Description

Pulse Counter (PCNT) Peripheral API.

This module contains functions to control the PCNT peripheral of Silicon Labs 32-bit MCUs and SoCs. The PCNT decodes incoming pulses. The module has a quadrature mode which may be used to decode the speed and direction of a mechanical shaft.

Data Structures
struct	PCNT_Init_TypeDef
	Initialization structure.

Functions
uint32_t	PCNT_CounterGet (PCNT_TypeDef *pcnt)
	Default configuration for PCNT initialization structure.

uint32_t	PCNT_AuxCounterGet (PCNT_TypeDef *pcnt)
	Get auxiliary counter value.

void	PCNT_CounterReset (PCNT_TypeDef *pcnt)
	Reset PCNT counters and TOP register.

void	PCNT_CounterTopSet (PCNT_TypeDef *pcnt, uint32_t count, uint32_t top)
	Set the counter and top values.

void	PCNT_CounterSet (PCNT_TypeDef *pcnt, uint32_t count)
	Set counter value.

void	PCNT_Enable (PCNT_TypeDef *pcnt, PCNT_Mode_TypeDef mode)
	Set PCNT operational mode.

bool	PCNT_IsEnabled (PCNT_TypeDef *pcnt)
	Returns if the PCNT module is enabled or not.

void	PCNT_FreezeEnable (PCNT_TypeDef *pcnt, bool enable)
	PCNT register synchronization freeze control.

void	PCNT_Init (PCNT_TypeDef pcnt, const PCNT_Init_TypeDef init)
	Initialize the pulse counter.

void	PCNT_PRSInputEnable (PCNT_TypeDef *pcnt, PCNT_PRSInput_TypeDef prsInput, bool enable)
	Enable/disable the selected PRS input of PCNT.

void	PCNT_IntClear (PCNT_TypeDef *pcnt, uint32_t flags)
	Clear one or more pending PCNT interrupts.

void	PCNT_IntDisable (PCNT_TypeDef *pcnt, uint32_t flags)
	Disable one or more PCNT interrupts.

void	PCNT_IntEnable (PCNT_TypeDef *pcnt, uint32_t flags)
	Enable one or more PCNT interrupts.

uint32_t	PCNT_IntGet (PCNT_TypeDef *pcnt)
	Get pending PCNT interrupt flags.

uint32_t	PCNT_IntGetEnabled (PCNT_TypeDef *pcnt)
	Get enabled and pending PCNT interrupt flags.

void	PCNT_IntSet (PCNT_TypeDef *pcnt, uint32_t flags)
	Set one or more pending PCNT interrupts from SW.

void	PCNT_Reset (PCNT_TypeDef *pcnt)
	Reset PCNT to the same state that it was in after a hardware reset.

uint32_t	PCNT_TopBufferGet (PCNT_TypeDef *pcnt)
	Get pulse counter top buffer value.

void	PCNT_TopBufferSet (PCNT_TypeDef *pcnt, uint32_t val)
	Set top buffer value.

uint32_t	PCNT_TopGet (PCNT_TypeDef *pcnt)
	Get pulse counter top value.

void	PCNT_TopSet (PCNT_TypeDef *pcnt, uint32_t val)
	Set the top value.

void	PCNT_Sync (PCNT_TypeDef *pcnt, uint32_t mask)
	Wait for an ongoing sync of register(s) to low-frequency domain to complete.

PCNT - Pulse Counter

Description

Data Structures

Functions