====== Data Logging ======

===== Software =====
Perl program is on it's way, writing it now.

[[http://www.live-graph.org/|LiveGraph]] - Excellent graphing software written in Java, I use it as a frontend.

==== Perl Script ====
 
=== Install ===

<file bash>sudo cpan -i Device::SerialPort
sudo cpan -i DBI
sudo cpan -i LWP::Simple
sudo cpan -i Time::HiRes

</file>
=== Files ===
<file perl logger.inc.pl>$SERIALPORT="/dev/ttyUSB0";
$SERIALBAUD=19200;

# Delay between updates
$DELAY=0.3;

$DataFile='/tmp/monitordata.lgdat';
</file>

<file perl bytetest.pl>#!/usr/bin/perl
$num=pack( 'L>',120000);
#$buf="Pear";
$buf="\x00\x00\x00\x01$num\xff\xff\xff\xff\x00\x00\xff\xffPear";
print "Test data:\t$buf\n";
#$buf=[hex('00'),hex('00'),hex('00').hex('01')];
#$buf="ABCDEF";
#my @data = unpack('L>*', $buf);

@values=unpack "L>*", $buf;		# < or > specifies endianness
#print $values;
 foreach my $val (@values) {
    print "$val\n";
  }
</file>