m5::unit::bh1750fvi::Data Struct Reference

Measurement data group. More...

#include <unit_BH1750FVI_data.hpp>

Public Member Functions
float	lux () const
	Illuminance in lx.

Public Attributes
uint16_t	raw {}
	Raw 16-bit ADC value (MSB first)
uint8_t	mtreg {MTREG_DEFAULT}
	MTreg value in effect at the time of measurement.
Resolution	resolution {Resolution::High}
	Resolution in effect at the time of measurement.

Detailed Description

Measurement data group.

Member Function Documentation

lux()

float m5::unit::bh1750fvi::Data::lux ( ) const

inline

Illuminance in lx.

lux = raw / 1.2 * (69 / mtreg) [/ 2 if High2]

Returns

Illuminance in lx (NaN if mtreg == 0)