 | | Re: Some remarks / questions about Brixcc
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(...) Error messages go to one of two places. Errors from the compiler default to stderr but can be redirected with the -E option (-Efoo would sent them to a file named "foo"). Other errors (problem communicating with the RCX, illegal command line, (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: Using the Differential to drive straight.
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(...) My implementation did something similar but used the 3rd motor in the OFF (ie. high resitance to turning) setting during turns to make sure that both the A and B side wheels turned the same amount. This helps to make sure that the skid/steer (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
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| | Re: Inertial guidance
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(...) Where an inertial system *might* have some applicability would be to fill in the gaps between sightings of some kind of a navigational landmark. The gradual accumulation of error is the big problem - but if you only need the inertial (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
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| | Re: [Legousb-devel] Yes, the puzzle is solved - legousbtower + nqc for linux.
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(...) I believe this is correct. actual_length is only used on incoming data because the amount of data supplied may be less than the maximum buffer size (held in transfer_buffer_length). On the transmission side you just use transfer_buffer_length (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
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| | Re: Inertial guidance
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Steve, I see your point. I forgot the sensor also responds to gravity. I suspect that the best we can do is a very rough demo of principle, not a practical navigation system. Thanks for your insight! That is what makes this forum so useful. - pete. (...) (24 years ago, 13-Jan-02, to lugnet.robotics)
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| | Re: NQC and RedHat linux 6 on laptop
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(...) I've seen this kind of problem before. The difficulty is that PC's only have two interrupt lines for the four possible serial ports. Generally, ttyS1 and ttyS3 share a line and ttyS2 and ttyS4 share the other. That means that by default, you (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
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| | BricksWest robot event
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I'm organizing a Mindstorms robot competition for BricksWest and it would make it easier, planning wise, to have a rough idea of how many people might be attending. If you think you might go, or better yet, know you will be, could you please let me (...) (24 years ago, 14-Jan-02, to lugnet.robotics)
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| | Re: NQC and RedHat linux 6 on laptop
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(...) I misspoke. In the BIOS it can be either COM2 or COM4 and it is set to COM4. I saw it listed in the RH6 startup as ttyS03, and misremembered it as COM3. It is COM4, I am using /dev/ttyS03. No go. Thanks for the suggestion, and sorry for the (...) (24 years ago, 14-Jan-02, to lugnet.robotics)
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| | Re: NQC and RedHat linux 6 on laptop
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(...) Umm... COM3 is /dev/ttyS02, and COM4 is /dev/ttyS03. (Remember, COM* starts at 1, ttyS* starts at 0). Could that be your problem? (24 years ago, 14-Jan-02, to lugnet.robotics)
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| | Re: Robolab and 3rd party camera
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As far as I know, any functionality that uses the webcam will not work in version 2.5. As a temporary solution, you could use an external program to capture a webcam image, and then use the image loading VI in RoboLab to work with it. I haven't (...) (24 years ago, 14-Jan-02, to lugnet.robotics.rcx.robolab)
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| | NQC and RedHat linux 6 on laptop
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Hi all. I've been successfully using NQC on an old NEC 486/50 laptop with only 16MB of RAM for a while. The laptop was running muLinux, a very limited floppy-based distro. Everything worked ok, other than the fact that Nqc would segfault after each (...) (24 years ago, 14-Jan-02, to lugnet.robotics)
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| | threads
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Hi, I'm struggling to get threads working (in a simple motor speed matching program), the code just keeps hanging up. I've isolated the problem to when I restart the threads after killing them if a bumper is hit in the bumper_task() function. The (...) (24 years ago, 14-Jan-02, to lugnet.robotics.rcx.legos)
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| | RCX Controlled Special Loco with Decoupler
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I made a speciaal Loco, it is 8-wide and controll by on board RCX with two geared motors, it will stop when back and IR sensor (made by John Barnes) detect train car, magnet will couple loco and train car, it also has a auto decoupler function, (...) (24 years ago, 14-Jan-02, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Anyone there?
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(...) We mean radio, and we want to have a system that is invisible to the lego software (ideally), so that everything that the IR can do, we can do with much extended range. In addition, we want to have wireless digital video and maybe audio as (...) (24 years ago, 14-Jan-02, to lugnet.robotics.tele)
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| | Re: Some remarks / questions about Brixcc
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(...) I'll make this an option on the Watch window in the next release. Another user had requested that the Watch window only Poll when it was active. (...) This turned out to be a bug in the TFakeSpirit.SetSensorMode function. It will be fixed in (...) (24 years ago, 14-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Remote Turnouts and Decouplers
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One of the new features of the MichLTC layout was Steve Ringe's home layout module "plopped in" to a section of the show layout. (it therefore contained a "local loop" to allow I think he might be posting further about it. But just to whet people's (...) (24 years ago, 14-Jan-02, to lugnet.trains, lugnet.robotics, lugnet.org.us.michlug) !
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| | Re: Using the Differential to drive straight.
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(...) Actuially the solution that we describe in our book is similar but not identical to Dave's one. Starting from the well known setup in which a differential gear is used to measure the difference in speed between the main wheels of a (...) (24 years ago, 14-Jan-02, to lugnet.robotics)
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| | Re: site update
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(...) I've also made a torsen diff based on the basic diff in your sight, I believe it has a few improvements over the one made by Rob. see: (URL) David (24 years ago, 14-Jan-02, to lugnet.robotics, lugnet.technic)
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| | Re: Using the Differential to drive straight.
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<snip> (...) </snip> well, you could try the adder/subtractor (shameless plug here (URL) > or i think that i have another idea but i have to build it before i can CAD it so give me a week or so. mike (24 years ago, 14-Jan-02, to lugnet.robotics)
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| | Re: site update
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"Rob Stehlik" <robbby31@hotmail.com> wrote in message news:GpsJwA.F2y@lugnet.com... (...) me (...) page: (...) I forgot who made the original, I do have a (minor) deisgn change but I lost the *.dat. now that Mike has changed the extension i seem to (...) (24 years ago, 14-Jan-02, to lugnet.robotics, lugnet.technic)
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