EU1KY AA FW
system_stm32f7xx.h
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1 
49 #ifndef __SYSTEM_STM32F7XX_H
50 #define __SYSTEM_STM32F7XX_H
51 
52 #ifdef __cplusplus
53  extern "C" {
54 #endif
55 
68  /* The SystemCoreClock variable is updated in three ways:
69  1) by calling CMSIS function SystemCoreClockUpdate()
70  2) by calling HAL API function HAL_RCC_GetSysClockFreq()
71  3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
72  Note: If you use this function to configure the system clock; then there
73  is no need to call the 2 first functions listed above, since SystemCoreClock
74  variable is updated automatically.
75  */
76 extern uint32_t SystemCoreClock;
78 extern const uint8_t AHBPrescTable[16];
79 extern const uint8_t APBPrescTable[8];
106 extern void SystemInit(void);
107 extern void SystemCoreClockUpdate(void);
112 #ifdef __cplusplus
113 }
114 #endif
115 
116 #endif /*__SYSTEM_STM32F7XX_H */
117 
125 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
void SystemInit(void)
Setup the microcontroller system Initialize the Embedded Flash Interface, the PLL and update the Syst...
Definition: system_stm32f7xx.c:153
const uint8_t AHBPrescTable[16]
Definition: system_stm32f7xx.c:127
void SystemCoreClockUpdate(void)
Update SystemCoreClock variable according to Clock Register Values. The SystemCoreClock variable cont...
Definition: system_stm32f7xx.c:222
const uint8_t APBPrescTable[8]
Definition: system_stm32f7xx.c:128
uint32_t SystemCoreClock
Definition: system_stm32f7xx.c:126