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Hi, I suppose it must have been done before, because it is so obvious, but I can't seem to be able to find information about it on the web. Can anybody tell me how to access the RCX display directly, that is, for example, display numbers or such? A (...) (24 years ago, 26-Jan-01, to lugnet.robotics.rcx)
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| | Re: legOS lcd management and thoughts on velocities
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(...) Yes, I have written that support. First you have to enable it, by removing the comments from the line in legOS/boot/config.h. Then recompile the kernel and all apps. After you have programmed the rotation sensor in the usual way you can read (...) (24 years ago, 26-Jan-01, to lugnet.robotics.rcx.legos)
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| | Visual NQC 2001 Beta 2
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To all testers, Runtime error 380 stands for invalid property. This can happen when you try to compile a program in the editor. I had the error ones during development but it didn't come up anymore. Next week I'm starting bugfixing again and see if (...) (24 years ago, 26-Jan-01, to lugnet.robotics.rcx.nqc)
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| | How many motors can accept a RCX ?
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Hi, everybody <DISCLAIMER> Excuse me first for my newbieness here on Lugnet. and also for my frenchieness, but it's not my fault ! </DISCLAIMER> I have a question I'd like to submit: Because of extreme needs of power/ acceleration (it was about (...) (24 years ago, 26-Jan-01, to lugnet.robotics.rcx)
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| | RE: Confusion regarding the POWER_OFF command.
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(...) I was too. It's a bit goofy, so I'll try to explain as I go... (...) That's fine - the only thning you need to do (I think - I'm away from my RCX) is to put POWER_INIT just before POWER_OFF. The POWER_INIT word initializes the interrupt (...) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.pbforth)
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| | Re: Visual NQC 2001
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I have downloaded and installed Beta 2. I am having a problem that I had with beta 1. When I "Compile" I get a "Runtime Error '380' Invalid Property Value". Am I alone in this problem? If so, what does it mean? Is something missing from my Win98? -- (...) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.nqc)
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| | Re: sleep efficientcy
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(...) value (...) There are two issues: 1 do you want to do anything while waiting, 2 how quick do you want to respond to the event. In both cases using an event is better. You can do something else until the event happens (synchronization issuses (...) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.legos)
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| | Visual NQC 2001
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I've fixed a lot of problems thanks to your testing and reporting. Beta relase 2 is now available on (URL) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.nqc)
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| | Confusion regarding the POWER_OFF command.
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I'm a little confused with the POWER_OFF word. From reading the documentation, I would have though the following would work: POWER_INIT : test BEGIN DO-WORK POWER_OFF 0 UNTIL ; When 'test' is executed, both 'DO-WORK' and 'POWER_OFF' are executed, (...) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.pbforth)
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| | Re: sleep efficientcy
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(...) value (...) Ross, I can't speak about efficiency - I dont know enogh about embedded programming, but I've had better results using wait_event. I've tried both msleep() and yield() in a loop, and just calling wait_event with a function that (...) (24 years ago, 25-Jan-01, to lugnet.robotics.rcx.legos)
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| | 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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