2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2013 IPFire Network Development Team #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
20 ###############################################################################
22 function usb_device_find_by_tty
() {
27 tty
="$(basename "${tty}")"
29 local path
="/sys/bus/usb-serial/devices/${tty}"
32 path
="$(readlink -m "${path}")"
34 print
"$(dirname "${path}")"
38 function usb_device_list_interfaces
() {
40 assert
[ -d "${path}" ]
43 for interface
in ${path}/ep_
*; do
44 [ -d "${interface}" ] ||
continue
51 function usb_device_get_interface_type
() {
52 local interface
="${1}"
53 assert isset interface
55 fread
"${interface}/type"
58 function usb_device_has_interface_type_interrupt
() {
63 while read -r interface
; do
64 type="$(usb_device_get_interface_type "${interface}")"
66 [ "${type}" = "Interrupt" ] && return ${EXIT_TRUE}
67 done <<< "$(usb_device_list_interfaces "${device}")"