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 Robotics / RCX / *6275 (-20)
  Freebsd 4.4 and legos
 
Ok i just started using freebsd and i was wondering if anyone could tell me what tools i need to install to make legos compile and run correctly. Thankx, Jason Hensler (22 years ago, 14-May-02, to lugnet.robotics.rcx.legos)
 
  Re: More problems with floats
 
(...) It turns out to be the egcs 1.1.2 I compiled; the RPMs from sourceforge work fine. I'll try to find why my compiler was buggy... Thanks for your reply. Eric (22 years ago, 13-May-02, to lugnet.robotics.rcx.legos)
 
  Camera and legOS
 
I wonder if anyone knows about the compability between legOS and the camera set named Vision command that are available for the Legorobot? Has anyone made any progress in trying to get it to work wíthin legOS? We are to guys at the University in (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx.legos)
 
  Re: More problems with floats
 
(...) Eric, did you ever resolve this? If not, I could try to reproduce this... but I'd need two things: 1) the type of the return value of getVarVal 2) the type of the bool typedef Also, if you could run your cross compiler with the -v flag, that (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx.legos)
 
  Re: What about this for a new RCX 2.5 setup?
 
There is stuff going on. But it isn't my highest priority at the moment :( (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx)
 
  Re: What about this for a new RCX 2.5 setup?
 
(...) cost) (...) Replying to my own post, Why not build our own? Glue together some bricks, hollow them out and put in one of these babys: (URL) something similar. The comunity could work out building instructions and develop our own add-ons. (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx)
 
  Re: What about this for a new RCX 2.5 setup?
 
(...) What might be doable and best is a documented bus extension (a card plug-in) slot. This could be taken to the extreme by making a cpu unit that just has power (plug-in option of course) and memory (expandable of course) and maybe the IR or (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx)
 
  RE: What about this for a new RCX 2.5 setup?
 
I'd be happy with a good "official" LEGO SONAR sensor and a fixed version of the LEGO Rotation Sensor (without the lost "clicks" bug) On the RCX side, I'd like a RCX 3.0 with 6+ sensor inputs and more outputs (and more RAM. I'm using MANAS sets to (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx, lugnet.dear-lego)
 
  Re: Converting a float to an integer
 
It looks like xdist and ydist are integers. You divide an integer by an integer, the answer is an integer. For example, if xdist=5 and ydist=10, you have 5/10, the answer is 0 (with a remainder of 5). So, if you do the multiply first, you will be (...) (22 years ago, 13-May-02, to lugnet.robotics.rcx.legos)
 
  RE: Converting a float to an integer
 
I have built a plotter and want to draw a diagonal line of varying angles. It requires one motor to run slower then the other at a ratio based on the distance it has to travel compared to the other one. So I do something like this xspeed = (int) (...) (22 years ago, 9-May-02, to lugnet.robotics.rcx.legos)
 
  Re: A very Power Tool
 
(...) For all of the virus creators and senders out there: if there's one thing worse than a witless script kiddie, it's a scum-sucking virus propagator. Send all of the viruses to me that you want. They'll just go to my 10GB bit-bucket. Loosers... (...) (22 years ago, 12-May-02, to lugnet.robotics, lugnet.robotics.rcx)
 
  A very Power Tool
 
Do NOT OPEN THE ATTACHMENT!! It is a virus. It has been making the rounds, it is the KLEZ virus. Thought you all might want to know. Tim Burt (22 years ago, 11-May-02, to lugnet.robotics, lugnet.robotics.rcx)
 
  Re: [ANN] pbForth Version 2.1.3 Release
 
Thanks, it seems to work much better now. Very quick turn-around time, I appreciate that. You've done an excellent job putting this Forth together, thank you for your efforts. David (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx.pbforth)
 
  Re: What about this for a new RCX 2.5 setup?
 
Oh, and I forgot one of the "BIGGEST" wishes on the list: 5) Linksys wireless access port response rather than the directional IR port. Or at least SOME form of 900MHz+ communication that is non-directional, with higher bandwidth (who knows...maybe (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx)
 
  What about this for a new RCX 2.5 setup?
 
Seems to me that the BEST implementation of the RCX would be for some CORE changes and feature sets to be built in. I realize that these would be somewhat expensive, but I would pay pretty good money to have an RCX with the following specs (built (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx)
 
  Re: egcs compiler - float problems?
 
(...) I have not tried to compile this, but one thing that looks suspicious is that you are using doubles. Doubles are not supported. The compiler I have (some old version of GCC) treats doubles and floats as the same type. The compiler you're using (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
 
  [ANN] pbForth Version 2.1.3 Release
 
The new 2.1.3 Version of pbForth has only minor fixes thanks to the investigative efforts of David Rojas and Rob Harvey. They were able to provide detailed, reproducible bug reports, which makes fixing bugs so much easier. Thanks guys! Here's what (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
 
  egcs compiler - float problems?
 
Can someone using the egcs compiler suite test the following code? It seems it doesn't compile under egcs. int main(int argc, char *argv[]) { double foo = 1.0; return foo > 0.1 ? 0 : 1; } Compiles fine under gcc 3.0.3. Regards, Michael (22 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
 
  More problems with floats
 
When I try to compile a program containing the following function: bool tr_guard_foo_loc2_t0() { return getVarVal(&var_foo_cl) >= 0.1; } I get this error: /tmp/ccyEbqnS.s: Assembler messages: /tmp/ccyEbqnS.s:237: Error: cannot create floating-point (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx.legos)
 
  Re: semaphores
 
Would it be possible for you to send the entire source? I would like to see how it interacts with the rest of the program. Thanks for your help. "kenneth johansen" <kennethj@stud.cs.uit.no> wrote in message news:3CDAC372.34D72C....uit.no... (...) (...) (22 years ago, 10-May-02, to lugnet.robotics.rcx.legos)


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