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 Robotics / RCX / NQC / 817
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Subject: 
Re: The datalog
Newsgroups: 
lugnet.robotics.rcx.nqc
Date: 
Thu, 5 Oct 2000 06:47:04 GMT
Viewed: 
2295 times
  
Dave Baum wrote:

In article <39DB70E7.432D2DEA@telia.com>, tobias.moller@telia.com
wrote:

BTW, what does the datalog *store*? Numbers? Events? Anything?


numbers.  It can only log timers, sensors, variables, and the system
watch.  When a value is logged, its source is also logged.  For example,
AddToDatalog(Timer(1)) adds the current value of Timer 1 to the log and
also stores that this entry came from timer 1.

If you log anything other than the above named sources (for example a
constant), the value is first moved to a temporary variable, then the
variable is logged.

You can use it for data collection experiments, or to let a robot create
a "transcript" of what it does.  Not really useful in isolation, but it
does provide a nice way for the RCX to collect a bunch of data for
future analysis by a host computer.

Dave

--
reply to: dbaum at enteract dot com

If only the RCX could read it's own data...

Dean
--
Coin-Op's For Sale!: http://www.akasa.bc.ca/tfm/coin-op.html
Dean's Lego Workshop: http://www.akasa.bc.ca/tfm/lego_wr.html
Vancouver Lego Club: http://www.akasa.bc.ca/vlc



Message is in Reply To:
  Re: The datalog
 
(...) numbers. It can only log timers, sensors, variables, and the system watch. When a value is logged, its source is also logged. For example, AddToDatalog(Timer(1)) adds the current value of Timer 1 to the log and also stores that this entry came (...) (24 years ago, 5-Oct-00, to lugnet.robotics.rcx.nqc)

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