From c1595c6cf1f9bef6e41bc976b2c8a4bd590d0937 Mon Sep 17 00:00:00 2001
From: Jeevan K <iamjeevank2000@gmail.com>
Date: Tue, 21 Jan 2025 20:11:42 +0530
Subject: [PATCH] SITL : Add ACC_TRIM, ARSPD documentation

---
 libraries/SITL/SITL.cpp          |  5 +++++
 libraries/SITL/SITL_Airspeed.cpp | 11 ++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/libraries/SITL/SITL.cpp b/libraries/SITL/SITL.cpp
index f97f7a2116..cfa334fe56 100644
--- a/libraries/SITL/SITL.cpp
+++ b/libraries/SITL/SITL.cpp
@@ -1119,6 +1119,11 @@ const AP_Param::GroupInfo SIM::var_ins[] = {
     // @Vector3Parameter: 1
     AP_GROUPINFO("ACC3_SCAL",    24, SIM, accel_scale[2], 0),
 #endif
+    // @Param: ACC_TRIM
+    // @DisplayName: Accelerometer trim
+    // @Description: Trim applied to simulated accelerometer
+    // @User: Advanced
+    // @Vector3Parameter: 1
     AP_GROUPINFO("ACC_TRIM",     25, SIM, accel_trim, 0),
 
 #if APM_BUILD_TYPE(APM_BUILD_Rover)
diff --git a/libraries/SITL/SITL_Airspeed.cpp b/libraries/SITL/SITL_Airspeed.cpp
index ea1289386b..f06a244287 100644
--- a/libraries/SITL/SITL_Airspeed.cpp
+++ b/libraries/SITL/SITL_Airspeed.cpp
@@ -5,8 +5,17 @@
 namespace SITL {
 // user settable parameters for airspeed sensors
 const AP_Param::GroupInfo SIM::AirspeedParm::var_info[] = {
-        // user settable parameters for the 1st airspeed sensor
+    // @Param: RND
+    // @DisplayName: Airspeed sensor noise
+    // @Description: Simulated Airspeed sensor noise
+    // @Units: Pa
+    // @User: Advanced
     AP_GROUPINFO("RND",     1, AirspeedParm,  noise, 2.0),
+    // @Param: OFS
+    // @DisplayName: Airspeed sensor offset
+    // @Description: Simulated Airspeed sensor offset
+    // @Units: m/s
+    // @User: Advanced
     AP_GROUPINFO("OFS",     2, AirspeedParm,  offset, 2013),
     // @Param: FAIL
     // @DisplayName: Airspeed sensor failure