RTEMS 6.1-rc1
system_stm32h7xx.h
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1
30#ifndef SYSTEM_STM32H7XX_H
31#define SYSTEM_STM32H7XX_H
32
33#ifdef __cplusplus
34 extern "C" {
35#endif
36
49 /* This variable is updated in three ways:
50 1) by calling CMSIS function SystemCoreClockUpdate()
51 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
52 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
53 Note: If you use this function to configure the system clock; then there
54 is no need to call the 2 first functions listed above, since SystemCoreClock
55 variable is updated automatically.
56 */
57extern uint32_t SystemCoreClock;
58extern uint32_t SystemD2Clock;
59extern const uint8_t D1CorePrescTable[16] ;
85extern void SystemInit(void);
86extern void SystemCoreClockUpdate(void);
91#ifdef __cplusplus
92}
93#endif
94
95#endif /* SYSTEM_STM32H7XX_H */
96
void SystemInit(void)
Setup the microcontroller system. Initialize the System and update the SystemFrequency variable.
Definition: system_samv71.c:82
void SystemCoreClockUpdate(void)
Update SystemCoreClock variable according to Clock Register Values. The SystemCoreClock variable cont...
Definition: system_samv71.c:158
uint32_t SystemD2Clock
Definition: system_stm32h7xx.c:122
uint32_t SystemCoreClock
System clock frequency (core clock)
Definition: system_samv71.c:69
const uint8_t D1CorePrescTable[16]
Definition: system_stm32h7xx.c:127