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