From b25cc60323721db1a0496082903fe7ecdb04baac Mon Sep 17 00:00:00 2001
From: Pradeep CK <pradeep@carbonix.com.au>
Date: Thu, 28 Nov 2024 10:09:25 +1100
Subject: [PATCH] SITL : set ESC motor mask

This is specific to Carbonix.
---
 libraries/SITL/SIM_Plane.cpp     | 4 ++--
 libraries/SITL/SIM_QuadPlane.cpp | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libraries/SITL/SIM_Plane.cpp b/libraries/SITL/SIM_Plane.cpp
index 8dbdfc6fc4..7d58b3da6e 100644
--- a/libraries/SITL/SIM_Plane.cpp
+++ b/libraries/SITL/SIM_Plane.cpp
@@ -362,8 +362,8 @@ void Plane::calculate_forces(const struct sitl_input &input, Vector3f &rot_accel
     }
     
     // simulate engine RPM
-    motor_mask |= (1U<<2);
-    rpm[2] = thrust * 7000;
+    motor_mask |= (1U<<4);
+    rpm[4] = thrust * 7000;
     
     // scale thrust to newtons
     thrust *= thrust_scale;
diff --git a/libraries/SITL/SIM_QuadPlane.cpp b/libraries/SITL/SIM_QuadPlane.cpp
index a58b673405..3c613f4992 100644
--- a/libraries/SITL/SIM_QuadPlane.cpp
+++ b/libraries/SITL/SIM_QuadPlane.cpp
@@ -27,7 +27,7 @@ QuadPlane::QuadPlane(const char *frame_str) :
 {
     // default to X frame
     const char *frame_type = "x";
-    uint8_t motor_offset = 4;
+    uint8_t motor_offset = 0;
 
     ground_behavior = GROUND_BEHAVIOR_NO_MOVEMENT;