diff -r f149465f4c63 -r e675450f2174 script/lsec.pl --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/script/lsec.pl Thu Aug 03 12:59:01 2006 +0000 @@ -0,0 +1,147 @@ +#!/usr/bin/perl + +#------------------------------------------------------------------------------ +# +# l s e c - List EtherCAT +# +# Userspace tool for listing EtherCAT slaves. +# +# $Id$ +# +# Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH +# +# This file is part of the IgH EtherCAT Master. +# +# The IgH EtherCAT Master is free software; you can redistribute it +# and/or modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# The IgH EtherCAT Master is distributed in the hope that it will be +# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with the IgH EtherCAT Master; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +# The right to use EtherCAT Technology is granted and comes free of +# charge under condition of compatibility of product made by +# Licensee. People intending to distribute/sell products based on the +# code, have to sign an agreement to guarantee that products using +# software based on IgH EtherCAT master stay compatible with the actual +# EtherCAT specification (which are released themselves as an open +# standard) as the (only) precondition to have the right to use EtherCAT +# Technology, IP and trade marks. +# +#------------------------------------------------------------------------------ + +use strict; +use Getopt::Std; + +my $master_index; +my $master_dir; + +#------------------------------------------------------------------------------ + +&get_options; +&query_master; +exit 0; + +#------------------------------------------------------------------------------ + +sub query_master +{ + $master_dir = "/sys/ethercat" . $master_index; + &query_slaves; +} + +#------------------------------------------------------------------------------ + +sub query_slaves +{ + my $dirhandle; + my $entry; + my @slaves; + my $slave; + my $abs; + my $line; + + unless (opendir $dirhandle, $master_dir) { + print "Failed to open directory \"$master_dir\".\n"; + exit 1; + } + + while ($entry = readdir $dirhandle) { + next unless $entry =~ /^slave(\d+)$/; + + $slave = {}; + + open INFO, "$master_dir/$entry/info" or die + "ERROR: Failed to open $master_dir/$entry/info"; + + while ($line = ) { + if ($line =~ /^Name: (.*)$/) { + $slave->{'name'} = $1; + } + elsif ($line =~ /^Ring position: (\d+)$/) { + $slave->{'ring_position'} = $1; + } + elsif ($line =~ /^Advanced position: (\d+:\d+)$/) { + $slave->{'advanced_position'} = $1; + } + elsif ($line =~ /^State: (.+)$/) { + $slave->{'state'} = $1; + } + } + + close INFO; + + push @slaves, $slave; + } + closedir $dirhandle; + + @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; + + print "EtherCAT bus listing for master $master_index:\n"; + for $slave (@slaves) { + $abs = sprintf "%i", $slave->{'ring_position'}; + printf(" %3s %8s %-6s %s\n", + $abs, $slave->{'advanced_position'}, + $slave->{'state'}, $slave->{'name'}); + } +} + +#------------------------------------------------------------------------------ + +sub get_options +{ + my %opt; + my $optret; + + $optret = getopts "m:h", \%opt; + + &print_usage if defined $opt{'h'} or $#ARGV > -1 or !$optret; + + if (defined $opt{'m'}) { + $master_index = $opt{'m'}; + } + else { + $master_index = 0; + } +} + +#------------------------------------------------------------------------------ + +sub print_usage +{ + my $cmd = `basename $0`; + chomp $cmd; + print "Usage: $cmd [OPTIONS]\n"; + print " -m Query master .\n"; + print " -h Show this help.\n"; + exit 0; +} + +#------------------------------------------------------------------------------