 | | Re: Linux, Cygwin, DJGPP: what is it all about?
|
|
What exactly needs to be done to 'upgrade' DJGPP to work with the new LegOS? Are these same changes required for cygwin? I assume the 'unix' part of this is done by the "LegOS Team", which means it works with Cygwin, but now someone (like Ed) needs (...) (22 years ago, 19-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Linux, Cygwin, DJGPP: what is it all about?
|
|
(...) I don't expect too many people to find it. It has been removed from legOS homepage and I had to dig into some archives for the link. (...) TRUE, VERY TRUE! (...) I think the simple answer to this is "Windows users have two options Cygwin and (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Scheduler patch
|
|
I have found that using proportional timeslicing works great in many situations. It is more forgiving for new developers, since a "runaway" process will not block processes of lower priority. (runaway process used here to mean a process which never (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: *** Remainder: legOS new name poll ***
|
|
How many names have neen suggested? 1? 100? ... (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | *** Remainder: legOS new name poll ***
|
|
Remember that the search for the new name for legOS is en route. The procedure is the following: 1) send your name proposals (10.06. - 22.06.) Please mail me your name ideas. Do this with a personal e-mail to: legOS-namepoll@gmx.de The subject line (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Linux, Cygwin, DJGPP: what is it all about?
|
|
Hello Ed, problems, problems, problems :) <sigh> Never knew your DOS life is so complicated. Seems urgent to handle this for the new release (easy to say this because I don't have a DOS based legOS system...) (...) Never saw this link. (...) Really? (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Linux, Cygwin, DJGPP: what is it all about?
|
|
Hello Steve, (...) I don't see a problem in the inclusion of a legOS.srec. But I don't know what happens if you compile your user programs with some other compiler then that building the legOS.srec. And I think that compiling the legOS system is a (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Linux, Cygwin, DJGPP: what is it all about?
|
|
Michael, I agree with you up to ... (...) if (...) wanting (...) here. (...) And I quote from the section "A stark moral choice" in the document The GNU Project ((URL) I looked for a way that a programmer could do something for the good. I asked (...) (22 years ago, 18-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Linux, Cygwin, DJGPP: what is it all about?
|
|
Wow. Michael, this helps a lot. Thanks. But now I have some other questions... (...) Yes, that makes sense. But having the LegOS image would save the "Beginning LegOS User" from needing to learn how to build that stuff, when that knowledge (how to (...) (22 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Linux, Cygwin, DJGPP: what is it all about?
|
|
Ok, lets try to fiddle some things out. There seems to be a confusion about the software needed for running legOS and why. And there seems to be some confusion about what cygwin and DJGPP are. legOS runs user programs written in C and compiled to (...) (22 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
Is DJGPP easier to use from DOS (Windows)? Can CygWin be executed from a command line? When I set up my PC with LegOS (about a year ago) I installed DJGPP (with the help of a Unix friend), and I've been very happy with it. Recently, I just set-up a (...) (22 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
Steve, Could you share a little more about what you have done with the Visual Studio setup? Thanks! Ed Steve Hassenplug <hassenplug@mail.com> wrote in message news:20020615231547....ail.com... (...) writing programs with LegOS. (...) (22 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
Michael, What I am hearing here and have heard in the past, along with my own personal experience, is that developing for legOS under Windows and more specific cygwin can be or is a pretty difficult task. Compounded on top of that is if you have (...) (22 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Install for legOS
|
|
Hey All, I've talked with several people about this. First, a quick generalization: IMHO, there are two types of LegOS users: 1) Unix/Linux programmers who use LegOS as another platform for development, and don’t really care about building robots. (...) (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: **** legOS new name poll starts now ****
|
|
BrickOS? As in MIT's Brick project... Regards, Bill ___...___ William Sequeira, Ph.D. -- Principal, Axon Hillock, Inc. (...) (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
(...) I'm running legOS from Linux, so I don't know Ultraedit. But if its suitable for your needs and free it seems to be a good choice. Regards, Michael (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
I didn't want to have to write my programs for LegOS and then type a ton of commands only to find that I made a mistake. So I downloaded UltraEdit-32 9. It allows unix type file to be saved (This will replace the carriage return and line feed (...) (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
Hello David, (...) What would it help? (...) Have you ever tried legOS? First, if you are running legOS from Linux, you don't need cygwin and that kind of things. They are only needed to resemble a UNIX enviroment under DOS. And the UNIX system is (...) (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: **** legOS new name poll starts now ****
|
|
(...) That is why we search for a new name. The LEGO group said that they don't like legOS and all possible deviations. If you look on the official mindstorms webpage, legOS is not mentioned. On the other hand, they where so kind only to ask for a (...) (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: **** legOS new name poll starts now ****
|
|
(...) I'm wondering, has anyone asked LEGO for permission to continue calling it 'legOS' (emphasizing the unique capitalization)? What was the response? -- David Schilling (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
(...) It really WOULD be nice if someone created a simplified way of getting up and running for legOS, even if it didn't actually contain a GUI interface for programming (though I by no means would discourage someone from providing THAT as well!) or (...) (22 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: GUI for legOS
|
|
There isn't a GUI for LegOS. I have my Visual Studio set up to do all the stuff I need to do when writing programs with LegOS. Steve ----- Original Message ----- From: "scott davis" <rcxman2@msn.com> Date: Sat, 15 Jun 2002 18:02:42 GMT To: (...) (22 years ago, 15-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | GUI for legOS
|
|
Is there a GUI for legOS like Bricx CC for NQC? If there is, is it easier to use and do you lose features useing it? Thanx scott (22 years ago, 15-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Scheduler patch
|
|
Well, actually not :) If users don't want proportional timeslicing the patch is completly useless, but if they do, it might be usefull. /Joel (...) (22 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Scheduler patch
|
|
(...) Do you have some examples where your patch could be useful? Eric (22 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Scheduler patch
|
|
Joe I'm happy you found my patch quite interesting! I, just as you, think the kernel could be simplified quite alot. Actually my goal was initially to reduce size and overhead but I when I decided to add proportional timeslicing the goal changed. (...) (22 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Scheduler patch
|
|
Joel, I have found your work to be quite interesting! I made quite a few modifications in the kernel starting with ver 0.2.5 and had hoped to have some of the modifications included in ver 0.2.7 My goal was to reduce size and overhead which is quite (...) (22 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Scheduler patch
|
|
Hello! I've been doing some changes to the legOS scheduler. Now execution-time of user tasks are proportional to priorities. See (URL) are made to legOS 0.2.6 and I didn't manage to get a working diff file, so just download the following files and (...) (22 years ago, 13-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: seting up legos 0.2.6
|
|
"Ed Manlove" <emanlove@ieee.org> wrote: <snip> (...) When you install from the net, setup.exe actually still d/loads and saves files locally, in a subdirectory with a long funny name (containing the name of the host you d/load from) in your "package (...) (22 years ago, 12-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: USB Tower support for linux
|
|
(...) Lack of time. But everybody is welcome to work on it. (...) No problem, the bricks are identical for all practical purposes (actually that's what I do all the time). Jürgen (22 years ago, 12-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | USB Tower support for linux
|
|
Hi all, Does anybody know why legoUSB effort is inactive since 09 January of 2002.I have a RCX2.0 brick and I would like to try with the legos. I'm not interested in any MS Windows host development platform solution while I find linux alternatives (...) (22 years ago, 12-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: seting up legos 0.2.6
|
|
Scott, I only downloaded the ones listed and got it running for the most part. I did come across a few errors which seemed to be easily solved by downloading one or two packages other packages. But I am not sure if it was just user error as compared (...) (22 years ago, 11-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: seting up legos 0.2.6
|
|
(...) Full setup of cygwin = very large You certainly need not get the XFree86 and texmf packages unless you are interested. Max. (22 years ago, 11-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | seting up legos 0.2.6
|
|
when installing cygwin is it best to download all the components or just the ones listed. scott (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: RCX schematic
|
|
(...) (URL) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | RCX schematic
|
|
Hey, Does anyone know where to find a schematic of the RCX, or at least know what output ports map to the sensors and motors? Thanks -Brent Talley (22 years ago, 6-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Powered off, but still on?
|
|
(...) Funny, I just posted an article here about something similar. I started using LegOS a few days ago, and had the following problem a few times: after a power off period (of several hours) the power on did not produce any visible effect, and the (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | LegOS shorting the batteries?
|
|
Hi, (I'm new to Mindstorms and new to LegOS so excuse me if this is a stupid/obvious question.) I'm using LegOS 0.2.6 on w2k. I built a simple rover robot, and a program to control it (2 touch sensors, a ligth sensor, 2 motors) in C, and upload it (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: problem using emulegos
|
|
First off what OS are your running on? I do all emuLegOS development under Linux (Mandrake 8.1, not that it should matter), so if you are on any other platform you may run into issues. Of course emuLegOS should work on just about any Unix as long as (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | **** legOS new name poll starts now ****
|
|
Let us start the "new legOS name project". The procedure is the following: 1) send your name proposals (10.06. - 22.06.) Please mail me your name ideas. Do this with a personal e-mail to: legOS-namepoll@gmx.de The subject line should read (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Powered off, but still on?
|
|
Recently, I went to use a couple RCXs that were loaded with LegOS. These two had both been used previously (about 1 to 2 weeks ago) but should have both had plenty of battery life remaining. I found that they both had drained the batteries (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Here I go...
|
|
Well, I've just volunteered to give a presentation on LegOS at Brickfest 2002. I don't think I'm the most qualified person to present LegOS, but I am willing. And that seems to be the only real requirement! First, I'm a programmer (VB), and I've (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | problem using emulegos
|
|
hi all, im having problem using emulegos 1.2.5.0 with legOS 0.2.4 i have used legOS 0.2.4 for over 1 year now withouth any problems (including lnp), but for some reason when i type make in ~/hovedfag/emulegos/...ples/rover i get: makefile:8: (...) (22 years ago, 10-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: bug in setting lnp host address?
|
|
And, you'll probably hate my reply... "Just because you can do something, doesn't mean you should." The very idea of a discontinuous array of bits representing a network address in something as rudimentary as LNP makes my hair stand on end. The idea (...) (22 years ago, 5-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | NQC functions in C???
|
|
Hello all I am looking for C code for legos, to do the same as the below in NQC psksvp SetSerialComm(SERIAL...MM_76KHZ); SetSerialPacket(SERI..._DEFAULT); // Set the first unit two message bytes and send them SetSerialData(0,MANA...0x10+em1); (...) (22 years ago, 5-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Thread class
|
|
// Thread Class for Legos // By Pongsak Suvanpong // psksvp@ccs.neu.edu // use it anyway you'd like as long as this comment is here #ifndef __THREAD_CLASS___ #define __THREAD_CLASS___ #include <unistd.h> #include <sys/dsensor.h> #include (...) (22 years ago, 5-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: bug in setting lnp host address?
|
|
you'll probably hate me for being a nitpicker.... (...) technically, you should not do any bitshifting at all. There is always the odd case when someone decides to be clever and have a hostmask with interleaved zeros. for example, a hostmask of (...) (22 years ago, 5-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: bug in setting lnp host address?
|
|
You are correct in stating that I shouldn't have restricted you to 16 nodes X 16 ports. I did however, want to normalize the host address in the visible API and user interfaces to be a small 0..N number instead of a random hex byte value, properly (...) (22 years ago, 4-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | bug in setting lnp host address?
|
|
include/lnp/lnp.h (from the cvs repository) 114: file://! set new LNP host address 115: extern inline void lnp_set_hostaddr(unsigned char host) 116: { 117: lnp_hostaddr = ((host << 4) & CONF_LNP_HOSTMASK); 118: } Why is host bitshifted by 4? This (...) (22 years ago, 4-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: help with setting up legOS 0.2.6 on Windows XP
|
|
Scott, I suggest you start by following the instructions by Paolo Masetti found at (URL) He has written a pretty thorough set of instructions that should get you started. I do suggest that you read it over once BEFORE starting so you don't miss (...) (22 years ago, 2-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | help with setting up legOS 0.2.6 on Windows XP
|
|
I'm new to legOS and would like help setting up legOS on my computer thanks scott (22 years ago, 2-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Mac OS X
|
|
Ed, Thanks, I was familiar with that thread. Unfortunately not much useful info came out of it. I was hoping for a report from someone who was ultimately successful in building legOS and its tools, as well as building the cross-compilers on a USB OS (...) (22 years ago, 2-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Promising software
|
|
(...) I went over to the colibri.org website, and while they mention that "colibri currently supports one hardware platform - the Lego RCX brick", they also say that putting it in an RCX is "not useful", and actually tell people to use legOS (...) (22 years ago, 29-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Mac OS X
|
|
Brian, Someone recently asked the same question. Check out (URL) am not sure the results of their efforts so good luck! Ed (...) (22 years ago, 1-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Mac OS X
|
|
Hi, Has anyone had any success with building the legOS system under Mac OS 10.1.4? I downloaded version 0.2.6, put it in my user application folder, and then just typed make. Here is the result. [tw3rakitin:~/bin] rakitin% cd legos-0.2.6 (...) (22 years ago, 1-Jun-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS / Orignal Firmware
|
|
Thanks "Ross Crawford" <rcrawford@csi.com> wrote in message news:Gwy7Bn.DJu@lugnet.com... (...) this (...) this (...) can (...) (22 years ago, 31-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: LegOS / Orignal Firmware
|
|
(...) You can use the original LEGO download if you remove legOS first - this can be done by pressing the on/off button while holding the run button. HTH ROSCO (22 years ago, 30-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | LegOS / Orignal Firmware
|
|
Hello All! If I have installed LegOS on the RCX (I have not done this yet!) and I want to go back to the orignal lego firmware, is it still possible to use the firmware download option in the orignal Minstorm Software? or I'll have to use firmdl3 (I (...) (22 years ago, 30-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Promising software
|
|
Hi everybody, there seems to be a new RCX operating system starting right now. Look at the following page: (URL) (22 years ago, 27-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Setting LNP host address
|
|
(...) Why not allow all 4? 1. Have a build option that the variable is set to by default; 2. An option on firmdl3 over-rides this if required; 3. An option on dll over-rides this if required; 4. An API (macro or in-line sub) to set it from a user (...) (22 years ago, 24-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Setting LNP host address
|
|
At first, it seems logical that firmdl3 would be the best place to make the change. However, it was very easy to allow the Host ID to be changed at runtime. Whether changed by a user program or changed via the RCX buttons/lcd, it is easy enough to (...) (22 years ago, 24-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Code-examples, books and papers in C/C++ for legOS?
|
|
(...) The best I've seen (and I've not seen all material available) is still Luis Villa's work: his HOWTO at our site ((URL) and that which is published in the book "Extreme Mindstorms" ISBN: 1-893115-84-4 Another good source is the customized HOWTO (...) (22 years ago, 23-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Code-examples, books and papers in C/C++ for legOS?
|
|
(...) There are, of course, many mindstorms books out there. I see in them (I have purchased at least six of them) that the majority of code examples is in NQC. As you might know we are working on the next major release and in that context let me (...) (22 years ago, 23-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Setting LNP host address
|
|
(...) Joe Woolley prototyped the firmdl3 mods, I think, and has now a user program which can change the Id. This now makes 4 approaches we have to consider ;-) My thinking on firmdl3 use was that it is a direct replacement for compile time set that (...) (22 years ago, 23-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | RE: Code-examples, books and papers in C/C++ for legOS?
|
|
Hi, please post any programs to the group, or e-mail me as well. I am always interested in looking through example code, to see how others are doing things and to get new ideas. Thanks -----Original Message----- From: news-gateway@lugnet.com (...) (22 years ago, 22-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Code-examples, books and papers in C/C++ for legOS?
|
|
I am a swedish student that togheter with my colleague are working with legOS on a project: (URL) would welcome some suggestions about literature in C/C++ with legOS. Anything could be of interest. (22 years ago, 22-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | LegOS, lnpd, and networking
|
|
It seems to me that a lot of the discussion lately has been on networking multiple IR (infrared) clients using legOS. Is the IR tower using an ID? This would identify messages from the IR vs an RCX. Also could the addressing be extended to allow IP (...) (22 years ago, 21-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Setting LNP host address
|
|
I've experimented with a couple of choices which were relatively easy to implement. Let me know if we should keep any these: 1. You can choose to set the host address at build time with a command-line option to make. Example: make LNP_HOSTADDR=2 (...) (22 years ago, 20-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | lets drop exec
|
|
I'd like to make a suggestion and see what everyone thinks. I'd like us to drop our current thread interface (exec/kill) in favor of a pthead interface. Since theading entered legOS I've wondered why the exec style was adopted, the functionality of (...) (22 years ago, 20-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | lnpd and mandrake 8.2
|
|
Hi, I have install the last legOS and have install lnpd to. But i have a problem when i run an applcation lnptest for example : it don't work.... Here is the problem "lnp_init: Network is unreachable". I run lnpd with the command "lnpd --nolock (...) (22 years ago, 20-May-02, to lugnet.robotics, lugnet.robotics.rcx.legos)
|
| |
| | new patch to modify LNP ID with util/dll
|
|
I've posted a patch at sourceforge which allows you to modify the RCX's LNP id using the util/dll program. This should make life easier for those of us using multiple RCXs and LNP. This patch applies to the current CVS head, post 0.2.6, though it (...) (22 years ago, 20-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: cygwin error
|
|
(...) what do i change and what PATH? (22 years ago, 18-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | RE: latest legOS strangeness
|
|
(...) Interesting question. I'll try this at home with my remote and RCX loaded with standard firmware. Anyway, that could only say that the remote control knows that it has to send a OFF (brake) cmd to the RCX when fwd and rev are pressed together, (...) (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: cygwin error
|
|
(...) / (...) 1) gcc for the H8/300 can be called h8300-hms-gcc or h8300-hitachi-hms-gcc. You may need to edit legOS's Makefile.common 2) Is the h8300 gcc in the PATH? Max. (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: latest legOS strangeness
|
|
(...) I may be wrong - 'my' RCX is actually my brother's, and is 3 hours drive away - but doesn't the remote control with the official firmware do float when buttons released, but brake if forward and reverse are pressed together? Max (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: somewhat off topic, but...
|
|
I'm NOT biased because I DIDN'T write the thing... Forth is a wonderful language that has a proven track record. I don't use it in my job simply because management has never heard about it. I don't mean to imply that languages are chosen by (...) (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: latest legOS strangeness
|
|
(...) is (...) Not really.. braking using the current generated by the motor (acting as a generator) once the power is removed from it. H-Bridge has what is called a break bit. The break bit simply shorts the two terminals on the motor together, (...) (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: latest legOS strangeness
|
|
(...) Maybe make this selectable with a build option? The bad thing about brake is that it actually draws current (=reduces battery life) ROSCO (22 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | cygwin error
|
|
i got this error while trying to setup legOS 0.2.6 i'm running windows XP scott@FAMILYCOMPUTER /legos-0.2.6 $ make depend for i in util lib boot demo ; do make - --unix NODEPS=yes -C $i depend || exit 2 ; done make[1]: Entering directory (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: latest legOS strangeness
|
|
I was torn between 'float' and 'brake' when implementing the remote control handler. I eventually opted for 'brake' since that is how the Lego RCX firmware does it. With regard to the strange motor behavior. I too noticed this while debugging the (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: latest legOS strangeness
|
|
(...) Nope, shorting the motors has no effect on the batteries actually.. when you spin the motor, it acts like a generator... by shorting out the motor you are actually using the motors own reverse emf (electromotive force) to brake system. I (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: latest legOS strangeness
|
|
(...) To ansswer my own question. The problem was caused by memory corruption. In this case the memory corruption was caused by downloading a very large program in slot 1, and a small program in slot 7. The loading of the program in slot 1 seems to (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | latest legOS strangeness
|
|
I checked out the head of the CVS tree last night and was trying out some of the new stuff. I noticed something quite odd and wanted to see if anyone has any ideas. When I run programs, and the motors aren't turned on they make a stange clicking (...) (22 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Lingo
|
|
No, sorry if I was confusing. EGCS is now obsolete. See (URL) and (URL) Original Message ----- From: "Samuel Winchenbach" <swinchen@eece.maine.edu> To: <lugnet.robotics.rcx...ugnet.com> Sent: Wednesday, May 15, 2002 3:24 PM Subject: Re: Lingo (...) (22 years ago, 15-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Lingo
|
|
(...) EGCS was an offshoot of GCC, with the only difference being how the developers worked together (the bazaar vs. the cathedral model). Eventually, EGCS was declared the victor as most developers switched to it and it became the official GCC (...) (22 years ago, 15-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | RE: somewhat off topic, but...
|
|
Kenneth, (...) I wrote it so I'm biased... (...) I'll get to the ttasker in a minute, but pbForth is the only alternative firmware with native support for SERVOS if you use the simple circuit I developed here: (URL) The newest version 2.1.3 has an (...) (22 years ago, 15-May-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.pbforth)
|
| |
| | Re: Lingo
|
|
(...) once (...) site for it anywhere. gcc 3.0.4 was ubdated earlier this year... This whole relationship between gcc and EGCS is very confusing, especially when www.freshmeat.net doesnt even have egcs available! (22 years ago, 15-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | somewhat off topic, but...
|
|
anyone tried pbforth ? im doing a comparison between the different possibilities here and looking at pbforth i was somewhat intrigued, until i discovered that you cannot multitask(more than 1 thread of execution). anyone here tried pbforth and can (...) (22 years ago, 15-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Lingo
|
|
(...) A mailing list without any posts isn't much use :-) (...) gcc is the compiler, and it uses the binutils tools. The build script just automates the several commands you would otherwise have to type. (...) Yep. You need a compiler that creates (...) (22 years ago, 15-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Lingo
|
|
I forgot one.... arg #9) What do the patches do that come with the build script? there are two of them.... (...) scripts... (...) cross (...) together, (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Lingo
|
|
Sorry to make so many posts here! I am a little confused by some of the lingo I see flying around... so I am going to make a number of questions... #1) In windows, why do we need to download binutils, gcc, and the scripts... what do they all do? #2) (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
I build and install with: make ALL_TARGET_MODULES="" make INSTALL_TARGET_MODULES="" install But I used gcc-2.95.3 (pristine, not cygwin source) (with binutils-2.12, for reference) (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
"Samuel Winchenbach" <swinchen@eece.maine.edu> wrote in message news:Gw3upA.J4s@lugnet.com... (...) h8300-hitachi-hms-gcc -O2 -fno-builtin -fomit-frame-pointer -Wall -I/home/Ad (...) ministrator/legos/include -I/home/Administrato...nclude/lnp -I. (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
I think I may have gotten closer. I compiled legOS and that seemed to work fine... I followed the instructions verbatim.... then I tried doing the following: $ cd legos-0.2.6/demo $ rm -f *.o *.lx $ make helloworld.lx h8300-hitachi-hms-gcc -O2 (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
"Ed Manlove" <emanlove@ieee.org> wrote in message news:Gw3s5x.Cnx@lugnet.com... (...) What about these errors? /build/gcc-2.95.2/li...temp.c:29: stdio.h: No such file or directory /build/gcc-2.95.2/li...temp.c:30: sys/types.h: No such file or (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
Samuel, From Paolo install instructions (under "2. Build the Hitachi-H8 cross-compiler" last bullet) "Ignore the warnings in compile process. It should work." Essentially you should get some warnings. I suggest you go ahead an try compiling the (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
Thanks for everyone's help. I just decided to install all the packages.... but now I have a different problem. I start to compile the cross compiler, and everything seems to be going fine.... except at the very very end. I get the following message: (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
setup.exe Package Listing on cygwin.com will tell you that you need the libintl1 package. Probably dependencies for grep are incorrect, otherwise it would have been installed automatically. ----- Original Message ----- From: "Samuel Winchenbach" (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Hmm... install not going so smooth
|
|
Samuel, Yes I have seen this error. I am guessing your install a couple of weeks ago was actually using B20 version of cygwin? or that you have reinstalled cygwin? I was moving things around and got this error along with some error dialog boxes (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Camera and legOS
|
|
1. the Vision Command Camera and writing software for the camera 2. interfacing your software with a legOS powered robot. 1. The Lego Vision Command is actually a Logitech USB camera repackaged inside some lego pieces. There is a [mostly inactive] (...) (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
|
