 | | compiler problem - help needed please
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Hello everybody I have installed the crosscompiler and legos 2.4 as descriped in the HOWTO. My system is redhat 7.0. The kernel seems to compile just fine, but whenever I try to compile one of the demo programs I get an error. Here is an output from (...) (24 years ago, 18-Oct-00, to lugnet.robotics.rcx.legos)
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| | text location for apps and q?
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hi all, in Makefile.user there are BASE1 and BASE2 which point to 0xb000 and 0xb210. are those address changeable or are they defined by h8/300 platform? also what is makelx? what does it do with .ds1 and .ds2 which both are the same object file? (...) (24 years ago, 18-Oct-00, to lugnet.robotics.rcx.legos)
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| | RCX communication
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Hi, (Sorry, my English is not good) I would like to know if it's possible to use legOS (LNP) to get communications between RCXs without the PC, I mean, without an intermediate between the RCXs. And, if it's possible, how can I do that ? I'm using 3 (...) (24 years ago, 17-Oct-00, to lugnet.robotics.rcx.legos)
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| | robotics competition
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prizes: - three LEGO Droid Developer Kits - three LEGO Vision Comand - three Ultimate Accessory Sets Check it out under (URL) are: - Fred Martin MIT media lab - Scott Savage Marshal Space Flight Center, NASA - Dennis Clark Colorado State University (...) (24 years ago, 16-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Memory Usage
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(...) Ok, thanks. I'll try everything else first, then try this if I get desperate. The main thing I hit a wall with was when I switched to floating-point, which increased my .lx filesize by about 2k, so if I go back to fixed-point, turn sound off (...) (24 years ago, 15-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Memory Usage
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(...) changing (...) place for (...) program for (...) optimized for (...) working for (...) I've further investigated and you can gain some more bytes compiling kernel (and your programs) with -Os option instead of -O2 (Makefile.common, COPT (...) (24 years ago, 15-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Memory Usage
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(...) Well, I was thinking along the lines of having gcc optimize my program for space instead of speed. Of course, I'd be better off if *I* optimized for space instead of speed, but it can't hurt to have the compiler working for me, if it's (...) (24 years ago, 15-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: Memory Usage
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(...) itself in (...) allocate (...) annoying, (...) You can test memory left using the routine from Eddie: (URL) Anyway, my question is, how can I reduce memory usage? I think cutting (...) HOWTO, (...) that (...) a (...) in (...) process is (...) (...) (24 years ago, 15-Oct-00, to lugnet.robotics.rcx.legos)
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| | Memory Usage
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Well, I've gone and run out of memory with my RCX. It manifested itself in a task that refused to run, presumably because the OS couldn't allocate enough memory for its stack. Took a while to track down and was annoying, but it was my own fault for (...) (24 years ago, 14-Oct-00, to lugnet.robotics.rcx.legos)
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| | winlnp
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well, one page is still up... (URL) sure if anyone wants to pursue that or not (Yannis, if you are around, and need space to mirror your files, legOS.sourceforge.net is there for you ;) Luis ---...--- "It's clear to us that Microsoft isn't the (...) (24 years ago, 13-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Questions
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(...) No idea. Not even sure how much interest there was in it in the first place. I knew I should have mirrored those files :| On the plus side, I know that at least some work was done in porting the "real" LNP tools to the Cygwin installation. (...) (24 years ago, 13-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Questions
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(...) Well, one "people" is enough for me. (Especially this particular "people"!) So, I will work on this thing and let you know when I have something to show you. Btw, I checked on the Windows version of LNP (I run Linux, but I figure Windows ought (...) (24 years ago, 13-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Questions
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(...) I have no idea if "people" would, but if you want to write something up for the HOWTO, I'll bend over backwards to get it into the posted version ASAP. It is really the one major thing that the HOWTO lacks, and that people consistently request (...) (24 years ago, 13-Oct-00, to lugnet.robotics.rcx.legos)
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| | LNP Questions
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I've been doing a lot with LNP lately, and I have a few questions. First, the lnpd package I have says in the readme that there is a bug in the legOS kernel with sending LNP packets from multiple tasks. Accordingly, all of my LNP-sending functions (...) (24 years ago, 13-Oct-00, to lugnet.robotics.rcx.legos)
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| | At last legOS on NT!!
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At last! I decided to test the cygwin installation on NT and it worked! I still have to use the -s option with firmdl3 but the rest is perfect. Now I have the djgpp distribution on Windows9x and the cygwin distribution on NT. (24 years ago, 10-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: liv@duke.edu
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Do I still mention arthurdent in the HOWTO? Please point me at the section of the HOWTO that still points to arthurdent, because that machine/url have been disconnected for several months now, and I want to ensure that there are no references (...) (24 years ago, 9-Oct-00, to lugnet.robotics.rcx.legos)
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| | liv@duke.edu
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Luis, could you please send me the demo.c you mention in the HOWTO. I can't connect to arthurdent Thanks -- ___...___ Oscar Deniz Suarez odeniz@dis.ulpgc.es Becario de Investigacion - Research Grant Holder Centro de Tecnologia de los Sistemas y la (...) (24 years ago, 9-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS doesn't work under NT?
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Oscar Deniz Suarez <odeniz@dis.ulpgc.es> wrote in message news:G2016F.L1z@lugnet.com... (...) some (...) problems, (...) Maybe, but I know there's differences - I can't get NT to talk to my qv-100 digital camera over the serial port, but Linux & (...) (24 years ago, 8-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS doesn't work under NT?
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(...) are some (...) problems, (...) Absolutly Yes. (...) 0.2.3 and (...) memcpy.c. I (...) to (...) Begin from these two URLs: (URL) Paolo. --- Indecision is the key to flexibility. (24 years ago, 7-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS doesn't work under NT?
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(...) computer (...) have (...) correctly (...) I don't think it's the serial port handling under NT, because there are some guys out there who have been able to work with legos and NT without problems, isn't it? By now, I think it could be a bug in (...) (24 years ago, 6-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS doesn't work under NT?
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(...) problems. (...) appears (...) Only thing I can think is maybe the serial port driver does something funny in NT. I'm not familiar with the serial comms used in firmdl & dll, and don't have the source here at work, but maybe this causes the (...) (24 years ago, 5-Oct-00, to lugnet.robotics.rcx.legos)
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| | legOS doesn't work under NT?
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I've been using legOS for Windows (Vamos-Wentworth's distribution) both on Windows 95 and Windows 98. Due to some reasons, I'll have to use a NT computer from now on (I'm the administrator). I installed everything, even the long filename support (...) (24 years ago, 5-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: IRPD sensors and LegOS (long)
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OK, the IRPD rover just smarter. I had an error in the comments in the previously posted version, references in the initial comments about the Right Side Motor being hooked up to Output B were incorrect, it is actually hooked up to Output C. This (...) (24 years ago, 4-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: 0.2.4 API
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I can put one up as a tarball or .zip file- pick which output format you'd prefer. Luis (...) ---...--- "It's clear to us that Microsoft isn't the competition anymore. They are our environment." WordPerfect manager, talking about Word ---...--- (24 years ago, 3-Oct-00, to lugnet.robotics.rcx.legos)
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| | 0.2.4 API
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Hello everybody. I am currently looking for the API for legOS 0.2.4. I did find one at legos.sourceforge.net (i think it was), but it was poorly suited for downloading. anyone happend to have the API as a downloadable file ?(html/ps/pdf, doesnt (...) (24 years ago, 3-Oct-00, to lugnet.robotics.rcx.legos)
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| | test
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have had some problems posting to this news group, so heres another test. (24 years ago, 2-Oct-00, to lugnet.robotics.rcx.legos)
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| | Re: New Kernel Documentation
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There is now a .pdf version (which maintains the tables) available at (URL) I tried ps2ascii, but it didn't seem to work. pstotext does work, but the many (very nice) tables get lost. If it weren't for that, I would have converted it all to sgml/xml (...) (24 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: New Kernel Documentation
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Dave, I tried ps2ascii, but it didn't seem to work. The only thing I can suggest is to download a copy of GhostScript / GhostView. If you're using a common Linux distro you've probably already got it - if you're using Windoze, it's really easy to (...) (24 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: New Kernel Documentation
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I have just skimmed through this document and it is AWESOME!! In case you ran into the same problem as I did and was not able to view Post Script files, check out this URL: (URL) a Utility call Ghost Script that allows even Winblows users to view (...) (24 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: New Kernel Documentation
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Is it possible to put up a non-Post Script version? I don't have a viewer that can display this type of document. Perhaps a plain .txt or .html version? Thanks Dave (...) (24 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos)
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| | new legOS HOWTO and note from our sponsors
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This is just a minor update to the HOWTO- it discusses the new C++ support in CVS, how to access CVS, and links to the new kernel documentation. As usual, it can be found here: (URL) plug: I'd like to note that the past several releases of the HOWTO (...) (24 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | New Kernel Documentation
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Stig Nielsson has written excellent documentation on the internals of the kernel. I learned a heck of a lot going through it- I think this makes Stig our new designated kernel expert :) Anyway, you can read it here: (URL) you have any comments or (...) (24 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | C++ support in CVS
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Hey, everyone- Thanks to the patches Pat Welsh posted last week, C++ support is now in the CVS version of legOS. Pat made a number of changes to clean up the makefiles, so everything will compile if you aren't using gcc 2.95 and/or don't plan to use (...) (24 years ago, 21-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: c++ classes
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Hey, everybody. I'm going to try to patch and build this this weekend. (ADSL line goes in today, so it becomes suddenly more feasible to build and test with gcc 2.95.) However, if anyone else has already done that, and can test these (particularly (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: Using the rotation sensor as velocity sensor
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Checked in to CVS. Thank you again, Jochen. By the way, for those of you who may want to check it out, I've disabled it by default in boot/config.h (as we probably should with rotation sensors) so you'll have to go in there and uncomment it (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | c++ classes
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Dear legOSers, I have written a set of c++ classes for manipulating sensors and motors within legOS. The classes include: A) Sensor, a base class for accessing sensors B) LightSensor, derived from Sensor, but uses the LIGHT function to get values C) (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: Using the rotation sensor as velocity sensor
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Looks solid to me, and I appreciate the effort to isolate all the code with #defines- hopefully, most future feature additions will be similarly controlled. If no one objects, I'm going to check this into CVS this afternoon. Thanks a lot, Jochen... (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Using the rotation sensor as velocity sensor
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Hello, For my own project I need to measure the velocity at which my robot is moving. I finally patched the legOS kernel to get accurate values. I think that others may profit from a good velocity sensor. The velocity is given in rotation ticks (...) (24 years ago, 8-Sep-00, to lugnet.robotics.rcx.legos)
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| | Re: IRPD sensors and LegOS (long)
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Well, I worked on it a bit and added two routines: TurnTo(int New_Direction) => Figures the quickest way to turn from the current Direction to the new one. Retrace(int N) => Retraces the last N number of legs of it's journey. Change the #define LEGS (...) (24 years ago, 30-Aug-00, to lugnet.robotics.rcx.legos)
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| | Re: IRPD sensors and LegOS (long)
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Since IRPD doesn't use the upper half of the sensor range (above 512), it looks like it could easily be multiplexed with a touch sensor. Has anyone tried this? (I would try it myself, but I haven't bought an IRPD [yet!].) (...) -- ___...___ $50,000 (...) (24 years ago, 30-Aug-00, to lugnet.robotics.rcx.legos)
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