 | | RE: RTC
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(...) It is really fun ... some of the time ;) (...) Yeah, I kind of thought that IR may not be so good, but I'm sure that I can find some ways around that. (...) That's an idea, although the data acquisition system primarily measures stress, (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: RTC
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(...) Quick note about legOS: it is a replacement firmware for the Mindstorms, designed to allow you to write programs in C that run /on/ the robot itself. Not sure exactly what you mean by real-time, but I'm guessing that you mean something like (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RTC
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Hello, I have a few questions about legOS, but I know absolutely nothing about it or about the Lego Mindstorms. I am involved in a project at my company to provide real time control of a robot (with one of our data aquisition systemes mounted on it) (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: random
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What version are you using? I believe random/srandom are broken in all non-CVS versions of legOS. To get the CVS version, head to (URL) and follow the instructions on that page. Should work fine- I just tested the new random() two hours ago and it (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | random
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Hi! Back again with more problems. I want to use random() in my programs and looking in stdlib.h it looks like it is implemented. It says: extern long int random(void); extern void srandom(unsigned int seed); When I didn't have stdlib.h included, I (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | RE: DJGPP/DOS legOS Howto
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Long term, though, I'd like to put everything (or at least links to everything) in one place on sourceforge- it'll make it much easier for newbies. Of course, I suppose the HOWTO has to be the first step to that :( Luis (...) ---...--- "Going to (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Robocup with Mindstorm/ legOS
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(...) I recently held a Mindstorms competition and determined that battling robots was too difficult a task for the novice Mindstormer. I ended up doing a maze navigation competition. You can check out the results as well as rules format here: (URL) (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: DJGPP/DOS legOS Howto
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Sweet. Sorry about not figuring out the upload permission sooner. I'll try to figure things out tonight... Luis (...) ---...--- "Going to California with an aching in my heart. Someone told me there's a girl out there with love in her eyes and (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | DJGPP/DOS legOS Howto
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I've posted the howto for using the DJGPP port of GNU tools on a Windows system. It can be found here: (URL) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Robocup with Mindstorm/ legOS
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Hello Thorsten, (...) you can get some inspiration for example at: (13 URLs) (ROBOLAB Curriculum) (4 URLs) We wonder if there is a possibility to do (some kind of) robocup with (...) Last summer at IJCAI in Stockholm, there was a special category at (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos, lugnet.robotics.edu)
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| | Robocup with Mindstorm/ legOS
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Hi all, I am working at the university of Bonn, Germany, and we're currently thinking about using MINDSTORM and legOS to teach younger students about robotics. We wonder if there is a possibility to do (some kind of) robocup with MINDSTORM. Has (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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| | two compiler questions
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Hey, Markus and everyone else- sorry to be cluttering all of your inboxes like I have today. I have two questions about the compilers: 1) How important is the interrupt patch? What functionality would I be losing if I don't have that patch? 2) What (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | one quick thing
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having been forced to look at the homepage for the first time in ages, I note that there are now "drivers for all RCX subsystems." I can't find anything with the temperature sensors, though. Am I correct in this? Or am I not doing a thorough enough (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Ah, that's all right, happens to the best of us. :) I'll go back to my happy little preemptive world. -- "Our doubts are traitors, and make us lose the good we oft might win by fearing to attempt." - William Shakespeare Mike Ash - (URL), (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) I have not done large-scale "production" work with 0.2.x, really, so I may be vastly incorrect. Ah-hah. The legOS homepage (at least) indicates that you are correct. My fault for scaring people... sorry. Luis ---...--- "Going to California (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Ack! I knew that it was cooperative in the 0.1.x series, but I had thought it was preemptive in 0.2.x. Drat. Well, I don't think it's a major problem for me, since I call msleep() religiously, but it's something to look into. Thanks. -- "Our (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Just that it is not pre-emptive. If you don't msleep() at the appropriate places in your code, you'll never go back to the scheduler or the other threads. This can come as a surprise, since you'll only notice it when one thread never executes. (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) That seems very likely. (...) Great :). The complete rules for the tournament can be found on the course web page, which is linked from our page. Tobias (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Neural nets do similar things. Our class had some very interesting cheaters. I actually thought the students learned as much from watching their robots cheat as they did from any other single component, since figuring out the "cheating" forced (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Probably movement since it is easier. Our fitness function may have to change once we see the result though. GA tends to give you individuals that cheat every chance they get :). (...) It will be found at (URL) Right now we have our (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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