src/main/startup/system_stm32h7xx.h

   1 /**
   2   ******************************************************************************
   3   * @file    system_stm32h7xx.h
   4   * @author  MCD Application Team
   5   * @brief   CMSIS Cortex-Mx Device System Source File for STM32H7xx devices.
   6   ******************************************************************************
   7   * @attention
   8   *
   9   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10   *
  11   * Redistribution and use in source and binary forms, with or without modification,
  12   * are permitted provided that the following conditions are met:
  13   *   1. Redistributions of source code must retain the above copyright notice,
  14   *      this list of conditions and the following disclaimer.
  15   *   2. Redistributions in binary form must reproduce the above copyright notice,
  16   *      this list of conditions and the following disclaimer in the documentation
  17   *      and/or other materials provided with the distribution.
  18   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  19   *      may be used to endorse or promote products derived from this software
  20   *      without specific prior written permission.
  21   *
  22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32   *
  33   ******************************************************************************
  34   */
  35
  36 /** @addtogroup CMSIS
  37   * @{
  38   */
  39
  40 /** @addtogroup stm32h7xx_system
  41   * @{
  42   */
  43
  44 /**
  45   * @brief Define to prevent recursive inclusion
  46   */
  47 #ifndef SYSTEM_STM32H7XX_H
  48 #define SYSTEM_STM32H7XX_H
  49
  50 #ifdef __cplusplus
  51  extern "C" {
  52 #endif
  53
  54 /** @addtogroup STM32H7xx_System_Includes
  55   * @{
  56   */
  57
  58 /**
  59   * @}
  60   */
  61
  62
  63 /** @addtogroup STM32H7xx_System_Exported_types
  64   * @{
  65   */
  66   /* This variable is updated in three ways:
  67       1) by calling CMSIS function SystemCoreClockUpdate()
  68       2) by calling HAL API function HAL_RCC_GetSysClockFreq()
  69       3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
  70          Note: If you use this function to configure the system clock; then there
  71                is no need to call the 2 first functions listed above, since SystemCoreClock
  72                variable is updated automatically.
  73   */
  74 extern uint32_t SystemCoreClock;             /*!< System Domain1 Clock Frequency  */
  75 extern uint32_t SystemD2Clock;               /*!< System Domain2 Clock Frequency  */
  76 extern const  uint8_t D1CorePrescTable[16] ; /*!< D1CorePrescTable prescalers table values */
  77
  78 /**
  79   * @}
  80   */
  81
  82 /** @addtogroup STM32H7xx_System_Exported_Constants
  83   * @{
  84   */
  85
  86 /**
  87   * @}
  88   */
  89
  90 /** @addtogroup STM32H7xx_System_Exported_Macros
  91   * @{
  92   */
  93
  94 /**
  95   * @}
  96   */
  97
  98 /** @addtogroup STM32H7xx_System_Exported_Functions
  99   * @{
 100   */
 101
 102 extern void SystemInit(void);
 103 extern void SystemCoreClockUpdate(void);
 104 /**
 105   * @}
 106   */
 107
 108 #ifdef __cplusplus
 109 }
 110 #endif
 111
 112 #endif /* SYSTEM_STM32H7XX_H */
 113
 114 /**
 115   * @}
 116   */
 117
 118 /**
 119   * @}
 120   */
 121 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/