GPIO based pulse counting driver More...

Detailed Description

GPIO based pulse counting driver

This driver provides [S]ensor [A]ctuator [U]ber [L]ayer capabilities.

Files
file	pulse_counter.h
	Driver for the pulse counter.

file	pulse_counter_params.h
	Default configuration for PULSE_COUNTER devices.

Data Structures
struct	pulse_counter_params_t
	Parameters needed for device initialization. More...

struct	pulse_counter_t
	Device descriptor for a pulse counter device. More...

Functions
int	pulse_counter_init (pulse_counter_t dev, const pulse_counter_params_t params)
	Initialize a pulse counter device.

int16_t	pulse_counter_read_with_reset (pulse_counter_t *dev)
	Read and reset pulse counter value.

int16_t	pulse_counter_read_without_reset (pulse_counter_t *dev)
	Read pulse counter value.

void	pulse_counter_reset (pulse_counter_t *dev)
	Reset pulse counter value.

Function Documentation

int pulse_counter_init	(	pulse_counter_t *	dev,
		const pulse_counter_params_t *	params )

Initialize a pulse counter device.

Parameters

[out]	dev	device descriptor
[in]	params	configuration parameters

int16_t pulse_counter_read_with_reset ( pulse_counter_t * dev )

Read and reset pulse counter value.

Parameters

[out] dev device descriptor of sensor

int16_t pulse_counter_read_without_reset ( pulse_counter_t * dev )

Read pulse counter value.

Parameters

[in] dev device descriptor of sensor

void pulse_counter_reset ( pulse_counter_t * dev )

Reset pulse counter value.

Parameters

[out] dev device descriptor of sensor