds) files I am using and you can see if your code compiles and works better under it (actually I am using a patched version of 0.2.4, a early beta from Luis for what will most likely (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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(...) Unlikely, i've worked on my office machine, 0.2.4 was the first compilation of an legOS on this machine. Later in the evening i installed 0.2.3. Carsten (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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I also have a LegOS 0.2.4 program that uses two rotation sensors on input ports 1 and 3 as well as another active sensor (the Technostuff Dual IRPD sensor) on port 2. All work flawlessly, no counter drift noted on the rotation sensor. Perhaps it is (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) That's true. However, IMO, man pages are good for reference but not good for first-time learning. A quick tutorial with a couple of simple code examples might be nice. I didn't have too much trouble with the man pages, but I *did* have trouble (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) And, of course, if you want, feel free to use CVS to get the HOWTO and add it directly to there- I'm always happy to see another contributor :) Luis ---...--- "Nobody ever said that democracy was simple or efficient." Florida Election Board (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) That'd be great. I'm in no hurry, since time is not opening up for me either any time soon. (...) I've never bothered, since semaphores are basically POSIX compliant. If you have "man" installed you should be OK ;) Luis ---...--- "Nobody ever (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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(...) By all means go ahead. I can write up some explanation as to what they are and how they work, too, once I find time. Also, nobody seems willing/able to write anything about semaphores, so when I write that up I'll see about a little blurb on (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Fixed-point Math
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Mike- If you want to, I'd be happy (later- busy this week) to mirror those on the sourceforge site. They look quite useful, and I'll be sure to mention those in the HOWTO (whenever I next have time for that. :| Luis (...) ---...--- "Nobody ever said (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
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| | I'm back!
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I just saw four messages of mine (sent over the course of three days) show up simultaneously in my inbox. I guess my connection to lugnet is happy once again. I did get an error report on one of them, and it looked like some mail server in the (...) (24 years ago, 15-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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(...) Most math functions aren't available. They would require so much computing power, and so few people would use them, that they probably aren't worth the code space in the kernel. You could probably find some sample implementations of pow and (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
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| | Fixed-point Math
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I'm not sure if this will make it to the list, but we'll see. I sent out a message twice and it still hasn't shown up. Anyway, I have uploaded my fixed-point math routines to my web site. This includes simple stuff like multiplication and division, (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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I sent this before, but it never made it through. My apologies if this ends up being posted twice. (...) (24 years ago, 13-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange problem using 2 active sensors at the same time with 0.2.4
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(...) I don't have a solution, but I thought I'd throw in my experiences. I curently have a robot that uses two rotation sensors, and I've never had trouble with them under either 0.2.3 or 0.2.4. I looked through your code briefly and couldn't find (...) (24 years ago, 15-Nov-00, to lugnet.robotics.rcx.legos)
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| | Strange problem using 2 active sensors at the same time with 0.2.4
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Hello In a actual project, i'm using the following setup: Input: 1 Rotation sensor (steering) 2 nc 3 Rotation sensor (distance measuring) Output: A drive motor B nc C steering motor If more than one sensor is set to active, only the first (steering) (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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I received the following comments and code from Mike Ash, whose Lugnet 'connection' appears not to be working at present. Big thanks Mike. I've yet to try it, but it looks OK in theory. (...) Most math functions aren't available. They would require (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Math
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Mike, You may have to look at writing your own. I know there's a libmint (integer math) library, but I'm currently at work, and can't check what else is there. Maybe need a libm to put all math functins in?? ROSCO mike mcfarlane (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
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| | Math
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Hi What math functions are available under legOS? I can get the usual +-/ and * to work, but not powers or square roots. Are these math functions available and what others e.g. sine, cosine etc? I thought it would be standard C stuff like pow and (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: lnp doc
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I just dropped a class that was killing me, so I mayt have time to fix that this weekend. Thanks for holding out :) Luis (...) ---...--- "Nobody ever said that democracy was simple or efficient." Florida Election Board Member Bob Crawford. ---...--- (24 years ago, 10-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: lnp doc
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(...) You bet! The legOS HOWTO (URL) now has a LNP section. Unfortunately the table of contents is currently broken, so you'll have to hit Next a lot. The URL to the LNP section is (URL). (24 years ago, 10-Nov-00, to lugnet.robotics.rcx.legos)
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| | lnp doc
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Hi there, I'm quite now on legOS (compiled my first program yesterday), and I'm trying to find a way of using lnp. Is there any HOWTO or reference for the RCX side/the host side ? Thanx in advance. (24 years ago, 10-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) Jochen, you're right on target! I put them into one of my sub-routines and it worked fine. I appreciate everyone else's help as well. Thanks, -- Gary Mayer (24 years ago, 9-Nov-00, to lugnet.robotics.rcx.legos)
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| | [ANN] leJOS: Replacement firmware for the RCX
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The first beta release of leJOS is out at (URL) leJOS is a Java based replacement firmware for the RCX, forked out of TinyVM ((URL) practically all of its features, plus: - There is a Windows version (CygWin not required). - Much faster Sensor API. (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx.java, lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) You have to use the commands inside of a method, e.g. in the main method. I just tried it and get the exactly the same error messages if I don't put these calls inside a method. If you think you put them in a method, make sure that you don't (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) Warnings tell, that lines 120,etc are the declaration part of the program and you just redeclare ds_active and similiar functions. My advice is to look for a missing or redundant brace before these lines. -- Marek mbrudka@elka.pw.edu.pl (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Difficulty Activating Sensors in v0.2.4
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(...) Which Cygwin solution? i.e., what version of gcc? (to check, run gcc --version) (...) All that code looks perfectly fine to me. In fact, it looks like it matches line by line that I compiled yesterday with no problem. Could you post the entire (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.legos)
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| | Difficulty Activating Sensors in v0.2.4
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I'm using LegOS 0.2.4 on Windows 2000 (Cygwin solution). I receive errors when I try to compile any code that activates a sensor. I've looked at both old references and new as well as the old Dave Baum book. At first, I thought it may just be the (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.legos)
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| | MindStorms Price Reduced at Future Shop
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For anyone up here in Canada, Future Shop has the MindStorms 1.5 set for $250 CDN. This beats the usual MSRP of $300 everywhere else I've seen. Enjoy.... -Roy (24 years ago, 6-Nov-00, to lugnet.market.buy-sell-trade, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Still JAVA and LNP....
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(...) There is no way to passively listen to the world. This is good for batteries but bad in all other ways. So, your listening code should send a keep-alive on a regular basis to keep the tower from dying. No way around it :| Luis ---...--- "It's (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Still JAVA and LNP....
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Umm in response to my own message, would someone be so kind as to explain the following <g> : // return (short)(a + (b << 8)); return (short)(a % 256); If I use the bottom line, discounting variable b, then my checksum is correct...otherwise it (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Still JAVA and LNP....
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hey all :) Sorry to bother again, but after limited uccess with getting JAVA to cope with LNP, I've run into some (hopefully) simple problems, I'm having major problems with the checksum routine, this routine give me huge integer nnumbers rather (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: ttyS1 corrupted after using legos
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(...) Frank, I'm also using Linux (Red Hat), and had a similar problem. After using the IR tower, my modem wouldn't work on the same serial port. I solved the problem by not sharing the serial port 8?) which also allows me to connect while using the (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx.legos)
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