From 97c8d149f7b185a3fea7782a948e4d6da4a3c070 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Fri, 14 Jul 2023 10:58:06 +1000
Subject: [PATCH] AP_LandingGear: allow compilation with HAL_LOGGING_ENABLED
 false

---
 libraries/AP_LandingGear/AP_LandingGear.cpp | 6 ++++--
 libraries/AP_LandingGear/AP_LandingGear.h   | 5 +++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_LandingGear/AP_LandingGear.cpp b/libraries/AP_LandingGear/AP_LandingGear.cpp
index 8f77d5e3df..7ac8971994 100644
--- a/libraries/AP_LandingGear/AP_LandingGear.cpp
+++ b/libraries/AP_LandingGear/AP_LandingGear.cpp
@@ -174,7 +174,7 @@ void AP_LandingGear::deploy()
     // set deployed flag
     _deployed = true;
     _have_changed = true;
-    AP::logger().Write_Event(LogEvent::LANDING_GEAR_DEPLOYED);
+    LOGGER_WRITE_EVENT(LogEvent::LANDING_GEAR_DEPLOYED);
 }
 
 /// retract - retract landing gear
@@ -190,7 +190,7 @@ void AP_LandingGear::retract()
     // reset deployed flag
     _deployed = false;
     _have_changed = true;
-    AP::logger().Write_Event(LogEvent::LANDING_GEAR_RETRACTED);
+    LOGGER_WRITE_EVENT(LogEvent::LANDING_GEAR_RETRACTED);
 
     // send message only if output has been configured
     if (SRV_Channels::function_assigned(SRV_Channel::k_landing_gear_control)) {
@@ -303,6 +303,7 @@ void AP_LandingGear::update(float height_above_ground_m)
     _last_height_above_ground = alt_m;
 }
 
+#if HAL_LOGGING_ENABLED
 // log weight on wheels state
 void AP_LandingGear::log_wow_state(LG_WOW_State state)
 {
@@ -310,6 +311,7 @@ void AP_LandingGear::log_wow_state(LG_WOW_State state)
                                            AP_HAL::micros64(),
                                            (int8_t)gear_state_current, (int8_t)state);
 }
+#endif
 
 bool AP_LandingGear::check_before_land(void)
 {
diff --git a/libraries/AP_LandingGear/AP_LandingGear.h b/libraries/AP_LandingGear/AP_LandingGear.h
index 6cafc77d5a..cfa0eebaae 100644
--- a/libraries/AP_LandingGear/AP_LandingGear.h
+++ b/libraries/AP_LandingGear/AP_LandingGear.h
@@ -8,6 +8,7 @@
 
 #include <AP_Param/AP_Param.h>
 #include <AP_Common/AP_Common.h>
+#include <AP_Logger/AP_Logger_config.h>
 
 /// @class  AP_LandingGear
 /// @brief  Class managing the control of landing gear
@@ -122,8 +123,12 @@ private:
     /// deploy - deploy the landing gear
     void deploy();
 
+#if HAL_LOGGING_ENABLED
     // log weight on wheels state
     void log_wow_state(LG_WOW_State state);
+#else
+    void log_wow_state(LG_WOW_State state) {}
+#endif
 
     static AP_LandingGear *_singleton;
 };