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 Robotics / RCX / *7280 (-10)
  Re: command framing as seen from kernel/program.lrkey_handler
 
"Pat LaVarre" <ppaatt@aol.com> wrote in message news:H9n64q.B2p@lugnet.com... (...) I dunno, haven't found one yet, though. (...) choice (...) Touché. Yes, tables, overlooked that. (...) the (...) expensive (...) I think that smaller code size is (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: command framing as seen from kernel/program.lrkey_handler
 
(...) Mmmmm. I am curious, if that's ok. To get log2(xx) in O(1) time we could fetch (p[xx & -xx]) i.e. fetch our choice of the bytes at offset x 0 1 2 4 8 10 20 40 80 from some p we like. Merely standard C can't easily express that old idea without (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: frame RCX reply how
 
(...) Anyone know more specifically where to read how Lejos frames standard RCX IR replies? Does Lejos even include any .java code that runs on the PC? I mean to be asking how a PC should frame the standard replies from Lego RCX fimware, not how a (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.java)
 
  Re: frame RCX reply how
 
(...) Ah, thanks. Can we therefore conclude 45.8 ms/byte = 11/2400 s/byte for each byte of a burst? (...) Tell me more? Do we mean to say RCX in the middle of a football field echoes less well? Should I discard the echo, rather than checking it for (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
 
  Re: command framing as seen from kernel/program.lrkey_handler
 
(...) (URL) The missing (key & -key) might interest people who haven't used log2 & - to (...) number (...) and (...) log2(key (...) If I'm interpreting your shorthand correctly: there's no fast way to execute log2() on the H8 (i.e. no O(1) (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: frame RCX reply how
 
(...) Bingo! I reached the bricktools/ of the frame-free: (URL) bytes At a glance, I missed how bricxcc toggles x08 in the command op to let command ops be repeated, but I'd now guess the bricxcc algorithm for framing standard RCX replies is: 1) (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
 
  Re: How to use TowerApi.dll without TowerApi.lib
 
Hi, again ! I am sorry. I uploaded the imperfect file. I changed the USB LEGO Tower setup and have examined in the state where it is not a standard. Already, I fixed the bug, please download again. (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx, lugnet.robotics.spybotics, lugnet.technic.bionicle)
 
  framing RCX LNP replies in Java
 
(...) Thanks I reached: src/org/javastorms/lnp/IR.java (...) I think I see ... readMsg accepts what it likes else dies after reading the first distasteful byte. readMsg likes either of xF0 or xF1, then a length byte, then that many bytes, then a (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.java)
 
  command framing as seen from kernel/program.lrkey_handler
 
(...) Thanks for the tip, in reply here is a perhaps stunningly ignorant walkthru of how brickos frames standard commands, viewed by the newbie Me from kernel/program.lrkey_handler. The missing (key & -key) might interest people who haven't used (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: frame RCX reply how
 
Hi pat, (...) This is what you send reflected by the walls, I think. (...) Bits 0-2 of the opcode tells you the number, with 6 meaning 0 and 7 meaning 1. For some special opcodes it is longer. (...) + 1 start bit I think there's some Java code for (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)


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