From 5f7af390eca76f960bdc4b6fa83a4e33160bf1e1 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Mon, 23 May 2016 10:10:29 +1000
Subject: [PATCH] AP_Common: a useful debug macro for SITL

---
 libraries/AP_Common/AP_Common.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libraries/AP_Common/AP_Common.h b/libraries/AP_Common/AP_Common.h
index 4346e7196f..6b8ae626f8 100644
--- a/libraries/AP_Common/AP_Common.h
+++ b/libraries/AP_Common/AP_Common.h
@@ -147,3 +147,12 @@ bool is_bounded_int32(int32_t value, int32_t lower_bound, int32_t upper_bound);
 #include <AP_HAL_QURT/replace.h>
 #endif
 
+/*
+  useful debugging macro for SITL
+ */
+#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
+#define SITL_printf(fmt, args ...) do { ::printf("%s(%u): " fmt, __FILE__, __LINE__, ##args); } while(0)
+#else
+#define SITL_printf(fmt, args ...)
+#endif
+