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 Robotics / RCX / 1927
  Re: frame RCX reply how
 
(...) can be (...) This is the PBAliveOrNot (or ping) packet type. It has the side- effect of reinitializing the toggle bit used to determine repeat packets. Do you have the Minsdstorms SDK? It covers all the standard LEGO packet types in detail: (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
 
  Re: frame RCX reply how
 
(...) Ouch, we may be framing the hex differently here, sorry. The only x10 Ping known to me is the x10/18 command op that gets embedded inside of a packet like x 55 FF 00 10 EF 10 EF to provoke a reply packet like x 55 FF 00 18 E7 18 E7, or vice (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
 
  Re: frame RCX reply how
 
Concerning the parsing of LEGO packets, I've found these bits to be useful in coming up with a parsing algorithm: * Packets start with 0x55 * Individual bytes of a packet are sent with little or no delay in between bytes * Packets may or may not (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)
 
  Re: frame RCX reply how
 
"Pat LaVarre" <ppaatt@aol.com> wrote in message news:H9nAFD.7v@lugnet.com... (...) like x (...) byte x (...) course (...) the 4 (...) find (...) 10 EF? I follow you now (helps to look at the actual code ;-)... I would expect that raw byte sequence (...) (22 years ago, 1-Feb-03, to lugnet.robotics.rcx)

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