 | | Re: problem with floating point numbers (legOS 0.2.5)
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(...) You are the second person to report something like this, so there must be something wrong somewhere. I will take a closer look at this when I get a chance. I am busy until Tuesday though. I know I will forget, so keep e-mailing me until I fix (...) (23 years ago, 26-May-01, to lugnet.robotics.rcx.legos)
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| | Custom Firmware, IR Problems, and Dead RCXs (long)
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The following information is my own opinion and not endorsed or verified in any way by LEGO. That being said, I think that now is the time to relate some experiences I've had over the past couple of months with my RCX and IR tower - and it boils (...) (23 years ago, 26-May-01, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | problem with floating point numbers (legOS 0.2.5)
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Hi Here are two programs I've compiled and downloaded into my RCX. The first one works fine whereas the second doesn't (no music). Since the only difference between them is the type of the variable "number", I'm worrying about the ability of the (...) (23 years ago, 25-May-01, to lugnet.robotics.rcx.legos)
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| | Re: modulo in legOS 2.4 ?
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-----Original Message----- From: Ciaran Jessup <ciaranjessup@myrealbox.com> To: lugnet.robotics.rcx....lugnet.com <lugnet.robotics.rcx...ugnet.com> Date: 24. mai 2001 22:39 Subject: Re: modulo in legOS 2.4 ? (...) an (...) you (...) ah, i mean the (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | Re: modulo in legOS 2.4 ?
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do you mean 3mod3 = 0 or mod(-3)=mod(3)= 3 ? If you mean the first then you want the %age operator, otherwise you want an 'abs' function not sure if legOS supports this as doesn't support floats(entirely), but you can always write a quick (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | RE: modulo in legOS 2.4 ?
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Ummm, that would be the % operator in C, right? (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | modulo in legOS 2.4 ?
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hi all, just wonderin if there is such a thing as a modulo opperator in legOS 2.4 ? i checked the stdlib.h (which seems to be the place where the math functions are), but no luck. regards kenneth johansen kennethj@stud.cs.uit.no (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | C++ and linux HELP!!!
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HI! I have the same problems as Vittorio's - we actually are working together :) - : the makefile.common in the legOS 0.2.5 version recall a g++ cross compiler instead of the cross version of gcc directly but among the tools provided there's only (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | Re: Lego Camera and legOS
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(...) IIRC, the identifier chip is different, so it returns a different ID, otheriwse it is a regular QuickCam. Change the driver so it recognizes the different chip, and it should work (at least this is what it seemed to be on the robotics mailing (...) (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | Re: Lego Camera and legOS
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Hi, There are two versions of the Logitech QuickCam Express which use two different sensors and as far as I know, only one of them is supported by the alpha driver for Linux. I think that the Lego Cam (and your camera, maybe)uses the other sensor... (...) (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | Re: Lego Camera and legOS
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Last I checked, the chip which the lego camera uses is unsupported under linux. I wrote up a short discussion of what I knew at the time here: (URL) is even less than I seem to remember knowing but hopefully the link there can be helpful. Luis (...) (...) (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | Re: Lego Camera and legOS
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In lugnet.robotics.rcx.legos, Kenneth Johansen writes: . (...) AFAIK it is not possible yet. ISTR that the legocam is closely related to the Logitech QuickCam express and the project to develop drivers for the latter (look at (URL) ) will eventually (...) (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | Re: Lego Camera and legOS
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(...) argg....forgot to start a new thread, hopefully you guys will read it anyways :) kenneth johansen kennethj@stud.cs.uit.no (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | Lego Camera and legOS
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hi all, my supervisor, recently supplied me with a camera that is part of the "vision command" package. unfortunately (and naturally) it only comes with software for windoze. so i was wondering if theres anyone out there that has managed to use this (...) (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | R: c++
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Thank you Pat! I should be able to make it go. I'll tell you the results in a couple of weeks, cause I have to finish another project on lnp first. I still don't understand much the unix community: if version 2.5 is to be patched anyway, why not (...) (23 years ago, 22-May-01, to lugnet.robotics.rcx.legos)
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| | cvs changes
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Hi, I checked into the CVS repository some changes today. They include: A) a fix to util/dll-src/Makefile to reference ../../kernel/lnp.c, so a symbolic link or copy is not required. B) small changes to various makefiles to get c++ support working (...) (23 years ago, 21-May-01, to lugnet.robotics.rcx.legos)
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| | Re: c++
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Hi, Sorry that I've been AWOL! Attached is a set of patches you can apply to the 2.5 distribution to clean up most of the make process. You will still have to correctly specify the TOOLPREFIX in Makefile.common, or via the make command line. You can (...) (23 years ago, 21-May-01, to lugnet.robotics.rcx.legos)
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| | c++
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Is c++ supported in legOs2.5 ? We've been unable to compile even the demos! (I already posted about that) Please give us a voice! thanks Ciao, Vittorio (23 years ago, 20-May-01, to lugnet.robotics.rcx.legos)
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| | Trouble loading programs
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Hi all, I'm new to legos and am having some problems loading programs. I have searched the news pages for my particular error and there are some that are close but not exactly. I hope someone can help because I am currently "dead in the water". Here (...) (23 years ago, 19-May-01, to lugnet.robotics.rcx.legos)
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| | Re: Floating ponts ??
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(...) Exceptions to the 0th law: You are manipulating and comparing floating-point values you know are integers with a magnitude less than a million or two. You are manipulating and comparing values you know are integer multiples of some power of (...) (23 years ago, 17-May-01, to lugnet.robotics.rcx.legos)
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