system_ezr32wg.c File Reference

CMSIS Cortex-M4 System Layer for EZR32WG devices.

Version
5.4.0

License

Copyright 2017 Silicon Laboratories, Inc. www.silabs.com

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Definition in file system_ezr32wg.c .

#include <stdint.h>
#include " em_device.h "

Macros

#define EFM32_HFRCO_MAX_FREQ (28000000UL)
#define EFM32_HFXO_FREQ (48000000UL)
#define EFM32_LFRCO_FREQ (32768UL)
#define EFM32_LFXO_FREQ ( EFM32_LFRCO_FREQ )
#define EFM32_ULFRCO_FREQ (1000UL)

Functions

__STATIC_INLINE uint8_t GetProdRev (void)
uint32_t SystemCoreClockGet (void)
Get the current core clock frequency.
uint32_t SystemHFClockGet (void)
Get the current HFCLK frequency.
uint32_t SystemHFXOClockGet (void)
Get high frequency crystal oscillator clock frequency for target system.
void SystemHFXOClockSet (uint32_t freq)
Set high frequency crystal oscillator clock frequency for target system.
void SystemInit (void)
Initialize the system.
uint32_t SystemLFRCOClockGet (void)
Get low frequency RC oscillator clock frequency for target system.
uint32_t SystemLFXOClockGet (void)
Get low frequency crystal oscillator clock frequency for target system.
void SystemLFXOClockSet (uint32_t freq)
Set low frequency crystal oscillator clock frequency for target system.
uint32_t SystemMaxCoreClockGet (void)
Get the maximum core clock frequency.
uint32_t SystemULFRCOClockGet (void)
Get ultra low frequency RC oscillator clock frequency for target system.

Variables

uint32_t SystemCoreClock = 14000000UL
System System Clock Frequency (Core Clock).

Macro Definition Documentation

#define EFM32_HFRCO_MAX_FREQ   (28000000UL)

Maximum HFRCO frequency.

Definition at line 63 of file system_ezr32wg.c .

Referenced by SystemMaxCoreClockGet() .

#define EFM32_HFXO_FREQ   (48000000UL)

HFXO frequency.

Definition at line 59 of file system_ezr32wg.c .

Referenced by SystemMaxCoreClockGet() .

#define EFM32_LFRCO_FREQ   (32768UL)

LFRCO frequency, tuned to below frequency during manufacturing.

Definition at line 41 of file system_ezr32wg.c .

Referenced by SystemHFClockGet() , and SystemLFRCOClockGet() .

#define EFM32_LFXO_FREQ   ( EFM32_LFRCO_FREQ )

(DO_NOT_INCLUDE_WITH_DOXYGEN) LFXO frequency.

Definition at line 75 of file system_ezr32wg.c .

#define EFM32_ULFRCO_FREQ   (1000UL)

ULFRCO frequency.

Definition at line 43 of file system_ezr32wg.c .

Referenced by SystemULFRCOClockGet() .

Function Documentation

__STATIC_INLINE uint8_t GetProdRev ( void )

(DO_NOT_INCLUDE_WITH_DOXYGEN)

Definition at line 87 of file system_ezr32wg.c .

References _DEVINFO_PART_PROD_REV_MASK , _DEVINFO_PART_PROD_REV_SHIFT , and DEVINFO .

Referenced by SystemHFClockGet() .