script/lsec
changeset 563 d113b63c55c4
child 576 158c5a3d0a2a
child 1744 7bc131b92039
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/script/lsec	Tue Feb 13 13:01:59 2007 +0000
@@ -0,0 +1,211 @@
+#!/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.
+#
+#------------------------------------------------------------------------------
+
+require 'sys/ioctl.ph';
+
+use strict;
+use Getopt::Std;
+
+my %opt;
+my $master_index;
+my $master_dir;
+my $term_width;
+
+#------------------------------------------------------------------------------
+
+$term_width = &get_terminal_width;
+&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;
+    my $ring_cols;
+    my $adv_cols;
+    my $fmt;
+    my $cols;
+
+    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 ($line = <INFO>) {
+			if ($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'} = $1;
+			}
+			elsif ($line =~ /^Coupler: ([a-z]+)$/) {
+				$slave->{'coupler'} = $1;
+			}
+			elsif ($line =~ /^Current consumption: (-?\d+) mA$/) {
+				$slave->{'current'} = $1;
+			}
+		}
+
+		close INFO;
+
+		push @slaves, $slave;
+    }
+    closedir $dirhandle;
+
+    @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves;
+
+    $ring_cols = 0;
+    $adv_cols = 0;
+    for $slave (@slaves) {
+	$cols = length $slave->{'ring_position'};
+	$ring_cols = $cols if ($cols > $ring_cols);
+	$cols = length $slave->{'advanced_position'};
+	$adv_cols = $cols if ($cols > $adv_cols);
+    }
+
+    if (defined $opt{'c'}) { # display power consumtion
+	$fmt = sprintf " %%%is  %%-%is  %%6i  %%6i  %%s\n",
+	    $ring_cols, $adv_cols;
+
+	my $current_sum = 0;
+	for $slave (@slaves) {
+	    if ($slave->{'coupler'} eq "yes") {
+		&print_line if !defined $opt{n};
+		$current_sum = 0; # reset current sum
+	    }
+	    $current_sum -= $slave->{'current'};
+	    printf($fmt, $slave->{'ring_position'},
+		   $slave->{'advanced_position'}, $slave->{'current'},
+		   $current_sum, $slave->{'name'});
+	}
+    }
+    else {
+	$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'});
+	}
+    }
+}
+
+#------------------------------------------------------------------------------
+
+sub get_options
+{
+    my $optret = getopts "m:cnh", \%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 <IDX>    Query master <IDX>.\n";
+    print "        -c          Display current [mA] ";
+    print "(3: consumption, 4: remaining).\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";
+}
+
+#------------------------------------------------------------------------------