diff --git a/BE-chti C/soft/PjtKEIL_StepSon/Src/GestionSon.h b/BE-chti C/soft/PjtKEIL_StepSon/Src/GestionSon.h
new file mode 100644
index 0000000..69d9614
--- /dev/null
+++ b/BE-chti C/soft/PjtKEIL_StepSon/Src/GestionSon.h	
@@ -0,0 +1,2 @@
+void StartSon(void);
+void GestionSon(void);
\ No newline at end of file