From ab64480d2bf02b3651450b68df0f1868d1c3f169 Mon Sep 17 00:00:00 2001
From: Andy Piper <github@andypiper.com>
Date: Thu, 26 May 2022 13:59:05 +0100
Subject: [PATCH] SITL: add spin armed rpm

---
 libraries/SITL/SITL.cpp | 2 ++
 libraries/SITL/SITL.h   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/libraries/SITL/SITL.cpp b/libraries/SITL/SITL.cpp
index 1a74cf0c48..b9cbdb54b3 100644
--- a/libraries/SITL/SITL.cpp
+++ b/libraries/SITL/SITL.cpp
@@ -285,6 +285,8 @@ const AP_Param::GroupInfo SIM::var_info3[] = {
 
     AP_GROUPINFO("ESC_TELEM", 40, SIM, esc_telem, 1),
 
+    AP_GROUPINFO("ESC_ARM_RPM", 41, SIM,  esc_rpm_armed, 0.0f),
+
     AP_SUBGROUPINFO(airspeed[0], "ARSPD_", 50, SIM, SIM::AirspeedParm),
 #if AIRSPEED_MAX_SENSORS > 1
     AP_SUBGROUPINFO(airspeed[1], "ARSPD2_", 51, SIM, SIM::AirspeedParm),
diff --git a/libraries/SITL/SITL.h b/libraries/SITL/SITL.h
index 1fb9269342..feaef2b178 100644
--- a/libraries/SITL/SITL.h
+++ b/libraries/SITL/SITL.h
@@ -441,6 +441,8 @@ public:
 
     // ESC telemetry
     AP_Int8 esc_telem;
+    // RPM when motors are armed
+    AP_Float esc_rpm_armed;
 
     struct {
         // LED state, for serial LED emulation