started witht the code

code/Core/Inc/main.h

@@ -83,8 +83,10 @@ void Error_Handler(void);
 #define LED_G_GPIO_Port GPIOB
 #define SW2_Pin GPIO_PIN_8
 #define SW2_GPIO_Port GPIOB
+#define SW2_EXTI_IRQn EXTI4_15_IRQn
 #define SW1_Pin GPIO_PIN_9
 #define SW1_GPIO_Port GPIOB
+#define SW1_EXTI_IRQn EXTI4_15_IRQn
 
 /* USER CODE BEGIN Private defines */