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 Robotics / *39170 (-40)
  Re: Avoiding objects
 
(...) Roger, I'm happy to tell you my favorite sensor company ( (URL) just started production again) makes something that will work very well for you. (URL) I think their Ultra-sonic sensor is my favorite. I seem to use it more often than any other (...) (22 years ago, 11-Dec-03, to lugnet.robotics)
 
  Avoiding objects
 
Hello All, I'm new to the world of Mindstorms and to this list, and I have a question. Upgrading the Roverbot, which backs up when the bumpers feel something, is there a way of avoiding walls and objects on the floor. What is the best way to do (...) (22 years ago, 11-Dec-03, to lugnet.robotics)
 
  Re: BricxCC release 3.3.7.6
 
(...) Unfortunately I haven't documented my pbForth support very well. Perhaps the following explanation will be useful to all BricxCC users who want to try pbForth. BricxCC figures out some things based on the extension of the file open in the (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.pbforth, FTX)
 
  Re: Memory, Motors and Odd Things
 
(...) no. Ok, that's my first problem. (...) hmm. yep. malloc()... (...) no, using the firmdl3. (...) Yes, it's recursive. And, I'm sure your hunch is right. (...) It sounds like it's the malloc() bug. I'm using 0.2.6.09 (?) I'm not going to switch (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos, FTX)
 
  Re: BricxCC release 3.3.7.6
 
(...) Wow! I've just discovered Bricxcc! Thank you very much for providing such a useful tool. I'm using PbForth and I was impressed by what you've included in BricxCC. Just to share with you, here's what I did so far. I've renamed the Help file so (...) (22 years ago, 11-Dec-03, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics, FTX)
 
  Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
 
(...) <snip> (...) <snip> (...) <snip> I didn't have time to mention this in my earlier post, but this memory dump points out a potential problem with the way BrickOS allocates memory for programs. In the above memory dump, the 0x6B words at 0xB648 (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: NQC's future
 
(...) click thru to: Présentation (URL) I found the English page: (URL) my eye, Babelfish seems to think the French there says: Legnoppix is a version of Knoppix Linux, bootable via CD even in a PC that ordinarily boots Windows. Legnoppix differs (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
 
  Re: Memory, Motors and Odd Things
 
(...) Hi Steve, Are you using BrickOS 0.2.6.10? In earlier versions, it was possible for malloc() to return pointers to RAM in the range [F010,FB7F], which was shared with the motor port controller. Writing to this memory adversely affected the (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos, FTX)
 
  Re: Logging sensor data
 
(...) That's why I use brickOS nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Memory, Motors and Odd Things
 
I ran into something odd, and I'm wondering if someone can explain it. I have a pretty large BrickOS program, (the .lx is about 9k) and it uses around 2k for variables. (I think) I've noticed when the program is running, it's not doing anything with (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: OT Re: Legway and Robolab
 
(...) Outgoing mail is certified Content Free Deleted by MIN anti-content system ((URL) 1.0.013 / Content Database: <nul> - Release Date 12/10/2003 FUT lugnet.off-topic.fun (22 years ago, 10-Dec-03, to lugnet.robotics, lugnet.off-topic.fun)
 
  OT Re: Legway and Robolab
 
--- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system ((URL) 6.0.548 / Virus Database: 341 - Release Date: 12/5/2003 (22 years ago, 10-Dec-03, to lugnet.robotics)
 
  Re: Logging sensor data
 
(...) No, I regret to say, you must buy it. Jerry (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Legway and Robolab
 
(...) Apparently, the standard firmware imposes a 100ms delay before a motor can change directions (ostensibly to protect the motors). This might be the source of some of the instability. Dick Swan suggests a possible way around the delay at the (...) (22 years ago, 10-Dec-03, to lugnet.robotics)
 
  Re: Logging sensor data
 
(...) does robolab is free ? nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Legway and Robolab
 
(...) I spent a couple of evenings with a Legway, EOPD sensors and Robolab. I could not get it to balance or reach any condition of stability. I eventually 'gave up' because I felt that the violent control actions would destroy my motors :) Steve, (...) (22 years ago, 10-Dec-03, to lugnet.robotics)
 
  Re: Logging sensor data
 
(...) If you had not already decided to use LegOS/BrickOS you might have used Robolab, which has nice sensor data-logging utilities built-in. I show a sensor log in my project 'The LEGO Level' at (URL) It's very easy to set up. Jerry (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Linux legos install help me please
 
(...) Oups nbo sorry ... not for the moment but I can implement it !! Oh if someone know how to make work the USB tower under linux (to add this function to legnoppix) that would be fun (...) Yes that only this file ... (...) Yes put it in the (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Logging sensor data
 
(...) Arg .... you don't want to use legnoppix or something like that ? I don't know how implement LNPD to cygwin or other stuff like that nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Global Objects was Strange RCX startup issues
 
(...) Yes. (...) Yes, I took a peek at the dll code and it looks like only one packet type would have to be extended to add this additional information. When not using the program manager (i.e. linking the user program directly to BrickOS), then (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Linux legos install help me please
 
Wow thanks for the speedy response nanobapt. I am going to attempt to run legnoppix as a guestthrough VMware tonight. I will keep you posted on how that goes. Whati am really interested in is the math. Nano wrote (...) 1st Are you saying that (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: NQC's future
 
(...) NQC is a language/compiler which works with the standard LEGO firmware(s). I don't anticipate that ever changing. But here's a glimpse of something new for the Spybot target that might be interesting to NQC users. Would 256 (or 128, if you (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
 
  Re: Global Objects was Strange RCX startup issues
 
Doh! I think I just answered the question (of course it was After hitting send) Joseph Woolley wrote: [snip] > Also, I have a question (because of my limited knowledge of how the > __ctors and __dtors are managed): Would the two *for* loops in your (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Product Review: Linksys WVC11B and VEO Observer
 
Hello everyone, I've been fortunate enough to get to play with the Linksys WVC11B Wireless and a VEO Observer Internet Video Cameras. In the event anyone is considering the purchase of a networked camera, perhaps these notes will be of interest to (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
 
  Global Objects was Strange RCX startup issues
 
Mark, This is an interesting issue. Initially, after reading your post, I was thinking that it would be easy to add this support to BrickOS. Of course, this is only partially correct. For NON Task Manager builds (therefore no Program manager), it is (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  RE: Logging sensor data
 
Win 98 and Cygwin Thanks, Allen (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Logging sensor data
 
(...) What OS do you use ? nanobapt (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  RE: Logging sensor data
 
Hi nanobapt, Thanks for your help, I was sort of thinking along these lines. I know very little about LNP so apologies if I come across as a little ignorant. Is there an LNP server I can run on my machine to collect the data sent to the RCX tower? (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Logging sensor data
 
(...) You can combine both solutions ... Storage in the RCX memory and then send it by lnp (after 10 data for example) You need to test :) nanobapt (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  RE: Logging sensor data
 
Hi nanobapt, What I tend to do is sample a sensor every say 20ms and log the data over a period of upto about 5 seconds. In your opinion what would be the best method, local storage or realtime streaming via LNP?, can LNP stream at this speed? (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Linux legos install help me please
 
(...) Hmm rellay difficult to solve .... For your mandrake : make in a term "make > error" and send me (to my personnal mail) the file call error What version of brickOS do you use ? I know that there are error with the gcc 3.X so try (like you (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Logging sensor data
 
(...) How many time do you want to log it ? you can stock it to the RAM or send it by lnp .... nanobapt (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Linux legos install help me please
 
Please help me install legos on Mandrake or help me fix my debian legos and add math.h I am a complete linux novice. 1 I have been enjoying the ease of use of Debian and the apt-get functions and friends with that distribution. For a beginner in (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: Strange RCX startup issues
 
(...) This was only a problem when using certain firmware downloaders. If you use firmdl3, then you should be fine. (...) As far as I can tell, I don't think there is any provision in BrickOS to call the constructors and destructors of globals & (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
 
  Re: NQC's future
 
(...) Dear John, Even if it requires a firmware replacement, please add: - more variables, - float type variables, - string type variables, - certain math library (sin, cos, exp, ...) - at least good approximations, - more subs, - functions with (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
 
  Re: WWW spider
 
yes that was my goal in this schema pixel "Kevin L. Clague" <kevin_clague@yahoo.com> wrote in message news:HpMsDz.vz2@lugnet.com... (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
 
  Re: WWW spider
 
(...) It is a very cool mechanism. Your circuit can change from a 3 piston timer to a four piston timer, right? Kevin (22 years ago, 9-Dec-03, to lugnet.robotics)
 
  Re: Help w/install _or_ It all went so well
 
(...) You can do make fontdesign in the util directory to create fontdesign.exe I have managed to get brickos-0.2.6.10 working using gcc 3.3.1 on win98 under cygwin, though I had a few problems along the way. At this stage I have only tried a few of (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos, FTX)
 
  Re: WWW spider
 
hi i just developed this sequencer DL (URL) there is no purpose for this mechnism :) it shows 2 things 1. even small and simple changes in the circuit make it a little bit complicated :))) 2. it can be done :) it's just a first trial i'll work on (...) (22 years ago, 9-Dec-03, to lugnet.robotics)
 
  Strange RCX startup issues
 
Hello, using brickOS v0.2.6.10... When I declare an object of type Motor and assign it a port outside of main() the RCX does not run the program at all, I have to remove batteries and reload firmware to get it back to normal. Is this related to the (...) (22 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)


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