From 25de5636871444a6a0142509c3f6fbff2756873a Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Sat, 2 May 2015 21:54:19 +1000
Subject: [PATCH] HAL_SITL: support direct RC input

---
 libraries/AP_HAL_AVR_SITL/SITL_State.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libraries/AP_HAL_AVR_SITL/SITL_State.cpp b/libraries/AP_HAL_AVR_SITL/SITL_State.cpp
index 94571c2a8d..be63d189bd 100644
--- a/libraries/AP_HAL_AVR_SITL/SITL_State.cpp
+++ b/libraries/AP_HAL_AVR_SITL/SITL_State.cpp
@@ -445,10 +445,21 @@ void SITL_State::_fdm_input_local(void)
 {
     Aircraft::sitl_input input;
 
+    // check for direct RC input
+    _fdm_input();
+
+    // construct servos structure for FDM
     _simulator_servos(input);
+
+    // update the model
     sitl_model->update(input);
+
+    // get FDM output from the model
     sitl_model->fill_fdm(_sitl->state);
+
+    // update simulation time
     hal.scheduler->stop_clock(_sitl->state.timestamp_us);
+
     _synthetic_clock_mode = true;
     _update_count++;
 }