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#!/bin/bash
# Copyright (C) 2014, 2017, 2019 Multi-Tech Systems
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
MTMODEMS=(LNA3 L4N1)
MODEMS=(LE910-NA1 LE910C4-NF)
# See if string is in array of strings
# parm 1 String
# parm 2 Arrays of strings
function findItem {
local s check="$1"
shift
for s ; do
[[ "$s" == "$check" ]] && return 0;
done
return 1
}
function usage {
>&2 echo "$(basename $0) [firmware image SKU]"
>&2 echo "The firmware image SKU is optional."
>&2 echo "If not specified, the image SKU will be determined"
>&2 echo "from the SIM, and automatically switched with the"
>&2 echo "APN. Current valid SKU's are 0, 1 and 2"
exit 1
}
function setchat {
m=$1
m=${m,,}
fw=$2
silent=$3
case $fw in
0)
ending="non_vz"
;;
1)
ending="vz"
;;
2)
# Currently L4N1 only
ending="non_vz"
;;
*)
>&2 echo 'Invalid firmware number $fw'
usage
exit 1
;;
esac
source="/etc/ppp/peers/${m}_chat_${ending}"
target="/etc/ppp/peers/${m}_chat"
canon_src=$(readlink -f "${source}")
canon_target=$(readlink -f "${target}")
if [[ ${canon_src} != ${canon_target} ]] ; then
if ((silent == 0)) ; then
echo "Setting chat script to ${source}"
fi
ln -sf "${source}" "${target}"
fi
}
function not_ready {
>&2 echo "Radio is not ready"
>&2 echo "Try executing mlinux-switch-apn once the radio is ready"
exit 1
}
productid=$(/usr/sbin/mts-io-sysfs show product-id)
if [[ $productid =~ [^-]*-([^-]*)- ]] ; then
mymtmodem="${BASH_REMATCH[1],,}"
else
>&2 echo "Cannot find the modem in the $productid string"
exit 1
fi
if ! findItem "${mymtmodem^^}" "${MTMODEMS[@]}" ; then
echo "Firmware switch is not supported on ${mymtmodem}."
usage
exit 1
fi
if (($# > 0)) ; then
fw="$1"
if [[ $fw =~ ^[0-9]+$ ]] ; then
echo fw is $fw
if ((fw < 0)) || ((fw > 2)) ; then
usage
fi
else
>&2 echo "Invalid firmware SKU value"
usage
fi
echo "Switching chat script to firmware SKU $fw"
setchat $mymtmodem $fw 0
exit $?
else
if ! /usr/sbin/mlinux-cell-radio-ready ; then
>&2 echo Radio is not ready
>&2 echo Try again later
exit 1
fi
MODEL=$(radio-query --model)
if (($? != 0)) ; then
>&2echo "No radio on this device."
usage
exit 1
fi
if ! findItem $MODEL "${MODEMS[@]}" ; then
>&2 echo "Firmware switch is supported only on ${MODEMS[@]} and this modem is $MODEL"
usage
fi
if fwreply=$(/usr/sbin/mlinux-switch-cell-fw -1); then
if [[ $fwreply =~ Cellular[[:space:]]+radio[[:space:]]+firmware[[:space:]]+has[[:space:]]+(already[[:space:]]+)been[[:space:]]+switched[[:space:]]+to[[:space:]]+([^[:space:]]*)[[:space:]]+image\. ]] ; then
fw=${BASH_REMATCH[2]}
setchat "${mymtmodem}" $fw 0
else
fw=$(radio-query --active-firmware)
if (($? == 0)) ; then
setchat "${mymtmodem}" $fw 0
fi
fi
fi
fi
|
