From 42181ee7c826301a4d25b15188a3b255bfd6896b Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Fri, 14 Jul 2017 15:00:55 +1000
Subject: [PATCH] HAL_SITL: use SIM_GPS_LOCKTIME

---
 libraries/AP_HAL_SITL/sitl_gps.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libraries/AP_HAL_SITL/sitl_gps.cpp b/libraries/AP_HAL_SITL/sitl_gps.cpp
index 3c9c9e8ba2..1900c4ce2b 100644
--- a/libraries/AP_HAL_SITL/sitl_gps.cpp
+++ b/libraries/AP_HAL_SITL/sitl_gps.cpp
@@ -1122,6 +1122,11 @@ void SITL_State::_update_gps(double latitude, double longitude, float altitude,
     struct gps_data d;
     char c;
 
+    // simulate delayed lock times
+    if (AP_HAL::millis() < _sitl->gps_lock_time*1000UL) {
+        have_lock = false;
+    }
+    
     //Capture current position as basestation location for
     if (!_gps_has_basestation_position) {
         if (have_lock) {