40 require 'sys/ioctl.ph'; |
40 require 'sys/ioctl.ph'; |
41 |
41 |
42 use strict; |
42 use strict; |
43 use Getopt::Std; |
43 use Getopt::Std; |
44 |
44 |
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45 my %opt; |
45 my $master_index; |
46 my $master_index; |
46 my $master_dir; |
47 my $master_dir; |
47 my $term_width; |
48 my $term_width; |
48 |
49 |
49 #------------------------------------------------------------------------------ |
50 #------------------------------------------------------------------------------ |
50 |
51 |
51 $term_width = &get_terminal_width; |
52 $term_width = &get_terminal_width; |
52 &get_options; |
53 &get_options; |
53 &query_master; |
54 &query_master; |
54 exit 0; |
55 exit 0; |
55 |
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56 #------------------------------------------------------------------------------ |
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57 |
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58 sub get_terminal_width |
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59 { |
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60 my $winsize; |
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61 die "no TIOCGWINSZ " unless defined &TIOCGWINSZ; |
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62 open(TTY, "+</dev/tty") or die "No tty: $!"; |
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63 unless (ioctl(TTY, &TIOCGWINSZ, $winsize='')) { |
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64 die sprintf "$0: ioctl TIOCGWINSZ (%08x: $!)\n", &TIOCGWINSZ; |
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65 } |
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66 (my $row, my $col, my $xpixel, my $ypixel) = unpack('S4', $winsize); |
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67 return $col; |
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68 } |
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69 #------------------------------------------------------------------------------ |
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70 |
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71 sub print_line |
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72 { |
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73 for (my $i = 0; $i < $term_width; $i++) {print "-";} |
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74 print "\n"; |
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75 } |
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76 |
56 |
77 #------------------------------------------------------------------------------ |
57 #------------------------------------------------------------------------------ |
78 |
58 |
79 sub query_master |
59 sub query_master |
80 { |
60 { |
130 } |
114 } |
131 closedir $dirhandle; |
115 closedir $dirhandle; |
132 |
116 |
133 @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; |
117 @slaves = sort { $a->{'ring_position'} <=> $b->{'ring_position'} } @slaves; |
134 |
118 |
135 print "EtherCAT bus listing for master $master_index:\n"; |
119 $ring_cols = 0; |
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120 $adv_cols = 0; |
136 for $slave (@slaves) { |
121 for $slave (@slaves) { |
137 print_line if $slave->{'coupler'} eq "yes"; |
122 $cols = length $slave->{'ring_position'}; |
138 $abs = sprintf "%i", $slave->{'ring_position'}; |
123 $ring_cols = $cols if ($cols > $ring_cols); |
139 printf(" %3s %8s %-6s %s\n", |
124 $cols = length $slave->{'advanced_position'}; |
140 $abs, $slave->{'advanced_position'}, |
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'}, |
141 $slave->{'state'}, $slave->{'name'}); |
132 $slave->{'state'}, $slave->{'name'}); |
142 } |
133 } |
143 } |
134 } |
144 |
135 |
145 #------------------------------------------------------------------------------ |
136 #------------------------------------------------------------------------------ |
146 |
137 |
147 sub get_options |
138 sub get_options |
148 { |
139 { |
149 my %opt; |
140 my $optret = getopts "m:nh", \%opt; |
150 my $optret; |
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151 |
141 |
152 $optret = getopts "m:h", \%opt; |
142 &print_usage if defined $opt{h} or $#ARGV > -1 or !$optret; |
153 |
143 |
154 &print_usage if defined $opt{'h'} or $#ARGV > -1 or !$optret; |
144 if (defined $opt{m}) { |
155 |
145 $master_index = $opt{m}; |
156 if (defined $opt{'m'}) { |
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157 $master_index = $opt{'m'}; |
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158 } |
146 } |
159 else { |
147 else { |
160 $master_index = 0; |
148 $master_index = 0; |
161 } |
149 } |
162 } |
150 } |
163 |
151 |
164 #------------------------------------------------------------------------------ |
152 #------------------------------------------------------------------------------ |
165 |
153 |
166 sub print_usage |
154 sub print_usage |
167 { |
155 { |
168 my $cmd = `basename $0`; |
156 my $cmd = `basename $0`; |
169 chomp $cmd; |
157 chomp $cmd; |
170 print "Usage: $cmd [OPTIONS]\n"; |
158 print "Usage: $cmd [OPTIONS]\n"; |
171 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"; |
172 print " -h Show this help.\n"; |
161 print " -h Show this help.\n"; |
173 exit 0; |
162 exit 0; |
174 } |
163 } |
175 |
164 |
176 #------------------------------------------------------------------------------ |
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 #------------------------------------------------------------------------------ |