diff --git a/Core/Include/Reg/SHAL_TIM_REG.h b/Core/Include/Reg/SHAL_TIM_REG.h
new file mode 100644
index 0000000..1809ef5
--- /dev/null
+++ b/Core/Include/Reg/SHAL_TIM_REG.h
@@ -0,0 +1,10 @@
+#ifndef SHAL_TIM_REG
+#define SHAL_TIM_REG
+
+
+enum class S_TIM{ //Sample
+    TIM1 = 0xFFA0,
+    TIM2,
+};
+
+#endif
\ No newline at end of file
diff --git a/Core/Include/SHAL.h b/Core/Include/SHAL.h
index ba6edaf..9699f8a 100644
--- a/Core/Include/SHAL.h
+++ b/Core/Include/SHAL.h
@@ -8,6 +8,8 @@
 #ifndef SHAL_H
 #define SHAL_H
 
+#define STM32F072xB
+
 
 
 
diff --git a/Core/Include/SHAL_TIM.h b/Core/Include/SHAL_TIM.h
new file mode 100644
index 0000000..5baca1b
--- /dev/null
+++ b/Core/Include/SHAL_TIM.h
@@ -0,0 +1,8 @@
+#ifndef SHAL_TIM_H
+#define SHAL_TIM_H
+
+#include "Reg/SHAL_TIM_REG.h"
+
+
+
+#endif
\ No newline at end of file
diff --git a/Core/Src/main.cpp b/Core/Src/main.cpp
index cba3293..dad7f2c 100644
--- a/Core/Src/main.cpp
+++ b/Core/Src/main.cpp
@@ -1,3 +1,4 @@
+#include "SHAL.h"
 #include "stm32f0xx.h"  // Or your device header
 
 volatile int prev_button = false;