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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: Painful details on RCX.pm problems
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Yes, it does in fact happen more or less often sometimes (though it is usually consistent.) It has been an awful long time since I changed batteries... I'll get a new set tomorrow and take a look at it. Thanks a bunch, John... Luis (...) (24 years ago, 9-Nov-00, to lugnet.robotics.rcx)
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| | Behavior Control, nee Subsumption Architecture
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This post contains a simple implementation of Subsumption Architecture, which is now called Behavior Control. If you've read my book, you'll recognize that this code is ported to Java from my NQC and legOS implementations of Subsumption (...) (24 years ago, 9-Nov-00, to lugnet.robotics.rcx.java)
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| | Re: Painful details on RCX.pm problems
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Luis, I found a half dead 9V battery and put it in my tower. I am getting similar results, except I hang after the first or second reading. Something like: 0) 41 1) 41 And that is it. I for got to ask is it connisistantly after the 4th one things go (...) (24 years ago, 8-Nov-00, to lugnet.robotics.rcx)
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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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| | eToys has RIS 1.0
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Go to the mindstorms aisle at eToys.com, they have both the RIS 1.5 and RIS 1.0 listed, and both are in stock. Great way to get an RIS with the power jack (and, more importantly IMHO, the "notch" that allows a LEGO wire to be conveniently routed (...) (24 years ago, 8-Nov-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Painful details on RCX.pm problems
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Luis, I am here. I tryed your code. The interesting this is the first time I tryed it I got the following results with the towwer turning off after 5. But repeated runs of the program dont seem to have any problems. 0) 41 1) 41 2) 44 3) 45 4) 40 (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx)
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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: RCX.pm questions [and Linux RCX GUI question]
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(...) Wow, I'm looking forward for that. Just what I need. Sorry I don't know anything about GTK, I would have liked to help you... Jacob (24 years ago, 7-Nov-00, to lugnet.robotics.rcx)
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| | RE: RCX.pm questions [and Linux RCX GUI question]
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(...) Luis, You might want to look at my rcxtcl package. It has all of the stuff you need to make messages for the RCX. Currently, the tcl code makes the messages for uploading firmware bytes to the RCX, but there is a routine that will take a (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx)
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| | Re: RCX.pm questions [and Linux RCX GUI question]
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No, I don't, but thanks for the offer. I've actually never built a GUI in anything except Java until today, but Glade ((URL) makes building a GTK gui ridiculously easy- it literally took about 30 minutes to go from knowing absolutely nothing to (...) (24 years ago, 7-Nov-00, to lugnet.robotics.rcx)
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| | Re: RCX.pm questions [and Linux RCX GUI question]
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You need any help building the GUI? I was thinking of doing a Perl Tk for my linux box. (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
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| | Painful details on RCX.pm problems
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More RCX.pm stuff in case John Quillan (to whom I'll be forever indebted, if this ever works) shows up. So I have this code: #!/usr/bin/perl use LEGO::RCX; my $rcx = new LEGO::RCX(); $rcx->ping(); $k = 0; while($k ne 10) { print($k.") (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
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| | Re: RCX.pm questions [and Linux RCX GUI question]
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So, I have some more questions to anyone who wants to answer them :) (John, hope you are listening ;) 1) Do I need to recreate $rcx after a while? It looks to me that under many circumstances, repeated calls to the RCX will fail to cause the tower (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
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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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