make subscriber example use the new param api

2 files changed, 14 insertions, 17 deletions

diff --git a/src/examples/subscriber/subscriber_example.cpp b/src/examples/subscriber/subscriber_example.cpp
index e1292f788..496e1dcd8 100644
--- a/src/examples/subscriber/subscriber_example.cpp
+++ b/src/examples/subscriber/subscriber_example.cpp
@@ -49,20 +49,18 @@ void rc_channels_callback_function(const px4_rc_channels &msg) {
 
 SubscriberExample::SubscriberExample() :
 	_n(),
-	_p_sub_interv(PX4_PARAM_INIT(SUB_INTERV)),
-	_interval(0),
-	_p_test_float(PX4_PARAM_INIT(SUB_TESTF)),
-	_test_float(0.0f)
+	_p_sub_interv("SUB_INTERV", PARAM_SUB_INTERV_DEFAULT),
+	_p_test_float("SUB_TESTF", PARAM_SUB_TESTF_DEFAULT)
 {
 	/* Read the parameter back as example */
-	PX4_PARAM_GET(_p_sub_interv, &_interval);
-	PX4_INFO("Param SUB_INTERV = %d", _interval);
-	PX4_PARAM_GET(_p_test_float, &_test_float);
-	PX4_INFO("Param SUB_TESTF = %.3f", (double)_test_float);
+	_p_sub_interv.update();
+	_p_test_float.update();
+	PX4_INFO("Param SUB_INTERV = %d", _p_sub_interv.get());
+	PX4_INFO("Param SUB_TESTF = %.3f", (double)_p_test_float.get());
 
 	/* Do some subscriptions */
 	/* Function */
-	_n.subscribe<px4_rc_channels>(rc_channels_callback_function, _interval);
+	_n.subscribe<px4_rc_channels>(rc_channels_callback_function, _p_sub_interv.get());
 
 	/* No callback */
 	_sub_rc_chan = _n.subscribe<px4_rc_channels>(500);
@@ -98,8 +96,8 @@ void SubscriberExample::vehicle_attitude_callback(const px4_vehicle_attitude &ms
 void SubscriberExample::parameter_update_callback(const px4_parameter_update &msg) {
 	PX4_INFO("parameter_update_callback (method): [%llu]",
 			msg.data().timestamp);
-	PX4_PARAM_GET(_p_sub_interv, &_interval);
-	PX4_INFO("Param SUB_INTERV = %d", _interval);
-	PX4_PARAM_GET(_p_test_float, &_test_float);
-	PX4_INFO("Param SUB_TESTF = %.3f", (double)_test_float);
+	_p_sub_interv.update();
+	PX4_INFO("Param SUB_INTERV = %d", _p_sub_interv.get());
+	_p_test_float.update();
+	PX4_INFO("Param SUB_TESTF = %.3f", (double)_p_test_float.get());
 }
diff --git a/src/examples/subscriber/subscriber_example.h b/src/examples/subscriber/subscriber_example.h
index 9b6d890e3..686fed023 100644
--- a/src/examples/subscriber/subscriber_example.h
+++ b/src/examples/subscriber/subscriber_example.h
@@ -52,12 +52,11 @@ public:
 	void spin() {_n.spin();}
 protected:
 	px4::NodeHandle _n;
-	px4_param_t _p_sub_interv;
-	int32_t _interval;
-	px4_param_t _p_test_float;
-	float _test_float;
+	px4::ParameterInt _p_sub_interv;
+	px4::ParameterFloat _p_test_float;
 	px4::Subscriber<px4_rc_channels> * _sub_rc_chan;
 
+
 	void rc_channels_callback(const px4_rc_channels &msg);
 	void vehicle_attitude_callback(const px4_vehicle_attitude &msg);
 	void parameter_update_callback(const px4_parameter_update &msg);