Add our custom scripts

files/etc/init.d/wwan_loop

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+#!/bin/sh /etc/rc.common
+
+USE_PROCD=1
+START=99
+STOP=01
+
+start_service() {
+    procd_open_instance
+    procd_set_param command /usr/sbin/wwan_loop.sh
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_close_instance
+}
+

files/usr/sbin/get_lcid

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+#!/bin/sh
+rm -f /tmp/logread.txt
+
+logread -f > /tmp/logread.txt &
+LOGREAD_PID=$!
+
+mmcli -m 0 --command="AT+CREG?" > /dev/null
+kill -9 ${LOGREAD_PID}
+
+ATRES=$(grep -Eo '\+CREG: [0-9],[0-9],"[0-9A-F]+","[0-9A-F]+"' /tmp/logread.txt)
+rm -f /tmp/logread.txt
+
+echo $ATRES | cut -d, -f4 | grep -Eo '[0-9A-F]+'

files/usr/sbin/promsignal

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+#!/bin/sh
+
+# Global Configuration
+mmcli -m 0 --signal-setup=10 2>&1 1>/dev/null
+
+# Fetch & parse signal from MM
+RES=$(mmcli -m 0 --signal-get -K)
+RSRQ=$(echo -en "$RES" | grep modem.signal.lte.rsrq | grep -Eo "\-?[0-9]*.[0-9]*$") 
+RSRP=$(echo -en "$RES" | grep modem.signal.lte.rsrp | grep -Eo "\-?[0-9]*.[0-9]*$") 
+SNR=$(echo -en "$RES" | grep modem.signal.lte.snr | grep -Eo "\-?[0-9]*.[0-9]*$")
+
+# Run AT Command to get LCID not reported by MM
+rm -f /tmp/logread.txt
+logread -f > /tmp/logread.txt &
+LOGREAD_PID=$!
+mmcli -m 0 --command="AT+CREG?" > /dev/null
+kill -9 ${LOGREAD_PID}
+ATRES=$(grep -Eo '\+CREG: [0-9],[0-9],"[0-9A-F]+","[0-9A-F]+"' /tmp/logread.txt)
+rm -f /tmp/logread.txt
+LCID=$(echo $ATRES | cut -d, -f4 | grep -Eo '[0-9A-F]+')
+
+# Display parsed data
+echo "rsrq=$RSRQ, rsrp=$RSRP, snr=$SNR, lcid=$LCID" 

files/usr/sbin/wwan_loop

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+#!/bin/sh
+
+mmcli --modem 0 --monitor-state | while read r ; do /usr/sbin/wwan0_reconnect ; done

files/usr/sbin/wwan_reconnect

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+#!/bin/sh
+
+MODEM_STATE=$(mmcli --modem 0 --output-keyvalue|grep "modem.generic.state"|grep -o "\w*$")
+BEARER=$(mmcli --modem 0 --output-keyvalue|grep 'modem.generic.bearers.value\[1\]'|grep -o '\d*$')
+BEARER_CONNECTED=$(mmcli -b $BEARER --output-keyvalue|grep bearer.status.connected|grep -o "\w*$")
+echo "(modem state: $MODEM_STATE, bearer connected: $BEARER_CONNECTED, bearer id: $BEARER)"
+
+if [[ $MODEM_STATE == 'registered' ]] ; then
+  echo "trigger simple-connect"
+  ifup broadband
+  sleep 600 # prevent loops
+else
+  echo "do nothing"
+fi

files/usr/sbin/wwan_traffic

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+#!/usr/bin/lua
+
+local filesize = require "filesize"
+local rxfile = io.open("/sys/class/net/wwan0/statistics/rx_bytes", "r")
+local txfile = io.open("/sys/class/net/wwan0/statistics/tx_bytes", "r")
+
+local rx = filesize(tonumber(rxfile:read("*all")))
+local tx = filesize(tonumber(txfile:read("*all")))
+
+print("RX:", rx, "TX:",tx)
+
+rxfile:close()
+txfile:close()