#!/bin/bash
#reset modem first
APN="Wholesale" #set your APN name here for network manager.
NETNAME="4gnet"
#disconnect 4gnet
sudo nmcli c down $NETNAME
#power-off the modem in case it's already on.
uconsole-4g-cm4 disable
#power-on modem.
uconsole-4g-cm4 enable

echo "sudo: restart modemmanager"
sudo systemctl restart ModemManager.service
echo "waiting 10s for modem detection"
sleep 10
#todo: check 'mmcli -m any | grep "primary port"'
# save the ttyUSB port value, inject it into socat and nmcli commands.
echo "attempting startup"
echo -en "AT+CUSBPIDSWITCH?\r\n" | sudo socat - /dev/ttyUSB2,crnl

echo "sudo: reset & re-add modem to network manager"
sudo nmcli c del $NETNAME
sudo nmcli c add type gsm ifname ttyUSB2 con-name $NETNAME apn $APN
sleep 10
sudo nmcli c up $NETNAME