Subject:
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Re: polling & the RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 12 Feb 1999 06:45:41 GMT
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Viewed:
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1518 times
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Datalog uploading works a lot better if you initiate it from the host
(your Linux box). As of version 1.1, uploading is built into nqc...
nqc -datalog
Older versions of nqc required using a separate utility to upload the datalog.
Initiating the upload from the RCX is problematic because the IR
transmitter times out after a period of inactivity, making it difficult
for the host to passively wait for data to arrive.
If you still want to write a custom program to handle the datalog, you can
download the NQC source
(http://www.enteract.com/~dbaum/lego/nqc/index.html) which includes
several utility classes to manage the serial connection and format the
datalog.
Dave
In article <36C3822F.52D35E32@cygnet.co.uk>, Mingus Rockbutt
<mingus@cygnet.co.uk> wrote:
> Please excuse what may be a stupid Q but....
> how do I retrieve the datalog from an RCX (coded in nqc if it matters).
> Im running nqc on a Linux box and I'm clueless as to how to transfer the
> data captured from the RCX, via the IR tower to the computer - can I
> just use a comms package such as seyon or whatever? If so what are the
> protocol settings? What I have in the RCX is:
>
> SetDatalog(16);
> while (count < 16)
> {
> Datalog(IN_2);
> count +=1;
> }
> UploadDatalog(1,15);
>
> I _think_ that the data is being sent from the RCX - its transfer LCD
> bit is lighting up - but the IR tower is sleeping or, If I fire up
> minicom the tower active LED is lit but no amount of protocol setting
> retreives anything.
>
> Sorry that this sounds like the Spanish inquistion but my C coding is
> definitely up to writing a port polling program if that's what's needed.
> (AI student - Prolog just does not talk to hardware)
>
> TIA
> Tim Kay
> mingus@cygnet.co.uk
>
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
reply to: dbaum at enteract dot com
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Message is in Reply To:
 | | polling & the RCX
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| Please excuse what may be a stupid Q but.... how do I retrieve the datalog from an RCX (coded in nqc if it matters). Im running nqc on a Linux box and I'm clueless as to how to transfer the data captured from the RCX, via the IR tower to the (...) (26 years ago, 12-Feb-99, to lugnet.robotics)
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