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100 lines
2.6 KiB
100 lines
2.6 KiB
#!/usr/bin/env perl
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# Based on listArduinos.pl from https://github.com/todbot/usbSearch (License: MIT)
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# Original (C) 2012, Tod E. Kurt, http://todbot.com/blog/
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# This version by Michael Richters <gedankenexperimenter@gmail.com>
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use warnings;
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use strict;
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# ioreg might be more machine-readable than system_profiler, but I haven't been able to
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# get it to produce useful output
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my @output = qx(/usr/sbin/system_profiler SPUSBDataType);
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my $parse_state = 0;
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my $device = {};
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LINE: foreach my $line (@output) {
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chomp $line;
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if ( $parse_state == 0 ) {
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if ( $line =~ m/Model 01/ ) {
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$parse_state = 1;
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next LINE;
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}
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}
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if ( $parse_state == 1 ) {
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if ( $line =~ m/^\s*$/ ) {
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$parse_state = 2;
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next LINE;
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}
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}
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if ( $parse_state == 2 ) {
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if ( $line =~ m/Serial Number: (.+)$/ ) {
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$device->{'serial_number'} = $1;
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next LINE;
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}
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if ( $line =~ m/Location ID: (.+)$/ ) {
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$device->{'location_id'} = $1;
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next LINE;
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}
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if ( $line =~ m/Product ID: (.+)$/ ) {
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$device->{'product_id'} = $1;
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next LINE;
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}
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if ( $line =~ m/Vendor ID: (.+)$/ ) {
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$device->{'vendor_id'} = $1;
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next LINE;
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}
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if ( $line =~ m/^\s*$/ ) {
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last LINE;
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}
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}
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}
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die "Can't find Model 01" if ( $device == {} );
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my $serial_port_name = "";
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if ( exists( $device->{'serial_number'} ) ) {
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$serial_port_name = "/dev/cu.usbmodem" . $device->{'serial_number'};
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if ( -e $serial_port_name ) {
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print $serial_port_name;
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exit 0;
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}
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# High Sierra sometimes has a mismatch between the serial number and the device
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# filename. I'm not sure why, but system_profiler has a serial number ending in "E",
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# whereas the device filename ends in "1". Another possibility is that the device
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# filename simply always ends in a "1".
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$serial_port_name =~ s/E$/1/;
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if ( -e $serial_port_name ) {
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print $serial_port_name;
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exit 0;
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}
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}
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if ( exists( $device->{'location_id'} ) ) {
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my $loc = substr( $device->{'location_id'}, 2, 3 );
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$serial_port_name = "/dev/cu.usbmodem" . $loc . 1;
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if ( -e $serial_port_name ) {
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print $serial_port_name;
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exit 0;
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}
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}
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# If none of the above tests succeeds, just list the directory and see if there are any
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# files that have the device shortname that we expect:
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foreach my $line (qx(ls /dev/cu.usbmodem*)) {
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if ( $line =~ m/kbio01/ ) {
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chomp $line;
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print $line;
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exit 0;
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}
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}
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die "Can't find Model 01 serial port name";
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