 | | Re: legOS Network Protocol
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This would almost have to be a UDP like protocol just because the RCX has such limited resources and the complexity of adding transmision control to the protocol would be nasty. I really hate news groups, I like having messages sent to me directly. (...) (25 years ago, 15-Apr-99, to lugnet.robotics.rcx.legos)
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| | Rotation sensor help
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I need some help with legOS and rotation sensors. I compiled and downloaded the demo/rotation-sensor.c program. The behaviour I get on my RCX is not what I expected. When I turn the sensor clockwise, the LCD toggles between 0 and -1, while (...) (25 years ago, 15-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: legOS Network Protocol
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(...) Sounds good. Does it provide a stream interface or datagrams only? My faulty memory suggests that it might be the latter. If the network implementation supports packet reassembly (packets larger than MTU), there may not be a need for a stream (...) (25 years ago, 14-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: legOS Network Protocol
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(...) I too may be interested in this, although probably only the higher level stuff ie I'm not too sure how good I'd be at interfacing with the IR. Anyway, I had a look around and I found some references on a protocol layered on top of IP called (...) (25 years ago, 14-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: firmdl error
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(...) [Luis sent me the .srec file so I could take a look at it.] The problem is the length of the first line of the srec file. The first line is 80 characters long, which is too long. The cryptic error message is because the line passed into the (...) (25 years ago, 14-Apr-99, to lugnet.robotics.rcx.legos)
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| | firmdl error
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Can anyone here help me out with this error? I have no idea where to even begin. When downloading my binary (light-brait-with-debug.srec) I get the following error message: [usr@cs liv]# legOS-0.1.7/util/firmdl light-brait-with-debug.srec (...) (25 years ago, 13-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: legOS is great!
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(...) Luis, this would be great. Obviously I don't have anything at all to contribute at present moment, but will do as soon as I have something worth to be shared. (...) Yes please. I wait for your URL. Thanks Mario (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: legOS is great!
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(...) I'd love to set-up (and even host) such a depository. However, at the moment, I don't have much to contribute. As I'm working my rear-end off right now, that should change by friday, but :-) (...) Yeah. I was thinking about a HOWTO, in fact. I (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | legOS is great!
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Last weekend I finished setting up my PC (win 95) to use legOS. It took some more than a while to be ready, but now I'm absolutely happy with it. legOS is simply great and I'm very intrigued with it now. I'd like to thank Markus L. Noga and all the (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | Installation trouble with Linux
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My system is a Redhat 5.1, i586. I had some problems installing the LegOS. Here are the steps I took. 1. I successfully installed binutils, unpacked the legOS-0.1.7 package. 2. I installed the egcs-1.1b package with the exact options given in the (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | PS
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As an addendum to my light message, I checked direct-sensor.h, and the numbers there seem to work out just fine. Could this be a compiler problem on my part? Just another thought- Luis ###...### "They call the faithful to their knees to hear the (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | light values?
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Another question before I call it a night- under LegOS 0.1.6, light-sensor values were restricted to the range 0-100. Under 0.1.7, I'm now getting a max value (pointed straight at a light bulb) of about 263, or once even 272. 255 would make sense to (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | Updated Win32 toolchain
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I've put an updated Windows 95/98/NT H8/300 cross-compiler, based on EGCS 1.1.2 (basically, the EGCS 1.1.2 release plus Mumit Kahn's Win32 patches, plus a couple of source hacks), on (URL) - this time, I've bundled in enough to compile without (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: floats
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Thanks, Kekoa. (...) Well, as it appears I don't have much of an option, I'll stick to ints then :-) -Luis ###...### "They call the faithful to their knees to hear the softly spoken magic spell:" "There's no place like home... There's no place like (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: floats
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(...) The errors you see are due to the fact that there is no hardware support for floating point. The compiler substitutes calls to the software equivalents, which do not exist; hence the linker errors you see. The math routines that do exist are (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | floats
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When I try to use a float in my code, I get a compiler message somewhere along these lines: <begin error message> ../code/light-brait....t-brait.c: undefined reference to `__floatsisf' ../code/light-brait....t-brait.c: undefined reference to (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: loading s/w
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(...) legOS has a software solution built-in - when you are ready to quit, hold down the on/off button and press the 'prog' button. Hope this helps! Cheers, Richard (25 years ago, 9-Apr-99, to lugnet.robotics.rcx.legos)
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| | Web based LegOs compiler for the underprivileged?
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I recently downloaded a program for the palm pilot that displays up to date movie times and locations based from perl parsed data from movies@yahoo.com It is a great program, but getting and setting up Perl on my system was a real pain. Luckily (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: loading s/w
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(...) I skipped something here. The assumption I made is that you want to load new custom firmware. If you want to load the Lego firmware, find the Firm0309.lgo file in your Mindstorms directory, and load that into the RCX exactly as you would (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: loading s/w
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(...) I belive LegOS breaks firmware deletion, in the sense that the "delete firmware" opcode is not supported by the IR routines, but I could be wrong about that. If you are using an AC adapter and no batteries, the easiest thing to do is to turn (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
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