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|
#!/bin/bash
lna3_chat_link=/etc/ppp/peers/lna3_chat
lna3_readme=/etc/ppp/peers/README.lna3
function usage {
>&2 echo "\
Usage: $0 <image_id> [timeout]
image_id <0|1|-1> : for dual FW image SKU-s, the id of the image to switch to
(LTE910-NA1 is the only supported radio for now).
-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
#
# Load args (don't wait for the radio by default)
#
FWIMAGE=$1
if ((FWIMAGE < -2)) || ((FWIMAGE > 1)) ; then
usage
fi
if ! /usr/sbin/mlinux-cell-radio-ready ; then
[ "$VERBOSE" ] && >&2 echo Radio is not ready
[ "$VERBOSE" ] && >&2 echo Try again later
exit 1
fi
if ((FWIMAGE == -1)) ; then
iccid=$(radio-query --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 [[ "$iccid" =~ ^89148.* ]] ; then
((FWIMAGE=1))
else
((FWIMAGE=0))
fi
else
>&2 echo "Cannot get ICCID from SIM"
>&2 echo "Try again later"
exit 1
fi
fi
TIMEOUT=${2:-15}
if [ "$VERBOSE" != "yes" ]; then
VERBOSE=""
fi
[ "$VERBOSE" ] && >&2 echo -n "Switching the radio firmware image: "
#
# Check if the radio present
#
MODEL=$(radio-query --model)
if [ $? -ne 0 ]; then
[ "$VERBOSE" ] && >&2 echo "Assume no radio on this device."
exit 0
fi
#
# Applicable for LTE910-NA1 with dual FW images only
#
productid=$(/usr/sbin/mts-io-sysfs show product-id)
if [[ $MODEL != LE910-NA1 ]] || ! [[ $productid =~ -LNA3- ]] ; then
[ "$VERBOSE" ] && >&2 echo "Firmware switch is supported only on LE910-NA1 models with product-id containing -LNA3-."
exit 0
fi
#
# Check if firmware switch is required
#
FWACTIVE=$(radio-query --active-firmware)
if [ $? -ne 0 ] || [ "$FWACTIVE" == "" ]; then
[ "$VERBOSE" ] && >&2 echo "The $MODEL radio does not support firmware switching."
exit 0
fi
if (( FWACTIVE == FWIMAGE )); then
[ "$VERBOSE" ] && >&2 echo "The radio firmware image is already set."
exit 0
fi
# Disable the LNA3 chat script in case of failure.
if ! [[ -L $lna3_chat_link ]] || [[ $(basename $(readlink -f $lna3_chat_link)) != README.lna3 ]] ; then
ln -sf "${lna3_readme}" "${lna3_chat_link}"
echo "Chat script is now disabled."
fi
#
# Switch the firmware
#
RESULT=$(radio-cmd --set-active-firmware "$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 --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
|
