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 Robotics / RCX / *7755 (-100)
  Re: Please Help?! Problems with installing LegOS on WinXP
 
(...) If you haven't installed 'make', there is *no way* you successfully built the compiler. If you go back to the URL you quoted, you will see make is listed as one of the required Cygwin packages to install. Re-run Cygwin setup.exe, install make, (...) (21 years ago, 19-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Please Help?! Problems with installing LegOS on WinXP
 
(...) Hi Ed, Thanks for replying. In (URL) Hitachi H8 cross-compiler was built in: c:\cygwin\build I'm assuming that's where it is. Also, what is the "make" command? Bash in cygwin cant seem to find it. Thanks Tyler. (21 years ago, 19-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Please Help?! Problems with installing LegOS on WinXP
 
(...) [SNIP] (...) Tyler, Where is compiler executable located on your system? Ed (21 years ago, 19-Jul-03, to lugnet.robotics.rcx.legos)
 
  Please Help?! Problems with installing LegOS on WinXP
 
Hi, Can anyone please, please help me with the installation of LegOS on my WinXP laptop? I have followed the instructions in "brickOS 0.2.6.10 Instructions for installing in WinXP" at (URL) to the letter but I still can't seem to get LegOS to run. (...) (21 years ago, 19-Jul-03, to lugnet.robotics.rcx.legos)
 
  Problems with USB Tower
 
Hi there, I got a problem running my USB-Tower on Linux. I installed the LegoUSB-driver and it seems to work (i see it in /var/log/messages when i plug it in). But when i run firmdl3 i get the following message: /dev/usb/lego0: not a tty I tried it (...) (21 years ago, 19-Jul-03, to lugnet.robotics.rcx.legos)
 
  Zooming in robolab, printing in RCX
 
Is there any way to zoom into the icons in robolab, they are a bit tiny and I wanted to know if I could make them look bigger so its easier to see. Also does the RCX Code (or RIS program that comes with the mindstorms kit) have the capability to (...) (21 years ago, 18-Jul-03, to lugnet.edu, lugnet.faq, lugnet.general, lugnet.robotics, lugnet.robotics.edu, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
 
  Re: Install problems on Linux RedHat 9
 
(...) You should stay with this version if you don't want to use C++. (...) This is the newest compiler, I think. The problem with this is that the famous "multi line string literals" are not working any more. Mlsl have been marked as deprecated in (...) (21 years ago, 18-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Install problems on Linux RedHat 9
 
(...) ... (...) ... Yes, no one has ported the C++ bits of brickOS to work with gcc3. Use gcc2, or restrict yourself to plain C. (...) ... (...) Yes, gcc3.3 removed support for multi-line string literals. The brickOS committers all seem to be rather (...) (21 years ago, 18-Jul-03, to lugnet.robotics.rcx.legos)
 
  Install problems on Linux RedHat 9
 
Hi, I tried to install brickos-0.2.6.10 and have been unsuccessful. I started by going to rpmfind.net to get the h8300 binutils and gcc. The versions were: h8300-hms-binutils-2.11.2-1 h8300-hms-gcc-3.0.1-2 The brickos make failed with the following: (...) (21 years ago, 18-Jul-03, to lugnet.robotics.rcx.legos)
 
  USB/Serial Converter
 
Hi, folks. I've tried to connect to my RCX 1.0 (firmware 0328) from my laptop. Since I have only a serial IR tower, it works fine on my desktop PC, but communications won't work when I use a USB/serial converter to connect it to my laptop (there (...) (21 years ago, 18-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
(...) (how the manual says to do data)? That's because I don't like to type more than is necessary! :-) Take this line for example: mov.b #0x02:8,r0h This line is doubly redundant. The destination operand is an 8-bit register so the other qualifiers (...) (21 years ago, 18-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
Ok, the motor stuff makes sense, I got a little confused with the shift thing. I looked at the proggamming manual some more and it explaned the @ (Register inderect) but I don't see why it is needed, also in you example you specify the data as (...) (21 years ago, 18-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
A direct link to the page with the documents is (URL) Jürgen Stuber <stuber@loria.fr> (URL) rot 13 "fr" "se" (21 years ago, 17-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
(...) You should look at Kekoa Proudfoots documentation of RCX internals ((URL) and his librcx library to understand the calling convention for the ROM. Then get yourself the H8300 tools (gcc et al) somewhere, this includes assembler and (...) (21 years ago, 16-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
(...) mentioned previously) that describes the on chip I/O features of the H8 if you plan on doing any work with the sensors. (...) to (...) that (...) To turn on motor C forward you would do this: mov #0x02,r0h mov r0h,@0x80:8 The second (...) (21 years ago, 17-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
Cool, thanks I was able to find the doc here: (URL) post about the motor seems helpful, so if I understand right the way to run motor A forward would be "mov 0x030003,r0h mov 0x80,r0h" and for the motor C the same except 0x06? How does the (...) (21 years ago, 17-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
Here's a more direct link for the H8 docs: (URL) down to the literature section and download the two PDFs. For assembly, I would recommend starting off with an installation of BrickOS and perusing the various source code files for the kernel. You'll (...) (21 years ago, 16-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Programming in Assembly
 
(...) find the old documentation files is a bit tricky, it took me some time to figure them out. Anyway, take a look at: (URL) look at the product list. Regards, Michael (21 years ago, 16-Jul-03, to lugnet.robotics.rcx.legos)
 
  Programming in Assembly
 
I was interested in writing some assembly code for the lego mindstorm, I don't plan on writing an incredibly complex program though. I am learning asm for the z80 chip so I have a little experience. I only want a single threaded application with one (...) (21 years ago, 16-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: Modifying the BrickOS source code
 
Thanks Joe, it makes sense now and I understand it is something that is difficutl to explain esp, through a message board. Thanks for helping me out... Mike (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Modifying the BrickOS source code
 
Here is a visual representation: [ KERNEL ]mm_start[ HEAP ] The heap will contain ALL of the following: User Programs, User Allocated memory, Kernel allocated memory (not including static/global variables and constants). The only thing that is prior (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Modifying the BrickOS source code
 
(...) Thanks for the description Joe, but in the above paragraph you seem to contradict yourself, you say that mm_start is the end of kernel mode, but alos that user programs are located above mm_start I do not understand that part, did you mean (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Modifying the BrickOS source code
 
Mike, IIRC, mm_start is the beginning of the heap. When the system or a user program requests memory (new in C++ or malloc/calloc in C) the memory is taken from this block (from mm_start to the end of memory) What might be confusing is how the (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Modifying the BrickOS source code
 
Thanks to all with the help, I finally got my new News setup info (my original login wasnt working so I had to re-sign up but it took about 2 weeks to hear from lugnet, so Charlie posted some stuff for me). I am looking at mm.c for my project and I (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: BrickOS motor-output: Subject to change?
 
Do you use another firmware downloader besides firmdl3? Recent changes to BrickOS changed the memory layout a bit and this could be an issue. For example, I just discovered that the nqc firmware downloader doesn't like firmware files with (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: BrickOS motor-output: Subject to change?
 
Hi, I remember. I have tried brickOS 0.2.6.10 but I had problems with downloading the firmware. I was unable to get the new kernel into the RCX. I do not have this problem with 0.2.6.9. Thanks, Dietmar (...) [...] (...) [...] (21 years ago, 14-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: How to user MONITOR command for watching TIMER in Spybotics
 
Dear Dave, Thank you for your reply. In fact, for several nights I was using very similar snippet you provided to watch the timer before posting my problem, however, I was careless to spell the Timer(0) with TIMER(0) and the compiler always (...) (21 years ago, 13-Jul-03, to lugnet.robotics.rcx.nqc)
 
  Re: How to user MONITOR command for watching TIMER in Spybotics
 
This program below shows how a timer event can be used. Dave Baum ---- #define MY_EVENT 0 task main() { ClearTimer(0); SetEvent(MY_EVENT, Timer(0), EVENT_TYPE_HIGH); SetUpperLimit(MY_EVENT, 1000); monitor(EVENT_MASK(MY_EVENT)) { while(true) { (...) (21 years ago, 12-Jul-03, to lugnet.robotics.rcx.nqc)
 
  How to user MONITOR command for watching TIMER in Spybotics
 
Dear Members, I managed to use NQC MONITOR command to watch TIMERs in my SCOUT using the predefined SCOUT events (EVENT_TIMER_0). However, I failed with my Spybotics and RCX 2.0. My question is how can I use the MONITOR command to watch TIMERs (or (...) (21 years ago, 10-Jul-03, to lugnet.robotics.rcx.nqc)
 
  Re: Help with lnp
 
(...) (URL) the latest 0.2.6.10 version. Regards, Michael (21 years ago, 9-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Help with lnp
 
I guess I should have been more specific initially. Our question, more precisely, is which version of brickOS can we use on regular redhat linux? We will use your directions as well, but what we were really stuck on was which of the brickOS versions (...) (21 years ago, 9-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Help with lnp
 
Hello Katie, (...) A good decision. (...) To install software on (RedHat) Linux, you will use a program called rpm. Rpm is a packet manager; it can install new programs, you can ask rpm if a package is installed, you can update an existing package (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Help with lnp
 
(...) So if you don't want to take the time to configure linux, then you can perhaps try to download legnoppix. Legnoppix is a linux distribution bootable on CD you don't need any installation and it include all lego tools available in linux (not (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: BrickOS motor-output: Subject to change?
 
Hi Dietmar, Have you tried brickOS 0.2.6.10? Code was added to that version to address this issue. Mark "Dietmar Cordes" <cordes@lepomux.org> wrote in message news:3F0A7BA7.207050...mux.org... (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Help with lnp
 
(...) 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)
 
  BrickOS motor-output: Subject to change?
 
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)
 
  Re: robot as input device
 
> 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)
 
  Re: robot as input device
 
(...) 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)
 
  Re: robot as input device
 
(...) I don't really understand what you want to do ...... nanobapt (21 years ago, 7-Jul-03, to lugnet.robotics.rcx.legos)
 
  robot as input device
 
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)
 
  Re: Modifying the BrickOS source code
 
(...) 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)
 
  Re: Robolab Investigator
 
(...) When you click on new project, you will be prompted for a file name to save your project file (with .llb extension). Your project then opens with the program area showing a Level 1 template. Changing to Level 4 or 5 gives you a collapsed (...) (21 years ago, 3-Jul-03, to lugnet.robotics, lugnet.robotics.rcx.robolab)
 
  USB tool under linux
 
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)
 
  Re: Modifying the BrickOS source code
 
(...) 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)
 
  Re: Modifying the BrickOS source code
 
(...) 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)
 
  Re: Help with lnp
 
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)
 
  Re: Help with lnp
 
(...) 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)
 
  Re: Modifying the BrickOS source code
 
(...) 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)
 
  Re: Modifying the BrickOS source code
 
(...) 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)
 
  Re: Help with lnp
 
And legnoppix ? What about this solution ? nanobapt (21 years ago, 1-Jul-03, to lugnet.robotics.rcx.legos)
 
  Re: Modifying the BrickOS source code
 
(...) 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)
 
  Re: Help with lnp
 
(...) 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)
 
  Modifying the BrickOS source code
 
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)
 
  Re: Touch Switch 2974
 
"Philippe Hurbain" <philohome@free.fr> wrote in message news:HH8tDw.B8I@lugnet.com... (...) metallic (...) with (...) No capacitor as far as I can tell. I looked at it on the scope and the transitions were no different than if I just used a 2.2K (...) (21 years ago, 1-Jul-03, to lugnet.robotics.rcx)
 
  RE: Port 5 Bit 2
 
Mark, Good information. I was wondering what else got powered down by that bit. Once again, I think we need to take a moment to think about what life would be like without LUGNET. Just having those old archives to look through can help save a large (...) (21 years ago, 30-Jun-03, to lugnet.robotics.rcx)
 
  Re: Help with lnp
 
(...) 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)
 
  Help with lnp
 
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)
 
  Re: Touch Switch 2974
 
(...) Did you try to test contact bounce ? since there is a rather high value resistor, perhaps Lego added a small capacitor too to debounce it? Philo www.philohome.com (21 years ago, 29-Jun-03, to lugnet.robotics.rcx)
 
  Touch Switch 2974
 
(...) metallic (...) with (...) I was fortunate enough to find one of these on BrickLink and it just came in today. It turns out the resistance is 2.2K and I suspect the contacts are metal since the resistance doesn't seem to vary with pressure. (...) (21 years ago, 28-Jun-03, to lugnet.robotics.rcx)
 
  Port 5 Bit 2
 
Hi, While delving into the nitty gritty details of the RCX's power off routine, which was discussed a *long* time ago in these threads: (URL) the very low message numbers... :) I noticed that in addition to putting the RAM into low power mode, port (...) (21 years ago, 27-Jun-03, to lugnet.robotics.rcx)
 
  display driver data segment
 
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)
 
  Send/Receive messages under linux
 
Hi, I've writen a program to send messages to an RCX, depending on programable key strokes. My idea was to drive the robot "blindly", relying on standard firmware messages and replies. I've used Mr. Kekoa Proudfoot's code for packet assembly (files (...) (21 years ago, 19-Jun-03, to lugnet.robotics.rcx)
 
  2 Questions
 
Is it possible to reserve a particular RCX variable using NQC and then access it from within the program? And is using SetVar() the correct/best way to send a variable to the rcx using VB/spirit.ocx? I'd also like to know if their are any online (...) (21 years ago, 25-Jun-03, to lugnet.robotics.rcx)
 
  realloc in legos(brickOS)
 
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)
 
  Re: Robolab upgrade to 2.5.3 and other things
 
(...) Hallo Bill, I've Robolab 2.5. May you tell me where I can download the Service_Pack to upgrading from 2.5 to 2.5.2 ? Unfortunately the italian Dacta distributor have not. Thank you in advance. Alfio Scaletta from Italy (21 years ago, 22-Jun-03, to lugnet.robotics, lugnet.edu, lugnet.robotics.rcx.robolab, lugnet.robotics.edu)
 
  Re: All Lego Ack Circuit for LDCC
 
(...) indeed, the construction of this beast may be very different (e.g. metallic contact, 0 resistance... and a lot of bounce almost completely avoided with conductive rubber) Philo (21 years ago, 19-Jun-03, to lugnet.trains, lugnet.robotics.rcx)
 
  Re: Error linking c++ with gcc 3.3
 
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)
 
  Re: All Lego Ack Circuit for LDCC
 
Thanks Philippe, I wasn't sure of the characteristics of the Cybermaster touch sensors. Also, I didn't want anyone thinking it was OK to use this guy: (URL) checking the resistance (yeah, I know it looks different, but you never know... :-) Mark (...) (21 years ago, 18-Jun-03, to lugnet.trains, lugnet.robotics.rcx)
 
  Re: All Lego Ack Circuit for LDCC
 
(...) All touch sensors I measured have a "pressed" resistance between 400 and 600 ohms (depends on touch sensors and on pressure, more pressure meaning lower resistance). Actually there is no separated resistor, you get the internal resistance of (...) (21 years ago, 18-Jun-03, to lugnet.trains, lugnet.robotics.rcx)
 
  Re: Error linking c++ with gcc 3.3
 
(...) 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)
 
  All Lego Ack Circuit for LDCC
 
Hi All, One of the features of the LDCC firmware is the ability to read the configuration variables out of a DCC decoder installed in a train motor. In order to do this, you need to connect a small circuit consisting of one or two resistors from the (...) (21 years ago, 18-Jun-03, to lugnet.trains, lugnet.robotics.rcx)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
(...) 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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
(...) 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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
(...) <<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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
(...) 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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
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)
 
  Error linking c++ with gcc 3.3
 
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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
(...) 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)
 
  Re: Varying the output voltage?
 
(...) 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)
 
  Re: Varying the output voltage?
 
(...) 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)
 
  Re: OS X Complier problems solved--now struggling with BrickOS
 
(...) 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)
 
  Re: Varying the output voltage?
 
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)
 
  OS X Complier problems solved--now struggling with BrickOS
 
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)
 
  Cross Compiler for the Mac Os X
 
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)
 
  Re: Varying the output voltage?
 
(...) 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)
 
  Re: Varying the output voltage?
 
(...) The eight different power level pulsing is called "PWM", translation=Pulse width modulation. PWM is the way a digital chip cheats/mimics true analog without a D/A convertor. Since the only output of a digital chip is on or off, there is no (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
 
  Varying the output voltage?
 
I was wondering if it was possible to control the speed/torque of the motor by varying the output voltage in brickOS. It seems that the speed parameter on the motors only changes the rate at which they pulse on and off. I am looking for something (...) (21 years ago, 14-Jun-03, to lugnet.robotics.rcx.legos)
 
  Communication between RCX
 
Hello there, I've wrote a little library who permit you to communicate with RCX easily All information is in the package (URL) (21 years ago, 13-Jun-03, to lugnet.robotics.rcx.legos)
 
  BrickOS Talking to Robolab?
 
Has anyone used BrickOS to talk to Robolab? I really like the Robolab visualization tools and it would be a shame to not be able to fool Robolab into to talking to the BrickOS firmware. I am in the process of designing a simple Fuzzy controller and (...) (21 years ago, 11-Jun-03, to lugnet.robotics.rcx.legos)
 
  Re: DCC for the RCX
 
(Sorry, did FUT to .legos, but didn't post to it. I'm such a newbie!) (...) (21 years ago, 10-Jun-03, to lugnet.robotics.rcx.legos)
 
  Re: DCC for the RCX
 
(...) That would be ideal, IMHO. It would allow, among other things, LNP to be used for PC to LDCC communication. At IndyLUG, we've been wishing for DCC L-gauge since inception. The word "thanks" simply doesn't cover it, Mark. Congratulations on (...) (21 years ago, 10-Jun-03, to lugnet.robotics.rcx, lugnet.trains)
 
  Re: BrickFest website?
 
(...) Several people have contacted me about running some MindStorms challenges. Only a few have been submitted. (I recently found out that there was a glitch in the Presentation form,:-/ it should be fixed soon. If you have not received an email (...) (21 years ago, 10-Jun-03, to lugnet.events.brickfest, lugnet.robotics.events, lugnet.robotics.rcx)
 
  Re: DCC for the RCX
 
Hi Ralph, I should be able to extract the source for the low level driver routines this week. If anyone else is interested, please email me. Note for BrickOS users: it's not simply a matter of plonking the routines into a program. The kernel will (...) (21 years ago, 9-Jun-03, to lugnet.robotics.rcx, lugnet.trains, lugnet.robotics.rcx.legos)
 
  RE: DCC for the RCX
 
Mark, would it be possible to share the code of your DCC controller, I am the author of pbForth and would love to add the driver to the pbForth library. I've also got a servo driver in pbForth already. Too bad Hitechnic is out of business. Their (...) (21 years ago, 9-Jun-03, to lugnet.robotics.rcx, lugnet.trains)
 
  Re: DCC for the RCX
 
(...) One way is to mount one or more magnets on the underside of the train with their N-S pole oriented across the width of the train (to differentiate it from the couplers of just any old train) and then sense these specially-marked train cars (...) (21 years ago, 9-Jun-03, to lugnet.robotics.rcx, lugnet.trains, FTX)
 
  Re: DCC for the RCX
 
(...) LDCC (...) to the (...) to (...) this (...) of (...) index (...) I (...) the (...) Great, Chris, I'm glad it's working for you - and with another brand of decoder, yet! (...) worked (...) mode and (...) parameters. (...) of (...) meanings (...) (21 years ago, 9-Jun-03, to lugnet.robotics.rcx, lugnet.trains)
 
  Re: DCC for the RCX
 
I just converted my first engine to DCC yesterday and started playing with LDCC 1.01. LDCC is fantastic! Thank you, Mark! I installed an AD330 N-Scale decoder from Model Rectifier Corp according to the directions on Tom Cook's site. At 0.8 Amps this (...) (21 years ago, 9-Jun-03, to lugnet.robotics.rcx, lugnet.trains)
 
  Robolab upgrade to 2.5.3 and other things
 
Hello All, There is a patch of Robolab to 2.5.3. Is called Service_Pack12.1 It is around 4.2 mg in size Follow this URL: (URL) is also a list of bug fixes including; one specific problem that made me consider death on a weekend six months ago. (...) (21 years ago, 8-Jun-03, to lugnet.robotics, lugnet.edu, lugnet.robotics.rcx.robolab, lugnet.robotics.edu)


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