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https://gitlab.com/etherlab.org/ethercat.git
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Changed structure of scripts subdirectory.
This commit is contained in:
Florian Pose
Executable
+211
@@ -0,0 +1,211 @@
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#!/usr/bin/perl
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#------------------------------------------------------------------------------
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#
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# l s e c - List EtherCAT
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#
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# Userspace tool for listing EtherCAT slaves.
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#
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# $Id$
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#
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# Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
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#
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# This file is part of the IgH EtherCAT Master.
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#
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# The IgH EtherCAT Master is free software; you can redistribute it
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# and/or modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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#
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# The IgH EtherCAT Master is distributed in the hope that it will be
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# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with the IgH EtherCAT Master; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# The right to use EtherCAT Technology is granted and comes free of
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# charge under condition of compatibility of product made by
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# Licensee. People intending to distribute/sell products based on the
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# code, have to sign an agreement to guarantee that products using
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# software based on IgH EtherCAT master stay compatible with the actual
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# EtherCAT specification (which are released themselves as an open
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# standard) as the (only) precondition to have the right to use EtherCAT
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# Technology, IP and trade marks.
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#
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#------------------------------------------------------------------------------
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require 'sys/ioctl.ph';
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use strict;
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use Getopt::Std;
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my %opt;
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my $master_index;
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my $master_dir;
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my $term_width;
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#------------------------------------------------------------------------------
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$term_width = &get_terminal_width;
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&get_options;
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&query_master;
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exit 0;
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#------------------------------------------------------------------------------
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sub query_master
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{
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$master_dir = "/sys/ethercat" . $master_index;
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&query_slaves;
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}
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#------------------------------------------------------------------------------
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sub query_slaves
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{
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my $dirhandle;
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my $entry;
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my @slaves;
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my $slave;
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my $abs;
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my $line;
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my $ring_cols;
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my $adv_cols;
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my $fmt;
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my $cols;
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unless (opendir $dirhandle, $master_dir) {
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print "Failed to open directory \"$master_dir\".\n";
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exit 1;
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}
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while ($entry = readdir $dirhandle) {
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next unless $entry =~ /^slave(\d+)$/;
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$slave = {};
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open INFO, "$master_dir/$entry/info" or die
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"ERROR: Failed to open $master_dir/$entry/info";
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while ($line = <INFO>) {
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if ($line =~ /^Name: (.*)$/) {
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$slave->{'name'} = $1;
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}
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elsif ($line =~ /^Ring position: (\d+)$/) {
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$slave->{'ring_position'} = $1;
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}
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elsif ($line =~ /^Advanced position: (\d+:\d+)$/) {
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$slave->{'advanced_position'} = $1;
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}
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elsif ($line =~ /^State: (.+) /) {
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$slave->{'state'} = $1;
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}
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elsif ($line =~ /^Coupler: ([a-z]+)$/) {
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$slave->{'coupler'} = $1;
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}
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elsif ($line =~ /^Current consumption: (-?\d+) mA$/) {
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$slave->{'current'} = $1;
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}
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}
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close INFO;
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push @slaves, $slave;
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}
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closedir $dirhandle;
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@slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves;
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$ring_cols = 0;
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$adv_cols = 0;
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for $slave (@slaves) {
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$cols = length $slave->{'ring_position'};
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$ring_cols = $cols if ($cols > $ring_cols);
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$cols = length $slave->{'advanced_position'};
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$adv_cols = $cols if ($cols > $adv_cols);
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}
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if (defined $opt{'c'}) { # display power consumtion
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$fmt = sprintf " %%%is %%-%is %%6i %%6i %%s\n",
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$ring_cols, $adv_cols;
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my $current_sum = 0;
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for $slave (@slaves) {
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if ($slave->{'coupler'} eq "yes") {
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&print_line if !defined $opt{n};
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$current_sum = 0; # reset current sum
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}
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$current_sum -= $slave->{'current'};
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printf($fmt, $slave->{'ring_position'},
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$slave->{'advanced_position'}, $slave->{'current'},
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$current_sum, $slave->{'name'});
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}
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}
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else {
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$fmt = sprintf " %%%is %%-%is %%-6s %%s\n", $ring_cols, $adv_cols;
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for $slave (@slaves) {
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&print_line if $slave->{'coupler'} eq "yes" and !defined $opt{n};
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printf($fmt, $slave->{'ring_position'},
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$slave->{'advanced_position'}, $slave->{'state'},
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$slave->{'name'});
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}
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}
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}
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#------------------------------------------------------------------------------
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sub get_options
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{
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my $optret = getopts "m:cnh", \%opt;
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&print_usage if defined $opt{h} or $#ARGV > -1 or !$optret;
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if (defined $opt{m}) {
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$master_index = $opt{m};
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}
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else {
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$master_index = 0;
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}
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}
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#------------------------------------------------------------------------------
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sub print_usage
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{
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my $cmd = `basename $0`;
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chomp $cmd;
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print "Usage: $cmd [OPTIONS]\n";
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print " -m <IDX> Query master <IDX>.\n";
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print " -c Display current [mA] ";
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print "(3: consumption, 4: remaining).\n";
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print " -n Display no coupler lines.\n";
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print " -h Show this help.\n";
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exit 0;
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}
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#------------------------------------------------------------------------------
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sub get_terminal_width
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{
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my $winsize;
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die "no TIOCGWINSZ " unless defined &TIOCGWINSZ;
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open(TTY, "+</dev/tty") or die "No tty: $!";
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unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) {
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die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ;
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}
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(my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize);
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return $col;
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}
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#------------------------------------------------------------------------------
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sub print_line
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{
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for (my $i = 0; $i < $term_width; $i++) {print "-";}
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print "\n";
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}
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#------------------------------------------------------------------------------
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