 | | Re: maximum number of variables in RCX2 ?
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Hi John, (...) Yes ! Using more tasks you will get more local space (for each task 16). So maximum number of variables is 32+(16*10) = 192 (...) That's how NQC is handling memory for local variables in functions, subroutines, tasks. Local has a (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: maximum number of variables in RCX2 ?
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(...) this (...) only (...) variables (...) the (...) From my understanding of NQC, the compiler automatically selects the most suitable location to store variables. Global variables are obviously always allocated in one of the 32 global storage (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: Palm IR to RCX
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(...) Thanks, it got much better in the meantime ... (...) I don't think it's possible to make the lib respond to requests from the rcx. The problem is, that this kind of reception of data requires 100% cpu time. Therefore, i can't continiously (...) (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | Re: RCX Dead??
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Hello Matthias, thanks for a very detailed description of your findings inside the RCX. I have just one comment to add ... (...) True, as long as we are talking Alkalines. But how about NiCd accumulators? I think they can deliver much higher current (...) (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | maximum number of variables in RCX2 ?
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When using the RCX2 target, the NQC manual (Section 2.2.4) states that 32 global variables, and 16 local variables (per task) are allowed. Does this mean that the whole program can only have 48 variables total when using only one task, ie. "main" , (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: RCX Dead??
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I saw your post on RTLToronto.... You didn't indicate whether you tried to use batteries again afterward. I'm assuming you did. I'm also assuming you hooked the terminals up backward. That could be trouble. The 7805 regulator will protect the (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) I'm highly interested in seeing your results. The RCX obviously is not brainy enough to process and use the 3D data, but a host computer could be. I'd be interested in helping with the host software on a project like this. I've thought about (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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(...) That file should just be a soft link to /etc/rc/init.d/gpm (or ../init.d/gpm), so there's no need to keep it. ROSCO (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: Palm IR to RCX
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Hi Till, Am Mittwoch, 13. Februar 2002 19:31 schrieb Till Harbaum: (...) Do you think it is possible to implement the legOS network protocol for palmOS? Michael. (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) Not really. I believe this enough to try it soon. :) Two motors to turn and tilt the camera, and one for a differential drive setup(possibly using the reverse differential device). All the sensor ports would be used however - 1 for the (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) Thanks, Mario. Love your work too, BTW. (...) I think this would be a very useful modification. Wish I had an ultrasonic sensor to do it with myself. ;) I will point out that the reason the entire assembly rotates is because I wanted it to (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.8
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John Hansen wrote: > In lugnet.robotics.rcx.nqc, Stef Mientki writes: > >>I know the cause, you know the solution ;-) >> >>The size of BricxCC when opening the first file, depends on the SIZE of >>the file to be opened. >> 8 bytes, window stays as (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.3.8
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(...) Yes that's exactly what I'm trying to say !! To day I had an even stranger experiences: 1. the size of BricxCC became smaller after opening the first file, still depending on the size (or is it the content) of the file 2. in one of the tests I (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) Nice idea, Chris, very interesting project. I'd like to replicate your setup using John Barnes' Ultrasonic distance sensor instead of the light sensor. This should increase the radius of the scanned area, and make the device return the true (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: windows ce
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"Steven B. Combs" <stevencombs@yahoo.com> wrote in message news:GrquFB.3IM@lugnet.com... (...) program (...) the (...) the problem with trying to hack the IR port on a Windows CE machine is that the IR is part of the chip architecture. There were (...) (23 years ago, 19-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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(...) Oh, on the console you might have gpm running, which allows copy-paste on the console with the mouse. As root, run '/etc/rc.d/init.d/gpm stop' and see if it gets better. To turn that off completely edit /etc/sysconfig/mouse and set (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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It is working! In case anyone else encounters this issue... here is the solution. Per Geoff Gerrietts: (...) I just moved the file to /unused (in case I wanted it back) and reboot'd. IR communication is working perfect. Thank You Geoff! <snip> (next (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.legos)
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| | LIDARStation and LIDARDisp application finished
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Well, my first serious Mindstorms project is complete. (URL) Go to "Lego Robotics Projects". Thanks to everyone who has given me suggestions on getting my Linux laptop serial port happy, and on IR comms issues and to everyone who did light-based (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.8
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(...) Well, I'm stumped. I cannot get the behavior you describe to occur no matter how hard I try. I'm not sure what you mean by "I know the cause, you know the solution". Have I understood your description of the problem correctly? Are you saying (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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"Joseph Woolley" <jwoolley@spamblock....ht.rr.com> wrote in message news:GrqxJG.Cwq@lugnet.com... (...) to (...) Also, when I installed RH, I had a mouse connected to the same serial port. I am wondering if the mouse driver is still loading and (...) (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.legos)
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| | problems using firmdl3 and dll on Red Hat 6.2
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I recently cleared off my laptop HD and installed Red Hat 6.2, then downloaded and installed all the packages listed in the legOS HOWTO... but have run into a couple snags. 1st and most important, I am not able to send anything via the IR Tower. (...) (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.legos)
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| | BimP is seeking Authors
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Bricks in my Pocket, the PDA e-journal for Advanced LEGO Users is searching for article submissions. If you are interested in submitting an article to BimP review the submission guidelines at: (URL) can review BimP without a PDA by pointing your web (...) (23 years ago, 18-Feb-02, to lugnet.robotics.edu)
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| | RE: RCX Dead??
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I applied power to the last capacitor towards the back...and it works!!! Should I connect to this capacitor using a fuse or anything first or is it safe to solder leads directly from this capacitor? thanks -----Original Message----- From: (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Any hope for my RCX?
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I have(had…)-:) a 1.0 RCX without an adapter-plug on it and I tried to connect an 9V adapter to the battery-connectors. It all worked fine, but when I put the RCX back together and tried to turn the RCX back on whit the adapter it didn’t work. Now (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.8
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hi John, thanks for your attention. I know the cause, you know the solution ;-) The size of BricxCC when opening the first file, depends on the SIZE of the file to be opened. 8 bytes, window stays as it is 256 bytes, blows the window up to about (...) (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: windows ce
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"brian peiris" <brianpeiris@hotmail.com> wrote in message news:Grpsqq.CxI@lugnet.com... (...) RCX. Brian, I don't believe that this is available, but I will be anxious to hear what others say. Steven (23 years ago, 18-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
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| | Re: Bricks in my Pocket (BimP) now available!
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(...) I too had a slight giggle when I discovered that Bricks in my Pocket resulted in BimP. It was too good not to use. Thanks for the feedback! Steven B. Combs, Editor Bricks in my Pocket (BimP) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.8
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(...) I can't duplicate this behavior. I think it might have something to do with those pesky DSK files (maybe?). Can you check to see if the files listed in your recent file list have associated desktop files (*.DSK)? Thanks, John Hansen (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.nqc)
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| | RE: Lost my IR Tower - Scout SDK
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Tony: I've downloaded 2 zips one with a VB expample (without any .ocx!) and the other has a PDF. Do you know of any other links? Thanks a lot, Marcelo R. Muzzio -----Mensaje original----- De: Tony Burton [mailto:tony.burton@...ock.co.nz] Enviado el: (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | windows ce
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i have a Cassiopiea e-125 and i was wondering where i could get a program that utilises the built-in IR port instead of the IR tower to control the RCX. (23 years ago, 18-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
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| | Re: Connecting a non-Lego motor with external battery to the RCX
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(...) If the motor runs on 9V anyway, just hook it up to RCX directly (assuming it only draws 500ma). If it needs more than that, hook an external battery up to it via a power transistor (either bipolar or FET). You'll need a resistor in series with (...) (23 years ago, 17-Feb-02, to lugnet.robotics.rcx)
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| | Re: Lost my IR Tower - Scout SDK
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Hi, If you have the SDK2 for the RIS then you have all you need to develop for the Scout. It uses the RCX 2.0 firmware, and all that is different is the following: 1 x built in light sensor (takes away one input). 1 x runnable program mode (select (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| |
| | fwd: high currents kill handyboard?
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From: "Tanya Tickel" <sti398@merle.it.nor...stern.edu> Date: Sat Feb 16, 2002 10:47:20 AM US/Eastern Subject: high currents kill handyboard? Hi, If this could be forwarded to the LUGNET group, I'd be grateful. as of yet I haven't gotten permission. (...) (23 years ago, 18-Feb-02, to lugnet.robotics.handyboard)
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| | Re: RCX Dead??
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i think i shorted my RCX :( i was trying to connect a 9v 300mA adapter ti the battery tabs and the wires must have touched (i'm not sure what happened exactly) and now the thing doesn't switch on! :< i need help please! i'm not that good with (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Re: multiplexor and legOS
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I'm not sure if anyone is trying out my multiplexor patch, but thought I'd let you all know that I posted a new version which works better and solves some problems in the earlier revision. The patch is available in the legOS patch section on (...) (23 years ago, 17-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC release 3.3.3.8
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hi John, everything seems to work fine now, I couldn't get it slowed down. A funny effect, everytime you start BricxCC, it sizes to the previous size, ok. Now opening a file (from the recent file list), BricxCC fills the whole screen. Thanks for the (...) (23 years ago, 17-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: RCX Dead??
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(...) Also, there can be contact problems between the tabs and the circuit board. They are not soldered on, they only press against two square contact areas in the corners. If they are a little bent they can loose that contact, which happened to my (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| | This Week in Robotics
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Here is a list of upcoming events for the Week Feb. 17th - 23rd, 2002. Details of the events are on our web site at www.allaboutbots.com Sunday - Feb. 17th Central Illinois Area Robotics Club Monthly Meeting Monday - Feb. 18th Laboratory Robotics (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| | Re: RCX Dead??
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(...) Definitely. I was having problems with my light sensor (this was before I was using legOS) - the 'test panel' in the Mindstorms software wasn't reading it, and the RCX just showed a boolean 1 on the light sensor port. So I called LEGO, and (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| | Re: power source
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hi matthias with two "t"s, hi list! (...) i didn't mean the mcu - it's obvious that the "digital part" (as i called it) has to be regulated to 5v. i meant before that: motor controllers, probably active sensors and the like. the point is this: the (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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