 | | Re: threads
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some suggestions: 1) random_delay = random()/1000000; LegOS uses 16 bit integers, meaning the largest value an integer can have is something like 65535. The above statement is meaningless 2) (...) If you kill a thread, make sure it's still a valid (...) (23 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)
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| | LNP Routing daemon with tcp/ip for RCX/legOS, Cybermaster/NQC
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Dear NG, i try to develop a LNP routing daemon (LNPoI - Lego Network Protocol over Internet)and i think this peace of software can be also usefull to other people using legOS, RCX and Cybermasters (!). For now it´s only available as a binarie file (...) (23 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: threads
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Hi again, I'm now totally stuck with this problem. I've spent all day at it, stepping through the code line by line with key presses. I've marked the point that the code appears to hang in left_control_task (). Someone please help, please. Thanks (...) (23 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)
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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 (...) (23 years ago, 14-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Measuring robot turn angle
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Wanted to thank everybody for replies. I ended up attaching an 80-tooth gear to the rear axle (wheels are on the front set) after extending the axle. The rotation sensor is mounted on the chassis outside with an 8-tooth gear meshing to the other (...) (23 years ago, 13-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Dave Chen's Function List
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(...) Message 1001, in case anyone was wondering. Better yet: (URL) been looking for something like this as well, so thanks for pointing me in that direction. Is there a more recent version? -- David Schilling (23 years ago, 13-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Configuring LegOS with USB tower under Win2K.
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Hi Aaron, Thanks for your quick reply. Thank you for the USB fix. I have also done as you suggested and altered the path under #NT - I forgot the drive letter should have been specified //x where x is the drive, C:, D: etc. I have now eliminated (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Configuring LegOS with USB tower under Win2K.
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Thanks for your interest Dave. The source for the USB tower Win2k patch is located at anonymous ftp://134.29.51.4 I can also give you one hint to get you going on configuring legos for cygwin. The most problems I have had are with the (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Measuring robot turn angle
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(...) Another option would be to connect a single rotation sensor directly to the motor that turns your robot. (you may wish to gear it down) You could not detect the distance forward or backward (from the other motor), but you could calculate the (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Measuring robot turn angle
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(...) I have done this, although not with a differential. My solution used a rotation sensor on each axel, and good navigation can be done with that. Since you can guarantee that both axels turn the same amount, a single rotation sensor should be (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Measuring robot turn angle
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(...) Robert, I have been playing with this problem a bit. Another approach is to power each tread with a separate motor, use a differential assembly to add the shaft rotation from both sides and use a rotation sensor to 'control' to a zero (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: USB, Windows, legOS
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Hi Don and Aaron, Any chance of sending me the patches for the USB Tower to work under Cygwin. I may be able to help get the patches working. I have some experience with Win95/98/2K. Dave W. (...) (23 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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| | Measuring robot turn angle
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The drive system in my robot is an adder-subtractor (see (URL) which uses two differentials in order to get equalized forward/reverse drive while allowing turning and pivoting (turning in place). For navigational purposes, the robot should be able (...) (23 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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| | Configuring LegOS with USB tower under Win2K.
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Hi Everyone, Does anyone have any info. on setting up and using the new USB tower with Cygwin and the H8 cross-compiler for LegOS under Win2K. These are the instructions I am currently following :- (URL) would also be very grateful for any more (...) (23 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Linux driver for USB Tower
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Have a look at: (URL) I'm not involved! (...) (23 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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| | Linux driver for USB Tower
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Hi all, is anybody developing a Linux driver for the USB Tower shipped with Mindstorms 2.0. Stewart (23 years ago, 8-Jan-02, to lugnet.robotics.rcx.legos)
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| | Driving R/C servos and interrupt latencies
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Hi, I finally succeeded in driving up to 7 R/C servos from the RCX using a shift register and a re-triggerable monostable (for synchronization) all driven from the FTOA output line (senor B, AC coupled into a transistor) . This involved switching (...) (23 years ago, 6-Jan-02, to lugnet.robotics.rcx.legos)
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| | Dave Chen's Function List
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Dave Chen's Function List (Published on lugnet.robotics.rcx.legos on April 16 2000) Very useful!! Thks. Regards -- CarlosLuis Rendón M. Network Manager (23 years ago, 4-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: VC++6 and LegOS
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Definitely it works. Thanks steve. Regards. -- CarlosLuis Rendón M. Network Manager "Steve Hassenplug" <steveh@mailcode.com> escribió en el mensaje news:GpBrn5.6nL@lugnet.com... (...) arguments' (...) (23 years ago, 2-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: VC++6 and LegOS
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I have my Visual Studio set up so I can make programs, download programs, and download firmware all from the 'tools' menu in VS (VC++). So far, the only thing I'm not set up for is editing the 'makefile' file. Under 'Tools>Customize...' select the (...) (23 years ago, 2-Jan-02, to lugnet.robotics.rcx.legos)
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