 | | sleep efficientcy
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Hi again, i would like to know which is more efficient in code? having a while loop which is checking for a condition to be true and sleeping for an arbitary value while it is not, or using a wait_event statement passing a function pointer to a (...) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Parallel sensor problem
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(...) That isn't the problem. I reversed the sensor on one RCX, and they both showed it as being constantly pressed, so that must be the wrong polarity. But I also tried moving it from input 2 to 3. Works fine. Same programs, everything, it works in (...) (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: LegOS 0.2.5 and LNP
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(...) after (...) old (...) That's true. I've noticed it. I was speaking of PC implementation. (...) semaphore (...) in a (...) instruction (...) wait (...) of the (...) shouldn't (...) Ok, perfect. I vote for the semaphore implementation. I also (...) (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: C++ OverHead
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Hi, The answer here depends on your coding style. If you are using non-derived concrete classes, with simple member data and the default constructor/destructor, then it costs ~10-20 bytes/class. If you are using non-derived concrete classes, with (...) (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Motor Speed value interpretation?
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In lugnet.robotics.rcx.legos, Rossz Vamos-Wentworth writes: ... (...) hmmm... did your wife figure out what vamos means... you might have to change that one too :-) sorry, but now I don't remember the question about the motor speed (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Cybermaster: Cannot receive though sending works (w/o sprit.ocx)
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Hi, yeah... me I just went through such trouble using Java. The RTS should be 'false'. Then by experimenting I found switching the DTR before and after sending to have some positive effect. I trust you adhere to + starting a session with 'Alive' (...) (24 years ago, 24-Jan-01, to lugnet.robotics, lugnet.robotics.cybermaster, lugnet.robotics.rcx)
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| | Delphi to Robolab
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Hello! We have a project in school, and are going to make a lego robot. Is there anyone out there that can tell me how we can program in Delphi 4, and get the program to robolab? Is this posible? (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.robolab)
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| | Re: Motor Speed value interpretation?
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(...) My birth name is actually Ross, but I changed it to Rossz when I married my Hungarian wife. In her language it means 'bad'. :) Rossz (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: C++ OverHead
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(...) Hi, unfortunately I am unable to answer your question, however I am very interested in what you are doing with GA. I recently recieved my RCX and have done GA work in the past as part of my schoolwork. I would love to try using some GAs with (...) (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | MacNQC Beta
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Hi all, I have been working on an updated version of MacNQC and am now ready for a public beta. If you are interested in it, it can be found at (URL). There are some new windows to control the RCX and the compiler has been updated to NQC 2.2r2. Rob (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx.nqc)
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| | Re: Parallel sensor problem
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Bernardo Dal Seno <piu1759@cdc8g5.cdc.polimi.it> wrote in message news:87d7dd25ge.fsf@...o.bogus... (...) crane, and (...) RCX 2. (...) like: (...) Thanks. I'll try that. (...) happens (...) connected to (...) Nup. I disconnected the motor, but the (...) (24 years ago, 24-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Parallel sensor problem
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(...) I don't know if this is your problem, but the input ports have polarity (one lead is connected to ground and the other to +5V through a resistor, if I remember correctly). Have you tried to change polarities? (...) Maybe the problem is not in (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: LegOS 0.2.5 and LNP
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(...) On the RCX the LNP handlers are called from an interrupt handler, so after the execution of lnp_*_set_handler() you can safely assume that the old handler will not be called any more. On a PC things are different, there is a problem. I didn't (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx.legos)
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| | RE: Mindstorms for Dummies (off topic)
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Hi Jeffrey! On 22 Jan 2001, Jeffrey Hazen <jeffrey.hazen@northmill.net> wrote in <01C08491.E5EEA300@northmill1>: (...) Last dummy book I had in my hands (at the Frankfurt Book Trade Fair) was: "Sex for Dummies". I couldn't help but ask--I was at the (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx)
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| | Re: C++ OverHead
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I seem to recall someone doing some testing that showed that C++ programs worked out to take out somewhere around 2 to 3 times the space of comparable C programs. However, I'm sure that varies. Luis (...) ---...--- "Nobody ever said that democracy (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Battery contacts losing their springiness
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If pulling the spring back out does not do the job, try inserting a small piece of soft foam behind the spring contact. -- Bob Fay California, USA rfay@we.mediaone.net (URL) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx)
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| | leJOS presentation
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Hello, I'm going to be speaking about leJOS at the O'Reilly Java conference: (URL) March 29 at the Westin Santa Clara. Unfortunately, you can't come see it for free, but I thought it was worth mentioning anyway. Even though the online description (...) (24 years ago, 23-Jan-01, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | Re: Motor Speed value interpretation?
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(...) As far as I can tell, the speed value really affects power output. This indirectly affects speed, but not in a very happy way. You end up with a wide range of values that give you nearly the same speed, then a very short range that decreases (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx.legos)
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| | C++ OverHead
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Hi all, a simple question ( I hope) I'm running a small GA on my rcx block , and I'm fairly happy qwith my results so far, it evolves well tot he conditions, however I'd like to try something new <g>... I'm going to try to evolve sub-sumptive (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx.legos)
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| | Battery contacts losing their springiness
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My RCX's battery compartment's contacts have lost their springiness, such that if the RCX is jarred it loses power, and the cells will fall out if the RCX is held with the battery compartment down. I suspect a combination of causes: * Leaving the (...) (24 years ago, 23-Jan-01, to lugnet.robotics.rcx)
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