opticflow_pmw3901.h File Reference

#include "peripherals/pmw3901.h"

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Data Structures
struct	opticflow_pmw3901_t

Functions
void	opticflow_pmw3901_init (void)
void	opticflow_pmw3901_periodic (void)
void	opticflow_pmw3901_event (void)

Variables
struct opticflow_pmw3901_t	of_pmw

Detailed Description

Author

Tom van Dijk Driver for PMW3901 optical flow sensor

Definition in file opticflow_pmw3901.h.

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Data Structure Documentation

struct opticflow_pmw3901_t

Definition at line 31 of file opticflow_pmw3901.h.

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Data Fields
uint32_t	agl_timeout
struct pmw3901_t	pmw
float	sensor_angle
float	std_px
int16_t	subpixel_factor

Function Documentation

void opticflow_pmw3901_event

(

void

)

Definition at line 184 of file opticflow_pmw3901.c.

References get_sys_time_usec(), of_pmw, opticflow_pmw3901_publish(), opticflow_pmw3901_t::pmw, pmw3901_data_available(), pmw3901_event(), and pmw3901_get_data().

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void opticflow_pmw3901_init

(

void

)

Definition at line 166 of file opticflow_pmw3901.c.

References agl_cb(), opticflow_pmw3901_t::agl_timeout, of_pmw, OPTICFLOW_PMW3901_AGL_ID, OPTICFLOW_PMW3901_AGL_TIMEOUT_US, OPTICFLOW_PMW3901_SENSOR_ANGLE, OPTICFLOW_PMW3901_STD_PX, OPTICFLOW_PMW3901_SUBPIXEL_FACTOR, opticflow_pmw3901_t::pmw, pmw3901_init(), pmw3901_t::rad_per_px, opticflow_pmw3901_t::sensor_angle, opticflow_pmw3901_t::std_px, and opticflow_pmw3901_t::subpixel_factor.

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void opticflow_pmw3901_periodic

(

void

)

Definition at line 178 of file opticflow_pmw3901.c.

References of_pmw, opticflow_pmw3901_t::pmw, pmw3901_is_idle(), and pmw3901_start_read().

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Variable Documentation

struct opticflow_pmw3901_t of_pmw

Definition at line 61 of file opticflow_pmw3901.c.

Referenced by agl_valid(), opticflow_pmw3901_event(), opticflow_pmw3901_init(), opticflow_pmw3901_periodic(), and opticflow_pmw3901_publish().