From dd27984eacc47d9f9340eed7e4dab597e27af80a Mon Sep 17 00:00:00 2001
From: Pat Hickey <pat@galois.com>
Date: Fri, 4 Jan 2013 16:20:22 -0800
Subject: [PATCH] SITL: instansiate EmptyI2CDriver with EmptySemaphore

---
 libraries/AP_HAL_AVR_SITL/HAL_AVR_SITL_Class.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_AVR_SITL/HAL_AVR_SITL_Class.cpp b/libraries/AP_HAL_AVR_SITL/HAL_AVR_SITL_Class.cpp
index 382a8a7e58..a3d00a6832 100644
--- a/libraries/AP_HAL_AVR_SITL/HAL_AVR_SITL_Class.cpp
+++ b/libraries/AP_HAL_AVR_SITL/HAL_AVR_SITL_Class.cpp
@@ -34,7 +34,8 @@ static SITLAnalogIn sitlAnalogIn(&sitlState);
 
 // use the Empty HAL for hardware we don't emulate
 static Empty::EmptyGPIO emptyGPIO;
-static Empty::EmptyI2CDriver emptyI2C;
+static Empty::EmptySemaphore emptyI2Csemaphore;
+static Empty::EmptyI2CDriver emptyI2C(&emptyI2Csemaphore);
 static Empty::EmptySPIDeviceManager emptySPI;
 
 static SITLUARTDriver sitlUart0Driver(0, &sitlState);