EFM32 Pearl Gecko Software Documentation  efm32pg1-doc-4.2.1
em_emu.c File Reference

Energy Management Unit (EMU) Peripheral API. More...

#include <limits.h>
#include "em_emu.h"
#include "em_cmu.h"
#include "em_system.h"
#include "em_assert.h"

Go to the source code of this file.

Macros

#define PWRCFG_DCDCTODVDD_VMIN   1200
 
#define PWRCFG_DCDCTODVDD_VMAX   3000
 

Enumerations

enum  errataFixDcdcHs_TypeDef {
  errataFixDcdcHsInit,
  errataFixDcdcHsTrimSet,
  errataFixDcdcHsLnWaitDone
}
 

Functions

void EMU_EnterEM2 (bool restore)
 Enter energy mode 2 (EM2). More...
 
void EMU_EnterEM3 (bool restore)
 Enter energy mode 3 (EM3). More...
 
void EMU_EnterEM4 (void)
 Enter energy mode 4 (EM4). More...
 
void EMU_MemPwrDown (uint32_t blocks)
 Power down memory block. More...
 
void EMU_UpdateOscConfig (void)
 Update EMU module with CMU oscillator selection/enable status. More...
 
void EMU_EM23Init (EMU_EM23Init_TypeDef *em23Init)
 Update EMU module with Energy Mode 2 and 3 configuration. More...
 
void EMU_EM4Init (EMU_EM4Init_TypeDef *em4Init)
 Update EMU module with Energy Mode 4 configuration. More...
 
void EMU_DCDCModeSet (EMU_DcdcMode_TypeDef dcdcMode)
 Set DCDC regulator operating mode. More...
 
bool EMU_DCDCInit (EMU_DCDCInit_TypeDef *dcdcInit)
 Configure DCDC regulator. More...
 
bool EMU_DCDCOutputVoltageSet (uint32_t mV, bool setLpVoltage, bool setLnVoltage)
 Set DCDC output voltage. More...
 
void EMU_DCDCOptimizeSlice (uint32_t mAEm0LoadCurrent)
 Optimize DCDC slice count based on the estimated average load current in EM0. More...
 
void EMU_DCDCLnRcoBandSet (EMU_DcdcLnRcoBand_TypeDef band)
 Set DCDC Low-noise RCO band. More...
 
bool EMU_DCDCPowerOff (void)
 Power off the DCDC regulator. More...
 
void EMU_VmonInit (EMU_VmonInit_TypeDef *vmonInit)
 Initialize VMON channel. More...
 
void EMU_VmonHystInit (EMU_VmonHystInit_TypeDef *vmonInit)
 Initialize VMON channel with hysteresis (separate rise and fall triggers). More...
 
void EMU_VmonEnable (EMU_VmonChannel_TypeDef channel, bool enable)
 Enable or disable a VMON channel. More...
 
bool EMU_VmonChannelStatusGet (EMU_VmonChannel_TypeDef channel)
 Get the status of a voltage monitor channel. More...
 

Variables

errataFixDcdcHs_TypeDef errataFixDcdcHsState = errataFixDcdcHsInit
 

Detailed Description

Version
4.2.1

License

(C) Copyright 2015 Silicon Labs, http://www.silabs.com

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software.
  2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.

DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no obligation to support this Software. Silicon Labs is providing the Software "AS IS", with no express or implied warranties of any kind, including, but not limited to, any implied warranties of merchantability or fitness for any particular purpose or warranties against infringement of any proprietary rights of a third party.

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_emu.c.