Takaaki Numai / mbed-dev

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Dependents:   Hobbyking_Cheetah_0511

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/device/system_stm32f4xx.h@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

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NYX 0:85b3fd62ea1a 1 /**
NYX 0:85b3fd62ea1a 2 ******************************************************************************
NYX 0:85b3fd62ea1a 3 * @file system_stm32f4xx.h
NYX 0:85b3fd62ea1a 4 * @author MCD Application Team
NYX 0:85b3fd62ea1a 5 * @version V2.6.1
NYX 0:85b3fd62ea1a 6 * @date 14-February-2017
NYX 0:85b3fd62ea1a 7 * @brief CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
NYX 0:85b3fd62ea1a 8 ******************************************************************************
NYX 0:85b3fd62ea1a 9 * @attention
NYX 0:85b3fd62ea1a 10 *
NYX 0:85b3fd62ea1a 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
NYX 0:85b3fd62ea1a 12 *
NYX 0:85b3fd62ea1a 13 * Redistribution and use in source and binary forms, with or without modification,
NYX 0:85b3fd62ea1a 14 * are permitted provided that the following conditions are met:
NYX 0:85b3fd62ea1a 15 * 1. Redistributions of source code must retain the above copyright notice,
NYX 0:85b3fd62ea1a 16 * this list of conditions and the following disclaimer.
NYX 0:85b3fd62ea1a 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
NYX 0:85b3fd62ea1a 18 * this list of conditions and the following disclaimer in the documentation
NYX 0:85b3fd62ea1a 19 * and/or other materials provided with the distribution.
NYX 0:85b3fd62ea1a 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
NYX 0:85b3fd62ea1a 21 * may be used to endorse or promote products derived from this software
NYX 0:85b3fd62ea1a 22 * without specific prior written permission.
NYX 0:85b3fd62ea1a 23 *
NYX 0:85b3fd62ea1a 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
NYX 0:85b3fd62ea1a 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
NYX 0:85b3fd62ea1a 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
NYX 0:85b3fd62ea1a 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
NYX 0:85b3fd62ea1a 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
NYX 0:85b3fd62ea1a 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
NYX 0:85b3fd62ea1a 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
NYX 0:85b3fd62ea1a 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
NYX 0:85b3fd62ea1a 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
NYX 0:85b3fd62ea1a 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
NYX 0:85b3fd62ea1a 34 *
NYX 0:85b3fd62ea1a 35 ******************************************************************************
NYX 0:85b3fd62ea1a 36 */
NYX 0:85b3fd62ea1a 37
NYX 0:85b3fd62ea1a 38 /** @addtogroup CMSIS
NYX 0:85b3fd62ea1a 39 * @{
NYX 0:85b3fd62ea1a 40 */
NYX 0:85b3fd62ea1a 41
NYX 0:85b3fd62ea1a 42 /** @addtogroup stm32f4xx_system
NYX 0:85b3fd62ea1a 43 * @{
NYX 0:85b3fd62ea1a 44 */
NYX 0:85b3fd62ea1a 45
NYX 0:85b3fd62ea1a 46 /**
NYX 0:85b3fd62ea1a 47 * @brief Define to prevent recursive inclusion
NYX 0:85b3fd62ea1a 48 */
NYX 0:85b3fd62ea1a 49 #ifndef __SYSTEM_STM32F4XX_H
NYX 0:85b3fd62ea1a 50 #define __SYSTEM_STM32F4XX_H
NYX 0:85b3fd62ea1a 51
NYX 0:85b3fd62ea1a 52 #ifdef __cplusplus
NYX 0:85b3fd62ea1a 53 extern "C" {
NYX 0:85b3fd62ea1a 54 #endif
NYX 0:85b3fd62ea1a 55
NYX 0:85b3fd62ea1a 56 /** @addtogroup STM32F4xx_System_Includes
NYX 0:85b3fd62ea1a 57 * @{
NYX 0:85b3fd62ea1a 58 */
NYX 0:85b3fd62ea1a 59
NYX 0:85b3fd62ea1a 60 /**
NYX 0:85b3fd62ea1a 61 * @}
NYX 0:85b3fd62ea1a 62 */
NYX 0:85b3fd62ea1a 63
NYX 0:85b3fd62ea1a 64
NYX 0:85b3fd62ea1a 65 /** @addtogroup STM32F4xx_System_Exported_types
NYX 0:85b3fd62ea1a 66 * @{
NYX 0:85b3fd62ea1a 67 */
NYX 0:85b3fd62ea1a 68 /* This variable is updated in three ways:
NYX 0:85b3fd62ea1a 69 1) by calling CMSIS function SystemCoreClockUpdate()
NYX 0:85b3fd62ea1a 70 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
NYX 0:85b3fd62ea1a 71 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
NYX 0:85b3fd62ea1a 72 Note: If you use this function to configure the system clock; then there
NYX 0:85b3fd62ea1a 73 is no need to call the 2 first functions listed above, since SystemCoreClock
NYX 0:85b3fd62ea1a 74 variable is updated automatically.
NYX 0:85b3fd62ea1a 75 */
NYX 0:85b3fd62ea1a 76 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
NYX 0:85b3fd62ea1a 77
NYX 0:85b3fd62ea1a 78 extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
NYX 0:85b3fd62ea1a 79 extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */
NYX 0:85b3fd62ea1a 80
NYX 0:85b3fd62ea1a 81 /**
NYX 0:85b3fd62ea1a 82 * @}
NYX 0:85b3fd62ea1a 83 */
NYX 0:85b3fd62ea1a 84
NYX 0:85b3fd62ea1a 85 /** @addtogroup STM32F4xx_System_Exported_Constants
NYX 0:85b3fd62ea1a 86 * @{
NYX 0:85b3fd62ea1a 87 */
NYX 0:85b3fd62ea1a 88
NYX 0:85b3fd62ea1a 89 /**
NYX 0:85b3fd62ea1a 90 * @}
NYX 0:85b3fd62ea1a 91 */
NYX 0:85b3fd62ea1a 92
NYX 0:85b3fd62ea1a 93 /** @addtogroup STM32F4xx_System_Exported_Macros
NYX 0:85b3fd62ea1a 94 * @{
NYX 0:85b3fd62ea1a 95 */
NYX 0:85b3fd62ea1a 96
NYX 0:85b3fd62ea1a 97 /**
NYX 0:85b3fd62ea1a 98 * @}
NYX 0:85b3fd62ea1a 99 */
NYX 0:85b3fd62ea1a 100
NYX 0:85b3fd62ea1a 101 /** @addtogroup STM32F4xx_System_Exported_Functions
NYX 0:85b3fd62ea1a 102 * @{
NYX 0:85b3fd62ea1a 103 */
NYX 0:85b3fd62ea1a 104
NYX 0:85b3fd62ea1a 105 extern void SystemInit(void);
NYX 0:85b3fd62ea1a 106 extern void SystemCoreClockUpdate(void);
NYX 0:85b3fd62ea1a 107 extern void SetSysClock(void);
NYX 0:85b3fd62ea1a 108 /**
NYX 0:85b3fd62ea1a 109 * @}
NYX 0:85b3fd62ea1a 110 */
NYX 0:85b3fd62ea1a 111
NYX 0:85b3fd62ea1a 112 #ifdef __cplusplus
NYX 0:85b3fd62ea1a 113 }
NYX 0:85b3fd62ea1a 114 #endif
NYX 0:85b3fd62ea1a 115
NYX 0:85b3fd62ea1a 116 #endif /*__SYSTEM_STM32F4XX_H */
NYX 0:85b3fd62ea1a 117
NYX 0:85b3fd62ea1a 118 /**
NYX 0:85b3fd62ea1a 119 * @}
NYX 0:85b3fd62ea1a 120 */
NYX 0:85b3fd62ea1a 121
NYX 0:85b3fd62ea1a 122 /**
NYX 0:85b3fd62ea1a 123 * @}
NYX 0:85b3fd62ea1a 124 */
NYX 0:85b3fd62ea1a 125 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/