LTE modem via serial
- include mapping for modem manager, serial port will be specified, leaving 0 for debug
admin@iqube:~$ sudo cat /etc/udev/rules.d/lte.rules
ACTION=="add|change|move", KERNEL=="ttyS0", ENV{ID_MM_TTY_FLOW_CONTROL}="none", ENV{ID_MM_TTY_BAUDRATE}="115200", ENV{ID_MM_CANDIDATE}="1", ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1", ENV{ID_MM_DEVICE_PROCESS}="1", ENV{ID_MM_PORT_TYPE_AT_PPP}="1"
- fix for ppp setting (supply option file with content below, taken from rpios)
admin@iqube:/$ cat /etc/ppp/options
connect ""
asyncmap 0
auth
crtscts
lock
hide-password
modem
lcp-echo-interval 30
lcp-echo-failure 4
noipx
admin@iqube:/$
- testing with network manager
admin@iqube:/$ sudo cat /etc/NetworkManager/system-connections/o2.nmconnection
[connection]
id=o2
type=gsm
autoconnect=true
[gsm]
apn=internet
number=*99#
[serial]
baud=115200
[ipv4]
method=auto
[ipv6]
addr-gen-mode=stable-privacy
method=auto
admin@iqube:/$