From 1a604cd64e336011dddb641269291bf794fd5118 Mon Sep 17 00:00:00 2001
From: Jakob Almqvist <jakob.almqvist@swift-nav.com>
Date: Fri, 15 Mar 2024 09:43:45 +0100
Subject: [PATCH] [IOTE-2][IOTE-326] Add local timestamp week rollover flag

---
 c/include/libsbp/system/MSG_GNSS_TIME_OFFSET.h |  2 +-
 spec/yaml/swiftnav/sbp/system.yaml             | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/c/include/libsbp/system/MSG_GNSS_TIME_OFFSET.h b/c/include/libsbp/system/MSG_GNSS_TIME_OFFSET.h
index 8c5e6261b..5d0cd2d37 100644
--- a/c/include/libsbp/system/MSG_GNSS_TIME_OFFSET.h
+++ b/c/include/libsbp/system/MSG_GNSS_TIME_OFFSET.h
@@ -61,7 +61,7 @@ typedef struct {
   s16 microseconds;
 
   /**
-   * Status flags (reserved)
+   * Status flags
    */
   u8 flags;
 } sbp_msg_gnss_time_offset_t;
diff --git a/spec/yaml/swiftnav/sbp/system.yaml b/spec/yaml/swiftnav/sbp/system.yaml
index 3171abb1e..b534ec318 100644
--- a/spec/yaml/swiftnav/sbp/system.yaml
+++ b/spec/yaml/swiftnav/sbp/system.yaml
@@ -443,7 +443,15 @@ definitions:
             desc: Microseconds portion of the time offset
         - flags:
             type: u8
-            desc: Status flags (reserved)
+            desc: Status flags
+            fields:
+              - 1-7:
+                  desc: Reserved, set to zero
+              - 0:
+                  desc: Aligned with local timestamp week rollover
+                  values:
+                    - 0: Not affected by local timestamp week rollover
+                    - 1: Week number incremented on local timestamp week rollover
 
  - MSG_PPS_TIME:
     id: 0xFF08