diff --git a/soft/PjtKEIL_StepDFT/Src/module_carre.h b/soft/PjtKEIL_StepDFT/Src/module_carre.h
new file mode 100644
index 0000000..5e213b1
--- /dev/null
+++ b/soft/PjtKEIL_StepDFT/Src/module_carre.h
@@ -0,0 +1,6 @@
+#ifndef MODULE_CARRE
+#define MODULE_CARRE
+
+int DFT_ModuleAuCarre(short int* Signal64ech, char k);
+
+#endif
\ No newline at end of file