 | | Re: Events in Robolab
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(...) I use Robolab to teach middle schoolers about building and programming Lego robots. I like Robolab because the kids pick up on the icons very quickly and get a handle the basics of programming within a few class sessions. BUT I do not venture (...) (22 years ago, 31-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Spybots & Java
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(...) The Spybot brick doesn't support replacement firmwares, so it is impossible to use Java with it. At this point NQC and LASM/MindScript are your only options for programming the Spybot brick. MindScript is currently your best option, but with (...) (22 years ago, 31-Dec-03, to lugnet.robotics.spybotics)
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| | Spybots & Java
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Hello All, as I have a) Spybots, and b) to learn Java, I am wondering if there are tools by now to program the former with the latter? I know that NQC supports Spybots, but what about e.g. leJOS? Are there any projects aiming to run Spybots by Java? (...) (22 years ago, 30-Dec-03, to lugnet.robotics.spybotics)
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| | Re: random problems...
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(...) I found out what my problem was. I didn't seed the random number. This seems to be REQUIRED. (22 years ago, 30-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: random problems...
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(...) How do you know that it return 0 ? nanobapt (22 years ago, 29-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: installing Robolab under Mac OS X
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<snippage> (...) try running the disk utility program found in the application/utilities folder and use it to repair the privilages on the disk. this may or may not help but I know I run into this problem when trying to install OS updates. If the (...) (22 years ago, 29-Dec-03, to lugnet.robotics.rcx)
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| | random problems...
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I'm having a problem with the random() function in BrickOS. I keep getting a return value of zero. Is there something that needs to be set-up before using the function? What kind of value does it return? I've seen documentation that says it returns (...) (22 years ago, 29-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Maximum Subroutine numbers?
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(...) Mmhhh... interesting! that could explain why I had some NQC programs using events that worked fine and some others that didn't... Experiments needed! Thanks Dick, Philo (22 years ago, 29-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: touch sensitive sensor
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Instead of pressing the touch sensor directly, you could use a lever to press it, thereby giving more precision. "Øyvind Steinnes" <phoenix@online.no> wrote in message news:HqCGJ5.Gz@lugnet.com... (...) 1.5 (...) apart (...) 0 (...) have (...) Ohm, (...) (22 years ago, 28-Dec-03, to lugnet.robotics)
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| | Re: Biggest lego wheel?
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Possibly you mean this site? (URL) lego wheels. Dan Lauber "chris" <lego-robotics@crynwr.com> wrote in message news:01ba01c3a5b6$bc...hal9000... (...) maybe (...) their (...) (22 years ago, 28-Dec-03, to lugnet.robotics)
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| | Re: Is there a bug database?
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While I was dwelling on the fundamental interconnectedness of all (...) I'm running 2.5.3 already. Not aware of it being beta, though. (...) Too bad. A bug database would save lots of time duplicating efforts, and would also be a good educational (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Events in Robolab
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Thanks for the response. I've been to that web site before and looked through it for event-driven programming. There is very little event-driven programming there, and what there is doesn't use events very extensively or in a very complex way. (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Maximum Subroutine numbers?
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While I was dwelling on the fundamental interconnectedness of all things on Sun, 28 Dec 2003 16:52:00 GMT, "Dick Swan" <dickswan@sbcglobal.net> wrote: <snip> (...) It doesn't happen most of the time, so the conflict would have to have more (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: What is "Stop Event Monitoring" for?
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While I was dwelling on the fundamental interconnectedness of all (...) Thanks - that's what I thought - only necessary to cancel monitoring when an event has not happened. <snip> (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | RE: Events in Robolab
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Don, Here is great site known for providing great examples of Robolab coding. (URL) will see several examples of event coding in this Web site. Bill -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | RE: Is there a bug database?
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Don, Here is a link that hopefully will help you: (URL) contains the latest patch levels including the beta patch to Robolab 2.5.3 for the Mac and PC. There is not a public bug list. Part of the problem with a public bug list is the Robolab by Tufts (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: What is "Stop Event Monitoring" for?
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Don't know specifically about Robolab, but usage might be. "I want to monitor a bump sensor for the next 100 milliseconds for an event; if the event doesn't happen in this time, then stop monitoring for the event." One way to program this is define (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Re: Maximum Subroutine numbers?
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I don't use Robolab, but I can offer some insight into how the RCX firwmare operates with subroutines (and events) that may partially explain your problems. RCX firmware supports 8 (eight) subroutines per slot. Internally they are numbers 0 to 7. (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Is there a bug database?
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Is there a bug database for Robolab? Unless it's the first perfect program ever written, there have to be bugs. Is there a procedure in place to report suspected bugs? Are they being cataloged, hopefully in a searchable database? (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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| | Events in Robolab
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After dozens of hours of experimentation, it is my conclusion that event-driven programming in Robolab is unreliable. Eventually, the RCX stops responding to events. This does not always happen at the same point in a given program, nor is it (...) (22 years ago, 28-Dec-03, to lugnet.robotics.rcx.robolab)
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