diff --git a/board/NUCLEO_STM32F401RE/BSP/Inc/gpio.h b/board/NUCLEO_STM32F401RE/BSP/Inc/gpio.h
new file mode 100644
index 00000000..40490539
--- /dev/null
+++ b/board/NUCLEO_STM32F401RE/BSP/Inc/gpio.h
@@ -0,0 +1,57 @@
+/**
+  ******************************************************************************
+  * File Name          : gpio.h
+  * Description        : This file contains all the functions prototypes for 
+  *                      the gpio  
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __gpio_H
+#define __gpio_H
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_GPIO_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*__ pinoutConfig_H */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/board/NUCLEO_STM32F401RE/BSP/Inc/main.h b/board/NUCLEO_STM32F401RE/BSP/Inc/main.h
new file mode 100644
index 00000000..0a2a8b5e
--- /dev/null
+++ b/board/NUCLEO_STM32F401RE/BSP/Inc/main.h
@@ -0,0 +1,73 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : main.h
+  * @brief          : Header for main.c file.
+  *                   This file contains the common defines of the application.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __MAIN_H
+#define __MAIN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Exported types ------------------------------------------------------------*/
+/* USER CODE BEGIN ET */
+
+/* USER CODE END ET */
+
+/* Exported constants --------------------------------------------------------*/
+/* USER CODE BEGIN EC */
+
+/* USER CODE END EC */
+
+/* Exported macro ------------------------------------------------------------*/
+/* USER CODE BEGIN EM */
+
+/* USER CODE END EM */
+
+/* Exported functions prototypes ---------------------------------------------*/
+void Error_Handler(void);
+
+/* USER CODE BEGIN EFP */
+
+/* USER CODE END EFP */
+
+/* Private defines -----------------------------------------------------------*/
+#define LED_Pin GPIO_PIN_5
+#define LED_GPIO_Port GPIOA
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MAIN_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/board/NUCLEO_STM32F401RE/BSP/Inc/mcu_init.h b/board/NUCLEO_STM32F401RE/BSP/Inc/mcu_init.h
new file mode 100644
index 00000000..f4212ae9
--- /dev/null
+++ b/board/NUCLEO_STM32F401RE/BSP/Inc/mcu_init.h
@@ -0,0 +1,19 @@
+#ifndef __MCU_INIT_H
+#define __MCU_INIT_H
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include "main.h"
+#include "stm32f4xx_hal.h"
+#include "usart.h"
+#include "gpio.h"
+#include "tos.h"
+
+void board_init(void);
+void SystemClock_Config(void);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*__ __MCU_INIT_H */