a752c7ab
 elopes
add first test an...
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#!/bin/sh
# Copyright (C) 2015 Eistec AB
# Copyright (C) 2015 Ludwig Knüpfer <ludwig.knuepfer@fu-berlin.de>
#
# This file is subject to the terms and conditions of the GNU Lesser General
# Public License v2.1. See the file LICENSE in the top level directory for more
# details.
if [ ! -d /sys/bus/usb/devices ]; then
echo "$(basename $0): /sys/bus/usb/devices not a directory (/sys is not mounted?)" >&2
exit 1
fi
# iterate over usb-tty devices:
for basedev in $(find /sys/bus/usb/devices/ -regex "/sys/bus/usb/devices/[0-9]+[^:/]*" -maxdepth 2 -follow 2>/dev/null); do
ttydirs=$(find ${basedev} -regex "${basedev}/[^/]*:.*" -mindepth 2 -maxdepth 3 -name tty -follow 2>/dev/null)
if [ -z "${ttydirs}" ]; then
continue
fi
# See if the device has any tty devices assigned to it.
ttys=$(find ${ttydirs} -maxdepth 1 -mindepth 1 -printf '%f, ' | sed -e 's/, $/\n/' 2>/dev/null)
if [ -z "${ttys}" ]; then
continue
fi
# Get all info
parent=$(echo ${basedev} | sed -e 's%\(/sys/bus/usb/devices/[^/]*\)/.*%\1%')
serial=$(cat "${parent}/serial" 2>/dev/null)
manuf=$(cat "${parent}/manufacturer" 2>/dev/null)
product=$(cat "${parent}/product" 2>/dev/null)
echo "${parent}: ${manuf} ${product} serial: '${serial}', tty(s): ${ttys}"
done
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