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long
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 | | lnp communication question
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| Hi! When using lnp_integrity_write(&data, length), what is the length argument used for? The data can only be one byte long if I understand it correctly. Can I use the length argument to send an additional byte of information? Is there anyway I can (...) (24 years ago, 14-May-00, to lugnet.robotics.rcx.legos)
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long
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| | We need a FULL install of everything!
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| In response to your e-mail message: I realize it's *technically* better from a logistics standpoint to require people to download everything seperately, so they'll get the "absolute" latest version. However, I think that you have to give a little (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.162)
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| | Re: Very strange problems
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| (...) That is really bad news. Since we are writing a genetic programming system with six RCXs involved that communicate with each other, the programs tend to get pretty long. Often things fail. Right now I have the problem that if I save a program (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.162)
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| | random
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| Hi! Back again with more problems. I want to use random() in my programs and looking in stdlib.h it looks like it is implemented. It says: extern long int random(void); extern void srandom(unsigned int seed); When I didn't have stdlib.h included, I (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.162)
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| | Re: RTC
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| NOTE: This is a continuation of a conversation with Mr. Hempel via email. >> Can I send this text to the robot from a pc at an arbritrary time? How long >> will it take each instruction to download? >Yes you can. I've written a Tcl (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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long
(score: 1.161)
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| | Very strange problems
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| Hi! I am experiencing some very strange problems when programming my RCX. Sometimes (too often) the RCX just locks up when I run my program and I have to remove the batteries and reload the firmware. I have now found that very small changes in my (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.161)
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| | Re: LinuxPPC success
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| (...) I would like to add it to the HOWTO, or at least to someplace where it is widely publicly available- probably with the instructions at (URL) On another note, where does one find the LNP stuff these days? Arthurdent (...) /Everything/ is a bad (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.159)
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| | Re: Help with make in Windows
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| (...) In Unix-ish systems, that style of error message means that it is being generated by the program yada/yada/ld. So, what is happening is that ld.exe is unable to find crt0.o, whatever that is. (...) This is rather odd. /legOS/include/config.h (...) (24 years ago, 12-Jun-00, to lugnet.robotics.rcx.legos)
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long
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| | Re: NQC 2.x event processing
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| (...) Getting things like Timer[0] = 100; to work while still allowing if (Timer(0) < 100) { } is a lot harder than I had anticipated, so I'm punting on array-style setting of the various RCX source (such as Timer(), UpperLimit(), etc). There are (...) (24 years ago, 13-Jun-00, to lugnet.robotics.rcx.nqc)
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long
(score: 1.159)
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| | Re: interrupts for buttons
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| Sorry about the long delay, I've been away. Demo.c is inaccessable because it was written for 0.1.7 and I've not yet had the time to update it. Unfortunately, this is going to be a semi-major task and so will probably be one of the last things to (...) (24 years ago, 2-Jul-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.158)
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long
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| | Re: Call for Mac programmers
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| (...) I've posted the source code for MacNQC (sorry it took so long): (URL) there are any serious takers for continuing MacNQC development, please let me know. About the only thing I'd be concerned about is that the project should stay MPL'ed. Dave (...) (24 years ago, 1-Jul-00, to lugnet.robotics.rcx.nqc)
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long
(score: 1.157)
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| | running the motors underwater
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| A few years ago some kids I was working with were trying to outfit a LEGO boat with a paddle wheel and micromotor. While they were working, one kid got the idea that he was going to put a propellor onto one of the 4200 rpm motors, add wheels, and (...) (24 years ago, 29-Jun-00, to lugnet.robotics.rcx)
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long
(score: 1.156)
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| | Re: legOS battery life code
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| Sorry! I forgot to post the code. Here it is: #include <dsensor.h> #include <dlcd.h> #include <conio.h> int get_battery_mv() { long b; int mv; b = BATTERY; b = ds_scale(b) * 0xABD4L; mv = b / 0x618L; return mv; } int main(int ac, char **av) { int b; (...) (24 years ago, 5-Jul-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.156)
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| | Strange crash (and possible fix)
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| I had a strange experience today. My program likes to crash a lot. I accept this as a fact of life now; part of it is the difficulty in debugging it, and part seems to be the beta-ness of legOS. However, today, I tracked down one particularly evil (...) (24 years ago, 14-Jul-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.156)
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| | Re: Linking failure when 'making' an lx file
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| (...) Sorry about the extra stuff, the linking problem was due to the compiler trying to find the above link "___ucmpsi2". When I used h8300-hitachi-hms-nm I could see all the methods and links in my code, and this was the only strange looking one. (...) (24 years ago, 28-Aug-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.155)
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| | LegOS on LinuxPPC
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| I recall somebody writing to this list about a problem with LegOS under LinuxPPC, and the message seemed to imply that things were mostly happy. I can't make the compiler compile. I'm using gcc 2.95.2. The make proceeds for a good while, then I get (...) (24 years ago, 10-Jul-00, to lugnet.robotics.rcx.legos)
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long
(score: 1.155)
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long
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