rc_channels topic: bug fixed; sensors: minor cleanup

src/modules/sensors/sensors.cpp

@@ -674,7 +674,7 @@ Sensors::parameters_update()
 	}
 
 	if (param_get(_parameter_handles.rc_map_acro_sw, &(_parameters.rc_map_acro_sw)) != OK) {
-		warnx("Failed getting acro sw chan index");
+		warnx(paramerr);
 	}
 
 	if (param_get(_parameter_handles.rc_map_flaps, &(_parameters.rc_map_flaps)) != OK) {

src/modules/uORB/topics/rc_channels.h

@@ -45,12 +45,12 @@
 /**
  * The number of RC channel inputs supported.
  * Current (Q4/2013) radios support up to 18 channels,
- * leaving at a sane value of 15.
+ * leaving at a sane value of 16.
  * This number can be greater then number of RC channels,
  * because single RC channel can be mapped to multiple
  * functions, e.g. for various mode switches.
  */
-#define RC_CHANNELS_MAPPED_MAX   15
+#define RC_CHANNELS_MAPPED_MAX   16
 
 /** 
  * This defines the mapping of the RC functions.
@@ -60,21 +60,21 @@
 enum RC_CHANNELS_FUNCTION
 {
   THROTTLE = 0,
-  ROLL     = 1,
-  PITCH    = 2,
-  YAW      = 3,
-  MODE = 4,
-  RETURN = 5,
-  ASSISTED = 6,
-  MISSION = 7,
-  OFFBOARD_MODE = 8,
-  ACRO	= 9,
-  FLAPS   = 10,
-  AUX_1   = 11,
-  AUX_2   = 12,
-  AUX_3   = 13,
-  AUX_4   = 14,
-  AUX_5   = 14,
+  ROLL,
+  PITCH,
+  YAW,
+  MODE,
+  RETURN,
+  ASSISTED,
+  MISSION,
+  OFFBOARD_MODE,
+  ACRO,
+  FLAPS,
+  AUX_1,
+  AUX_2,
+  AUX_3,
+  AUX_4,
+  AUX_5,
   RC_CHANNELS_FUNCTION_MAX /**< indicates the number of functions. There can be more functions than RC channels. */
 };