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#!/bin/bash
# Copyright (C) 2014, 2017 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.
lna3_chat_file[0]=/etc/ppp/peers/lna3_chat_non_vz
lna3_chat_file[1]=/etc/ppp/peers/lna3_chat_vz
lna3_chat_link=/etc/ppp/peers/lna3_chat
function setchat {
fw=$1
silent=$2
if ((${#lna3_chat_file[$fw]} == 0)) ; then
>&2 echo "Invalid firmware SKU $fw"
return 1
else
canon_src=$(readlink -f "${lna3_chat_file[$fw]}")
canon_dest=$(readlink -f "${lna3_chat_link}")
if [[ ${canon_src} != ${canon_dest} ]] ; then
if ((silent == 0)) ; then
echo "Setting chat script to ${lna3_chat_file[$fw]}"
fi
ln -sf "${lna3_chat_file[$fw]}" "${lna3_chat_link}"
fi
fi
}
function usage {
>&2 echo "$(basename $0) [firmware image SKU]"
>&2 echo "The firmware image SKU is optional."
>&2 echo "If not specified, the image SKU will be determined"
>&2 echo "from the SIM, and automatically switched with the"
>&2 echo "APN. Current valid SKU's are 0 and 1"
>&2 echo "Only LE910-NA1 is supported on product-ids containing string -LNA3-"
exit 1
}
function not_ready {
>&2 echo "Radio is not ready"
>&2 echo "Try executing mlinux-switch-apn once the radio is ready"
exit 1
}
productid=$(/usr/sbin/mts-io-sysfs show product-id)
if ! [[ $productid =~ -LNA3- ]] ; then
echo "Firmware switch is supported only on LE910-NA1 models with product-id containing -LNA3-."
usage
exit 1
fi
if (($# > 0)) ; then
fw="$1"
if [[ fw =~ ^[0-9]+$ ]] ; then
if ((fw < 0)) || ((fw > 1)) ; then
usage
fi
else
if ((fw > 1)) || ((fw < 0)) ; then
>&2 echo "Invalid firmware SKU value"
usage
fi
fi
echo "Switching chat script to firmware SKU $fw"
setchat $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 "Assume no radio on this device."
usage
exit 1
fi
if [[ $MODEL != LE910-NA1 ]] ; then
>&2 echo "Firmware switch is supported only on LE910-NA1 models with product-id containing -LNA3-."
usage
fi
if fwreply=$(/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 $fw 0
else
fw=$(radio-query --active-firmware)
if (($? == 0)) ; then
setchat $fw 0
fi
fi
fi
fi
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