Adafruit_LTR390.h File Reference

#include "Arduino.h"
#include <Adafruit_I2CDevice.h>
#include <Adafruit_I2CRegister.h>
#include <Wire.h>

Go to the source code of this file.

Classes
class	Adafruit_LTR390
	Class that stores state and functions for interacting with LTR390 UV Sensor. More...

Macros
#define	LTR390_I2CADDR_DEFAULT   0x53
	I2C address.
#define	LTR390_MAIN_CTRL   0x00
	Main control register.
#define	LTR390_MEAS_RATE   0x04
	Resolution and data rate.
#define	LTR390_GAIN   0x05
	ALS and UVS gain range.
#define	LTR390_PART_ID   0x06
	Part id/revision register.
#define	LTR390_MAIN_STATUS   0x07
	Main status register.
#define	LTR390_ALSDATA   0x0D
	ALS data lowest byte.
#define	LTR390_UVSDATA   0x10
	UVS data lowest byte.
#define	LTR390_INT_CFG   0x19
	Interrupt configuration.
#define	LTR390_INT_PST   0x1A
	Interrupt persistance config.
#define	LTR390_THRESH_UP   0x21
	Upper threshold, low byte.
#define	LTR390_THRESH_LOW   0x24
	Lower threshold, low byte.

Enumerations
enum	ltr390_mode_t { LTR390_MODE_ALS, LTR390_MODE_UVS }
	Whether we are measuring ambient or UV light.
enum	ltr390_gain_t {   LTR390_GAIN_1 = 0, LTR390_GAIN_3, LTR390_GAIN_6, LTR390_GAIN_9,   LTR390_GAIN_18 }
	Sensor gain for UV or ALS.
enum	ltr390_resolution_t {   LTR390_RESOLUTION_20BIT, LTR390_RESOLUTION_19BIT, LTR390_RESOLUTION_18BIT, LTR390_RESOLUTION_17BIT,   LTR390_RESOLUTION_16BIT, LTR390_RESOLUTION_13BIT }
	Measurement resolution (higher res means slower reads!)

Detailed Description

I2C Driver for LTR390 UV and light sensor

This is a library for the Adafruit LTR390 breakout: http://www.adafruit.com/

Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!

BSD license (see license.txt)