2 ******************************************************************************
3 * @file system_stm32f4xx.h
4 * @author MCD Application Team
7 * @brief CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
8 ******************************************************************************
11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
18 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
19 ******************************************************************************
26 /** @addtogroup stm32f4xx_system
31 * @brief Define to prevent recursive inclusion
33 #ifndef __SYSTEM_STM32F4XX_H
34 #define __SYSTEM_STM32F4XX_H
40 /** @addtogroup STM32F4xx_System_Includes
49 /** @addtogroup STM32F4xx_System_Exported_types
53 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
60 /** @addtogroup STM32F4xx_System_Exported_Constants
68 /** @addtogroup STM32F4xx_System_Exported_Macros
76 /** @addtogroup STM32F4xx_System_Exported_Functions
80 extern void SystemInit(void);
81 extern void SystemCoreClockUpdate(void);
90 #endif /*__SYSTEM_STM32F4XX_H */
99 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/