 | | Re: sys_time (long post)
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Mark, Excellent Post ! Ok, I will admit it; I was the one that put the sys_time handler on the NMI. 8-) I guess I will want to think about this a bit; but I see that you have done a good bit of that yourself. ... Could the 'Get' function do the (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Hammer Help
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I need help in designing a motor-driven hammer for my RCX Tank Base Two. The hammer should be forced down to create a greater impact than that as if it were simply dropped. The hammer should have a length of about 28 studs from its point of rotation (...) (23 years ago, 13-Dec-02, to lugnet.technic, lugnet.robotics)
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| | Working motorized focus for Vision Command
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I have always thought that LEGO should have built the Vision Command camera housing such that the focus could be motorized. I know I'm not the only one ... In this thread, Bob Fay (of LEGO milling machine fame) suggests using half of a large Technic (...) (23 years ago, 13-Dec-02, to lugnet.robotics)
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| | Re: Win98 cygwin USB installation
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Hi Collin, This post by John Hansen fixed things for me: (URL) Spencer" <cspencer@andrew.cmu.edu> wrote in message news:H71CzB.Ipu@lugnet.com... (...) USB (...) them or (...) to (...) the (...) the (...) USB (...) that (...) the (...) (23 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Win98 cygwin USB installation
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Ok, I think I figured it out...I don't completely understand the logistics of makefiles, but I changed the following line in Makefile.common: Before: CFLAGS = -O2 -Wall After: CFLAGS += -O2 -Wall I suspect that a later assignment to CFLAGS was (...) (23 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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| | Win98 cygwin USB installation
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Hello, I recently bought the LEGO mindstorms Invention System kit and I am trying to get brickOS v0.2.6 working on my PC (Win98). I also have the USB tower. So far, I have found 4 bugs in the current script. I was able to fix 3 them or work around (...) (23 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: RIS 1.5 85 at UK S@H
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In message <H64qy2.A44@lugnet.com>, Tim Auton <tim.lugnet@uton.org> writes (...) I can confirm Non UK European RIS 1.5 is still available for 85 quid. I ordered one today. (23 years ago, 13-Dec-02, to lugnet.robotics)
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| | Re: BrickOS Threading...
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The motor handler is only called once ever 2ms in the latest version of BrickOS (as opposed to every 1ms in earlier versions). This is a fairly recent change and it could be causing a "granularity" type problem with certain speed settings in your (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | BrickOS Threading...
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I'm having a problem, and I hope someone can help me. I've been running winLegOS, and I've switched to the latest version of BrickOS. I created a way to control the motors, which will reliably speed them up, and slow them down by using different (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | sys_time (long post)
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As I was poking around in the BrickOS kernel, it occurred to me that using the sys_time variable isn't entirely safe. Since sys_time is 32-bits and the processor can only read 16-bits at a time into a register, there is a period of time between the (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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