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 | | Re: Power to RCX
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| There is a difference between a voltage regulator (which limits the maximum voltage applied to a circuit) and a rectifier (which turns AC into pulsed DC - to be smothed out by a capacitor - it also ensures that you can't connect a DC power source (...) (23 years ago, 12-Feb-02, to lugnet.robotics.rcx)
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long
(score: 0.322)
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| | Re: multiplexor and legOS
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| (...) I agree about the cause for the msleep granularity, I'd seen the same stuff in tm and assumed that would cause the problem. Sorry my last note was a little unclear, I tried msleep and delay but am now using my own function which seems to (...) (23 years ago, 4-Feb-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.322)
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| | Re: Major breakthrough serial wise.
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| in article 39365A56.86986217@nexen.com, Steve morris at smorris@nexen.com wrote on 6/1/00 5:43 AM: (...) Try posting this on a more general list if the following suggestions don't help: 1) put the RCX and tower underneath a box to block out all (...) (24 years ago, 1-Jun-00, to lugnet.robotics.rcx.pbforth)
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tower
(score: 0.322)
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| | Re: Incorrect result
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| (...) 256 * 128 = 32768, one higher as the biggest positive integer value. The cast to long would help, but your cast is too late. I have not tested, but I think rc += ( (long)b->magnitude * (long)TA_costable[...] ) >> 7; will help. Try output in (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.322)
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| | Re: RFC: Creation of Version 0.2.6
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| It appears that the time has come for 0.2.6; it has been more than 18 months now since 0.2.5. I still lurk here, but my work with Free Software has consumed my time- even when I'm not paid, I'm pretty much a slave to bugzilla.gnome.org and (...) (23 years ago, 9-Feb-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.322)
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| | Re: multiplexor and legOS
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| (...) Actually, something like this has been documented and done by Pedersen, Christensen, Rasmussen ("Prioritized Interrupts in LegOS"). They actually document the problem of sensor misses related to task management, significantly reducing the (...) (23 years ago, 5-Feb-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | Re: multiplexor and legOS
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| (...) I don't know about this 20ms granularity and how delay() is going to be any better. Here's the code for each function: //! delay execution allowing other tasks to run. /*! \param msec sleep duration in milliseconds \return number of (...) (23 years ago, 4-Feb-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | Re: multiplexor and legOS
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| (...) Thanks, I'd suspected that msleep might not be very accurate but never considered that it's true granularity could be so large. I did a quick test with my current configuration and when I asked msleep to sleep for 12ms it slept for 20. This (...) (23 years ago, 4-Feb-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | RE: Incorrect result
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| <snipped code> (...) Robert, this is a classic problem with ranges of singed numbers in C rx = (long)(a->magnitude * TA_costable[a->direction]) >> 7; I don't have an RCX in frot of me, but I think you need to cast a->magnitude to long before the (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | Re: true tcp/ip on the RCX
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| (...) The C64 server survived the "Slashdot attack" without problems, even though it served tenths of thousands of pages over a period of only a few hours. Since it is configured to allow only 10 simultaneous connections, it could more or less serve (...) (23 years ago, 4-Feb-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | Web based control
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| I apologize if this question has been asked and answered, but searching through this group did not provide a solid answer. Can this be done.. I have a linux box running as a webserver. I would like to plug the IR unit to the serial port and be able (...) (24 years ago, 8-May-00, to lugnet.robotics.rcx)
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ir
(score: 0.321)
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| | Incorrect result
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| This problem, unlike the other, is definitely not a result of my eyes/brain being tired or something. I thoroughly displayed every value before and after evaluation and the result is ***WRONG***. Here is the code and the values: typedef struct { int (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | Re: Incorrect result
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| (...) Yes, this is what happens when one is used to just making everything long and not considering overflows. Even worse was that I was doing the math on the computer's calculator, but not looking at the intermediate result, just typing in the (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.321)
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| | RE: Multitasking questions
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| (...) Ummm, I'm in the process of verifying all of the old scripts I package with pbForth. It looks like HAT is what actually works, and I've managed to change the documentation and not the code. HAT is in the origianl hForth implementation but I (...) (24 years ago, 3-May-00, to lugnet.robotics.rcx.pbforth)
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ir
(score: 0.320)
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| | RE: Help with Terminal Emulator
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| (...) I have run into this too, Jerry. A few especially bothersome noise sources include video cameras, security systems, and remote controls. You might consider covering the RCX and tower with a box or towel... I'm glad the terminal emulator works (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.pbforth)
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tower
(score: 0.320)
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ir
(score: 0.320)
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| | Re: Windows communication to the RCX
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| Hello all, after playing a bit with Manuel's application, I ended with a console Win32 application to send/receive LNP messages. It's more simple and ready to be used in combination with other applications. However, it doesn't use overalapped I/O (...) (24 years ago, 2-May-00, to lugnet.robotics.rcx.legos)
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ir
(score: 0.320)
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| | RE: New pbForth GUI
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| Ok, Ok, I'm an idiot....this is such a polite group that no one ever says RTFM ;>) Well, you did Ralph, but very, very nicely.... This GUI works great in NT (NT4.0 SP3), with very little work (once you start to think). Download and unzip TclTk ( I (...) (24 years ago, 17-May-00, to lugnet.robotics.rcx.pbforth)
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tower
(score: 0.319)
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| | Re: More on threads
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| (...) I recall that legOS's priority model is pretty rigid. If a thread with a higher priority never yields, threads with lower priority will never get any time. When I write legOS programs, I generally just have everything run at PRIO_NORMAL. That (...) (23 years ago, 19-Jan-02, to lugnet.robotics.rcx.legos)
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long
(score: 0.319)
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| | RE: New pbForth GUI
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| I poked about a bit also and found: (URL) 3.html This is one source of both givio.sys, and the instdrv.exe which will register the giveio.sys as a system device driver. Instdrv is a console app which has been adapted from the Microsoft DDK version. (...) (24 years ago, 17-May-00, to lugnet.robotics.rcx.pbforth)
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tower
(score: 0.319)
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