From 5e33bbd197162f61ab7c9ce1c3ea876aa03bc7f5 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Fri, 30 Aug 2013 15:05:29 +1000
Subject: [PATCH] PX4: fixed sense of relay pins

---
 libraries/AP_HAL_PX4/GPIO.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_HAL_PX4/GPIO.cpp b/libraries/AP_HAL_PX4/GPIO.cpp
index d21d3ca675..6a3ab3b51d 100644
--- a/libraries/AP_HAL_PX4/GPIO.cpp
+++ b/libraries/AP_HAL_PX4/GPIO.cpp
@@ -17,8 +17,8 @@
 #include <drivers/drv_gpio.h>
 #include <modules/px4iofirmware/protocol.h>
 
-#define LOW     1
-#define HIGH    0
+#define LOW     0
+#define HIGH    1
 
 extern const AP_HAL::HAL& hal;