single_axis_calibration_t Class Reference

maintain offset and slope data for one sensor axis More...

#include <compass_calibration.h>

Public Member Functions
	single_axis_calibration_t (float _offset=0.0f, float slope=1.0f)
void	refresh (linear_least_square_result< float > &result)
	feed in new calibration from linear least square fit
void	refresh (float _offset, float _slope, float _variance_offset, float _variance_slope)
	feed in new calibration from linear least square fit
float	calibrate (float sensor_reading)
	calibrate instant sensor reading using calibration data

Public Attributes
float	offset
	sensor offset in sensor units
float	scale
	convert sensor-units into SI-data
float	variance
	measure of precision: sensor calibration parameter variance

Detailed Description

maintain offset and slope data for one sensor axis

Definition at line 35 of file compass_calibration.h.

Constructor & Destructor Documentation

single_axis_calibration_t()

single_axis_calibration_t::single_axis_calibration_t ( float  _offset = 0.0f, float  slope = 1.0f  )

inline

Definition at line 38 of file compass_calibration.h.

Member Function Documentation

calibrate()

float single_axis_calibration_t::calibrate ( float  sensor_reading )

inline

calibrate instant sensor reading using calibration data

Definition at line 61 of file compass_calibration.h.

References offset, and scale.

refresh() [1/2]

void single_axis_calibration_t::refresh ( float  _offset, float  _slope, float  _variance_offset, float  _variance_slope  )

inline

feed in new calibration from linear least square fit

Definition at line 53 of file compass_calibration.h.

References offset, scale, and variance.

refresh() [2/2]

void single_axis_calibration_t::refresh ( linear_least_square_result< float > &  result )

inline

feed in new calibration from linear least square fit

Definition at line 45 of file compass_calibration.h.

References offset, scale, and variance.

Member Data Documentation

offset

float single_axis_calibration_t::offset

sensor offset in sensor units

Definition at line 66 of file compass_calibration.h.

Referenced by calibrate(), refresh(), refresh(), and compass_calibration_t< sample_type, evaluation_type >::set_default().

scale

float single_axis_calibration_t::scale

convert sensor-units into SI-data

Definition at line 67 of file compass_calibration.h.

Referenced by calibrate(), refresh(), refresh(), and compass_calibration_t< sample_type, evaluation_type >::set_default().

variance

float single_axis_calibration_t::variance

measure of precision: sensor calibration parameter variance

Definition at line 68 of file compass_calibration.h.

Referenced by compass_calibration_t< sample_type, evaluation_type >::read_from_EEPROM(), refresh(), refresh(), compass_calibration_t< sample_type, evaluation_type >::set_default(), and compass_calibration_t< sample_type, evaluation_type >::write_into_EEPROM().

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The documentation for this class was generated from the following file:

• lib/NAV_Algorithms/compass_calibration.h