From 5205c1ce56539fb10b48eec03e7cbaaeb0278069 Mon Sep 17 00:00:00 2001
From: Bart Slinger <bartslinger@users.noreply.github.com>
Date: Tue, 14 Jun 2016 10:04:14 +0200
Subject: [PATCH] [gps] optitrack always send heading (#1714)

* [gps] optitrack separate makefile

Until now when flying with gps datalink (which we use for optitrack), you always need to define in your aiframe <define name="AHRS_HEADING_UPDATE_GPS_MIN_SPEED" value="0"/> to get heading updates.
---
 conf/firmwares/subsystems/rotorcraft/gps_optitrack.makefile | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 conf/firmwares/subsystems/rotorcraft/gps_optitrack.makefile

diff --git a/conf/firmwares/subsystems/rotorcraft/gps_optitrack.makefile b/conf/firmwares/subsystems/rotorcraft/gps_optitrack.makefile
new file mode 100644
index 00000000000..39e3410af68
--- /dev/null
+++ b/conf/firmwares/subsystems/rotorcraft/gps_optitrack.makefile
@@ -0,0 +1,3 @@
+include $(CFG_ROTORCRAFT)/gps_datalink.makefile
+# Always zero to get heading update
+ap.CFLAGS += -DAHRS_HEADING_UPDATE_GPS_MIN_SPEED=0