forked from dan/liminix
wwan: hook usb-modeswitch to uevent
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@ -4,10 +4,11 @@
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, ppp
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, lib
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, svc
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, uevent-watch
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}:
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{ apn, username, password, authType }:
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let
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inherit (liminix.services) oneshot;
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inherit (liminix.services) bundle longrun oneshot;
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authTypeNum = if authType == "pap" then "1" else "2";
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chat = lib.escapeShellArgs [
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# Your usb modem thing might present as a tty that you run PPP
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@ -27,21 +28,44 @@ let
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# start the thing (I am choosing to read this as "NDIS DialUP")
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"OK" "AT\\^NDISDUP=1,1"
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];
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modemConfig = oneshot {
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name = "modem-configure";
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# this is currently only going to work if there is one
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# modem only plugged in, it is plugged in already at boot,
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# and nothing else is providing a USB tty.
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# https://stackoverflow.com/questions/5477882/how-to-i-detect-whether-a-tty-belonging-to-a-gsm-3g-modem-is-a-data-or-control-p
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modeswitch = oneshot {
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name = "modem-modeswitch";
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up = ''
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sleep 2
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${usb-modeswitch}/bin/usb_modeswitch -v 12d1 -p 14fe --huawei-new-mode
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sleep 5
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${ppp}/bin/chat -s -v ${chat} 0<>/dev/ttyUSB0 1>&0
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ln -s /dev/ttyUSB0 /dev/modem
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'';
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down = "chat -v '' ATZ OK </dev/ttyUSB0 >&0";
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};
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atz = oneshot {
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name = "modem-atz";
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# timeout-up = 180;
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dependencies = [ modeswitch ];
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up = ''
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sleep 3
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ls -l /dev/modem
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${ppp}/bin/chat -s -v ${chat} 0<>/dev/modem 1>&0
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'';
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down = "${ppp}/bin/chat -v '' ATZ OK 0<>/dev/modem 1>&0";
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};
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setup = bundle {
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name = "modemm-mm-mm-mm";
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contents = [
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(longrun {
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name = "watch-for-usb-modeswitch";
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isTrigger = true;
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buildInputs = [ modeswitch ];
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run = "${uevent-watch}/bin/uevent-watch -s ${modeswitch.name} devtype=usb_device product=12d1/14fe/102";
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})
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atz
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# (longrun {
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# name = "watch-for-modem";
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# isTrigger = true;
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# timeout-up = 180;
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# buildInputs = [ atz ];
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# run = "sleep 120; ${uevent-watch}/bin/uevent-watch -n /dev/ttyUSB0 -s ${atz.name} devtype=usb_device product=12d1/1506/102";
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# })
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];
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};
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in svc.network.link.build {
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ifname = "wwan0";
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dependencies = [ modemConfig ];
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dependencies = [ setup ];
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}
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