35 # standard) as the (only) precondition to have the right to use EtherCAT |
35 # standard) as the (only) precondition to have the right to use EtherCAT |
36 # Technology, IP and trade marks. |
36 # Technology, IP and trade marks. |
37 # |
37 # |
38 #------------------------------------------------------------------------------ |
38 #------------------------------------------------------------------------------ |
39 |
39 |
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40 require 'sys/ioctl.ph'; |
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41 |
40 use strict; |
42 use strict; |
41 use Getopt::Std; |
43 use Getopt::Std; |
42 |
44 |
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45 my %opt; |
43 my $master_index; |
46 my $master_index; |
44 my $master_dir; |
47 my $master_dir; |
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48 my $term_width; |
45 |
49 |
46 #------------------------------------------------------------------------------ |
50 #------------------------------------------------------------------------------ |
47 |
51 |
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52 $term_width = &get_terminal_width; |
48 &get_options; |
53 &get_options; |
49 &query_master; |
54 &query_master; |
50 exit 0; |
55 exit 0; |
51 |
56 |
52 #------------------------------------------------------------------------------ |
57 #------------------------------------------------------------------------------ |
92 $slave->{'advanced_position'} = $1; |
101 $slave->{'advanced_position'} = $1; |
93 } |
102 } |
94 elsif ($line =~ /^State: (.+)$/) { |
103 elsif ($line =~ /^State: (.+)$/) { |
95 $slave->{'state'} = $1; |
104 $slave->{'state'} = $1; |
96 } |
105 } |
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106 elsif ($line =~ /^Coupler: ([a-z]+)$/) { |
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107 $slave->{'coupler'} = $1; |
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108 } |
97 } |
109 } |
98 |
110 |
99 close INFO; |
111 close INFO; |
100 |
112 |
101 push @slaves, $slave; |
113 push @slaves, $slave; |
102 } |
114 } |
103 closedir $dirhandle; |
115 closedir $dirhandle; |
104 |
116 |
105 @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; |
117 @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; |
106 |
118 |
107 print "EtherCAT bus listing for master $master_index:\n"; |
119 $ring_cols = 0; |
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120 $adv_cols = 0; |
108 for $slave (@slaves) { |
121 for $slave (@slaves) { |
109 $abs = sprintf "%i", $slave->{'ring_position'}; |
122 $cols = length $slave->{'ring_position'}; |
110 printf(" %3s %8s %-6s %s\n", |
123 $ring_cols = $cols if ($cols > $ring_cols); |
111 $abs, $slave->{'advanced_position'}, |
124 $cols = length $slave->{'advanced_position'}; |
112 $slave->{'state'}, $slave->{'name'}); |
125 $adv_cols = $cols if ($cols > $adv_cols); |
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126 } |
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127 $fmt = sprintf " %%%is %%-%is %%-6s %%s\n", $ring_cols, $adv_cols; |
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128 |
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129 for $slave (@slaves) { |
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130 &print_line if $slave->{'coupler'} eq "yes" and !defined $opt{n}; |
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131 printf($fmt, $slave->{'ring_position'}, $slave->{'advanced_position'}, |
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132 $slave->{'state'}, $slave->{'name'}); |
113 } |
133 } |
114 } |
134 } |
115 |
135 |
116 #------------------------------------------------------------------------------ |
136 #------------------------------------------------------------------------------ |
117 |
137 |
118 sub get_options |
138 sub get_options |
119 { |
139 { |
120 my %opt; |
140 my $optret = getopts "m:nh", \%opt; |
121 my $optret; |
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122 |
141 |
123 $optret = getopts "m:h", \%opt; |
142 &print_usage if defined $opt{h} or $#ARGV > -1 or !$optret; |
124 |
143 |
125 &print_usage if defined $opt{'h'} or $#ARGV > -1 or !$optret; |
144 if (defined $opt{m}) { |
126 |
145 $master_index = $opt{m}; |
127 if (defined $opt{'m'}) { |
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128 $master_index = $opt{'m'}; |
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129 } |
146 } |
130 else { |
147 else { |
131 $master_index = 0; |
148 $master_index = 0; |
132 } |
149 } |
133 } |
150 } |
134 |
151 |
135 #------------------------------------------------------------------------------ |
152 #------------------------------------------------------------------------------ |
136 |
153 |
137 sub print_usage |
154 sub print_usage |
138 { |
155 { |
139 my $cmd = `basename $0`; |
156 my $cmd = `basename $0`; |
140 chomp $cmd; |
157 chomp $cmd; |
141 print "Usage: $cmd [OPTIONS]\n"; |
158 print "Usage: $cmd [OPTIONS]\n"; |
142 print " -m <IDX> Query master <IDX>.\n"; |
159 print " -m <IDX> Query master <IDX>.\n"; |
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160 print " -n Display no coupler lines.\n"; |
143 print " -h Show this help.\n"; |
161 print " -h Show this help.\n"; |
144 exit 0; |
162 exit 0; |
145 } |
163 } |
146 |
164 |
147 #------------------------------------------------------------------------------ |
165 #------------------------------------------------------------------------------ |
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166 |
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167 sub get_terminal_width |
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168 { |
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169 my $winsize; |
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170 die "no TIOCGWINSZ " unless defined &TIOCGWINSZ; |
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171 open(TTY, "+</dev/tty") or die "No tty: $!"; |
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172 unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) { |
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173 die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ; |
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174 } |
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175 (my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize); |
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176 return $col; |
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177 } |
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178 #------------------------------------------------------------------------------ |
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179 |
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180 sub print_line |
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181 { |
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182 for (my $i = 0; $i < $term_width; $i++) {print "-";} |
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183 print "\n"; |
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184 } |
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185 |
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186 #------------------------------------------------------------------------------ |