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ethercat
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lsec: advanced number formatting; no-lines option.

This commit is contained in:
Florian Pose 2006-09-11 09:22:45 +00:00
parent 46b98fdbb1
commit 0025f96150
1 changed files with 47 additions and 37 deletions
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84
script/lsec.pl
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@ -42,6 +42,7 @@ require 'sys/ioctl.ph';
use strict;
use Getopt::Std;
my %opt;
my $master_index;
my $master_dir;
my $term_width;
@ -55,27 +56,6 @@ exit 0;
#------------------------------------------------------------------------------
sub get_terminal_width
{
my $winsize;
die "no TIOCGWINSZ " unless defined &TIOCGWINSZ;
open(TTY, "+</dev/tty") or die "No tty: $!";
unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) {
die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ;
}
(my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize);
return $col;
}
#------------------------------------------------------------------------------
sub print_line
{
for (my $i = 0; $i < $term_width; $i++) {print "-";}
print "\n";
}
#------------------------------------------------------------------------------
sub query_master
{
$master_dir = "/sys/ethercat" . $master_index;
@ -91,7 +71,11 @@ sub query_slaves
my @slaves;
my $slave;
my $abs;
my $line;
my $line;
my $ring_cols;
my $adv_cols;
my $fmt;
my $cols;
unless (opendir $dirhandle, $master_dir) {
print "Failed to open directory \"$master_dir\".\n";
@ -132,12 +116,19 @@ sub query_slaves
@slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves;
print "EtherCAT bus listing for master $master_index:\n";
$ring_cols = 0;
$adv_cols = 0;
for $slave (@slaves) {
print_line if $slave->{'coupler'} eq "yes";
$abs = sprintf "%i", $slave->{'ring_position'};
printf(" %3s %8s %-6s %s\n",
$abs, $slave->{'advanced_position'},
$cols = length $slave->{'ring_position'};
$ring_cols = $cols if ($cols > $ring_cols);
$cols = length $slave->{'advanced_position'};
$adv_cols = $cols if ($cols > $adv_cols);
}
$fmt = sprintf " %%%is %%-%is %%-6s %%s\n", $ring_cols, $adv_cols;
for $slave (@slaves) {
&print_line if $slave->{'coupler'} eq "yes" and !defined $opt{n};
printf($fmt, $slave->{'ring_position'}, $slave->{'advanced_position'},
$slave->{'state'}, $slave->{'name'});
}
}
@ -146,18 +137,15 @@ sub query_slaves
sub get_options
{
my %opt;
my $optret;
my $optret = getopts "m:nh", \%opt;
$optret = getopts "m:h", \%opt;
&print_usage if defined $opt{h} or $#ARGV > -1 or !$optret;
&print_usage if defined $opt{'h'} or $#ARGV > -1 or !$optret;
if (defined $opt{'m'}) {
$master_index = $opt{'m'};
if (defined $opt{m}) {
$master_index = $opt{m};
}
else {
$master_index = 0;
$master_index = 0;
}
}
@ -165,12 +153,34 @@ sub get_options
sub print_usage
{
my $cmd = `basename $0`;
chomp $cmd;
my $cmd = `basename $0`;
chomp $cmd;
print "Usage: $cmd [OPTIONS]\n";
print " -m <IDX> Query master <IDX>.\n";
print " -n Display no coupler lines.\n";
print " -h Show this help.\n";
exit 0;
}
#------------------------------------------------------------------------------
sub get_terminal_width
{
my $winsize;
die "no TIOCGWINSZ " unless defined &TIOCGWINSZ;
open(TTY, "+</dev/tty") or die "No tty: $!";
unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) {
die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ;
}
(my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize);
return $col;
}
#------------------------------------------------------------------------------
sub print_line
{
for (my $i = 0; $i < $term_width; $i++) {print "-";}
print "\n";
}
#------------------------------------------------------------------------------