system_stm32h7xx.h

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#ifndef SYSTEM_STM32H7XX_H
#define SYSTEM_STM32H7XX_H
 
#ifdef __cplusplus
 extern "C" {
#endif
 
  /* This variable is updated in three ways:
      1) by calling CMSIS function SystemCoreClockUpdate()
      2) by calling HAL API function HAL_RCC_GetSysClockFreq()
      3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
         Note: If you use this function to configure the system clock; then there
               is no need to call the 2 first functions listed above, since SystemCoreClock
               variable is updated automatically.
  */
extern uint32_t SystemCoreClock;             
extern uint32_t SystemD2Clock;               
extern const  uint8_t D1CorePrescTable[16] ; 
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
#ifdef __cplusplus
}
#endif
 
#endif /* SYSTEM_STM32H7XX_H */
 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/