From 46d0425fcf3639856971ba627f8510d2929f43c3 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Thu, 28 Nov 2019 12:24:03 +1100
Subject: [PATCH] AP_NMEA_Output: correct 10Hz rate limiting

integer promotion issue
---
 libraries/AP_NMEA_Output/AP_NMEA_Output.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_NMEA_Output/AP_NMEA_Output.cpp b/libraries/AP_NMEA_Output/AP_NMEA_Output.cpp
index 7649b8bd941f6..55c4379702ab4 100644
--- a/libraries/AP_NMEA_Output/AP_NMEA_Output.cpp
+++ b/libraries/AP_NMEA_Output/AP_NMEA_Output.cpp
@@ -70,7 +70,7 @@ void AP_NMEA_Output::update()
     const uint16_t now = AP_HAL::millis16();
 
     // only send at 10Hz
-    if (now - _last_run < 100) {
+    if (uint16_t(now - _last_run) < 100) {
         return;
     }
     _last_run = now;