accel.h File Reference

#include <pbl/services/imu/units.h>
#include <stdbool.h>
#include <stdint.h>

Data Structures
struct	AccelDriverSample
	Accelerometer sample. More...
struct	AccelRawBatch
	Batch of raw samples in a driver-owned buffer. More...
struct	AccelRawBatch.axis
	Per-axis source, indexed by IMUCoordinateAxis; encodes axis remapping and direction. More...

Typedefs
typedef void(*	AccelOffloadCallback) (void)
	Driver work to be run from thread context.

Functions
void	accel_init (void)
	Initialize the accelerometer.
void	accel_set_rotated (bool rotated)
	Set whether the axes are rotated by 180 degrees.
uint32_t	accel_set_sampling_interval (uint32_t interval_us)
	Set the sampling interval.
uint32_t	accel_get_sampling_interval (void)
	Get the sampling interval.
void	accel_set_num_samples (uint32_t num_samples)
	Set the maximum number of samples the driver may batch.
uint32_t	accel_get_max_num_samples (void)
	Get the maximum number of samples the driver can batch.
int	accel_peek (AccelDriverSample *data)
	Read the most recent sample.
void	accel_enable_shake_detection (bool on)
	Enable or disable shake detection.
bool	accel_get_shake_detection_enabled (void)
	Check whether shake detection is enabled.
void	accel_enable_double_tap_detection (bool on)
	Enable or disable double tap detection.
bool	accel_get_double_tap_detection_enabled (void)
	Check whether double tap detection is enabled.
void	accel_cb_new_sample (AccelDriverSample const *data)
	Deliver a new sample to the service.
void	accel_cb_new_samples (AccelRawBatch const *batch)
	Deliver a batch of new samples to the service.
void	accel_cb_shake_detected (IMUCoordinateAxis axis, int32_t direction)
	Report a detected shake to the service.
void	accel_cb_double_tap_detected (IMUCoordinateAxis axis, int32_t direction)
	Report a detected double tap to the service.
void	accel_offload_work_from_isr (AccelOffloadCallback cb)
	Run driver work in thread context, from an ISR.
void	accel_offload_work (AccelOffloadCallback cb)
	Run driver work in thread context.
void	accel_set_shake_sensitivity_high (bool sensitivity_high)
	Select high or normal shake sensitivity.
void	accel_set_shake_sensitivity_percent (uint8_t percent)
	Set the normal shake sensitivity.