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Add serial logging tool.

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David Kopf 2011-08-28 16:12:41 -04:00
parent 5f2b2074f0
commit 4c4d9aa57c
1 changed files with 124 additions and 0 deletions
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tools/serial-log.pl Normal file
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#!/usr/bin/perl -w
#Log serial port to terminal and file with timestamps
#D.Kopf 8/28/2001
#
use Device::SerialPort;
use Term::ReadKey;
use Getopt::Long;
use Time::HiRes qw(usleep);
use strict;
my $term = '/dev/com1';
my $baud = '57600';
my $rts = 'none';
my $logfile = 'none';
my $ssss = '';
GetOptions ('terminal=s' => \$term,
'baud=s' => \$baud,
'rts=s' => \$rts,
'seconds!' => \$ssss,
'logfile:s' =>\$logfile
) or goto printhelp;
goto bypass;
printhelp:
print "Example serial-log.pl -t /dev/ttyS0 -b 57600 -r none -l logfile\n";
print " -t, --terminal\n";
print " -b, --baud\n";
print " -r,--rts [none|rts] flow control\n";
print " -s,--seconds Display ssss instead of hh:mm:ss\n";
print " -l,--logfile outputfile (.log will be added, -l defaults to serial.log)\n";
print "\n";
print "The default is equivalent to serial-log.pl -t /dev/com1 -b 57600 -r none\n";
exit;
bypass:
my $ob = Device::SerialPort->new ($term) or die "Can't start $term\n";
# next test will die at runtime unless $ob
$ob->baudrate($baud);
$ob->parity('none');
$ob->databits(8);
$ob->stopbits(1);
if($rts eq 'rts') {
$ob->handshake('rts');
} else {
$ob->handshake('none');
}
$ob->read_const_time(1000); # 1 second per unfulfilled "read" call
$ob->rts_active(1);
my $c; my $count;
my ($hh,$mm,$ss,$mday,$mon,$year,$wday,$yday,$isdst,$theTime,$seconds,$startseconds);
#use POSIX qw(strftime);
($ss,$mm,$hh,$mday,$mon,$year,$wday,$yday,$isdst) = localtime;
$theTime = sprintf "on %02d/%02d/%04d at %02d:%02d:%02d\n", $mon+1, $mday, $year+1900, $hh, $mm, $ss;
if($logfile ne 'none') {
if($logfile eq '') {$logfile = 'serial';}
$logfile ="${logfile}.log";
$c=1;
open LOGFILE, "$logfile" or do {$c=0;};
if ($c) {
print "File $logfile exists. Restart, append, or quit (r,a,q) (q) ? ";
#$| = 1; # force a flush after print
$_ = <STDIN>;chomp;
if ($_ eq 'r') {
open LOGFILE, ">$logfile" or die $!;
print "Restarting $logfile $theTime\n";
print LOGFILE "serial-log.pl logging to $logfile started $theTime\n";
} else {
if ($_ eq 'a') {
open LOGFILE, ">>$logfile" or die $!;
print "Appending to $logfile $theTime\n";
print LOGFILE "serial-log.pl appending to $logfile $theTime\n";
} else {
print "Quitting, file unchanged.\n";
exit;
}
}
} else {
open LOGFILE, ">$logfile" or die $!;
print LOGFILE "serial-log.pl logging to $logfile started $theTime\n";
print "Starting $logfile $theTime\n";
}
LOGFILE->autoflush(1);
} else {
$logfile='';
print "Serial logging of $term started $theTime\n";
}
if($ssss ne '') {
$startseconds=$hh*3600+$mm*60+$ss;
}
$theTime='';
while(1) {
($count, $c) = $ob->read(1);
if (defined($count) && ($count != 0)) {
if ($theTime eq '') {
($ss,$mm,$hh) = localtime(time);
if ($ssss ne '') {
$seconds = $hh*3600+$mm*60+$ss-$startseconds;
if ($seconds < 0) {$seconds+=24*60*60;}
$theTime = sprintf("%04d ",$seconds);
} else {
$theTime = sprintf("%02d:%02s:%02d ", $hh,$mm,$ss);
#$theTime = strftime "%H:%M:%S ", localtime;
}
print $theTime ;
if ($logfile) {LOGFILE->autoflush(1);print LOGFILE $theTime;}
}
print $c ;
if ($logfile) { print LOGFILE $c;}
if ($c eq "\n") {$theTime=''};
}
}
if ($logfile) {close LOGFILE or die $!}
$ob -> close or die "Serial port close failed: $!\n";
ReadMode 0;
undef $ob; # closes port AND frees memory in perl
exit;