EFM32 Wonder Gecko Software Documentation  efm32wg-doc-5.1.2
em_vcmp.h File Reference

Detailed Description

Voltage Comparator (VCMP) peripheral API.

Version
5.1.2

License

Copyright 2016 Silicon Laboratories, Inc. 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_vcmp.h.

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

Go to the source code of this file.

Data Structures

struct  VCMP_Init_TypeDef
 

Macros

#define VCMP_INIT_DEFAULT
 

Enumerations

enum  VCMP_Hysteresis_TypeDef {
  vcmpHystNone,
  vcmpHyst20mV
}
 
enum  VCMP_WarmTime_TypeDef {
  vcmpWarmTime4Cycles = _VCMP_CTRL_WARMTIME_4CYCLES,
  vcmpWarmTime8Cycles = _VCMP_CTRL_WARMTIME_8CYCLES,
  vcmpWarmTime16Cycles = _VCMP_CTRL_WARMTIME_16CYCLES,
  vcmpWarmTime32Cycles = _VCMP_CTRL_WARMTIME_32CYCLES,
  vcmpWarmTime64Cycles = _VCMP_CTRL_WARMTIME_64CYCLES,
  vcmpWarmTime128Cycles = _VCMP_CTRL_WARMTIME_128CYCLES,
  vcmpWarmTime256Cycles = _VCMP_CTRL_WARMTIME_256CYCLES,
  vcmpWarmTime512Cycles = _VCMP_CTRL_WARMTIME_512CYCLES
}
 

Functions

__STATIC_INLINE void VCMP_Disable (void)
 Disable Voltage Comparator.
 
__STATIC_INLINE void VCMP_Enable (void)
 Enable Voltage Comparator.
 
void VCMP_Init (const VCMP_Init_TypeDef *vcmpInit)
 Configure and enable Voltage Comparator. More...
 
__STATIC_INLINE void VCMP_IntClear (uint32_t flags)
 Clear one or more pending VCMP interrupts. More...
 
__STATIC_INLINE void VCMP_IntDisable (uint32_t flags)
 Disable one or more VCMP interrupts. More...
 
__STATIC_INLINE void VCMP_IntEnable (uint32_t flags)
 Enable one or more VCMP interrupts. More...
 
__STATIC_INLINE uint32_t VCMP_IntGet (void)
 Get pending VCMP interrupt flags. More...
 
__STATIC_INLINE uint32_t VCMP_IntGetEnabled (void)
 Get enabled and pending VCMP interrupt flags. More...
 
__STATIC_INLINE void VCMP_IntSet (uint32_t flags)
 Set one or more pending VCMP interrupts from SW. More...
 
void VCMP_LowPowerRefSet (bool enable)
 Enable or disable Low Power Reference setting. More...
 
__STATIC_INLINE bool VCMP_Ready (void)
 VCMP output is ready.
 
void VCMP_TriggerSet (int level)
 Configure trigger level of voltage comparator. More...
 
__STATIC_INLINE bool VCMP_VDDHigher (void)
 Returns true, if Voltage Comparator indicated VDD > trigger level, else false.
 
__STATIC_INLINE bool VCMP_VDDLower (void)
 Returns true, if Voltage Comparator indicated VDD < trigger level, else false.
 
__STATIC_INLINE uint32_t VCMP_VoltageToLevel (float v)
 Calculate voltage to trigger level. More...