296 lines
8.2 KiB
Perl
Executable file
296 lines
8.2 KiB
Perl
Executable file
#!/usr/bin/perl -w
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use strict;
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# $Id: motelist-z1,v 1.1 2010/08/24 15:48:20 joxe Exp $
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# @author Cory Sharp <cory@moteiv.com>
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# @author Joe Polastre
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my $help = <<'EOF';
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usage: motelist [options]
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$Revision: 1.1 $
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options:
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-h display this help
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-c compact format, not pretty but easier for parsing
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-f specify the usb-serial file (for smote.cs)
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-k kernel version: 2.4, 2.6, auto (default)
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-m method to scan usb: procfs, sysfs, auto (default)
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-dev_prefix force the device prefix for the serial device
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-usb display extra usb information
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-b specify which Zolertia board to list (z1, remote, etc)
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EOF
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my %Opt = (
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compact => 0,
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usb => 0,
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board => "",
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method => "auto",
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kernel => "auto",
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dev_prefix => [ "/dev/usb/tts/", "/dev/ttyUSB", "/dev/tts/USB" ],
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usbserial => "sudo cat /proc/tty/driver/usbserial |",
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);
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while (@ARGV) {
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last unless $ARGV[0] =~ /^-/;
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my $opt = shift @ARGV;
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if( $opt eq "-h" ) { print "$help\n"; exit 0; }
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elsif( $opt eq "-c" ) { $Opt{compact} = 1; }
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elsif( $opt eq "-f" ) { $Opt{usbserial} = shift @ARGV; }
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elsif( $opt eq "-k" ) { $Opt{kernel} = shift @ARGV; }
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elsif( $opt eq "-m" ) { $Opt{method} = shift @ARGV; }
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elsif( $opt eq "-dev_prefix" ) { $Opt{dev_prefix} = shift @ARGV; }
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elsif( $opt eq "-usb" ) { $Opt{usb} = 1; }
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elsif( $opt eq "-b" ) { $Opt{board} = shift @ARGV; }
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else { print STDERR "$help\nerror, unknown command line option $opt\n"; exit 1; }
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}
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if( $Opt{kernel} eq "auto" ) {
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$Opt{kernel} = "unknown";
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$Opt{kernel} = $1 if snarf("/proc/version") =~ /\bLinux version (\d+\.\d+)/;
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}
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if( $Opt{method} eq "auto" ) {
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$Opt{method} = ($Opt{kernel} eq "2.4") ? "procfs" : "sysfs";
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}
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if( $Opt{board} eq "z1" ) {
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$Opt{board} = "Zolertia Z1";
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} elsif( $Opt{board} eq "remote" ) {
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$Opt{board} = "Zolertia RE-Mote platform";
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} elsif( $Opt{board} eq "firefly" ) {
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$Opt{board} = "Zolertia Firefly platform";
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} elsif( $Opt{board} eq "orion" ) {
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$Opt{board} = "Zolertia Orion Ethernet router";
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}
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my @devs = $Opt{method} eq "procfs" ? scan_procfs() : scan_sysfs();
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print_motelist( sort { cmp_usbdev($a,$b) } @devs );
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#
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# SysFS
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#
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sub scan_sysfs {
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my $tmp = '($_->{UsbVendor}||"") eq "10c4" && ($_->{UsbProduct}||"") eq "ea60"';
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if($Opt{board}) {
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$tmp = '($_->{ProductString}||"") eq $Opt{board} && ' . $tmp
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}
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# Scan /sys/bus/usb/drivers/usb for CP210x devices
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my @cpdevs =
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grep { eval "$tmp" }
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map { {
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SysPath => $_,
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UsbVendor => snarf("$_/idVendor",1),
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UsbProduct => snarf("$_/idProduct",1),
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ProductString => snarf("$_/product",1),
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} }
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glob("/sys/bus/usb/drivers/usb/*");
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# Gather information about each CP210x device
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for my $f (@cpdevs) {
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my $syspath = $f->{SysPath};
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$f->{InfoSerial} = snarf("$syspath/serial",1);
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$f->{InfoManufacturer} = snarf("$syspath/manufacturer",1);
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$f->{InfoProduct} = snarf("$syspath/product",1);
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$f->{UsbDevNum} = snarf("$syspath/devnum",1);
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my $devstr = readlink($syspath);
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if( $devstr =~ m{([^/]+)/usb(\d+)/.*-([^/]+)$} ) {
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$f->{UsbPath} = "usb-$1-$3";
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$f->{UsbBusNum} = $2;
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}
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($f->{SysDev} = $syspath) =~ s{^.*/}{};
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my $port = "$syspath/$f->{SysDev}:1.0";
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($f->{DriverName} = readlink("$port/driver")) =~ s{^.*/}{} if -l "$port/driver";
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($f->{SerialDevName} = (glob("$port/tty*"),undef)[0]) =~ s{^.*/}{};
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$f->{SerialDevNum} = $1 if $f->{SerialDevName} =~ /(\d+)/;
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$f->{SerialDevName} = getSerialDevName( $f->{SerialDevNum} ) || " (none)";
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}
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return @cpdevs;
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}
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#
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# Scan Procfs
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#
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sub scan_procfs {
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my $text_devs = snarf("< /proc/bus/usb/devices");
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my $text_serial = snarf($Opt{usbserial});
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my @usbdevs = map { {parse_usb_devices_text($_)} }
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grep { !/^\s*$/ } split /\n+(?=T:)/, $text_devs;
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my %usbtree = build_usb_tree( @usbdevs );
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my %usbserialtree = build_usbserial_tree( $text_serial );
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for my $tts ( values %usbserialtree ) {
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$usbtree{usbkey($tts->{path})}{usbserial} = $tts if defined $tts->{path};
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}
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my @cpdevs = map { {
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UsbVendor => $_->{Vendor},
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UsbProduct => $_->{ProdID},
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InfoManufacturer => $_->{Manufacturer},
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InfoProduct => $_->{Product},
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InfoSerial => $_->{SerialNumber},
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UsbBusNum => $_->{nbus},
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UsbDevNum => $_->{ndev},
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UsbPath => (($Opt{kernel} eq "2.4") ? $_->{usbserial}{path} : $_->{usbpath}),
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DriverName => $_->{driver},
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SerialDevNum => $_->{usbserial}{tts},
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SerialDevName => getSerialDevName($_->{usbserial}{tts}) || " (none)",
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} }
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grep { ($_->{Vendor}||"") eq "0403" && ($_->{ProdID}||"") eq "6001" }
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values %usbtree;
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return @cpdevs;
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}
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sub build_usb_tree {
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my @devs = @_;
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my %tree = ();
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for my $dev (sort { $a->{Lev} <=> $b->{Lev} } @devs) {
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my ($bus,$lev,$prnt) = ( $dev->{Bus}+0, $dev->{Lev}+0, $dev->{Prnt}+0 );
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my $devnum = $dev->{"Dev#"}+0;
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$dev->{nbus} = $bus;
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$dev->{ndev} = $devnum;
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$tree{"bus$bus"} = {} unless exists $tree{"bus$bus"};
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$tree{"bus$bus"}{"dev$devnum"} = $dev;
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if( $lev == 0 ) {
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$dev->{usbpath} = "usb-$dev->{SerialNumber}";
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} else {
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my $sep = ($lev==1) ? "-" : ".";
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$dev->{parent} = $tree{"bus$bus"}{"dev$prnt"};
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$dev->{usbpath} = $dev->{parent}{usbpath} . $sep . ($dev->{Port}+1);
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}
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$tree{usbkey($dev->{usbpath})} = $dev;
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}
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return %tree;
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}
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sub parse_usb_devices_text {
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my $text = shift;
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$text =~ s/^\S+\s*//gm;
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return ($text =~ m/([^\s=]+)=\s*(.*?\S)\s*(?=[^\s=]+=|$)/mg);
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}
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sub build_usbserial_tree {
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my $text = shift;
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my %tree = ();
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while( $text =~ /^([^:]+):(.*)/mg ) {
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my ($tts,$params) = ($1,$2);
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$tree{$tts} = { tts => $tts };
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while ($params =~ m/\s+([^:]+):(?:"([^"]*)"|(\S+))/g) {
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$tree{$tts}{$1} = $2||$3;
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}
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}
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return %tree;
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}
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sub usbkey {
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if( $Opt{kernel} eq "2.4" ) {
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(my $key = $_[0]) =~ s/^.*-//;
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return $key;
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}
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return $_[0];
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}
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#
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# getSerialDevName
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#
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# For each device, force to use dev_prefix if it's not an array. Otherwise,
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# assume it's a list of candidate prefixes. Check them and commit to the
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# first one that actually exists.
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#
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sub getSerialDevName {
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my $devnum = shift;
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my $devname = undef;
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if( defined $devnum ) {
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if( ref($Opt{dev_prefix}) eq "ARRAY" ) {
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$devname = $devnum;
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for my $prefix (@{$Opt{dev_prefix}}) {
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my $file = $prefix . $devnum;
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if( -e $file ) { $devname = $file; last; }
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}
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} else {
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$devname = $Opt{dev_prefix} . $devnum;
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}
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}
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return $devname;
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}
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#
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# Print motelist
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#
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sub print_motelist {
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my @devs = @_;
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# If none were found, quit
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if( @devs == 0 ) {
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print "No devices found.\n";
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return;
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}
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# Print a header
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if( !$Opt{compact} ) {
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if( $Opt{usb} ) {
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print << "EOF" unless $Opt{compact};
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--- --- ------------------------ -------------- ---------------- -------------------------------------
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Bus Dev USB Path Reference Device Description
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--- --- ------------------------ -------------- ---------------- -------------------------------------
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EOF
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} else {
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print << "EOF" unless $Opt{compact};
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-------------- ---------------- ---------------------------------------------
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Reference Device Description
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-------------- ---------------- ---------------------------------------------
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EOF
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}
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}
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# Print the usb information
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for my $dev (sort { cmp_usbdev($a,$b) } @devs) {
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my $desc = join( " ", $dev->{InfoManufacturer}||"", $dev->{InfoProduct}||"" ) || " (none)";
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my @output = ( $dev->{InfoSerial}||" (none)", $dev->{SerialDevName}, $desc );
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@output = ( $dev->{UsbBusNum}, $dev->{UsbDevNum}, $dev->{UsbPath}, @output ) if $Opt{usb};
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if( $Opt{compact} ) {
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print join(",",@output) . "\n";
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} else {
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printf( ($Opt{usb}?"%3d %3d %-24s ":"")."%-14s %-16s %s\n", @output );
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}
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}
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}
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#
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# Cmp Usbdev's
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#
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sub cmp_usbdev {
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my ($a,$b) = @_;
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if( defined $a->{SerialDevNum} ) {
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if( defined $b->{SerialDevNum} ) {
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return $a->{SerialDevNum} <=> $b->{SerialDevNum};
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}
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return -1;
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}
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return 1 if defined $b->{SerialDevNum};
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return ($a->{InfoSerial}||"") cmp ($b->{InfoSerial}||"");
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}
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#
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# Read a file in
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#
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sub snarf {
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open my $fh, $_[0] or return undef;
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my $text = do{local $/;<$fh>};
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close $fh;
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$text =~ s/\s+$// if $_[1];
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return $text;
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}
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