 | | 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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| | Re: Very strange problems
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(...) What sort of "issues" are these? Are you referring to the normal issues of multithreading (synchronization, deadlock, etc.), or specific legOS-related problems with it? I have a program that uses a decent amount of multithreading, and I'd hate (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Redundancy is good :) (...) Good. It's generally solid, but can cause some issues from time to time. <snip lots of monkey talk :) > (...) Distance of movement or consistency (i.e. always forward) or both for fitness? Sounds really cool. Good (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) We have not done anything to ensure that whatever is transmitted is received correctly (i.e. without errors). What we have done is a build a system which will work even if one (or several) of the RCXs are temporarily blocked for some reason. (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Argh. I was getting emulegos (which I was pretty familiar with) and legosim (which I though was C, not Java) confused. I'm afraid neither of them would be too easy to port to 0.2.x :( (...) Please make sure to share this with us! IR continues (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) I was afraid so. (...) We haven't reached the GA part yet. Right now the idea is to work out a communication protocol and then send a information back and fourth. And since the RCXs locked up we thought that there must be something wrong in (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) IIRC, it is 0.1.7, which used a completely different setup for the IR communication. (...) Unfortunately, no. (...) You mean, unmodified? No, I don't think. I've seen lots of code that worked, and then got "simplified" and then stopped (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) It seems that emulegos should be able to handle IR. However, it does not use the lnp-functions that I use, so I presume it is designed to work with an earlier version of legOS. Were earlier versions of legOS (I use version 0.2.3) less likely (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) I will hopefully clean up and release some of it by Wednesday. (...) I'm not sure- I don't think so, though. Someone else here may be able to answer that much better than I can. Luis ---...--- "Going to California with an aching in my heart. (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Is this neural network code made public? I have emulegos, but I havn't much more than started it up. Do you know if it can handle IR-communication between several RCXs? Tobias (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) Yes. We ran into similar problems when writing neural network code. Persist- you can write really cool stuff on legOS- we did. Also, emulegos (which is still around somewhere, though I'm not sure if anyone has ported it to 0.2.x) would (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) That is really bad news. Since we are writing a genetic programming system with six RCXs involved that communicate with each other, the programs tend to get pretty long. Often things fail. Right now I have the problem that if I save a program (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Very strange problems
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(...) As far as I can tell, legOS has some really strange bugs. I've learned to take it for granted that some programs (without warning) will just crash and lock up the machine. This is unfortunate, but I've never found a pattern to them so there is (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Re: lnp communication question
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(...) lnp does a checksum and throws away bad data. I think it is a 1 byte checksum so 1 out of 256 errors gets through anyway. There is no retry so timeout and retry has to be handled by some higher level code. (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | Very strange problems
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Hi! I am experiencing some very strange problems when programming my RCX. Sometimes (too often) the RCX just locks up when I run my program and I have to remove the batteries and reload the firmware. I have now found that very small changes in my (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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| | arbitrary motor code
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Did anyone ever write the wrapper to allow motor_dir(motor_label x, MotorDirection dir) or some such? There was a variant of it way, way back (0.1.5?) but I don't see anything like it in the current CVS code. Anyone? Anyone? -Luis ---...--- "Going (...) (24 years ago, 20-May-00, to lugnet.robotics.rcx.legos)
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| | Re: lnp communication question
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(...) Ok, this brings up more questions :). I have never had any problems with errors when sending messages. Sometimes the message is not recieved but when it is, I have never seen any errors in the transmission. Am I missing your point? Second, (...) (24 years ago, 20-May-00, to lugnet.robotics.rcx.legos)
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| | DJGPP GNU cross compiler tools
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It looks like my ISP has changed their policy about anonymous ftp and now allow it. I've placed the DJGPP port of the GNU tools on my website here: (URL) It's a 5 meg download. Please let me know if you have any problems downloading this file. I (...) (24 years ago, 19-May-00, to lugnet.robotics.rcx.legos)
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| | Re: We need a FULL install of everything!
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On Thu, 18 May 2000 18:00:11 GMT, "Matt McDevitt" <maktos@maktos.com> wrote: <snip> I aggree fully with your statement Matt. I've tried to install LegOS several times and i always failed because of lack of time (and of course lack of knowledge <s>). (...) (24 years ago, 19-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Does anyone have Spirit.OCX?
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You can download it at www.legomindstorms.com. Just click look for RCX SDK. "Matt McDevitt" <maktos@maktos.com> wrote in message news:Furpv7.JMH@lugnet.com... (...) (24 years ago, 18-May-00, to lugnet.robotics, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc)
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| | Does anyone have Spirit.OCX?
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Could someone send me the file SPIRIT.OCX ? Matt maktos@maktos.com (24 years ago, 18-May-00, to lugnet.robotics, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc)
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| | We need a FULL install of everything!
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In response to your e-mail message: I realize it's *technically* better from a logistics standpoint to require people to download everything seperately, so they'll get the "absolute" latest version. However, I think that you have to give a little (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.legos)
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| | Re: New Windows HOWTO
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I seem to have missed this message. :( If someone would like to do it, great, elsewise I may be doing something similar this weekend. Let me know, Rossz... Luis (...) ---...--- "Going to California with an aching in my heart. Someone told me there's (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO going down
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Like I said later, they are all at (URL) bad in forgetting the ~louie earlier) Since it is nearly 100M at this point (including all the various compilers and such) I think we'll just leave it there, until I can move it to sourceforge (which'll (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: New Windows HOWTO
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Why doesn't someone do all this, and put it all in a big ZIP file? Better yet, someone could make an "install" so it would be a big self-extracting EXE. Matt Rossz V$BaN(Bos-Wentworth wrote in message ... (...) you (...) preserves (...) (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Can't get Windows compiler!
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Everything is now at (URL) for the dead links, but I had to move out of my dorm :( 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 flowers in her hair." -Led (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.legos)
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