 | | Re: Help with lnp
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(...) We finally decided to take the time and use Linux to try and get lnpd working. Although we are not familiar with Linux, our professors are helping us. Our main problem now though is the installation of brickOS. I know this should be an obvious (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
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| | BrickOS motor-output: Subject to change?
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Hello, while doing some testing with data transfer wia the motorport of the RCX, I had (again) the problem that the output at full speed (255) is not a constant DC-output. Does anyone have a good solution for this already and will it be part of the (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: robot as input device
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> I assume you want to use the RCX and sensors to collect data and plot/export/do (...) Yes I would like to use sensor data to control objects in a VR-Framework. So it would be possible to use lego RCX data and map it on input device data of the (...) (21 years ago, 7-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: robot as input device
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(...) I assume you want to use the RCX and sensors to collect data and plot/export/do calculations using these data. RoboLab Investigator (software) does that. You can have a bot roam around, collect sensor data of all kinds, and upload it to your (...) (21 years ago, 7-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: robot as input device
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(...) I don't really understand what you want to do ...... nanobapt (21 years ago, 7-Jul-03, to lugnet.robotics.rcx.legos)
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| | robot as input device
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Hi, I am not familiar with LegOS but I would like to use the robot as an input device and get all sensor values. Is it possible? regards, kristian (21 years ago, 7-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) But remember that changes in the brickOS files and therefore in the resulting brickOS code will allmost certainly crash the user programs. With every new brickOS version you must recompile the user programs that should run on the brick. (...) (21 years ago, 4-Jul-03, to lugnet.robotics.rcx.legos)
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| | USB tool under linux
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Hello there .... I'm really interest about driving the lego USB tower but I need some help :) Is someone know how work the USB tower ? How pilot it ? For the camera I've found a better module than the qce-ga one ! The qc-usb is really better (I've (...) (21 years ago, 2-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) Actually, you don't need to do all that. For the last few versions of BrickOS, things are different. The first time you install BrickOS, you: $ cd /brickos-0.2.6.10 $ configure $ make If everything has been installed correctly, you will find a (...) (21 years ago, 2-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) This is my friend writing this time becuase he lost his user info for lugent and is trying to become a member but he hasnt gotten an email back from the system so he is having me do the asking: Thanks for the help guys. I am going to edit a (...) (21 years ago, 2-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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To all, Paolo has done some work with upgrading the lnpd software to run under cygwin. You can search the newsgroup for information about this. And I have taken this work and I am working to bring it back into the brickOS code source. But I am (...) (21 years ago, 2-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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(...) I may try this. It looks like the problem is that the files are in the wrong place. I am going to try to fix this problem, but I may use your idea. You have tried it and it works? I am not that familiar with Java, but may be able to figure out (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) If he wants to do this, he should better have a good understanding of programming in C and Operation System design. Debugging an OS is a hard job. (...) I am under the impression that you don't have any knowledge of how to handle a UNIX style (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) If you have installed and built the unmodified BrickOS then you are ready to go. At the very end of the build after you built/instaled the cross compliter and BirckOs source you executed a make command. When you did this you got a whole bunch (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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And legnoppix ? What about this solution ? nanobapt (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) The build system is not particularly complex. $ ./configure $ make You will, of course, have to either build or install prebuilt cross compiler binaries first. Info on the brickOS website, ask here if you run into problems. I'm not quite sure (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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(...) Katie, I am also doing a project which envolves getting information from the RCX using the BrickOS and Cygwin. I tried the same approach with using the Linux files but, I found another way to get information. If your familiar with Java you can (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Modifying the BrickOS source code
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Hey, My friend and I are tring to modify the BrickOS memmory management for a computer Science senior project. I am trying to help him out with it. We are wondering if anyone can give us some information on how we can edit the source code and then (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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(...) Hello katie, Have you read on my page How to comile it ? :) liblnp.h call function from the lib. You not only need to include this file ! you need the library ! Download it here : (URL) need to run lnpd before run your program Oh I just see (...) (21 years ago, 30-Jun-03, to lugnet.robotics.rcx.legos)
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| | Help with lnp
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Hello, I am currently in the middle of a research project using Mindstorms robots. We are using brickOS and are working on algorithsm for dispersion. One thing that would be handy to do, however, is be able to record the path the robot takes and (...) (21 years ago, 30-Jun-03, to lugnet.robotics.rcx.legos)
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| | display driver data segment
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hi folks ! can anyone explain me how the lcddata segment is used in legos ! it seems to me there are some routines which use the rom and some which dont. especially i dont get that the conio.c accesses with the dlcd_* functions the lower lcd data (...) (21 years ago, 26-Jun-03, to lugnet.robotics.rcx.legos)
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| | realloc in legos(brickOS)
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can someone please help this guy? ive been out of the loop for some time and really dont know if anyone has made any realloc functions for legos (working in 0.2.6). below is the email he sent me. his email address is: renespanw@hotmail.com regards (...) (21 years ago, 23-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: Error linking c++ with gcc 3.3
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No, I'm sorry, it doesn't seem to quite work. But it does get rid of the 3 errors at the bottom - Now it's just the operator new/delete stuff. I replaced the stub.c with the thing below, made libc++.a, and just make in lib/c++, and then go to demo (...) (21 years ago, 19-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: Error linking c++ with gcc 3.3
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(...) You should add -fno-rtti -fno-exceptions to the CXXFLAGS in Makefile.common. To get rid of the operator new/delete errors you can replace lib/c++/stub.c with a stub.cpp containing the following. Don't forget to update the Makefile. This works (...) (21 years ago, 18-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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(...) The only time(s) I encountered this type of issue were when I compiled the .srec with different set of compiler settings (or with a different set of header files) than what was used for compiling the Demo/Application code. For instance, if I (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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(...) As for this one, I thought I linked the library statically so you wouldn't require it. Oh well, I'll fix that and let people know when I've updated it. You shouldn't need to install the libraries to use the tools. Michael (Zapp not van der (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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(...) <<snipped>> (...) <<snipped>> (...) I've gotten the same error with gcc 3.2.3 that I compiled and gcc 3.2.2 that the other Michael compiled. I couldn't get gcc 3.3 to compile on my machine. Running gcc -v I get the following responses: (my (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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(...) No, they aren't problems in your end, and no, they're also not gcc's fault. LegOS uses a now unsupported extension to C: multi-line strings. The way they can be made to work is by inserting \n\ on the end of the offending lines. I did this to (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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In lugnet.robotics.rcx.legos, Rich Warren wrote: ... (...) Well, it must be something weird then, what compiler *is* Michael's compiler? (gcc 3.2.3? what?) After all, all cross-compilers should work about the same.... It's a different compiler to (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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You know, it doesn't matter how long I wait before sending out a question... I figured out the trouble with firmdl3. I'd assumed the black plug in the USB port was the IR Tower, which I'd plugged in earlier today. However, my wife had been (...) (21 years ago, 16-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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In lugnet.robotics.rcx.legos, Rich Warren wrote: ... (...) Hmm... I just read your thing, and I realised I'm posting exactly the same error, different platform (Linux). Are you using g++-3.3? Or is it another compiler? Michael (van der Kolff, not (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Error linking c++ with gcc 3.3
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Hi, I'm having a slight problem building the c++ demos with gcc-3.3. (I had to do a tiny patch against a few files to overcome the fact that multiline strings are now not supported). But when it comes to building the c++ demos, I get the following (...) (21 years ago, 17-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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(...) You know, I think there's some cosmic law. Just after hitting the send key, I'll almost always realize my question was stupid. Looking at the errors I was getting, I noticed that it was the utilities that you'd already created. firmdl3 has the (...) (21 years ago, 16-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: Varying the output voltage?
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(...) The power motors that come with the RIS are very efficient, so the load is very light and speed changes very little. Then of course it depend on your robot, if you use caterpillar tracks you will generally have more load than with wheels. An (...) (21 years ago, 15-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: Varying the output voltage?
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(...) you're right, I forgot float. Thanks for clearing the rest up for me :-) Doesn't the motor itself have a "load" when it works with no actual load? "which reduces power but not speed" Timothy (21 years ago, 15-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: OS X Complier problems solved--now struggling with BrickOS
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(...) Hi, First, in terms of my compiler build (referencing your previous post...) what I had a problem with was building the sample C++ code that came with BrickOS. I don't need C++ so I haven't investigated this any further. You're free to try my (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: Varying the output voltage?
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This is what I noticed, comparing the two systems with BrickOS One thing that I noticed was at the lower voltages the needle on my multimeter wavered around a little and it tended to steady at the higher power levels All of the readings were taken (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
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| | OS X Complier problems solved--now struggling with BrickOS
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Ok, you can (perhaps--I haven't been able to test it yet) ignore my previous post. I was trying to build the cross compiler using GCC 3.3, and nothing I tried would work. When I switched to 3.2.3, the errors disappeared. So I'm making the temporary (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
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| | Cross Compiler for the Mac Os X
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Has anyone had any luck creating a cross complier for the Mac? I've downloaded Michael Zapp's, but he said it wasn't working for C++. I've been trying to compile my own, but I keep getting errors. Any suggestions or pointers would be greatly (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
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| | Re: Varying the output voltage?
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(...) Actually there are four, sort of, as for 0 there are float (contacts separated, infinite resistance) and brake (contacts shorted, zero resistance). The standard firmware switches rapidly between on and float (each cycle takes 8ms), which (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
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