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 Robotics / RCX / *3540 (-20)
  Behavior Control, nee Subsumption Architecture
 
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)
 
  Re: Painful details on RCX.pm problems
 
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)
 
  Re: Difficulty Activating Sensors in v0.2.4
 
(...) 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)
 
  eToys has RIS 1.0
 
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)
 
  Re: Painful details on RCX.pm problems
 
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)
 
  [ANN] leJOS: Replacement firmware for the RCX
 
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)  
 
  Re: Difficulty Activating Sensors in v0.2.4
 
(...) 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)
 
  Re: RCX.pm questions [and Linux RCX GUI question]
 
(...) 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)
 
  RE: RCX.pm questions [and Linux RCX GUI question]
 
(...) 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)
 
  Re: RCX.pm questions [and Linux RCX GUI question]
 
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)
 
  Re: RCX.pm questions [and Linux RCX GUI question]
 
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)
 
  Painful details on RCX.pm problems
 
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)
 
  Re: RCX.pm questions [and Linux RCX GUI question]
 
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)
 
  Re: Difficulty Activating Sensors in v0.2.4
 
(...) 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)
 
  Re: Difficulty Activating Sensors in v0.2.4
 
(...) 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)
 
  Difficulty Activating Sensors in v0.2.4
 
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)
 
  MindStorms Price Reduced at Future Shop
 
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)
 
  Re: RCX Power
 
(...) I've been trying to find out the optimum settings for a power adapter and the RCX. But so far no one seems to know... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
 
  RCX.pm questions
 
So, I've finally found a little bit of time to play with RCX.pm, and it is pretty cool. However, I'm having lots of problems convincing the RCX to actually do things :) it appears that in many cases, the first signal sent to the RCX is always (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
 
  Re: LinuxPPC and "No response from RCX" problem
 
(...) vectorh.h is part of the C++ standard library. Apparently some systems don't have it installed by default. There was some discussion on this a while back... (URL) think the conclusion was that with ManDrake 7.1 you need to install the (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.nqc)


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