94 lines
2.5 KiB
94 lines
2.5 KiB
#!/usr/bin/env perl
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# find-device-port-linux-udev - Kaleidoscope helper tool
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# Copyright (C) 2017-2018 Keyboard.io, Inc.
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 3.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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use warnings;
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use strict;
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use FindBin qw{$Bin};
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die "Usage: $0 VID PID [-v]\n" unless @ARGV >= 2;
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my $vid = shift @ARGV;
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my $pid = shift @ARGV;
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my $verbose = shift @ARGV if (@ARGV);
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my $prefix = '/dev/serial/by-id/';
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my @paths = `ls $prefix`;
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my %devices;
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my @log;
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sub debug {
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if ($verbose) {
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print STDERR @_;
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} else {
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push @log, @_;
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}
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}
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sub print_warning {
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print STDERR @_;
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}
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debug "Looking for USB device with vid=$vid and pid=$pid\n";
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for my $path (@paths) {
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chomp($path);
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debug "Examining $path\n";
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debug " not symlink\n" unless -l $prefix . $path;
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next unless -l $prefix . $path;
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my @data = `udevadm info -q property --name=${prefix}${path}`;
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for my $line (@data) {
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chomp($line);
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my ( $key, $val ) = split( /=/, $line, 2 );
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$devices{$path}{$key} = $val;
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}
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if ( hex $devices{$path}{'ID_VENDOR_ID'} != hex $vid ) {
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debug " ID_VENDOR_ID $devices{$path}{'ID_VENDOR_ID'} != $vid\n";
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next;
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}
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if ( hex $devices{$path}{'ID_MODEL_ID'} != hex $pid ) {
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debug " ID_MODEL_ID $devices{$path}{'ID_MODEL_ID'} != $pid\n";
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next;
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}
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debug " Found keyboard!\n";
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if ( $devices{$path}{'ID_MM_DEVICE_IGNORE'} ) {
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debug " ID_MM_DEVICE_IGNORE is set - good!\n";
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}
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if ( $devices{$path}{'ID_MM_CANDIDATE'}) {
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my $rules = "$Bin/../etc/99-kaleidoscope.rules";
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print_warning <<EOWARN
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WARNING: your udev rules are currently configured to suggest
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that your keyboard is suitable for use by ModemManager. This
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means that there is a risk of ModemManager interfering. To avoid
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this, copy
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$rules
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to /etc/udev/rules.d
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EOWARN
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}
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print $devices{$path}{DEVNAME};
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exit(0);
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}
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print_warning(join("\n",@log));
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print_warning("ERROR: I couldn't find a USB device matching the keyboard's USB Vendor and Device IDs\n");
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