 | | Re: LNP Repost
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(...) I remember that! But aren't you supposed to do it mod 255 for maximum effectiveness? Cheers, Ben. -- (URL) grandfather once told me that there are two kinds of people: those who work and those who take the credit. He told me to try to be in (...) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: LNP Repost
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Hi, I'm kinda new to LUGNET, so if I get this wrong - sorry! I'm interested in this LNP idea that seemed to be floating around a few months ago. Is it still alive, and if so what state has it got to? I would be grateful if someone can post or e-mail (...) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.legos)
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| | legOS and Markus in Forbes
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Check it out here- brief, and unfortunately no URLs, but... (URL) (who is only slightly hurt that his documentation wasn't mentioned :) (25 years ago, 27-Jul-99, to lugnet.robotics.rcx.legos)
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| | better test value for touch sensors
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FYI: The simple-rover example uses an unsafe test value for touch sensors. Touch sensor should be tested against <0xf000, NOT <0x2000 (e.g. simple-rover.c) Reason: Not pressed has a constant value >0xf000. Pressed varies depending on battery change, (...) (25 years ago, 26-Jul-99, to lugnet.robotics.rcx.legos)
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| | The IR FIX -- was: Re: Is IR considered broken?
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(...) I had the same problem. (...) Here's the fix: enclode the old handler code in #ifdef TRASH, use the new #else part. I'll say a few things about the motivation below. (If you prefer to patch, download (URL) it's based on LegOS 0.1.7 but should (...) (25 years ago, 26-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: Rotation sensors?
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Thanks Mark, those changes got rotation-sensor.c working for me. (...) (25 years ago, 22-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: emulegOS: a new release
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Just a note about a small bug. The supplied sample program ir-rover.cpp doesn't work on the real RCX. I think this may be due to IR complications under legOs. I'm working on a version which will work on both the emulator and the real system and will (...) (25 years ago, 21-Jul-99, to lugnet.robotics.rcx.legos)
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| | emulegOS: a new release
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Mark Falco improved his Tcl/Tk version of emulegOS with tons of cool features. This version is now considered the "official" version of emulegOS, and we hope to release a Tcl based Windows version soon. The new features include: - IR support: (...) (25 years ago, 21-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: Rotation sensors?
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(...) [snip...] If you want to have more info about the sotry of this problem search this newsgruop for "rotation sensor bug found". Mario (URL) (25 years ago, 21-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: Rotation sensors?
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Yep, others have reported having these problems. Here's a fix I came up with, but has also only been tested on my system. There have been reports that the existing code works for some, and not for others, so you may need to customize this. just (...) (25 years ago, 20-Jul-99, to lugnet.robotics.rcx.legos)
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| | Rotation sensors?
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Hello, Rotation sensors appear to be broken in the 990330 snapshot. Here's part of the code I'm using: ds_active(&SENSOR_3); ds_rotation_on(&SENSOR_3); ds_rotation_set(&SENSOR_3, 0); while (!PRESSED(button_state(), BUTTON_VIEW)) { (...) (25 years ago, 20-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: Barcode Reader on LegOS page
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Here is alex's webpage taken from the Legos page: (...) (25 years ago, 20-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: Barcode Reader on LegOS page
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What is Alex's page? (25 years ago, 19-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: is IR considered broken?
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(...) For all who are interested, I copied the source to: (URL) porting hints, e-mail me directly. -Kekoa (25 years ago, 16-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: is IR considered broken?
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Yes I would be interested in seeing the libRcx implementation of the IR functions. thanks, Mark (...) (25 years ago, 16-Jul-99, to lugnet.robotics.rcx.legos)
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| | application termination
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Hi, what is the magic in LegOS to quit the application so that it can be restarted again? In some demos it works, but the same mechanism (i.e. 1 stopper process that kills the other on [run] button) quits the program, but the display says some (...) (25 years ago, 16-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: is IR considered broken?
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(...) I have working IR code, but it does not work with LegOS. It works with that "custom, as-yet-unreleased version of Librcx" I mention every so often. It probably wouldn't take much to port it to LegOS. Changes would be: - modify hook to get a (...) (25 years ago, 16-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: firmdl for Win32? (Re: random numbers)
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(...) I can compile it for use with Cygwin (Unix for NT), but since I have not (yet) figured out how to configure and use the serial port under NT, there is no NT version as of yet. But there are other firmware downloaders for NT already. To compile (...) (25 years ago, 16-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: random numbers
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(...) The firmware supports random numbers using some method that whose name I can't remember at the moment. Something about feedback. Anyways, the algorithm there boils down to: int seed; int rand (void) { char bit; bit = (seed & (1 << 1)) >> 1; (...) (25 years ago, 16-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: random numbers
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(...) The author claims it has very good spectral properties, but I have no way of testing that. The only other reference I have found to it on the net is from a group at the University of Salzburg, who state that it performed well in their tests. (...) (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: random numbers
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(...) You could either take just the source file out of gnulibc and link it in, or you could change your setup to actually use the gnulibc (which is what I am doing, although not with legOS). (...) It depends on what you want the RNG for. If all you (...) (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: random numbers
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(...) Probably a dumb question, but how do I link in another copy of libc, besides the hacked-down one already present in legOS? I can't just copy the one on top of the other, and the linker should just link in the first it finds, correct? At any (...) (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos)
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| | firmdl for Win32? (Re: random numbers)
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(...) Hi, Luis Villa - author of HOWTO has some that he will soon include into the HOWTO. If you need just random 16 bit integer, you can use for example this random = 25173*previous + 13849; but I don't know how good it is; start with an arbitrary (...) (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: random numbers
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(...) gnulibc has a good LCGM you can just link in. John A. Tamplin Traveller Information Services jat@LiveOnTheNet.COM 2104 West Ferry Way 256/705-7007 - FAX 256/705-7100 Huntsville, AL 35801 (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos)
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| | LegOS HOWTO- updates
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For those of you who have looked at the LegOS HOWTO before, or for those who have not, there are some new topics covered, some of which may make you think twice about sticking to the old firmware. new topics: *random number generation. Don't make (...) (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: is IR considered broken?
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Sorry it took so long to reply, Mark... I somehow seem to have deleted your mail and only noticed it on the newsgroup by accident. Here are my thoughts. (...) Uhuh. This is (apparently) not a unique experience. (...) I have not had that experience, (...) (25 years ago, 14-Jul-99, to lugnet.robotics.rcx.legos)
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| | random numbers
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I'm most of the way to getting it working myself, but I was curious to see if anyone has implemented a random number generator in their bot. Anyone? Anyone? -Luis ###...### Profanity is the one language that all programmers understand. -Anonymous (...) (25 years ago, 13-Jul-99, to lugnet.robotics.rcx.legos)
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| | is IR considered broken?
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The precompiled tm-and-ir, kinda works for me. It is pretty good at receiving data, but the transmitted message often has garbage. When I compile it myself using the latest legOS snapshot, it always transmits garbage, others seem to have seen the (...) (25 years ago, 12-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: more fun with cross-compilers
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Well, neither the latest release of egcs nor the latest binutils 2.9.1 seems to do it. Apparently, though, the beta binutils (2.9.4, use at your own risk, blah, blah, blah) works. The gcc compilation is now crashing in a different location. Using my (...) (25 years ago, 9-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: more fun with cross-compilers
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Thanks for the help, Matt. solaris2.7 was correctly selected as the host by conf.guess, so that is not the problem. I would have no authority to apply any patches, even if I could find them, so I'm building egcs-1.1.2 instead. We'll see how that (...) (25 years ago, 9-Jul-99, to lugnet.robotics.rcx.legos)
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| | Re: more fun with cross-compilers
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(...) There were some changes in Solaris 2.7 that break the compilation of some stuff, if I remember correctly. Have you checked with the gcc maintainers to see if they have a patch for this? Another thing to try would be specifying the host type (...) (25 years ago, 9-Jul-99, to lugnet.robotics.rcx.legos)
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| | more fun with cross-compilers
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I posted here quite some time about this, and got a single personal response which has now been lost into the bowels of my pine folder "system." (hah!) Has anyone successfully set up a cross compiler on solaris 2.7? While building the binutils, I (...) (25 years ago, 6-Jul-99, to lugnet.robotics.rcx.legos)
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| | Barcode Reader on LegOS page
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I've sent a mail to Alex Howanski at alex.wankwood regarding his Barcode sourcecode for legOS, but still do not see any reply. His page was updated on June 19th, so it's still current. Anyone out there communicate with alex and / or have his or (...) (25 years ago, 3-Jul-99, to lugnet.robotics.rcx.legos)
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| | legOS for Win 95/98 was: legOS make newbe question
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I must have been sidetracked and posted this by mistake to ..build. Sorry, -Phil (...) (25 years ago, 29-Jun-99, to lugnet.robotics.rcx.legos)
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| | RE: legOS make newbe question
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(...) I'm waiting... :) If anyone can help out, Just let me know locations where I can grab files, or let me know that you have something so that I can give you a temporary FTP account to upload to my machine. Preferably, I'd like someone with a (...) (25 years ago, 28-Jun-99, to lugnet.robotics.rcx.legos)
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| | Re: legOS make newbe question
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I am a professional in the QA area and used to writing documentation as a part of my job, and am going to take the "challenge". Thanks for the offer to host the info. Give me a week or so (i'm very busy with some chip-level failure analysis right (...) (25 years ago, 28-Jun-99, to lugnet.robotics.rcx.legos)
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| | RE: legOS make newbe question
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(...) Great!!! I know Gavin's toolset works for Win98, you might ask if you can pinch a copy and host it on your site. I'm not against building the tools, or the tools themselves. In fact, the GNU assembler and debugger (and m4) were the tools I (...) (25 years ago, 28-Jun-99, to lugnet.robotics.rcx.legos)
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| | RE: legOS make newbe question
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(...) No argument from me here. Forth is not very popular anymore with the advent of really good C compilers for embedded processors (my specialty). BUT if you want a way to interactively control your LEGO bots, and have alook at the insides of the (...) (25 years ago, 28-Jun-99, to lugnet.robotics.rcx.legos)
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| | RE: legOS make newbe question
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(...) Like I said, I'm willing to host such a site for at least a year if others would like to contribute. That offer includes any necessary binaries for other tools as well- pbFORTH, NQC, etc. -Luis ###...### Profanity is the one language that all (...) (25 years ago, 28-Jun-99, to lugnet.robotics.rcx.legos)
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| | Re: legOS make newbe question
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(...) platform. (...) Same here.. That Gavin package...that might have been the one I downloaded...but even that one had a crazy directory structure, and all the compiled EXE's had names about 16 letters long! How about something simple like GCC (...) (25 years ago, 28-Jun-99, to lugnet.robotics.rcx.legos)
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