mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_F401RE/system_stm32f4xx.h@89:552587b429a1, 2014-09-12 (annotated)

Committer:
bogdanm
Date:
Fri Sep 12 16:41:52 2014 +0100
Revision:
89:552587b429a1
Parent:
85:024bf7f99721
Child:
90:cb3d968589d8
Release 89 of the mbed library



Main changes:



- low power optimizations for Nordic targets

- code structure changes for Freescale K64F targets

- bug fixes in various backends

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 77:869cf507173a 1 /**
emilmont 77:869cf507173a 2 ******************************************************************************
emilmont 77:869cf507173a 3 * @file system_stm32f4xx.h
emilmont 77:869cf507173a 4 * @author MCD Application Team
bogdanm 85:024bf7f99721 5 * @version V2.1.0RC2
bogdanm 85:024bf7f99721 6 * @date 14-May-2014
emilmont 77:869cf507173a 7 * @brief CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
emilmont 77:869cf507173a 8 ******************************************************************************
emilmont 77:869cf507173a 9 * @attention
emilmont 77:869cf507173a 10 *
emilmont 77:869cf507173a 11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
emilmont 77:869cf507173a 12 *
emilmont 77:869cf507173a 13 * Redistribution and use in source and binary forms, with or without modification,
emilmont 77:869cf507173a 14 * are permitted provided that the following conditions are met:
emilmont 77:869cf507173a 15 * 1. Redistributions of source code must retain the above copyright notice,
emilmont 77:869cf507173a 16 * this list of conditions and the following disclaimer.
emilmont 77:869cf507173a 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
emilmont 77:869cf507173a 18 * this list of conditions and the following disclaimer in the documentation
emilmont 77:869cf507173a 19 * and/or other materials provided with the distribution.
emilmont 77:869cf507173a 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
emilmont 77:869cf507173a 21 * may be used to endorse or promote products derived from this software
emilmont 77:869cf507173a 22 * without specific prior written permission.
emilmont 77:869cf507173a 23 *
emilmont 77:869cf507173a 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
emilmont 77:869cf507173a 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
emilmont 77:869cf507173a 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
emilmont 77:869cf507173a 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
emilmont 77:869cf507173a 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
emilmont 77:869cf507173a 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
emilmont 77:869cf507173a 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
emilmont 77:869cf507173a 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
emilmont 77:869cf507173a 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
emilmont 77:869cf507173a 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
emilmont 77:869cf507173a 34 *
bogdanm 85:024bf7f99721 35 ******************************************************************************
bogdanm 85:024bf7f99721 36 */
emilmont 77:869cf507173a 37
emilmont 77:869cf507173a 38 /** @addtogroup CMSIS
emilmont 77:869cf507173a 39 * @{
emilmont 77:869cf507173a 40 */
emilmont 77:869cf507173a 41
emilmont 77:869cf507173a 42 /** @addtogroup stm32f4xx_system
emilmont 77:869cf507173a 43 * @{
emilmont 77:869cf507173a 44 */
emilmont 77:869cf507173a 45
emilmont 77:869cf507173a 46 /**
emilmont 77:869cf507173a 47 * @brief Define to prevent recursive inclusion
emilmont 77:869cf507173a 48 */
emilmont 77:869cf507173a 49 #ifndef __SYSTEM_STM32F4XX_H
emilmont 77:869cf507173a 50 #define __SYSTEM_STM32F4XX_H
emilmont 77:869cf507173a 51
emilmont 77:869cf507173a 52 #ifdef __cplusplus
emilmont 77:869cf507173a 53 extern "C" {
emilmont 77:869cf507173a 54 #endif
emilmont 77:869cf507173a 55
emilmont 77:869cf507173a 56 /** @addtogroup STM32F4xx_System_Includes
emilmont 77:869cf507173a 57 * @{
emilmont 77:869cf507173a 58 */
emilmont 77:869cf507173a 59
emilmont 77:869cf507173a 60 /**
emilmont 77:869cf507173a 61 * @}
emilmont 77:869cf507173a 62 */
emilmont 77:869cf507173a 63
emilmont 77:869cf507173a 64
emilmont 77:869cf507173a 65 /** @addtogroup STM32F4xx_System_Exported_types
emilmont 77:869cf507173a 66 * @{
emilmont 77:869cf507173a 67 */
emilmont 77:869cf507173a 68 /* This variable is updated in three ways:
emilmont 77:869cf507173a 69 1) by calling CMSIS function SystemCoreClockUpdate()
emilmont 77:869cf507173a 70 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
emilmont 77:869cf507173a 71 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
emilmont 77:869cf507173a 72 Note: If you use this function to configure the system clock; then there
emilmont 77:869cf507173a 73 is no need to call the 2 first functions listed above, since SystemCoreClock
emilmont 77:869cf507173a 74 variable is updated automatically.
emilmont 77:869cf507173a 75 */
emilmont 77:869cf507173a 76 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
emilmont 77:869cf507173a 77
emilmont 77:869cf507173a 78
emilmont 77:869cf507173a 79 /**
emilmont 77:869cf507173a 80 * @}
emilmont 77:869cf507173a 81 */
emilmont 77:869cf507173a 82
emilmont 77:869cf507173a 83 /** @addtogroup STM32F4xx_System_Exported_Constants
emilmont 77:869cf507173a 84 * @{
emilmont 77:869cf507173a 85 */
emilmont 77:869cf507173a 86
emilmont 77:869cf507173a 87 /**
emilmont 77:869cf507173a 88 * @}
emilmont 77:869cf507173a 89 */
emilmont 77:869cf507173a 90
emilmont 77:869cf507173a 91 /** @addtogroup STM32F4xx_System_Exported_Macros
emilmont 77:869cf507173a 92 * @{
emilmont 77:869cf507173a 93 */
emilmont 77:869cf507173a 94
emilmont 77:869cf507173a 95 /**
emilmont 77:869cf507173a 96 * @}
emilmont 77:869cf507173a 97 */
emilmont 77:869cf507173a 98
emilmont 77:869cf507173a 99 /** @addtogroup STM32F4xx_System_Exported_Functions
emilmont 77:869cf507173a 100 * @{
emilmont 77:869cf507173a 101 */
emilmont 77:869cf507173a 102
emilmont 77:869cf507173a 103 extern void SystemInit(void);
emilmont 77:869cf507173a 104 extern void SystemCoreClockUpdate(void);
bogdanm 84:0b3ab51c8877 105 extern void SetSysClock(void);
bogdanm 84:0b3ab51c8877 106
emilmont 77:869cf507173a 107 /**
emilmont 77:869cf507173a 108 * @}
emilmont 77:869cf507173a 109 */
emilmont 77:869cf507173a 110
emilmont 77:869cf507173a 111 #ifdef __cplusplus
emilmont 77:869cf507173a 112 }
emilmont 77:869cf507173a 113 #endif
emilmont 77:869cf507173a 114
emilmont 77:869cf507173a 115 #endif /*__SYSTEM_STM32F4XX_H */
emilmont 77:869cf507173a 116
emilmont 77:869cf507173a 117 /**
emilmont 77:869cf507173a 118 * @}
emilmont 77:869cf507173a 119 */
emilmont 77:869cf507173a 120
emilmont 77:869cf507173a 121 /**
emilmont 77:869cf507173a 122 * @}
emilmont 77:869cf507173a 123 */
emilmont 77:869cf507173a 124 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/