 | | Re: where do I download lnpd+liblnp?
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(...) ---...--- "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 Zeppelin, "Going to California" ---...--- (24 years ago, 6-Jun-00, to lugnet.robotics.rcx.legos)
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| | where do I download lnpd+liblnp?
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I can't seem to find anywhere to download the lnpd+liblnp tar ball. Does anyone know where it might be? Torkel (24 years ago, 6-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: Power supply
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(...) The 1.0 can accept a pretty standard DC convereter plug (look in the back). The 1.5 kits don't have this, the 2.0 kits will (supposedly.) I don't use this (which is dumb;) but many others have with good results. -Luis ---...--- "Going to (...) (24 years ago, 5-Jun-00, to lugnet.robotics.rcx.legos)
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| | Power supply
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I'm sorry if this is off topic. I intend to have my legos program running for some considerable time on my rcx(1.0), and of course am worried about power consumption. Are there any upgrade kits I can get that allow for a dc power supply or perhaps (...) (24 years ago, 3-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: compiler question (second try)
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In article (...) Building under LinuxPPC, I was able to get everything working with egcs 1.1.2. However, gcc 2.95 didn't work. I could get legOS.srec to build and download, it would work OK for turning the RCX on/off, but the first time I tried (...) (24 years ago, 3-Jun-00, to lugnet.robotics.rcx.legos)
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| | compiler question (second try)
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What is the newest version of gcc/egcs that anyone has used to create correct code? I'm looking into creating .rpm and .deb files for linux, and I'd like to build with the most up-to-date compiler that I know generates correct code. I have not (...) (24 years ago, 2-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: serial number
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Well, the purpose would be that it would save me the trouble of recompiling the kernel every time I have to download to a new RCX. I might end up with as much as 8 of them. Other than that, I was just curios. Torkel Luis Villa <liv@duke.edu> wrote (...) (24 years ago, 31-May-00, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: serial number
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As far as I know, there is no way to access it. Why? If you intend to use it for unique identification for networking purposes, you can go into the config files in legOS and change the network address there... Luis (...) ---...--- "Going to (...) (24 years ago, 31-May-00, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | serial number
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There is a serial number printed on the RCX. Is it possible to access that serial number through the hardware, or is it only printed on the outside? Torkel (24 years ago, 31-May-00, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | legOS HOWTO announcement
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After much delay and deliberation, there is now a very, very rough cut of the 0.2.x legOS HOWTO at legOS's sourceforge site. There is still a lot to be done- for example, it doesn't mention winlegOS yet, nor does it cover the new rotation sensor (...) (24 years ago, 30-May-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | java/RCX combo
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Can't find the email address right now, but there were some questions here a week or so ago about interfacing Java and the RCX. I lied and said that nothing had been published on the web about the Sun Jini demonstration. In fact, there is a link (...) (24 years ago, 29-May-00, to lugnet.robotics.rcx.legos)
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| | Re: DJGPP/DOS legOS Howto
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(...) Rossz- I'm home for the summer (which means Windows only for now) so my deepest thanks for everything :) While I'm sitting and waiting for the download to finish, I have a question. You mention that Active Perl is needed for a kernel rebuild. (...) (24 years ago, 29-May-00, to lugnet.robotics.rcx.legos)
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| | winlegos needed
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I am in desperate need of the winlegos installation file. I have lost my own, my installation is corrupt, and without a correct installation I can't work. Pretty please, someone. /Torkel (24 years ago, 29-May-00, to lugnet.robotics.rcx.legos)
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| | Re: debugging gcc or ld
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I found the problem. gcc hosted on LinuxPPC uses unsigned chars by default, and one of the h8300 support files for gas assumes signed chars. The bug fix was easy, but rather than take a chance on other lurking signed/unsigned errors, I just forced (...) (24 years ago, 29-May-00, to lugnet.robotics.rcx.legos)
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| | debugging gcc or ld
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I'm trying to get started with legOS but I'm having some trouble getting things to link because I keep getting 'relocation truncated' errors. In order to determine if its ld or gcc that's at fault, could someone with a functional (...) (24 years ago, 29-May-00, to lugnet.robotics.rcx.legos)
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| | Re: Differences between RCX 1.0, 1.5 and 2.0?
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(...) From what I've gathered: 1.0 to 1.5 Removed the power adapter board. Less components on the board. 1.0 to 2.0 from what I gathered a slightly newer board with a 32k ROM instead of the 16K in the 1.0. (The 1.0 is designed to hold a 32k ROM. As (...) (24 years ago, 26-May-00, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc)
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| | Tell your robot what to do!
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I don't know if you could use this with Mindstorms or not (I would assume you could) but it sure sounds cool! It's a voice recognition module.... I wonder how hard it would be to assemble and use. It's $50 too.... I don't want to be the guinea (...) (24 years ago, 26-May-00, to lugnet.robotics, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc)
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| | Can you still use RCX's IR for collision detection?
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I made robot using NQC that did this....pretty reliably too. The idea is you constantly send out messages, and when you get close to an object, there's a bit of feedback. This feedback is picked up by one of the light sensors, which is particularly (...) (24 years ago, 26-May-00, to lugnet.robotics.rcx.legos)
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| | Differences between RCX 1.0, 1.5 and 2.0?
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I've been away from the Mindstorms scene for almost a year....got a bit behind! *grin* Matt (24 years ago, 26-May-00, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc)
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| | Re: winlegos and sort
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Oh never mind. I guess that's what you get for not paying attention to your path. It executed the wrong sort. Torkel Torkel Niklasson <torkel.niklasson@te...logic.com> wrote in message news:Fv4DJ7.Fx6@lugnet.com... (...) (24 years ago, 25-May-00, to lugnet.robotics.rcx.legos)
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| | winlegos and sort
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I'm having a problem recompiling legos firmware on windows NT. When I try, sort fails, for some reason, and that apparently corrupts the entire legos.srec, and the files that are needed to compile user programs. This is what it says... (...) (24 years ago, 25-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) I like the multiple robot idea. If each robot used a simulated annealing algorithm instead of a GA this would require less computation since it would be working on one chromosome instead of a population. Each robot could advertise its fitness (...) (24 years ago, 25-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) Yes. Therefore you might want to use the truncation selection, which allows you to have only 1 copy of the population at a time to save memory. It worked for us, we have a small GA running inside of the RCX. We evolved a program with simple (...) (24 years ago, 24-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) I like that spirit :) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) You will be. You will be... :) Tobias (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) I've pondered it, though not actually done anything. The things to remember are that GAs need to do fitness testing, and the larger the population that you can do fitness tests on the better. On a big old PC, it's easy to do lots and lots of (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RE: RTC
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(...) There used to be such an option, but I can't seem to find it at the moment. Anyone else game? (...) Unfortunately, only if you have an older version of the mindstorms (version 1.0.) In version 1.5, Lego in it's infinite wisdom removed the (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) Anything specific? MY Supervisor is interested in me using Cartesian GP... - Ciaran (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RE: RTC
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(...) Crap :) Our setup would have been a hot item at trade shows :) Can anyone give me some info on power conservation with legOS? Will legOS shut itself down after a certain period of time? Does a power adapter exist for the robot so I can plug it (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: GA in RCX
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(...) We're just working on it :). Tobias (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | GA in RCX
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- Anybody out there got any experience with Genetic Algorithms in LegOS, anybody willing to give me a little help in getting a handle on it, I'm considering a final year CSSE project using the RCX, and would be interested to here from anyone who's (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RE: RTC
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(...) No- I should have been more clear: PC->tower->robot automatically turns on the tower and is therefore pretty robust (whereas the robot has no way to turn on the tower once it has gone off.) There is no way to use laptop IR to talk to the (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RE: RTC
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(...) Glad to hear it. Unfortunately, I'm also a student, the sysadmin, a programmer, and just general (computer) handyman, so I don't get to play with the robots all the time. (...) I see. So I can use regular laptop/PC IR to comm with the robot (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | RE: RTC
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(...) Once upon a time, I was paid briefly to do it to. Certainly the best summer job I will ever have. (...) FYI, The main limitation with the IR, assuming that your room is reasonably IR reflective, is that the tower turns itself off and so it can (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | Re: RTC
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(...) Right. (...) Yes. User moves mouse -> applet sends signal to server -> server sends signal to robot. (...) Great! This is just what I wanted. (...) I'll do that. (...) I was also looking for this. Thanks :) Thanks much for your help, Nils (24 years ago, 23-May-00, to lugnet.robotics.rcx.legos)
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| | 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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