From 17a5d89998c04266b5babfc6510284bec7eb1def Mon Sep 17 00:00:00 2001
From: Philip Abbey <philipabbey@users.noreply.github.com>
Date: Thu, 29 Aug 2024 21:00:50 +0100
Subject: [PATCH] Prevent negative heading values.

---
 source/BackgroundServiceDelegate.mc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/BackgroundServiceDelegate.mc b/source/BackgroundServiceDelegate.mc
index c248cde..f9bbdfa 100644
--- a/source/BackgroundServiceDelegate.mc
+++ b/source/BackgroundServiceDelegate.mc
@@ -112,7 +112,11 @@ class BackgroundServiceDelegate extends System.ServiceDelegate {
                 data.put("speed", Math.round(position.speed));
             }
             if (position.heading != null) {
-                data.put("course", Math.round(position.heading * 180 / Math.PI));
+                var heading = Math.round(position.heading * 180 / Math.PI);
+                while (heading < 0) {
+                    heading += 360;
+                }
+                data.put("course", heading);
             }
             if (position.altitude != null) {
                 data.put("altitude", Math.round(position.altitude));