 | | Seeking Programming Assistance
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Hi, my name is Jude Tomasello. I am a US Army civilian and am currently taking a class in which we are involved in using the Lego Mindstorm as a simulation for an unmanned ground vehicle. Because of its versatility, we are using NQC instead of the (...) (24 years ago, 13-Jul-00, to lugnet.robotics.rcx.nqc)
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| | Re: Minor bug in DCP sound sensor support
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Yeah, I noticed this in China at one of the first workshops there... and of course I hadn't tested the demo beforehand, so I had to quickly rewrite it with forks. This was back around April 15. (URL) :) -Ben (...) (24 years ago, 13-Jul-00, to lugnet.robotics.rcx.robolab)
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| | Re: LugNet links
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Some time ago I asked the powers that be at lugnet to change the links, and never heard a word from them about it. Maybe it is time to hassle them about it again. Luis (...) ---...--- "Summertime... and the living is easy... fish are jumping and the (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LinuxPPC success
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(...) I would like to add it to the HOWTO, or at least to someplace where it is widely publicly available- probably with the instructions at (URL) On another note, where does one find the LNP stuff these days? Arthurdent (...) /Everything/ is a bad (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | LinuxPPC success
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Well, Dave's advice worked like a charm. Thanks, Dave! It seems like this would be a good thing to add to the HOWTO, although who knows how many other people want to use legOS on LinuxPPC. On another note, where does one find the LNP stuff these (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | LugNet links
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Hey, everyone. I was just checking out the lugnet page, and was thinking it might be a good idea to update the LegOS links. Perhaps include a link to SourceForge, and fix the HOWTO link. What do you think? And how does one go about this? ROSCO (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS on LinuxPPC
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(...) The problem is due to a bug in gcc 2.95. The assembly version of memcpy fixes the LegOS kernel, but all your user programs are subject to the same bug. Until it's fixed in gcc, you're stuck with egcs. Regards ROSCO (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | LegOS + Lego Remote
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Hi All, I've tried patching LegOS 0.2.3 lnp_integrity_byte's state machine to capture the transmissions by the Lego remote. The problem is, I only get a response when I press some combinations of two remote buttons at a time, other combinations and (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | dll 0.2.3 fails on SGI
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Hello all, My first time on this list... I've been trying to get LegOS running in my recently aquired RCX 1.0. I created an egcs cross-compiler for Solaris. I used this to compile the kernel. The IR tower is connected to an SGI (an O^2 running IRIX (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | [ANNOUNCE] LegoVision release 0.0.3 (alpha)
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LegoVision provides a framework for adding vision to LEGO Mindstorms. More information can be found on the project homepage at (URL) the approach is quite narrow at the moment due to hardware restrictions - I only have a Video For Windows compatible (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx)
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| | Re: LegOS on LinuxPPC
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(...) Ah, excellent. I saw this post when you posted it, but didn't think about it much at the time. I'll give this a shot and report back. Thanks very much. -- "Do not go gentle into that good night. Rage, rage against the dying of the light." - (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS on LinuxPPC
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In article (...) I have had better luck with egcs-1.1.2 rather than gcc 2.95.2. I've heard that there's a problem with the way gcc 2.95.2 generates code for memcpy. I've also heard that the fix is to use an assembly version of memcpy instead of (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | LinuxPPC gcc errors
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Ok, I have some error messages here. I'm following the exact instructions in the HOWTO, except for using gcc 2.95.2 instead of egcs 1.1.2. I recall trying egcs with similar results. The make proceeds fine for a while. Then I get this message, and (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Expanding the available input/output ports of the RCX
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in article NEBBIHKHBKAFAGKCCILO...s@olf.com, Ram Meenakshisundaram at rmeenaks@olf.com wrote on 7/7/00 9:58 AM: (...) I am a Lego purist, so I don't want to modify my pieces. Of course, if Lego ever creates an official multiplexer, I'll probably get (...) (24 years ago, 10-Jul-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | LegOS on LinuxPPC
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I recall somebody writing to this list about a problem with LegOS under LinuxPPC, and the message seemed to imply that things were mostly happy. I can't make the compiler compile. I'm using gcc 2.95.2. The make proceeds for a good while, then I get (...) (24 years ago, 10-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Expanding the available input/output ports of the RCX
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Ram Meenakshisundaram schreef: (...) You could use the sensors that came with the Cybermaster kit, they have a built-in resistor so it should be possible to hook up two of those on one input port and by using RAW values see which switch is pressed. (24 years ago, 10-Jul-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | RE: Expanding the available input/output ports of the RCX
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Sure you can try using just three input/output ports, but eventually you end up scaling back you designs. Of course, you can always buy another RCX to increase the number of ports, which will throw you back $200. Adding a multiplexor is such an easy (...) (24 years ago, 9-Jul-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Expanding the available input/output ports of the RCX
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(...) [imho] It's sometime very creative to build your own multiplexer as it is a part of the project. [/imho] The site of Michael Gasperi has a lot of informations about those input multiplexer : (URL) (24 years ago, 9-Jul-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | (canceled)
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| | Re: Expanding the available input/output ports of the RCX
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(...) How about coming up with creative solutions within the limits of the hardware? In the real world, you can't always make it bigger and better, sometimes you have to do it another way. It's a much more interesting problem to "do it with only (...) (24 years ago, 8-Jul-00, to lugnet.robotics, lugnet.robotics.rcx)
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