[people/stevee/network.git] / src / functions / functions.serial

#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2012  IPFire Network Development Team                         #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

# This is a list of baudrates that are supported.
SERIAL_BAUDRATES="921600 460800 230400 115200 57600 38400 19200 9600"

serial_list() {
	local device
	for device in /dev/ttyUSB*; do
		if serial_exists "${device}"; then
			echo "${device}"
		fi
	done
}

serial_exists() {
	local device=${1}

	[ -c "${device}" ]
}

serial_is_locked() {
	local device=${1}
	assert isset device

	device=$(basename ${device})

	local dir
	for dir in /var/lock /var/lock/ppp; do
		[ -e "${dir}/LCK..${device}" ] \
			&& return ${EXIT_TRUE}
	done

	return ${EXIT_FALSE}
}

serial_is_unlocked() {
	serial_is_locked ${device} \
		&& return ${EXIT_FALSE} || return ${EXIT_TRUE}
}

serial_is_modem() {
	local device=${1}
	assert isset device

	modem_chat --timeout=2 "${device}" "AT" &>/dev/null
	local ret=$?

	case "${ret}" in
		${EXIT_OK})
			return ${EXIT_TRUE}
			;;
		${EXIT_ERROR})
			return ${EXIT_FALSE}
			;;
		*)
			return ${EXIT_UNKNOWN}
			;;
	esac
}

serial_get_bus_type() {
	local device="${1}"
	assert isset device

	case "${device}" in
		/dev/ttyUSB*)
			print "usb"
			return ${EXIT_OK}
			;;
	esac

	print "unknown"
	return ${EXIT_ERROR}
}
Commit	Line	Data
6c74a64c MT	1	#!/bin/bash
	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2012 IPFire Network Development Team #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
	21
	22	# This is a list of baudrates that are supported.
	23	SERIAL_BAUDRATES="921600 460800 230400 115200 57600 38400 19200 9600"
	24
1c6a4e30	25	serial_list() {
f90dd58c MT	26	local device
	27	for device in /dev/ttyUSB*; do
	28	if serial_exists "${device}"; then
	29	echo "${device}"
	30	fi
	31	done
	32	}
	33
1c6a4e30	34	serial_exists() {
6c74a64c MT	35	local device=${1}
	36
	37	[ -c "${device}" ]
	38	}
	39
1c6a4e30	40	serial_is_locked() {
6c74a64c MT	41	local device=${1}
	42	assert isset device
	43
	44	device=$(basename ${device})
	45
	46	local dir
	47	for dir in /var/lock /var/lock/ppp; do
	48	[ -e "${dir}/LCK..${device}" ] \
	49	&& return ${EXIT_TRUE}
	50	done
	51
	52	return ${EXIT_FALSE}
	53	}
	54
1c6a4e30	55	serial_is_unlocked() {
6c74a64c MT	56	serial_is_locked ${device} \
	57	&& return ${EXIT_FALSE} \|\| return ${EXIT_TRUE}
	58	}
	59
1c6a4e30	60	serial_is_modem() {
6c74a64c MT	61	local device=${1}
	62	assert isset device
	63
	64	modem_chat --timeout=2 "${device}" "AT" &>/dev/null
	65	local ret=$?
	66
	67	case "${ret}" in
	68	${EXIT_OK})
	69	return ${EXIT_TRUE}
	70	;;
	71	${EXIT_ERROR})
	72	return ${EXIT_FALSE}
	73	;;
	74	*)
	75	return ${EXIT_UNKNOWN}
	76	;;
	77	esac
	78	}
95416c1e	79
1c6a4e30	80	serial_get_bus_type() {
95416c1e MT	81	local device="${1}"
	82	assert isset device
	83
	84	case "${device}" in
	85	/dev/ttyUSB*)
	86	print "usb"
	87	return ${EXIT_OK}
	88	;;
	89	esac
	90
	91	print "unknown"
	92	return ${EXIT_ERROR}
	93	}