2 files changed, 13 insertions, 0 deletions
diff --git a/src/modules/systemlib/perf_counter.h b/src/modules/systemlib/perf_counter.h
index e1e3cbe95..d8f69fdbf 100644
--- a/src/modules/systemlib/perf_counter.h
+++ b/src/modules/systemlib/perf_counter.h
@@ -39,6 +39,8 @@
 #ifndef _SYSTEMLIB_PERF_COUNTER_H
 #define _SYSTEMLIB_PERF_COUNTER_H value
 
+#include <stdint.h>
+
 /**
  * Counter types.
  */
diff --git a/src/modules/systemlib/system_params.c b/src/modules/systemlib/system_params.c
index cb35a2541..ec2bc3a9a 100644
--- a/src/modules/systemlib/system_params.c
+++ b/src/modules/systemlib/system_params.c
@@ -60,3 +60,14 @@ PARAM_DEFINE_INT32(SYS_AUTOSTART, 0);
  * @group System
  */
 PARAM_DEFINE_INT32(SYS_AUTOCONFIG, 0);
+
+/**
+ * Set usage of IO board
+ *
+ * Can be used to use a standard startup script but with a FMU only set-up. Set to 0 to force the FMU only set-up.
+ *
+ * @min 0
+ * @max 1
+ * @group System
+ */
+PARAM_DEFINE_INT32(SYS_USE_IO, 1);