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 Robotics / RCX / legOS / *129 (-20)
  firmdl error
 
Can anyone here help me out with this error? I have no idea where to even begin. When downloading my binary (light-brait-with-debug.srec) I get the following error message: [usr@cs liv]# legOS-0.1.7/util/firmdl light-brait-with-debug.srec (...) (25 years ago, 13-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: legOS is great!
 
(...) Luis, this would be great. Obviously I don't have anything at all to contribute at present moment, but will do as soon as I have something worth to be shared. (...) Yes please. I wait for your URL. Thanks Mario (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: legOS is great!
 
(...) I'd love to set-up (and even host) such a depository. However, at the moment, I don't have much to contribute. As I'm working my rear-end off right now, that should change by friday, but :-) (...) Yeah. I was thinking about a HOWTO, in fact. I (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  legOS is great!
 
Last weekend I finished setting up my PC (win 95) to use legOS. It took some more than a while to be ready, but now I'm absolutely happy with it. legOS is simply great and I'm very intrigued with it now. I'd like to thank Markus L. Noga and all the (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  Installation trouble with Linux
 
My system is a Redhat 5.1, i586. I had some problems installing the LegOS. Here are the steps I took. 1. I successfully installed binutils, unpacked the legOS-0.1.7 package. 2. I installed the egcs-1.1b package with the exact options given in the (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  PS
 
As an addendum to my light message, I checked direct-sensor.h, and the numbers there seem to work out just fine. Could this be a compiler problem on my part? Just another thought- Luis ###...### "They call the faithful to their knees to hear the (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  light values?
 
Another question before I call it a night- under LegOS 0.1.6, light-sensor values were restricted to the range 0-100. Under 0.1.7, I'm now getting a max value (pointed straight at a light bulb) of about 263, or once even 272. 255 would make sense to (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  Updated Win32 toolchain
 
I've put an updated Windows 95/98/NT H8/300 cross-compiler, based on EGCS 1.1.2 (basically, the EGCS 1.1.2 release plus Mumit Kahn's Win32 patches, plus a couple of source hacks), on (URL) - this time, I've bundled in enough to compile without (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: floats
 
Thanks, Kekoa. (...) Well, as it appears I don't have much of an option, I'll stick to ints then :-) -Luis ###...### "They call the faithful to their knees to hear the softly spoken magic spell:" "There's no place like home... There's no place like (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: floats
 
(...) The errors you see are due to the fact that there is no hardware support for floating point. The compiler substitutes calls to the software equivalents, which do not exist; hence the linker errors you see. The math routines that do exist are (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  floats
 
When I try to use a float in my code, I get a compiler message somewhere along these lines: <begin error message> ../code/light-brait....t-brait.c: undefined reference to `__floatsisf' ../code/light-brait....t-brait.c: undefined reference to (...) (25 years ago, 12-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: loading s/w
 
(...) legOS has a software solution built-in - when you are ready to quit, hold down the on/off button and press the 'prog' button. Hope this helps! Cheers, Richard (25 years ago, 9-Apr-99, to lugnet.robotics.rcx.legos)
 
  Web based LegOs compiler for the underprivileged?
 
I recently downloaded a program for the palm pilot that displays up to date movie times and locations based from perl parsed data from movies@yahoo.com It is a great program, but getting and setting up Perl on my system was a real pain. Luckily (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
 
  Re: loading s/w
 
(...) I skipped something here. The assumption I made is that you want to load new custom firmware. If you want to load the Lego firmware, find the Firm0309.lgo file in your Mindstorms directory, and load that into the RCX exactly as you would (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: loading s/w
 
(...) I belive LegOS breaks firmware deletion, in the sense that the "delete firmware" opcode is not supported by the IR routines, but I could be wrong about that. If you are using an AC adapter and no batteries, the easiest thing to do is to turn (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: gcc build instructions for linux
 
(...) I observed the same phenomenon, only I was using gcc-2.8.1. I never did find out what was wrong, but I assumed it might have something to do with the new libgcc stuff which appeared in 0.1.7. I eventually got working by installing egcs-1.1.1. (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: loading s/w
 
(...) Have you tried the firmdl program in the utils directory? You might need to recompile the executable manually, as on my system it gets compiled for the h8 :) And there's an environment variable that you can set RCXTTY or something - if you (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
 
  xanim plays mod files
 
The new version of Xanim (xanim2801.tar.gz) will play the mod files on the Lego MindStorms CD. (URL) hosted LegOS embedded - cool! (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
 
  loading s/w
 
After successfully downloading and running tm-and-ir.srec (Linux host), I cannot download to it any longer. Upon power up, the LCD displays LEGO!5 and I can select any other program slots. I could just re-load firmware in '95 but I don't want to (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)
 
  Re: gcc build instructions for linux
 
OK, I have some more information now. When I build 0.1.6 in my new environment it works fine. 0.1.7 and the snap exhibit the problem. The problem is that when using tm-and-ir, the 'view' button (which is supposed to send the message "Hello World") (...) (25 years ago, 8-Apr-99, to lugnet.robotics.rcx.legos)


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