rt-thread-official/bsp/swm320/libraries/CMSIS/DeviceSupport/system_SWM320.h

33 lines
574 B
C
Raw Normal View History

2021-02-18 13:29:12 +08:00
#ifndef __SYSTEM_SWM320_H__
#define __SYSTEM_SWM320_H__
#ifdef __cplusplus
2021-05-06 10:10:29 +08:00
extern "C" {
2021-02-18 13:29:12 +08:00
#endif
2021-05-06 10:10:29 +08:00
extern uint32_t SystemCoreClock; // System Clock Frequency (Core Clock)
extern uint32_t CyclesPerUs; // Cycles per micro second
2021-02-18 13:29:12 +08:00
2021-05-06 10:10:29 +08:00
extern void SystemInit(void);
extern void SystemCoreClockUpdate (void);
extern void switchCLK_20MHz(void);
extern void switchCLK_40MHz(void);
extern void switchCLK_32KHz(void);
extern void switchCLK_XTAL(void);
extern void switchCLK_PLL(void);
extern void PLLInit(void);
2021-02-18 13:29:12 +08:00
#ifdef __cplusplus
}
#endif
#endif //__SYSTEM_SWM320_H__