1 files changed, 19 insertions, 5 deletions

diff --git a/serial_link/system/system.h b/serial_link/system/system.h
index 1e4c610b1..e8c1caec0 100644
--- a/serial_link/system/system.h
+++ b/serial_link/system/system.h
@@ -25,18 +25,32 @@ SOFTWARE.
 #ifndef SERIAL_LINK_SYSTEM_H
 #define SERIAL_LINK_SYSTEM_H
 
-inline void serial_link_lock(void) {
+
+void init_serial_link(void);
+
+#if defined(PROTOCOL_CHIBIOS)
+#include "ch.h"
+
+static inline void serial_link_lock(void) {
+    chSysLock();
 }
 
-inline void serial_link_unlock(void) {
+static inline void serial_link_unlock(void) {
+    chSysUnlock();
 }
 
-void singal_data_written(void);
+void signal_data_written(void);
 
-#if defined(PROTOCOL_CHIBIOS)
+#else
 
-inline void signal_data_written(void) {
+inline void serial_link_lock(void) {
+}
+
+inline void serial_link_unlock(void) {
 }
+
+void signal_data_written(void);
+
 #endif
 
 #endif