From 58fd046f6cf675f1bd4f9579ba5c5ad62404e3d2 Mon Sep 17 00:00:00 2001
From: Daniel Barlow <dan@telent.net>
Date: Wed, 14 May 2025 23:00:45 +0100
Subject: [PATCH] connect qmi-nmea to /var/run/gnss-share.sock

:-)  this works with satellite
:-(  it doesn't start on boot

it needs to be run after the /dev/wwan0qmi0 is created
---
 configuration.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/configuration.nix b/configuration.nix
index ecd85ce..80e912b 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -129,6 +129,17 @@ in {
     };
 
     systemd.services = {
+      nmea-share = {
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          # https://github.com/andersson/rmtfs/blob/7a5ae7e0a57be3e09e0256b51b9075ee6b860322/rmtfs.c#L507-L541
+          ExecStart = ''
+            ${pkgs.socat}/bin/socat   exec:"${pkgs.qmi-nmea}/bin/qmi-nmea /dev/wwan0qmi0",pty   unix-listen:/var/run/gnss-share.sock,fork,umask=0000,mode=0766
+          '';
+          Restart = "always";
+          RestartSec = "2";
+        };
+      };
       rmtfs =
         # the four files in here are partition images:
         #  partlabel => filename