Subject:
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Re: DATALOG and C
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 25 Jan 1999 16:27:43 GMT
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Original-From:
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Ben Williamson <{benw@pobox.com}ihatespam{}>
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Viewed:
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1253 times
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On Sat, 23 Jan 1999, Michael Gasperi wrote:
> The UploadDatalog and SetDatalog are Immediate Commands and
> can not be included in an RCX program.
I see your point about UploadDatalog, as the tower falls asleep and the PC
won't hear the RCX shouting. But SetDatalog seems to work in a program
just fine, to set the size of the datalog buffer.
BTW, what is the maximum size for the datalog, and how do you tell if
SetDatalog failed to allocate the space you asked for? Perhaps there
aren't answers to either of these questions. I've been using a 2000 entry
log, seems to work okay.
Cheers,
- Ben.
-------------------------------------------------------------------
Ben Williamson benw@pobox.com http://www.pobox.com/~benw/
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: DATALOG and C
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| (...) SetDatalog is listed in the SDK page 91 as an Immediate Command. If that is true then, if you put the command in with some downloadable RCX instructions, it does whatever it does right then and is not actually sent with the RCX program. (...) (26 years ago, 25-Jan-99, to lugnet.robotics)
| | | Re: DATALOG and C
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| (...) I believe that the maximum size of the datalog is 2033 entries, minus whatever you need for program data. If you want to figure this out dynamically from the PC, get the memory map after downloading all programs to the RCX. The maximum datalog (...) (26 years ago, 25-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: DATALOG and C
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| Brandon wrote in message <36A93B81.4F96@sprynet.com>... (...) I doesn't work that way. The RCX sends up to 50 data points at a time when it sees the UploadDatalog command. The RCX won't do anything thing like that from a program. The UploadDatalog (...) (26 years ago, 23-Jan-99, to lugnet.robotics)
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