2014-04-14 15:26:48 +01:00
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{ config, lib, pkgs, ... }:
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2009-10-12 17:36:19 +01:00
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2014-04-14 15:26:48 +01:00
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with lib;
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2009-05-31 19:51:29 +01:00
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let
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2009-06-30 08:56:08 +01:00
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uid = config.ids.uids.gpsd;
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gid = config.ids.gids.gpsd;
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2009-10-12 17:36:19 +01:00
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cfg = config.services.gpsd;
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2011-09-14 19:20:50 +01:00
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2009-10-12 17:36:19 +01:00
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in
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{
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###### interface
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2009-05-31 19:51:29 +01:00
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options = {
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2011-09-14 19:20:50 +01:00
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2009-10-12 17:36:19 +01:00
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services.gpsd = {
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2009-05-31 19:51:29 +01:00
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2009-10-12 17:36:19 +01:00
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enable = mkOption {
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2014-03-15 08:52:00 +00:00
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type = types.bool;
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2009-10-12 17:36:19 +01:00
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default = false;
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description = ''
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Whether to enable `gpsd', a GPS service daemon.
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'';
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};
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2009-05-31 19:51:29 +01:00
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2009-10-12 17:36:19 +01:00
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device = mkOption {
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2014-03-15 08:52:00 +00:00
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type = types.str;
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2009-10-12 17:36:19 +01:00
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default = "/dev/ttyUSB0";
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description = ''
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A device may be a local serial device for GPS input, or a URL of the form:
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<literal>[{dgpsip|ntrip}://][user:passwd@]host[:port][/stream]</literal>
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in which case it specifies an input source for DGPS or ntrip data.
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'';
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};
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2009-05-31 19:51:29 +01:00
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2009-10-12 17:36:19 +01:00
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readonly = mkOption {
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2014-03-15 08:52:00 +00:00
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type = types.bool;
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2009-10-12 17:36:19 +01:00
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default = true;
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description = ''
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Whether to enable the broken-device-safety, otherwise
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known as read-only mode. Some popular bluetooth and USB
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receivers lock up or become totally inaccessible when
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probed or reconfigured. This switch prevents gpsd from
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writing to a receiver. This means that gpsd cannot
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configure the receiver for optimal performance, but it
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also means that gpsd cannot break the receiver. A better
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solution would be for Bluetooth to not be so fragile. A
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platform independent method to identify
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serial-over-Bluetooth devices would also be nice.
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'';
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};
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2009-05-31 19:51:29 +01:00
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2018-07-02 23:40:57 +01:00
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nowait = mkOption {
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type = types.bool;
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default = false;
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description = ''
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don't wait for client connects to poll GPS
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'';
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};
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2009-10-12 17:36:19 +01:00
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port = mkOption {
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2021-06-18 16:29:24 +01:00
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type = types.port;
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2009-10-12 17:36:19 +01:00
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default = 2947;
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description = ''
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The port where to listen for TCP connections.
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'';
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2009-05-31 19:51:29 +01:00
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};
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2009-10-12 17:36:19 +01:00
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debugLevel = mkOption {
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2015-06-15 17:11:32 +01:00
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type = types.int;
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2009-10-12 17:36:19 +01:00
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default = 0;
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description = ''
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The debugging level.
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'';
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};
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2009-05-31 19:51:29 +01:00
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};
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2009-10-12 17:36:19 +01:00
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2009-05-31 19:51:29 +01:00
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};
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2009-10-12 17:36:19 +01:00
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###### implementation
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2011-09-14 19:20:50 +01:00
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2009-10-12 17:36:19 +01:00
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config = mkIf cfg.enable {
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2011-09-14 19:20:50 +01:00
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2019-09-14 18:51:29 +01:00
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users.users.gpsd =
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{ inherit uid;
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2009-05-31 19:51:29 +01:00
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description = "gpsd daemon user";
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home = "/var/empty";
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2009-10-12 17:36:19 +01:00
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};
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2009-05-31 19:51:29 +01:00
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2019-09-14 18:51:29 +01:00
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users.groups.gpsd = { inherit gid; };
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2009-05-31 19:51:29 +01:00
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2014-03-14 22:01:32 +00:00
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systemd.services.gpsd = {
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description = "GPSD daemon";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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Type = "forking";
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ExecStart = ''
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${pkgs.gpsd}/sbin/gpsd -D "${toString cfg.debugLevel}" \
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-S "${toString cfg.port}" \
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2018-07-03 13:55:27 +01:00
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${optionalString cfg.readonly "-b"} \
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${optionalString cfg.nowait "-n"} \
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2014-03-14 22:01:32 +00:00
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"${cfg.device}"
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'';
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2009-05-31 19:51:29 +01:00
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};
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2014-03-14 22:01:32 +00:00
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};
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2009-10-12 17:36:19 +01:00
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};
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2011-09-14 19:20:50 +01:00
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2009-05-31 19:51:29 +01:00
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}
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