You're right. I think we don't parse the command line switches in perl. I'll have to fix.
Thanks. Paul On Wednesday 11 May 2005 09:32 pm, Kim Toms wrote: > I am running an owserver process on SUSE linux 9.2 using a USB interface > (DS9490) > > I am talking to a DS1921G thermocron (bought the development kit from > Dallas). > > I was looking at the temperature using owhttpd (with -F). E.g, I'd look at > http://localhost:8002/21.CE8E14000000/temperature and the value would be > something like 77 degrees. > I was writing a perl script to collect the same data and so I have the > following in the script: > > #!/usr/bin/perl -I/opt/owfs/bin/ > > use OW; > > my $o = OW::init("localhost:8001"); > > my $x = OW::get("/21.CE8E14000000/temperature"); > > print $x; > > The value I got was around 25. Hm, I thought, perhaps a problem with no > fahrenheit switch, so I did the conversion with a calculator, and it was a > little off of what the owhttpd was reporting. So, I reloaded the page in > the browser (mozilla/firefox). I was surprised to see that the browser now > reports the temperature in centigrade as well. > > I am unsure if there is a way to pass arguments to OW::init to make it read > in fahrenheight. > > A second question is how can I enumerate the devices available from the > perl script, so that I can collect all of the termperatures there are? - > wait I figured that out. Here's a way to get all the devices which have a > 'temperature' entry in them: > #!/usr/bin/perl -I/opt/owfs/bin/ > > use OW; > my $o = OW::init("localhost:8001"); > my @directories = split(/,/, OW::get("/")); > $#directories -= 2; # remove 'alarm/' and 'simultaneous/' > @temps = map($_ . ":" . OW::get($_."temperature"), > @directories); # Get temperatures > @temps = grep(!/:$/, @temps); # Remove non-temperature devices > > print join("\n", @temps), "\n"; ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_id=7393&alloc_id=16281&op=click _______________________________________________ Owfs-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/owfs-developers
