From 02e7144d9fe3f6ba95b1c7071c883fc7aa6f7778 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Sun, 22 Nov 2015 12:34:02 +0100
Subject: [PATCH] BST driver: Clean up I2C bus and stack

---
 src/drivers/bst/CMakeLists.txt | 1 +
 src/drivers/bst/bst.cpp        | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/drivers/bst/CMakeLists.txt b/src/drivers/bst/CMakeLists.txt
index 146f6f6ee0..7c312fc2e9 100644
--- a/src/drivers/bst/CMakeLists.txt
+++ b/src/drivers/bst/CMakeLists.txt
@@ -33,6 +33,7 @@
 px4_add_module(
 	MODULE drivers__bst
 	MAIN bst
+	STACK 1200
 	COMPILE_FLAGS
 		-Os
 	SRCS
diff --git a/src/drivers/bst/bst.cpp b/src/drivers/bst/bst.cpp
index f80ceabc63..c6bf008e50 100644
--- a/src/drivers/bst/bst.cpp
+++ b/src/drivers/bst/bst.cpp
@@ -50,7 +50,6 @@
 #include <uORB/topics/vehicle_gps_position.h>
 #include <uORB/topics/battery_status.h>
 
-#define DEFAULT_DEVICE 1	// TODO use PX4 define for external I2C
 #define BST_DEVICE_PATH "/dev/bst0"
 
 static const char commandline_usage[] = "usage: bst start|status|stop";
@@ -346,7 +345,7 @@ int bst_main(int argc, char *argv[]) {
 			exit(0);
 		}
 
-		g_bst = new BST(DEFAULT_DEVICE);
+		g_bst = new BST(PX4_I2C_BUS_EXPANSION);
 
 		if (g_bst != nullptr && OK != g_bst->init()) {
 			delete g_bst;