Merge pull request #1950 from philipoe/PR/PX4IO_RC_Mapping_Fix

PX4IO driver: Add mapping of AUX1-3 channels, in case these are also use...

src/drivers/px4io/px4io.cpp

@@ -1291,6 +1291,24 @@ PX4IO::io_set_rc_config()
 		input_map[ichan - 1] = 4;
 	}
 
+	/* AUX 1*/
+	param_get(param_find("RC_MAP_AUX1"), &ichan);
+	if ((ichan > 0) && (ichan <= (int)_max_rc_input)) {
+		input_map[ichan - 1] = 5;
+	}
+
+	/* AUX 2*/
+	param_get(param_find("RC_MAP_AUX2"), &ichan);
+	if ((ichan > 0) && (ichan <= (int)_max_rc_input)) {
+		input_map[ichan - 1] = 6;
+	}
+
+	/* AUX 3*/
+	param_get(param_find("RC_MAP_AUX3"), &ichan);
+	if ((ichan > 0) && (ichan <= (int)_max_rc_input)) {
+		input_map[ichan - 1] = 7;
+	}
+
 	/* MAIN MODE SWITCH */
 	param_get(param_find("RC_MAP_MODE_SW"), &ichan);
 	if ((ichan > 0) && (ichan <= (int)_max_rc_input)) {