42 use strict; |
42 use strict; |
43 use Getopt::Std; |
43 use Getopt::Std; |
44 |
44 |
45 my %opt; |
45 my %opt; |
46 my $master_index; |
46 my $master_index; |
47 my $master_dir; |
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48 my $term_width; |
47 my $term_width; |
49 |
48 |
50 #------------------------------------------------------------------------------ |
49 #------------------------------------------------------------------------------ |
51 |
50 |
52 $term_width = &get_terminal_width; |
51 $term_width = &get_terminal_width; |
53 &get_options; |
52 &get_options; |
54 &query_master; |
53 &query; |
55 exit 0; |
54 exit 0; |
56 |
55 |
57 #------------------------------------------------------------------------------ |
56 #------------------------------------------------------------------------------ |
58 |
57 |
59 sub query_master |
58 sub query |
60 { |
59 { |
61 $master_dir = "/sys/ethercat" . $master_index; |
60 my $master_dir; |
62 &query_slaves; |
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63 } |
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64 |
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65 #------------------------------------------------------------------------------ |
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66 |
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67 sub query_slaves |
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68 { |
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69 my $dirhandle; |
61 my $dirhandle; |
70 my $entry; |
62 my $entry; |
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63 my $slave_info_file; |
71 my @slaves; |
64 my @slaves; |
72 my $slave; |
65 my $slave; |
73 my $abs; |
66 my $abs; |
74 my $line; |
67 my $line; |
75 my $ring_cols; |
68 my $ring_col_width; |
76 my $adv_cols; |
69 my $alias_col_width; |
77 my $fmt; |
70 my $fmt; |
78 my $cols; |
71 my $width; |
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72 my $last_alias; |
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73 my $alias_index; |
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74 |
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75 $master_dir = "/sys/ethercat/master" . $master_index; |
79 |
76 |
80 unless (opendir $dirhandle, $master_dir) { |
77 unless (opendir $dirhandle, $master_dir) { |
81 print "Failed to open directory \"$master_dir\".\n"; |
78 print "Failed to open directory \"$master_dir\".\n"; |
82 exit 1; |
79 exit 1; |
83 } |
80 } |
84 |
81 |
85 while ($entry = readdir $dirhandle) { |
82 while ($entry = readdir $dirhandle) { |
86 next unless $entry =~ /^slave(\d+)$/; |
83 next unless $entry =~ /^slave(\d+)$/; |
87 |
84 |
88 $slave = {}; |
85 $slave = {}; |
89 |
86 $slave_info_file = "$master_dir/$entry/info"; |
90 open INFO, "$master_dir/$entry/info" or die |
87 open INFO, $slave_info_file or die |
91 "ERROR: Failed to open $master_dir/$entry/info"; |
88 "ERROR: Failed to open $slave_info_file."; |
92 |
89 |
93 while ($line = <INFO>) { |
90 while ($line = <INFO>) { |
94 if ($line =~ /^Name: (.*)$/) { |
91 if ($line =~ /^Name: (.*)$/) { |
95 $slave->{'name'} = $1; |
92 $slave->{'name'} = $1; |
96 } |
93 } |
97 elsif ($line =~ /^Ring position: (\d+)$/) { |
94 elsif ($line =~ /^Ring position: (\d+)$/) { |
98 $slave->{'ring_position'} = $1; |
95 $slave->{'ring_position'} = $1; |
99 } |
96 } |
100 elsif ($line =~ /^Advanced position: (\d+:\d+)$/) { |
97 elsif ($line =~ /Configured station alias: .* \((\d+)\)$/) { |
101 $slave->{'advanced_position'} = $1; |
98 $slave->{'alias'} = $1; |
102 } |
99 } |
103 elsif ($line =~ /^State: (.+) /) { |
100 elsif ($line =~ /^State: (.+) /) { |
104 $slave->{'state'} = $1; |
101 $slave->{'state'} = $1; |
105 } |
102 } |
106 elsif ($line =~ /^Coupler: ([a-z]+)$/) { |
103 elsif ($line =~ /^Current consumption: (-?\d+) mA$/) { |
107 $slave->{'coupler'} = $1; |
104 $slave->{'current'} = $1; |
108 } |
105 } |
109 elsif ($line =~ /^Current consumption: (-?\d+) mA$/) { |
106 } |
110 $slave->{'current'} = $1; |
107 |
111 } |
108 close INFO; |
112 } |
109 push @slaves, $slave; |
113 |
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114 close INFO; |
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115 |
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116 push @slaves, $slave; |
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117 } |
110 } |
118 closedir $dirhandle; |
111 closedir $dirhandle; |
119 |
112 |
120 @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; |
113 @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; |
121 |
114 |
122 $ring_cols = 0; |
115 # create field addresses and calculate column widths |
123 $adv_cols = 0; |
116 $ring_col_width = 0; |
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117 $alias_col_width = 0; |
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118 $last_alias = ""; |
124 for $slave (@slaves) { |
119 for $slave (@slaves) { |
125 $cols = length $slave->{'ring_position'}; |
120 if ($slave->{'alias'}) { |
126 $ring_cols = $cols if ($cols > $ring_cols); |
121 $last_alias = $slave->{'alias'}; |
127 $cols = length $slave->{'advanced_position'}; |
122 $alias_index = 0; |
128 $adv_cols = $cols if ($cols > $adv_cols); |
123 } |
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124 if ($last_alias) { |
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125 $slave->{'field_address'} = "#" . $last_alias . ":" . $alias_index; |
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126 $width = length $slave->{'field_address'}; |
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127 $alias_col_width = $width if ($width > $alias_col_width); |
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128 } |
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129 $width = length $slave->{'ring_position'}; |
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130 $ring_col_width = $width if ($width > $ring_col_width); |
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131 $alias_index++; |
129 } |
132 } |
130 |
133 |
131 if (defined $opt{'c'}) { # display power consumtion |
134 if (defined $opt{'c'}) { # display power consumtion |
132 $fmt = sprintf " %%%is %%-%is %%6i %%6i %%s\n", |
135 $fmt = sprintf " %%%is %%%is %%6i %%6i %%s\n", |
133 $ring_cols, $adv_cols; |
136 $ring_col_width, $alias_col_width; |
134 |
137 |
135 my $current_sum = 0; |
138 my $current_sum = 0; |
136 for $slave (@slaves) { |
139 for $slave (@slaves) { |
137 if ($slave->{'coupler'} eq "yes") { |
140 &print_line if $slave->{'alias'} and !defined $opt{n}; |
138 &print_line if !defined $opt{n}; |
141 $current_sum = 0 if $slave->{'current'} < 0; |
139 $current_sum = 0; # reset current sum |
142 $current_sum -= $slave->{'current'}; |
140 } |
143 printf($fmt, $slave->{'ring_position'}, $slave->{'field_address'}, |
141 $current_sum -= $slave->{'current'}; |
144 $slave->{'current'}, $current_sum, $slave->{'name'}); |
142 printf($fmt, $slave->{'ring_position'}, |
145 } |
143 $slave->{'advanced_position'}, $slave->{'current'}, |
146 } |
144 $current_sum, $slave->{'name'}); |
147 else { # normal display |
145 } |
148 $fmt = sprintf " %%%is %%%is %%-6s %%s\n", |
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149 $ring_col_width, $alias_col_width; |
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150 |
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151 for $slave (@slaves) { |
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152 &print_line if $slave->{'alias'} and !defined $opt{n}; |
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153 printf($fmt, $slave->{'ring_position'}, $slave->{'field_address'}, |
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154 $slave->{'state'}, $slave->{'name'}); |
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155 } |
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156 } |
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157 } |
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158 |
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159 #------------------------------------------------------------------------------ |
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160 |
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161 sub get_options |
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162 { |
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163 my $optret = getopts "m:cnh", \%opt; |
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164 |
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165 &print_usage if defined $opt{h} or $#ARGV > -1 or !$optret; |
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166 |
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167 if (defined $opt{m}) { |
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168 $master_index = $opt{m}; |
146 } |
169 } |
147 else { |
170 else { |
148 $fmt = sprintf " %%%is %%-%is %%-6s %%s\n", $ring_cols, $adv_cols; |
171 $master_index = 0; |
149 |
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150 for $slave (@slaves) { |
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151 &print_line if $slave->{'coupler'} eq "yes" and !defined $opt{n}; |
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152 printf($fmt, $slave->{'ring_position'}, |
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153 $slave->{'advanced_position'}, $slave->{'state'}, |
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154 $slave->{'name'}); |
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155 } |
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156 } |
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157 } |
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158 |
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159 #------------------------------------------------------------------------------ |
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160 |
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161 sub get_options |
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162 { |
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163 my $optret = getopts "m:cnh", \%opt; |
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164 |
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165 &print_usage if defined $opt{h} or $#ARGV > -1 or !$optret; |
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166 |
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167 if (defined $opt{m}) { |
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168 $master_index = $opt{m}; |
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169 } |
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170 else { |
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171 $master_index = 0; |
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172 } |
172 } |
173 } |
173 } |
174 |
174 |
175 #------------------------------------------------------------------------------ |
175 #------------------------------------------------------------------------------ |
176 |
176 |