fb11e647
 vrobic
reseau statique a...
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#!/usr/bin/env bash
#
# Copyright (C) 2015 Eistec AB
#
# 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.
#
# Find all USB to serial devices
# default error status code
status=1
# 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
for tty in $(find ${ttydirs} -maxdepth 1 -mindepth 1 -printf '%f\n' 2>/dev/null); do
parent=$(echo ${basedev} | sed -e 's%\(/sys/bus/usb/devices/[^/]*\)/.*%\1%')
serial=$(cat "${parent}/serial" 2>/dev/null)
# split results into array
if [ $# -lt 1 ]; then
# No arguments given, return all ttys
echo "/dev/${tty}"
status=0
continue
fi
# else: Match any of the given serials
for s in "${@}"; do
echo "${serial}" | egrep -e "${s}" -q
if [ $? -eq 0 ]; then
# return tty
echo "/dev/${tty}"
status=0
fi
done
done
done
exit $status;
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