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 Robotics / RCX / legOS / *1524 (-10)
  Re: Fixed-point Math
 
(...) By all means go ahead. I can write up some explanation as to what they are and how they work, too, once I find time. Also, nobody seems willing/able to write anything about semaphores, so when I write that up I'll see about a little blurb on (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
 
  Re: Fixed-point Math
 
Mike- If you want to, I'd be happy (later- busy this week) to mirror those on the sourceforge site. They look quite useful, and I'll be sure to mention those in the HOWTO (whenever I next have time for that. :| Luis (...) ---...--- "Nobody ever said (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx.legos)
 
  I'm back!
 
I just saw four messages of mine (sent over the course of three days) show up simultaneously in my inbox. I guess my connection to lugnet is happy once again. I did get an error report on one of them, and it looked like some mail server in the (...) (24 years ago, 15-Nov-00, to lugnet.robotics.rcx.legos)
 
  Re: Math
 
(...) Most math functions aren't available. They would require so much computing power, and so few people would use them, that they probably aren't worth the code space in the kernel. You could probably find some sample implementations of pow and (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)
 
  Fixed-point Math
 
I'm not sure if this will make it to the list, but we'll see. I sent out a message twice and it still hasn't shown up. Anyway, I have uploaded my fixed-point math routines to my web site. This includes simple stuff like multiplication and division, (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
 
  Re: Math
 
I sent this before, but it never made it through. My apologies if this ends up being posted twice. (...) (24 years ago, 13-Nov-00, to lugnet.robotics.rcx.legos)
 
  Re: Strange problem using 2 active sensors at the same time with 0.2.4
 
(...) I don't have a solution, but I thought I'd throw in my experiences. I curently have a robot that uses two rotation sensors, and I've never had trouble with them under either 0.2.3 or 0.2.4. I looked through your code briefly and couldn't find (...) (24 years ago, 15-Nov-00, to lugnet.robotics.rcx.legos)
 
  Strange problem using 2 active sensors at the same time with 0.2.4
 
Hello In a actual project, i'm using the following setup: Input: 1 Rotation sensor (steering) 2 nc 3 Rotation sensor (distance measuring) Output: A drive motor B nc C steering motor If more than one sensor is set to active, only the first (steering) (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
 
  Re: Math
 
I received the following comments and code from Mike Ash, whose Lugnet 'connection' appears not to be working at present. Big thanks Mike. I've yet to try it, but it looks OK in theory. (...) Most math functions aren't available. They would require (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx.legos)
 
  Re: Math
 
Mike, You may have to look at writing your own. I know there's a libmint (integer math) library, but I'm currently at work, and can't check what else is there. Maybe need a libm to put all math functins in?? ROSCO mike mcfarlane (...) (24 years ago, 12-Nov-00, to lugnet.robotics.rcx.legos)


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