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 Robotics / RCX / *7300 (-10)
  Re: now normally baumfamily != enteract
 
(...) Email to update crynwyr? Yes I hope so, yes I've tried, yes we're staying tuned, sorry I was unclear, that's what I meant when I mentioned I had seen a mailto channel work there before. But Lego I don't know how to reach. Do you mean to say (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
 
  Re: Is there a NQC HowTo out there someplace?
 
I was in the same situation as you when I started out with NQC and I found the following resources helpful... Programming Lego Robots using NQC by Mark Overmars is a good tutorial...I probably used it the most to learn the basics of NQC... (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
 
  Re: IR header how optional
 
(...) Whether serial transmission is as simple as start:data:parity:stop repeated, or not, I still have no idea. But I'm posting again to say in those calculations I was off a whole order of magnitude, sorry. I imagine the calculator I used reported (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx)
 
  Re: now normally baumfamily != enteract
 
(...) Email them perhaps? (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
 
  Re: Problems with NQC and math operations
 
Jeff, Your problem is with the 16 bit integer size that NQC uses. All integers are in the range -32768 to 32767. Using 10000 to simulate fixed point math operations is killing you. Everything works when you replace theta and D with constants because (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
 
  Problems with NQC and math operations
 
Hi- I'm currently working on a project to get a dead-reckoning navigation system to work with NQC and the RCX. Right now I have a compass sensor and a rotation sensor hooked up and the idea is that with an angle and a distance, I can get an x and y (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
 
  Re: LNP problem
 
(...) You need to compile remote.c for the RCX, that's the part running on the RCX. rcx.c and rcx.h define an interface for your application to use the functions provided in remote.h. Namely to turn on/of/break/reverse the motor ports and to read (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: Is there a NQC HowTo out there someplace?
 
(...) Well there are books called "Teach yourself C in 5 days", 21 days and so on... try amazon books. NQC is not actually a full C compiler, it has been simplified a great deal and if you learn the basics from a book, you'd be ready to go with NQC (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx.nqc)
 
  Re: IR header how optional
 
(...) I doubt anything (short of a 2MV Lightning Flash) will warm anything in 1 msec. ;) Also, the receiver won't warm up until the header has been read in completion and decoded. So I doubt it's used for that. Normally, in any communication, you'd (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx)
 
  IR header how optional
 
(...) Yep. But via our solid new reply framing code, thanks again, now I can see ... (...) Nope. At least not here: now that I look, I see my RCX often doesn't require the PC to send x 55:FF:00. IR command packets like x 10:FE 10:FE PBAliveOrNot and (...) (22 years ago, 2-Feb-03, to lugnet.robotics.rcx)


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