 | | Re: Library use in LegOS
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(...) of (...) For the IAR compiler, this should not a problem. The libraries are optimized for minimal size, so we can probably use the standard libraires. And give our students the benefit of a full C lib. /jakob (24 years ago, 28-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: Neural network for legOS... ??
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(...) Sorry Niels, but I would say just try it yourself, they're not that hard to do, failing that if you can find the source for a small ANN, then that stands a good chance of working, I'm running quite a powerful evolutionary algorithm on mine, (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: Running IR in the background
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Hannes, I got it to work last night. I'm modifying Markus Noga rover.c code (included when you download legos files) to include support for IR port and (passive) light sensor. Great code to look at if you're just learning C/C++. Basically, the (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: light sensor multiplexer
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Hi Nitin, thanks for your information. You know, by asking questions, you'll get the answers often from yourself. Just when I posted the question to you, Eureka. But let's be fair, you were the one who triggered me. I've adapted (without the power (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx)
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| | RE: Electrical Data Link between 2 RCXs
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Hi Bernd :) I see we're working in the same subject here :) *great* If you care to browse lugnet.robotics old thread "VLL *input* for RCX/CyberMaster (in NQC) ?" or the newer one, starting with "CM-RCX" (the subject had some variations) Your (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.nqc, lugnet.robotics)
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| | Re: Running IR in the background
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(...) Commentary below. (...) I must have missed this one the first time around. lnp_logical_write() will block, but it should only block the thread it's called from. Put your send-zero loop in a separate thread and I think you should be set. (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: New Group?
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Hi All, Although I started with NCQ I've used Gordon's Brick Programmer quite a bit. Its neat for putting things together quickly and I use the library import screen a lot to reuse bits from old projects. I'd like to hear about how other people use (...) (24 years ago, 27-Mar-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Running IR in the background
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(...) Huge coincidence that your message should be the first I see after not having read the newsgroup for almost a year. No, as far as I can remember I never got an answer. I am using mindstorms for my final project after not having a chance to (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: Running IR in the background
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Hannes, Did you ever get any help with your question (below)? I'm trying to use the IR port on RCX along with light sensor (passive) as collision detection device. Having the same problems you're having. Clayton (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: light sensor multiplexer
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Hi Stef, sorry for little late. What I am doing is that I need to get the voltahge down and most efficient way of doing that without losing swing ( if you divide you lose swing too) is level shift it and you can do it by putting by Zener. I need (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx)
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| | Re: Library use in LegOS
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(...) Not sure of the details, but the linker takes the .o file, and the symbol file LegOS.lds, created during the kernel compile, and produces two files; .ds1 & .ds2, which are then passed to makelx to produce the lx file. So it seems the linker (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: .lx format
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(...) One other possibility is to not use the lx files at all - just stick to the srec format as (I think) LegOS used to (version 0.1.x?). A bit less efficient downloading the kernel all the time, but removes the need to dabble with lx format at (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Declarations in header files
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Hi! This is very technical, but: does the declaration of an "extern inline const void" function really make sense? GCC accepts it, but that is a VERY lenient compiler. An extern function should be definition not have a definition, and 'const void' (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: .lx format
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(...) So in effect, it is dependent on the gcc loader mechanism. Ungh! The idea of using two symbolsrec files: one could be kernel, the other the program. Would make sense for kernel call resolution. (...) I looked at it, and it mainly outputs (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: Library use in LegOS
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(...) OK. How are the calls to the kernel resolved? By the makelx program, or by some magical stuff in the linking. I can imagine compiling the kernel, getting a symbol table out, and then when compiling user programs, you use a linker DEFINE or (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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| | Re: New Group?
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As the author of GBP I get 3 or 4 emails a week about it and there have been 9,647 hits (I just checked) or the download page since I installed the counter about a year ago. My only problem with the idea of setting up a GBP group is that it might (...) (24 years ago, 27-Mar-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: The sound of train
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I don't have any specifically for trains, but my crane has a two-tone warning sound - you can find the programming info at (URL) The warning sound is generated by RCX1. I'm not sure how difficult it will be to translate this into NQC, but basically (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx, lugnet.trains)
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| | Re: The sound of train
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Thanks. Could you show me legOS source? (both steam and diesel), I have no idea about music or sound. I can convert it to NQC, what I am using NQC is that I want to make all my programs that can be used both by RCX and Scout. Zhengrong (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx, lugnet.trains)
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| | Re: The sound of train
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Your original post mentioned "warning or alert". Are you looking for train sounds, or warning sounds? The train sounds that Sonnich is talking about is actually the puff-puff of a steam engine, and would be very difficult to duplicate with the RCX, (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx, lugnet.trains)
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| | Re: The sound of train
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You used hardware? that is not my hoping. Zhengrong (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx, lugnet.trains)
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