EFR32 Blue Gecko 13 Software Documentation
efr32bg13-doc-5.1.2
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Clock management unit (CMU) Peripheral API.
Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com
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Silicon Labs will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.
Definition in file em_cmu.c.
#include "em_cmu.h"
#include <stddef.h>
#include <limits.h>
#include "em_assert.h"
#include "em_bus.h"
#include "em_emu.h"
#include "em_system.h"
#include "em_common.h"
Go to the source code of this file.
Functions | |
CMU_AUXHFRCOFreq_TypeDef | CMU_AUXHFRCOBandGet (void) |
Get current AUXHFRCO frequency. More... | |
void | CMU_AUXHFRCOBandSet (CMU_AUXHFRCOFreq_TypeDef setFreq) |
Set AUXHFRCO calibration for the selected target frequency. More... | |
static uint32_t | CMU_AUXHFRCODevinfoGet (CMU_AUXHFRCOFreq_TypeDef freq) |
Get a pointer to the AUXHFRCO frequency calibration word in DEVINFO. More... | |
uint32_t | CMU_Calibrate (uint32_t HFCycles, CMU_Osc_TypeDef ref) |
Calibrate clock. More... | |
void | CMU_CalibrateConfig (uint32_t downCycles, CMU_Osc_TypeDef downSel, CMU_Osc_TypeDef upSel) |
Configure clock calibration. More... | |
uint32_t | CMU_CalibrateCountGet (void) |
Get calibration count register. More... | |
CMU_ClkDiv_TypeDef | CMU_ClockDivGet (CMU_Clock_TypeDef clock) |
Get clock divisor/prescaler. More... | |
void | CMU_ClockDivSet (CMU_Clock_TypeDef clock, CMU_ClkDiv_TypeDef div) |
Set clock divisor/prescaler. More... | |
void | CMU_ClockEnable (CMU_Clock_TypeDef clock, bool enable) |
Enable/disable a clock. More... | |
uint32_t | CMU_ClockFreqGet (CMU_Clock_TypeDef clock) |
Get clock frequency for a clock point. More... | |
uint32_t | CMU_ClockPrescGet (CMU_Clock_TypeDef clock) |
Get clock prescaler. More... | |
void | CMU_ClockPrescSet (CMU_Clock_TypeDef clock, CMU_ClkPresc_TypeDef presc) |
Set clock prescaler. More... | |
CMU_Select_TypeDef | CMU_ClockSelectGet (CMU_Clock_TypeDef clock) |
Get currently selected reference clock used for a clock branch. More... | |
void | CMU_ClockSelectSet (CMU_Clock_TypeDef clock, CMU_Select_TypeDef ref) |
Select reference clock/oscillator used for a clock branch. More... | |
void | CMU_FreezeEnable (bool enable) |
CMU low frequency register synchronization freeze control. More... | |
CMU_HFRCOFreq_TypeDef | CMU_HFRCOBandGet (void) |
Get current HFRCO frequency. More... | |
void | CMU_HFRCOBandSet (CMU_HFRCOFreq_TypeDef setFreq) |
Set HFRCO calibration for the selected target frequency. More... | |
static uint32_t | CMU_HFRCODevinfoGet (CMU_HFRCOFreq_TypeDef freq) |
Get a pointer to the HFRCO frequency calibration word in DEVINFO. More... | |
void | CMU_HFXOAutostartEnable (uint32_t userSel, bool enEM0EM1Start, bool enEM0EM1StartSel) |
Enable or disable HFXO autostart. More... | |
void | CMU_HFXOInit (const CMU_HFXOInit_TypeDef *hfxoInit) |
Set HFXO control registers. More... | |
uint32_t | CMU_LCDClkFDIVGet (void) |
Get the LCD framerate divisor (FDIV) setting. More... | |
void | CMU_LCDClkFDIVSet (uint32_t div) |
Set the LCD framerate divisor (FDIV) setting. More... | |
void | CMU_LFXOInit (const CMU_LFXOInit_TypeDef *lfxoInit) |
Set LFXO control registers. More... | |
void | CMU_OscillatorEnable (CMU_Osc_TypeDef osc, bool enable, bool wait) |
Enable/disable oscillator. More... | |
uint32_t | CMU_OscillatorTuningGet (CMU_Osc_TypeDef osc) |
Get oscillator frequency tuning setting. More... | |
bool | CMU_OscillatorTuningOptimize (CMU_Osc_TypeDef osc, CMU_HFXOTuningMode_TypeDef mode, bool wait) |
Start and optionally wait for oscillator tuning optimization. More... | |
void | CMU_OscillatorTuningSet (CMU_Osc_TypeDef osc, uint32_t val) |
Set the oscillator frequency tuning control. More... | |
bool | CMU_OscillatorTuningWait (CMU_Osc_TypeDef osc, CMU_HFXOTuningMode_TypeDef mode) |
Wait for oscillator tuning optimization. More... | |
bool | CMU_PCNTClockExternalGet (unsigned int instance) |
Determine if currently selected PCNTn clock used is external or LFBCLK. More... | |
void | CMU_PCNTClockExternalSet (unsigned int instance, bool external) |
Select PCNTn clock. More... | |