From 798075c90d0bf1d271ce9758f1649f160b7373ec Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Thu, 18 Jul 2013 15:50:07 +0200
Subject: Work around orb_check fail in sensors app

---
 src/modules/sensors/sensors.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp
index ae5a55109..be87c752d 100644
--- a/src/modules/sensors/sensors.cpp
+++ b/src/modules/sensors/sensors.cpp
@@ -1141,10 +1141,13 @@ Sensors::ppm_poll()
 {
 
 	/* read low-level values from FMU or IO RC inputs (PPM, Spektrum, S.Bus) */
-	bool rc_updated;
-	orb_check(_rc_sub, &rc_updated);
+	struct pollfd fds[1];
+	fds[0].fd = _rc_sub;
+	fds[0].events = POLLIN;
+	/* check non-blocking for new data */
+	int poll_ret = poll(fds, 1, 0);
 
-	if (rc_updated) {
+	if (poll_ret > 0) {
 		struct rc_input_values	rc_input;
 
 		orb_copy(ORB_ID(input_rc), _rc_sub, &rc_input);
-- 
cgit v1.2.3