EFR32 Blue Gecko 1 Software Documentation  efr32bg1-doc-5.1.2
em_pcnt.h File Reference

Detailed Description

Pulse Counter (PCNT) 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_pcnt.h.

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

Go to the source code of this file.

Data Structures

struct  PCNT_Filter_TypeDef
 
struct  PCNT_Init_TypeDef
 
struct  PCNT_TCC_TypeDef
 

Macros

#define PCNT0_CNT_SIZE   (16) /* PCNT0 counter is 16 bits. */
 
#define PCNT_FILTER_DEFAULT
 
#define PCNT_INIT_DEFAULT
 
#define PCNT_TCC_DEFAULT
 

Enumerations

enum  PCNT_CntEvent_TypeDef {
  pcntCntEventBoth = _PCNT_CTRL_CNTEV_BOTH,
  pcntCntEventUp = _PCNT_CTRL_CNTEV_UP,
  pcntCntEventDown = _PCNT_CTRL_CNTEV_DOWN,
  pcntCntEventNone = _PCNT_CTRL_CNTEV_NONE
}
 
enum  PCNT_Mode_TypeDef {
  pcntModeDisable = _PCNT_CTRL_MODE_DISABLE,
  pcntModeOvsSingle = _PCNT_CTRL_MODE_OVSSINGLE,
  pcntModeExtSingle = _PCNT_CTRL_MODE_EXTCLKSINGLE,
  pcntModeExtQuad = _PCNT_CTRL_MODE_EXTCLKQUAD,
  pcntModeOvsQuad1 = _PCNT_CTRL_MODE_OVSQUAD1X,
  pcntModeOvsQuad2 = _PCNT_CTRL_MODE_OVSQUAD2X,
  pcntModeOvsQuad4 = _PCNT_CTRL_MODE_OVSQUAD4X
}
 
enum  PCNT_PRSInput_TypeDef {
  pcntPRSInputS0 = 0,
  pcntPRSInputS1 = 1
}
 
enum  PCNT_PRSSel_TypeDef {
  pcntPRSCh0 = 0,
  pcntPRSCh1 = 1,
  pcntPRSCh2 = 2,
  pcntPRSCh3 = 3,
  pcntPRSCh4 = 4,
  pcntPRSCh5 = 5,
  pcntPRSCh6 = 6,
  pcntPRSCh7 = 7,
  pcntPRSCh8 = 8,
  pcntPRSCh9 = 9,
  pcntPRSCh10 = 10,
  pcntPRSCh11 = 11
}
 
enum  PCNT_TCCComp_Typedef {
  tccCompLTOE = _PCNT_CTRL_TCCCOMP_LTOE,
  tccCompGTOE = _PCNT_CTRL_TCCCOMP_GTOE,
  tccCompRange = _PCNT_CTRL_TCCCOMP_RANGE
}
 
enum  PCNT_TCCMode_TypeDef {
  tccModeDisabled = _PCNT_CTRL_TCCMODE_DISABLED,
  tccModeLFA = _PCNT_CTRL_TCCMODE_LFA,
  tccModePRS = _PCNT_CTRL_TCCMODE_PRS
}
 
enum  PCNT_TCCPresc_Typedef {
  tccPrescDiv1 = _PCNT_CTRL_TCCPRESC_DIV1,
  tccPrescDiv2 = _PCNT_CTRL_TCCPRESC_DIV2,
  tccPrescDiv4 = _PCNT_CTRL_TCCPRESC_DIV4,
  tccPrescDiv8 = _PCNT_CTRL_TCCPRESC_DIV8
}
 

Functions

__STATIC_INLINE uint32_t PCNT_AuxCounterGet (PCNT_TypeDef *pcnt)
 Get auxiliary counter value. More...
 
__STATIC_INLINE uint32_t PCNT_CounterGet (PCNT_TypeDef *pcnt)
 Get pulse counter value. More...
 
void PCNT_CounterReset (PCNT_TypeDef *pcnt)
 Reset PCNT counters and TOP register. More...
 
__STATIC_INLINE void PCNT_CounterSet (PCNT_TypeDef *pcnt, uint32_t count)
 Set counter value. More...
 
void PCNT_CounterTopSet (PCNT_TypeDef *pcnt, uint32_t count, uint32_t top)
 Set counter and top values. More...
 
void PCNT_Enable (PCNT_TypeDef *pcnt, PCNT_Mode_TypeDef mode)
 Set PCNT operational mode. More...
 
void PCNT_FilterConfiguration (PCNT_TypeDef *pcnt, const PCNT_Filter_TypeDef *config, bool enable)
 Set filter configuration. More...
 
void PCNT_FreezeEnable (PCNT_TypeDef *pcnt, bool enable)
 PCNT register synchronization freeze control. More...
 
void PCNT_Init (PCNT_TypeDef *pcnt, const PCNT_Init_TypeDef *init)
 Init pulse counter. More...
 
__STATIC_INLINE void PCNT_IntClear (PCNT_TypeDef *pcnt, uint32_t flags)
 Clear one or more pending PCNT interrupts. More...
 
__STATIC_INLINE void PCNT_IntDisable (PCNT_TypeDef *pcnt, uint32_t flags)
 Disable one or more PCNT interrupts. More...
 
__STATIC_INLINE void PCNT_IntEnable (PCNT_TypeDef *pcnt, uint32_t flags)
 Enable one or more PCNT interrupts. More...
 
__STATIC_INLINE uint32_t PCNT_IntGet (PCNT_TypeDef *pcnt)
 Get pending PCNT interrupt flags. More...
 
__STATIC_INLINE uint32_t PCNT_IntGetEnabled (PCNT_TypeDef *pcnt)
 Get enabled and pending PCNT interrupt flags. More...
 
__STATIC_INLINE void PCNT_IntSet (PCNT_TypeDef *pcnt, uint32_t flags)
 Set one or more pending PCNT interrupts from SW. More...
 
void PCNT_PRSInputEnable (PCNT_TypeDef *pcnt, PCNT_PRSInput_TypeDef prsInput, bool enable)
 Enable/disable the selected PRS input of PCNT. More...
 
void PCNT_Reset (PCNT_TypeDef *pcnt)
 Reset PCNT to same state as after a HW reset. More...
 
void PCNT_TCCConfiguration (PCNT_TypeDef *pcnt, const PCNT_TCC_TypeDef *config)
 Set Triggered Compare and Clear configuration. More...
 
__STATIC_INLINE uint32_t PCNT_TopBufferGet (PCNT_TypeDef *pcnt)
 Get pulse counter top buffer value. More...
 
void PCNT_TopBufferSet (PCNT_TypeDef *pcnt, uint32_t val)
 Set top buffer value. More...
 
__STATIC_INLINE uint32_t PCNT_TopGet (PCNT_TypeDef *pcnt)
 Get pulse counter top value. More...
 
void PCNT_TopSet (PCNT_TypeDef *pcnt, uint32_t val)
 Set top value. More...