airspeed_selector: new ASPD_SEL_EN to control enabling/disabling module

ROMFS/px4fmu_common/init.d/rc.fw_apps

@@ -21,7 +21,11 @@ control_allocator start
 fw_rate_control start
 fw_att_control start
 fw_pos_control start
-airspeed_selector start
+
+if param greater -s ASPD_SEL_EN 0
+then
+	airspeed_selector start
+fi
 
 #
 # Start attitude control auto-tuner

ROMFS/px4fmu_common/init.d/rc.vtol_apps

@@ -20,7 +20,10 @@ ekf2 start &
 #
 control_allocator start
 
-airspeed_selector start
+if param greater -s ASPD_SEL_EN 0
+then
+	airspeed_selector start
+fi
 
 vtol_att_control start
 

src/modules/airspeed_selector/airspeed_selector_params.c

@@ -1,4 +1,12 @@
 
+/**
+ * Airspeed validator/selector enable
+ *
+ * @boolean
+ * @group Airspeed Validator
+ */
+PARAM_DEFINE_INT32(ASPD_SEL_EN, 1);
+
 /**
  * Airspeed Selector: Wind estimator wind process noise noise spectral density
  *