 | | RE: A very Power Tool
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I'm glad for the disabling of attachments, forcing people to put textual links. If I want a file, I'll download it, otherwise it's "wasted bandwidth" which someone has to pay for. Which operating system and applications are more secure is like (...) (23 years ago, 13-May-02, to lugnet.robotics)
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| | software-controlled motors
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Steve Baker writes: > I've used a collection of four Scouts driven by IR commands from an RCX > to drive a total of eleven motors. Just program the scouts to read simple > 1-byte messages sent from the RCX - use the top two bits to select which > (...) (23 years ago, 13-May-02, to lugnet.robotics)
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| | Re: start_process question....
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(...) first off, "proicess_name" should be "process_name", but thats not your problem. You are trying to use an integer as an array in this snippet. You have "int process_priority;" and then try to treat it as an array in "process_priority[pid]=1;" (...) (23 years ago, 13-May-02, to lugnet.robotics.handyboard)
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| | Re: A very Power Tool
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Robert Templeton writes: > (tired of virus attachments to e-mail) Me too. They're now banned from the lego-robotics mailing list, as are text/html-only postings, as are multipart/alternative postings. Email is text. You want HTML, go to the web. (23 years ago, 13-May-02, to lugnet.robotics)
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| | RE: What about this for a new RCX 2.5 setup?
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I'd be happy with a good "official" LEGO SONAR sensor and a fixed version of the LEGO Rotation Sensor (without the lost "clicks" bug) On the RCX side, I'd like a RCX 3.0 with 6+ sensor inputs and more outputs (and more RAM. I'm using MANAS sets to (...) (23 years ago, 13-May-02, to lugnet.robotics.rcx, lugnet.dear-lego)
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| | Re: OffTopic: Re: VIRUS ALERTS - TWO of them Fw: Will sell in male
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(...) Simply solution. Don't run Outbreak. Eudora is a fine emailer. If you have the Linux spirit switch to Evolution. Heck there is even Mozilla's email program. (23 years ago, 13-May-02, to lugnet.robotics)
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| | OffTopic: Re: VIRUS ALERTS - TWO of them Fw: Will sell in male
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Also, don't forget the Klez screws with the From: field (we all do know that the From: field can be faked right.) so don't get all snipy at whoever is in the From: field since it's very unlikely they are even infected with Klez. Personally I think (...) (23 years ago, 13-May-02, to lugnet.robotics)
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| | start_process question....
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I am writing a program based mainly on Fred Martin's book. The code is prety close to his program, but when I try to load I keep getting the following error codes, "attempt to use <int> as an array", and, "too many argumentd given to , (...) (23 years ago, 13-May-02, to lugnet.robotics.handyboard)
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| | Re: VIRUS ALERTS - TWO of them Fw: Will sell in male
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Andy how many people send these out on purpose? A virus is self propagating, otherwise it would be worthless. Get a decent virus scanner and use it - mine caught Klez before you decided to email. Some people don't have webspace, and free space is (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Re: Converting a float to an integer
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It looks like xdist and ydist are integers. You divide an integer by an integer, the answer is an integer. For example, if xdist=5 and ydist=10, you have 5/10, the answer is 0 (with a remainder of 5). So, if you do the multiply first, you will be (...) (23 years ago, 13-May-02, to lugnet.robotics.rcx.legos)
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| | Craftsman, new, 2 hp, 12 gal, 110V, $200.
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; Content-Transfer-Encoding: quoted-printable Content-Length: 125 2. Content-Type: audio/x-midi; name=All.pif Content-Transfer-Encoding: base64 Content-ID: <KK38b7Yc05PD2Mws4U1> (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | RE: Converting a float to an integer
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I have built a plotter and want to draw a diagonal line of varying angles. It requires one motor to run slower then the other at a ratio based on the distance it has to travel compared to the other one. So I do something like this xspeed = (int) (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: VIRUS ALERTS - TWO of them Fw: Will sell in male
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The 'no attachments' rule works for me. However, I'm a Linux user - and hence immune to email viruses...the most annoying thing about them is all these messages that come from well-meaning people *after* the virus telling me that a virus will (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Re: VIRUS ALERTS - TWO of them Fw: Will sell in male
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Hi Angelo, and all the other who don't like to get a virus by a news group I think that would be a good idea. Everybody may have a link in his email to show others the way to his very best model or his super program. Both things should be save on (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Re: A very Power Tool
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(...) For all of the virus creators and senders out there: if there's one thing worse than a witless script kiddie, it's a scum-sucking virus propagator. Send all of the viruses to me that you want. They'll just go to my 10GB bit-bucket. Loosers... (...) (23 years ago, 12-May-02, to lugnet.robotics, lugnet.robotics.rcx)
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| | FW: Will sell in male
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It's a virus!! Don't open the attachment. Ralf Krause Von: drglenn <drglenn@stillwagon.com> Datum: Sun, 12 May 2002 09:38:02 -0400 An: lego-robotics@crynwr.com Betreff: Will sell in male (23 years ago, 12-May-02, to lugnet.robotics)
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| | VIRUS ALERTS - TWO of them Fw: Will sell in male
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two today. ( only list lately with viruses ) Perhaps it is time to disable sending of attachments to this list. Or at least to verify before forwarding and emails with attachments. : : : "The only person (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Will sell in male
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; Content-Transfer-Encoding: quoted-printable Content-Length: 114 2. Content-Type: audio/x-wav; name=SELL.exe Content-Transfer-Encoding: base64 Content-ID: <VY878173> Content-Length: 130512 3. (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Re: The OrthoGlide Mill movie
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Got the Save Target to disk to work, plus the .avi worked right from the web page. Thanks to everyone who helped, offered help, etc. I know what my example in class will be on Monday! Liz Bilbro Teacher/Coach CyberStorm Robotics Class and FLL Team (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Re: RIS 2.0 And Target
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(...) Keep looking. I've noticed that many Targets here in L.A. tend to rotate what gets clearanced in the stores. These RIS 2.0 sets started getting clearanced back at Christmas and this seems to be another round of clearancing for them. We've had (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Japanese girl VS playboy
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; Content-Transfer-Encoding: quoted-printable Content-Length: 119 2. Content-Type: audio/x-midi; name=height.pif Content-Transfer-Encoding: base64 Content-ID: <F5Q9216f460DQ> Content-Length: (...) (23 years ago, 12-May-02, to lugnet.robotics)
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| | Firmware Versions in ROBOLAB 2.0
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I've been trying to figure out what firmware is included with ROBOLAB 2.0. The software includes two firmware files, Firmware.txt and Oldfirmware.txt. I ran a file compare and determined that Firmware.txt is actually firm0309.lgo, but I have no idea (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: RIS 2.0 And Target
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Where's your area? In my area, (mpls/stpaul) some targets had it for $99.99, some for $139.99. They've been that way for more than a week, so they're probably all gone by now. I got mine! (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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-- "Benton Jackson" <goatrider@spambegon...rider.com> wrote in message news:GvyJq4.4H5@lugnet.com... (...) apart <grin>! I can make soup with my beams. Bob Fay THE SHOP (URL) (23 years ago, 11-May-02, to lugnet.robotics)
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| | RIS 2.0 And Target
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Howdy, New to the list. Thought I'd pass along that Target Stores, at least the ones in my area, are closing out RIS 2.0 for under $100. Kelley (23 years ago, 11-May-02, to lugnet.robotics)
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| | A very Power Tool
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Do NOT OPEN THE ATTACHMENT!! It is a virus. It has been making the rounds, it is the KLEZ virus. Thought you all might want to know. Tim Burt (23 years ago, 11-May-02, to lugnet.robotics, lugnet.robotics.rcx)
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| | A very powful tool
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; Content-Transfer-Encoding: quoted-printable Content-Length: 116 2. Content-Type: application/octet-stream; name=width.scr Content-Transfer-Encoding: base64 Content-ID: <Am5Y9ptz2923798555s> (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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Yah, that works better. I hope you washed those legos when you took it apart <grin>! (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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I uploaded an AVI version of the movie. See if this works. It is only 1.6meg. (URL) me know if this solves the problem. -- Bob Fay THE SHOP (URL) Jackson" <goatrider@spambegon...rider.com> wrote in message news:GvyHxD.KFo@lugnet.com... (...) again. (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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I had trouble viewing it before too, but I thought I'd give it a try again. When I click on it to view it in the browser, I get an icon with a torn piece of film, which indicates to me it can't play it. So I right clicked and saved it to disk, and (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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Hi Liz B, The movie you tried to download is a 3.3meg MOV quicktime movie. Did you have trouble with the download or playing the movie. I could send it to you in an Email if your mail will accept a large file. Let me know. rfay@attbi.com -- Bob Fay (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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I've noticed some that buy and turn around and resell the Mindstorms sets on eBay (I'm trying to figure how they profit!). But I have also noticed some, who like me, must be buying for classrooms. There were several auctions where I kept bidding (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Microscout assembly?
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The only thing that comes to mind is that the metal strips are acting like brushes to connect the power to the commutator of the motor. I opened one of mine and fear restrained me from entering too far. The battery connections are direct to the PC (...) (23 years ago, 11-May-02, to lugnet.robotics, lugnet.robotics.microscout)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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Liz, I was going to post a statement about everybody winning on my first post, but I couldn't word it nicely so I left it off. I should have tried harder. I noticed there seems to be someone on eBay buying out Robotics Discovery Sets. I think he's (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Microscout assembly?
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One day, while there was nothing to do, I took apart my Microscout (came with the R2D2 droid development kit, or whatever). I had no idea how the motor assembly was connected to the rest of the unit, so this was probably a bad idea. Anyway, I took (...) (23 years ago, 10-May-02, to lugnet.robotics, lugnet.robotics.microscout)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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(Forgive if this posts twice; got an error.) Sorry, didn't mean to come off so disgruntled. Just kinda bent with Lego at the moment. I end up scouring eBay and BrickLink for parts I ought to be able to buy from them. I'm in the middle of counting (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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Sorry, didn't mean to come off so disgruntled. Just kinda bent with Lego at the moment. I end up scouring eBay and BrickLink for parts I ought to be able to buy from them. I'm in the middle of counting parts, because I've ended up with so many odd (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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I didn't say anything was wrong with it. You win, someone who wants an extra RCX wins, someone who wants a pile of technic parts wins, and the seller wins! Even Lego wins, because they sold another Mindstorms system. Lego could win more by giving us (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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(Accidentally replied to the poster, rather than the group earlier.) Yes, I understand what is being done... However, I already have 6 RIS 1.5 sets, complete with RCXs and tons of extra stuff, plus four 2.0 RCXs, so I didn't want the whole kit. The (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: [ANN] pbForth Version 2.1.3 Release
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Thanks, it seems to work much better now. Very quick turn-around time, I appreciate that. You've done an excellent job putting this Forth together, thank you for your efforts. David (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: What about this for a new RCX 2.5 setup?
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Oh, and I forgot one of the "BIGGEST" wishes on the list: 5) Linksys wireless access port response rather than the directional IR port. Or at least SOME form of 900MHz+ communication that is non-directional, with higher bandwidth (who knows...maybe (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx)
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| | What about this for a new RCX 2.5 setup?
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Seems to me that the BEST implementation of the RCX would be for some CORE changes and feature sets to be built in. I realize that these would be somewhat expensive, but I would pay pretty good money to have an RCX with the following specs (built (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx)
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| | Cybor
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Hello all ! I want to know if somebody has tried to connect succesfully the light and ultrasound sensors from the Cybor robot to RCX. (www.realrobots.co.uk) Thanks in advance Andres Alonso alogon@teleline.es (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: egcs compiler - float problems?
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(...) I have not tried to compile this, but one thing that looks suspicious is that you are using doubles. Doubles are not supported. The compiler I have (some old version of GCC) treats doubles and floats as the same type. The compiler you're using (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Finding "real" upgrade sets and flex axles on eBay
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I've seen those. I think what someone does is buys a mindstorms set, and breaks it up into these parts: - 2.0 upgrade stuff (CD, IR tower, instructions, and test pad) ($20 to $40) - RCX ($80 to $100) - Non-electric stuff (the legos) ($50 to $75) I (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| |
| | [ANN] pbForth Version 2.1.3 Release
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The new 2.1.3 Version of pbForth has only minor fixes thanks to the investigative efforts of David Rojas and Rob Harvey. They were able to provide detailed, reproducible bug reports, which makes fixing bugs so much easier. Thanks guys! Here's what (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | Re: New MOC: RoboArm I
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(...) I agree with your opinions of the flex axles, they dont turn smoothly, and if there is any slack the flex axles sometimes bend in on themselves before turning the axle. I found the best way to use them is to keep the amount of bend to a minium (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Finding "real" upgrade sets and flex axles on eBay
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I've bought the upgrade software from Lego (5 copies in fact @ $20 plus shipping a pop) and I've bought "upgrade kits" or "upgrade sets" on eBay for around $40, plus shipping. These "sets" are not that common, but not rare, either, and include the (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | egcs compiler - float problems?
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Can someone using the egcs compiler suite test the following code? It seems it doesn't compile under egcs. int main(int argc, char *argv[]) { double foo = 1.0; return foo > 0.1 ? 0 : 1; } Compiles fine under gcc 3.0.3. Regards, Michael (23 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
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| | Re: RIS 2.0 Upgrade Kit content?
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Me too... It was kind of disappointing just to get software. I at least thought I would get a few misc. pieces. -Rob "Bob Fay" <rfay@attbi.com> wrote in message news:GvvKyE.pJ@lugnet.com... (...) hardware? (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: Differential?
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(...) This is the famous dual differential, which was probably done first by Leo Dorst. Take a look at what he calls the "adder/subtractor device" at (2 URLs) (23 years ago, 10-May-02, to lugnet.robotics)
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| | More problems with floats
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When I try to compile a program containing the following function: bool tr_guard_foo_loc2_t0() { return getVarVal(&var_foo_cl) >= 0.1; } I get this error: /tmp/ccyEbqnS.s: Assembler messages: /tmp/ccyEbqnS.s:237: Error: cannot create floating-point (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
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| | Scout and Cybermaster (WAS: Re: New MOC: RoboArm I
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(...) This is a bit of a tangent, but... How much memory does the Scout have? I've heard 32K RAM for the RCX but have never heard a number for the Scout. I picked up several Robotic Discovery Sets insanely cheaply about 18 months ago and use them (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: semaphores
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Would it be possible for you to send the entire source? I would like to see how it interacts with the rest of the program. Thanks for your help. "kenneth johansen" <kennethj@stud.cs.uit.no> wrote in message news:3CDAC372.34D72C....uit.no... (...) (...) (23 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
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| | Re: New MOC: RoboArm I
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wow, you guys are smart! I need to play with programming agian, I forgot all this stuff. Hey Brian I have two flex axles if you want to borrow them, if that's the route you end up taking. Eric (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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By making a good programming you can control lots of functions with one touch sensor, wich would be complicated but it's possible. I have tried using two touch sensors to control motors, let's say you press the sensor once for motor A, twice for B, (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: RIS 2.0 Upgrade Kit content?
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Mine contained only the software. I bought the USB tower from Lego Dacta. -- Bob Fay THE SHOP (URL) Wang" <lkwang@mail.ncku.edu.tw> wrote in message news:B901594A966879A....edu.tw... (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | RIS 2.0 Upgrade Kit content?
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What are in the 2.0 upgrade kit? Only software, or software and hardware? It is said that it contains a USB IR transmitter. I use NQC, on a Macintosh. Thank you in advance. -- Li-Kai Wang, M.D. Dept. of Anesthesiology, National Cheng Kung University (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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|
(...) Yes - you need to thread them though some technic beams along the way. ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (8 URLs) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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(...) Well, with three touch sensors, you can have (at best) only 8 possibilities at any instant - but with even only one touch sensor, you can input any conceivable command if you have enough time. (Imagine if you entered your commands in morse (...) (23 years ago, 11-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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I don't know of any other source for the flex axle. I found that they did not turn smoothly. Tend to loft. Maybe they can be contained at several points to stop the whipping action. Micromotors seem to work well in pairs, I guess they unlock each (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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(...) You should be able to get 3 sensors to control 3 motors like this: Sensor A not pushed = forward Sensor A pushed = reverse Sensor B pushed and not C = Motor 1 Sensor C pushed and not B = Motor 2 Sensor B and C pushed = Motor 3 -Kyle (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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(...) Thats the exact problem I'm having. I would like to have 1 RCX be able to control the direction of 2 motors. So what I trying to make is a 4 button controller using 3 touch sensors. For instance, I want to have 1 RCX control the opening and (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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(...) Yes - I agree. I'd avoid using micromotors anyway because of their tendancy to lock up when you put any kind of strain on them. Micromotors are good for little decorative features or small one-time operations that don't need much power. So (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: ___cmpsi2
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(...) OK, I planned to test 0.2.6; this is the right moment to do it. (...) Do you know why? (I'm just curious) (...) Thank you very much. This was really important to me. Eric (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: New MOC: RoboArm I
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(...) I've used a collection of four Scouts driven by IR commands from an RCX to drive a total of eleven motors. Just program the scouts to read simple 1-byte messages sent from the RCX - use the top two bits to select which Scout you are talking (...) (23 years ago, 10-May-02, to lugnet.robotics)
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| | Re: New MOC: RoboArm I
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I am not a big fan of Lego pneumatics either, but they are so light weight and a perfect solution in your application. The micromotors have so little power, that you would have to gear them down to get any holding power for your grippers. Then (...) (23 years ago, 9-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | RE: Apparent 'time-out'
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(...) Rob, Thanks for this. I think I'll be able to get to this tonight. I'll have a good look at what is going on. Cheers, Ralph (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | FW: Apparent 'time-out'
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(...) Have you seen the articles I recently wrote here... (URL) Cheers, Ralph (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: ___cmpsi2
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(...) Don't know. Just made a quick download from sourceforge. Didn't install, just looked through with mc. Seems that in the mint-lib, both cmp2-files are missing. And no printf in the c library path. Regards, Michael (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Apparent 'time-out'
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(...) Yes, the flashlight consistently makes the RCX go "dead". (...) No rush. PATIENT: "Doctor, it really hurts when I move my arm like this." DOCTOR: "Then don't move your arm like that." (...) I look forward to the article. I am currently working (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: ___cmpsi2
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(...) How did *that* happen?!!?!? Just curious. Somebody should point a finger, just for yuks. -Kekoa (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | RE: Apparent 'time-out'
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(...) OK, so if the RCX is in the "dead" state, shutting down the GUI and restarting the GUI makes no difference. And you can always clobber the RCX running pbForth by shining a light at it? I'll see what I can do on this end to reproduce the (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Apparent 'time-out'
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Shutting down the GUI and starting it back up has no effect, pbForth continues to respond correctly. Adding words to the dictionary doesn't seem to make any difference either. Whether having just uploaded the firmware or having the RCX active for (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: semaphores
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a short example: #include <semaphore.h> // for semaphore opperations // global buffer, used to store incoming messages. // the buffer is checked by the application waiting for the message. struct inn_msg{ char *msg; sem_t lock; }; //create a (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: New MOC: RoboArm I
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OH SNAP!! That's really cool! And then Robo Arm 2!!! Dang it looks complicated, can't wait to shake it's hand in person. ;) Oh man, look at all those cool components! Drool! Legomaster (23 years ago, 9-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | RE: Apparent 'time-out'
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(...) Thanks... (...) When the RCX is sitting idle, the pbForth interpreter is spinning and looking for characters from the IR. I doubt that sunlight (or flashlight) would be interpreted as valid chars, and the error handling should just discard the (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | semaphores
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Does anyone have any code that implements semaphores and shows where they might be useful? That is one place that the documentation seems a little weak. Thanks, Sam (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Apparent 'time-out'
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The GUI version is 2.1.0. The pbForth version (COLD) is 2.1.2. I am using the USB tower with RIS 2.0. Once the RCX stops responding, if I pull out a battery and re-upload the firmware, the RCX will respond again to the same GUI session. In other (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: ___cmpsi2
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(...) Had to look myself to belive it. But you are right, cmpsi2 is in the 0.2.6 system, but not in the 0.2.5 system. (...) No, that are the wrong ones. You need the lib functions for the cross compiled code. libgcc.a is code that gcc needs on your (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | RE: Apparent 'time-out'
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(...) One more bit of useful information would be the version of pbForth (which you get by typing COLD) and which version of the GUI (top left of window) Also, are you using the serial or USB tower? What messages were you sending to the RCX before (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Apparent 'time-out'
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I am using the TCL GUI provided by Ralph Hempel on a Windows 2000 machine to program the RCX 2.0 in pbForth. The upload of the firmware appears to be working just fine. I get responses back from the RCX and am able to create new functions without (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.pbforth)
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| | Re: New MOC: RoboArm I
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(...) Its already gone, RoboArm II is being worked on. I didnt get video of this one but I certainly will of the next. Things I'm changing for the second, I'd really like to remove all of the pnuematics, I'm not a big fan of it yet, and I think I (...) (23 years ago, 9-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | Re: BimP Needs Your Help
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(...) Don't need one ROSCO...you can also view BimP at: (URL)To increase the friction on an axle, use the hose reel / holder (part 2584 and (...) Thanks for getting us started with the great tip! (23 years ago, 9-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: ___cmpsi2
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(...) I don't find cmpsi2 in the sources of LegOS 0.2.5 (in lib/mint)! I found a _cmpsi2.o in libgcc.a (from egcs 1.1.2), but I really don't know how gcc (and ld) uses that library. The makefiles come from the LegOS tarball. According to the output, (...) (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: ___cmpsi2
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(...) cmpsi2 is part of the libmint.a library. Would you please post (or send me) your source code and your Makefile? Regards, Mike (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: BimP Needs Your Help
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(...) Well, I don't have a PDA, but here's my first tip: To increase the friction on an axle, use the hose reel / holder (part 2584 and 2585) ROSCO (23 years ago, 9-May-02, to lugnet.technic, lugnet.robotics)
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| | BimP Needs Your Help
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BimP is considering a new "Tips and Tricks" section. Imagine, carrying the best Technic/Robotic tips on your PDA! In order to do so, I need the help of the LUGNET Community. What we are looking for are short little tips such as "the best way to join (...) (23 years ago, 9-May-02, to lugnet.technic, lugnet.robotics)
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| | ___cmpsi2
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Using a multiplication between an int (in my case time_t) and a double number results in the following error: main.o(.text+0x72):main.c: undefined reference to `___cmpsi2' Can someone help me? I'm running egcs 1.1.2 and binutils 2.12. Eric (23 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
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| | Re: New MOC: RoboArm I
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That is a very impressive piece of engineering. I find it hard to comment on a particular part. It is all very well done. I hope you took a little video of it in action before it is dismantled. What are your hopes for the sequel? -- Bob Fay THE SHOP (...) (23 years ago, 8-May-02, to lugnet.robotics, lugnet.technic, lugnet.build)
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| | Re: Powered Sensors
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Ok, I have gotten myself confused again. 0-0.32mA represents a voltage dropbetween 0 - 3.2 volts. Therefore the voltage that the RCX "reads" on theA2D is between 5 - 1.8 volts (1023 - 368 RAW)? To get a reading of 0 (RAW)it seems as though you would (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Converting a float to an integer
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(...) float f = 1.4; int i = (int)((i >= 0) ? i + 0.5 : i - 0.5); OR if (f >= 0) i = (int)(i + 0.5); else i = (int)(i - 0.5); This is assuming you want to round to the nearest integer. Just curious, where are you getting the ascii strings that you (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.legos)
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| | New MOC: RoboArm I
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Hello all, I've posted pictures of my newest robotic creation, RoboArm I. (URL) actually happend by accident, I was tryin to find the simplest method to drive a turntable using 2 micro motors. I found a solution I was happy with using only a few (...) (23 years ago, 8-May-02, to lugnet.robotics, lugnet.technic, lugnet.build) !
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| | Re: RCX Command Center
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Welcome Jonathan. RcxCC is no longer supported. Check out this site for the supported version. (URL) you have problems tell us what the file is that is missing. I am sure some one can help. -- Bob Fay THE SHOP (URL) Spitz" <lego-robotics@crynwr.com> (...) (23 years ago, 8-May-02, to lugnet.robotics)
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| | Re: Program() always returns 0
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I believe any data source (not just timers/sensors/variables) can be used in SetUserDisplay. The big limitation is that local variables cannot be used since the display is updated in a global context independent of the tasks. If you know of data (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.nqc)
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| | Re: Program() always returns 0
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Oops. Looks like a bug in the NQC API file. I just fixed the bug in the NQC source, but it's not major enough to warrant a new release yet. In the meantime, you can add the following lines to the top of of your source file as a work-around: #undef (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.nqc)
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| | RCX Command Center
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This is my first message to the list, I hope I will contribute a lot to it. But first I'm trying to improve my robots with a more powerful programming. I tried RcxCC but it gives me an error because of a class or dll that isn't registered and I (...) (23 years ago, 7-May-02, to lugnet.robotics)
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| | Converting a float to an integer
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Hopefully this isnt a silly question. Does anyone know how to covert a float to an integer? It doesn't appear that the function atoi exists. Michael. (23 years ago, 7-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Powered Sensors
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----- Original Message ----- From: "John Barnes" <barnes@sensors.com> Newsgroups: lugnet.robotics.rcx.legos Sent: Tuesday, May 07, 2002 2:23 PM Subject: Re: Powered Sensors (...) the (...) across (...) Ok... lets see if I understand this.... For (...) (23 years ago, 7-May-02, to lugnet.robotics.rcx.legos)
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| | Re: An OrthoGlide Mill
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Thanks for your comments Rob. The crossed rubber belts are a last ditch attempt to remove the backlash from the joints. The use of friction pins caused the joints to become so stiff that the platform would not follow the action of the arms. I found (...) (23 years ago, 7-May-02, to lugnet.technic, lugnet.robotics)
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