From b1a3e0a5374bfd56370fc441131228ba599aed60 Mon Sep 17 00:00:00 2001
From: Michael du Breuil <wicked.shell.scripts@gmail.com>
Date: Mon, 23 Apr 2018 15:46:27 -0700
Subject: [PATCH] AP_GPS: Report when SBF errors change

---
 libraries/AP_GPS/AP_GPS_SBF.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/AP_GPS/AP_GPS_SBF.cpp b/libraries/AP_GPS/AP_GPS_SBF.cpp
index debd4758b2..75ad72eac1 100644
--- a/libraries/AP_GPS/AP_GPS_SBF.cpp
+++ b/libraries/AP_GPS/AP_GPS_SBF.cpp
@@ -368,6 +368,10 @@ AP_GPS_SBF::process_message(void)
     {
         const msg4014 &temp = sbf_msg.data.msg4014u;
         RxState = temp.RxState;
+        if ((RxError & RX_ERROR_MASK) != (temp.RxError & RX_ERROR_MASK)) {
+            gcs().send_text(MAV_SEVERITY_INFO, "GPS %d: SBF error changed (0x%08x/0x%08x)", state.instance + 1,
+                            RxError & RX_ERROR_MASK, temp.RxError & RX_ERROR_MASK);
+        }
         RxError = temp.RxError;
         break;
     }