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#!/bin/bash
# This script assumes Verizon SIMS ICCID start with 89148 and is firmware 1.
# This script assumes T-Mobile SIMS start with 8901260 and is firmware 2.
fwsw_modems=(LE910-NA1 LE910C4-NF)
mt_modems=(lna3 l4n1)
readme=/etc/ppp/peers/README.fwswitch
function setactivefirmware
{
radio-cmd ${RADIOOPTION} --set-active-firmware $1
# RESULT=$(radio-cmd ${RADIOOPTION} 'AT#FWSWITCH='$1',1' 2>&1)
# if (($? != 0)) ; then
# >&2 echo "FW Set failed"
# return 1
# fi
# if [[ $RESULT =~ [Ee][Rr][Rr][Oo][Rr] ]] ; then
# >&2 echo "FW Set failed"
# return 1
# fi
}
function getactivefirmware
{
/usr/bin/radio-query ${RADIOOPTION} --active-firmware
# FW=$(/usr/bin/radio-cmd ${RADIOOPTION} 'AT#FWSWITCH?' 2>/dev/null)
# if (($? != 0)) ; then
# >&2 echo "FW Query failed"
# return 1
# fi
# [[ $FW =~ \#FWSWITCH:[[:space:]]*([^,]*) ]]
# echo "${BASH_REMATCH[1]}"
}
# 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 "
Usage: $0 <image_id> [timeout]
image_id <0|1|2|-1> : for dual FW image SKU-s, the id of the image to switch to
-1 is based on SIM
timeout : wait time for radio to come up if set (default : 15 sec)
"
exit 1
}
if [ $# -gt 2 ] ; then
usage
fi
#
# Check if the radio present
#
MODEL=$(radio-query ${RADIOOPTION} --model 2>&1)
result=$?
if [[ $MCONTEXT =~ [Ee][Rr][Rr][Oo][Rr] ]] ; then
RADIOOPTION="${RADIOOPTION2}"
MODEL=$(radio-query ${RADIOOPTION} --model 2>&1)
result=$?
fi
if ((result != 0)) ; then
[ "$VERBOSE" ] && >&2 echo "Assume no radio on this device."
exit 0
fi
#
# Load args (don't wait for the radio by default)
#
FWIMAGE=$1
if ((FWIMAGE < -2)) || ((FWIMAGE > 2)) ; then
usage
fi
if ! >&2 /usr/sbin/mlinux-cell-radio-ready ; then
[ "$VERBOSE" ] && >&2 echo Radio is not ready
[ "$VERBOSE" ] && >&2 echo Try again later
exit 1
fi
if ((FWIMAGE == -1)) ; then
iccid=$(radio-query ${RADIOOPTION} --iccid)
if (($? == 0)); then
if ((${#iccid} == 0)) ; then
[ "$VERBOSE" ] && >&2 echo "No carrier. Maybe no SIM?"
[ "$VERBOSE" ] && >&2 echo "ERROR: Cannot decide on firmware"
exit 1
fi
if [[ $iccid =~ ^89148.* ]] ; then
# Verizon
logger -s -t mlinux-sw-firmware -p daemon.info "Assuming $iccid is a Verizon SIM ICCID using Firmware 1"
((FWIMAGE=1))
elif [[ $iccid =~ ^8901260.* ]] ; then
# T-Mobile
logger -s -t mlinux-sw-firmware -p daemon.info "Assuming $iccid is a T-Mobile SIM ICCID using Firmware 2"
((FWMAGE=2))
if [[ $MODEL == LE910-NA1 ]] ; then # Assume LNA3 has no firmware image 2
((FWIMAGE=0))
fi
else
# Everybody else
logger -s -t mlinux-sw-firmware -p daemon.info "Assuming $iccid is a possibly AT&T SIM using Firmware 0"
((FWIMAGE=0))
fi
else
>&2 echo "Cannot get ICCID from SIM"
>&2 echo "Try again later"
exit 1
fi
fi
TIMEOUT=${2:-15}
if [ "$VERBOSE" != "yes" ]; then
VERBOSE=""
fi
[ "$VERBOSE" ] && >&2 echo -n "Switching the radio firmware image: "
#
# Applicable for LTE910-NA1 and LE910C4-NF with dual FW images only
#
if ! findItem "$MODEL" "${fwsw_modems[@]}" ; then
echo "Firmware switch is not supported on ${MODEL}."
exit 1
fi
#
# Check if firmware switch is required
#
FWACTIVE=$(getactivefirmware)
if [ $? -ne 0 ] || [ "$FWACTIVE" == "" ]; then
[ "$VERBOSE" ] && >&2 echo "The $MODEL radio does not support firmware switching."
exit 0
fi
if (( FWACTIVE == FWIMAGE )); then
echo "Cellular radio firmware has already been switched to $FWIMAGE image."
exit 0
fi
# Disable the LNA3 chat script in case of failure.
for f in $mt_modems ; do
linkf=/etc/ppp/peers/${f}_chat
if ! [[ -L ${linkf} ]] || [[ $(basename $(readlink -f ${linkf})) != ${readme} ]] ; then
ln -sf "${readme}" "${linkf}"
echo "Chat script is now disabled."
fi
done
#
# Switch the firmware
#
RESULT=$(setactivefirmware "$FWIMAGE")
if [ $? -ne 0 ]; then
[ "$VERBOSE" ] && >&2 echo "$RESULT"
exit 1
fi
#
# Exit if no TIMEOUT set
#
# This is somewhat dangerous in that we assume the radio
# will switch.
if ((TIMEOUT == 0)) ; then
if ((FWIMAGE == 0)) ; then
[ "$VERBOSE" ] && >&2 echo "Use mlinux-switch-apn to switch the APN when the radio is ready, before dialing"
exit 0
fi
fi
#
#
# Wait for the radio to be ready before continuing
#
COUNTER=0
[ "$VERBOSE" ] && echo -n "Wait..."
#
# Give it some time
#
sleep 5
while [ $COUNTER -lt $TIMEOUT ]; do
MODEL=$(radio-query ${RADIOOPTION} --model)
if [ $? -eq 0 ]; then
echo "Cellular radio firmware has been switched to $FWIMAGE image."
exit 0
fi
let COUNTER=COUNTER+1
[ "$VERBOSE" ] && echo -n "."
sleep 1
done
>&2 echo "Cellular radio is not ready."
>&2 echo "When it becomes ready, invoke /usr/sbin/mlinux-switch-apn"
>&2 echo "to set the APN"
exit 1
|
