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|
{ pkgs, ... }: let
lib = import <stockholm/lib>;
cfg = {
pin = "@${toString <secrets/o2.pin>}";
ttys.ppp = "/dev/ttyACM0";
ttys.com = "/dev/ttyACM1";
};
in {
environment.etc."ppp/peers/o2".text = /* sh */ ''
${cfg.ttys.ppp}
921600
crtscts
defaultroute
holdoff 10
lock
maxfail 0
noauth
nodetach
noipdefault
passive
persist
usepeerdns
connect "${pkgs.ppp}/bin/chat ''${DEBUG+-v} -Ss -f ${pkgs.writeText "o2.chat" /* sh */ ''
ABORT "BUSY"
ABORT "NO CARRIER"
REPORT CONNECT
"*EMRDY: 1"
ATZ OK
AT+CFUN=1 OK
${cfg.pin} TIMEOUT 2 ERROR-AT-OK
AT+CGDCONT=1,\042IP\042,\042internet\042 OK
ATDT*99***1# CONNECT
''}"
'';
users.users.root.packages = [
(pkgs.writeDashBin "connect" ''
# usage:
# connect wlan
# connect wwan [PEERNAME]
set -efu
rfkill_wlan=/sys/class/rfkill/rfkill2
rfkill_wwan=/sys/class/rfkill/rfkill1
case $1 in
wlan)
${pkgs.procps}/bin/pkill pppd || :
echo 0 > "$rfkill_wwan"/state
echo 1 > "$rfkill_wlan"/state
;;
wwan)
name=''${2-o2}
echo 0 > "$rfkill_wlan"/state
echo 1 > "$rfkill_wwan"/state
${pkgs.ppp}/bin/pppd call "$name" updetach
;;
*)
echo "$0: error: bad arguments: $*" >&2
exit 1
esac
'')
(pkgs.writeDashBin "modem-send" ''
# usage: modem-send ATCOMMAND
set -efu
tty=${lib.shell.escape cfg.ttys.com}
exec <"$tty"
printf '%s\r\n' "$1" >"$tty"
${pkgs.gnused}/bin/sed -E '
/^OK\r?$/q
/^ERROR\r?$/q
'
'')
];
}
|
