Interface definition for the Rohm BH1750FVI ambient light sensor. More...

Detailed Description

Interface definition for the Rohm BH1750FVI ambient light sensor.

Author: Hauke Petersen hauke.nosp@m..pet.nosp@m.ersen.nosp@m.@fu-.nosp@m.berli.nosp@m.n.de

Definition in file bh1750fvi.h.

#include "periph/i2c.h"

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Data Structures
struct	bh1750fvi_t
	Device descriptor for BH1570FVI devices. More...

struct	bh1750fvi_params_t
	Set of configuration parameters for BH1750FV devices. More...

Macros
#define	BH1750FVI_DEFAULT_ADDR BH1750FVI_ADDR_PIN_LOW
	Default address of BH1750FVI sensors.

#define	BH1750FVI_I2C_MAX_CLK I2C_SPEED_FAST
	Maximum I2C bus speed to use with the device.

Enumerations
enum	{ BH1750FVI_OK = 0 , BH1750FVI_ERR_I2C = -1 }
	Status and error return codes. More...

Functions
int	bh1750fvi_init (bh1750fvi_t dev, const bh1750fvi_params_t params)
	Initialize the given BH1750FVI device.

uint16_t	bh1750fvi_sample (const bh1750fvi_t *dev)
	Read a ambient light value from the given device [in LUX].

Possible I2C bus addresses of the device
The actual address of the device depends on the state of the ADDR pin.
#define	BH1750FVI_ADDR_PIN_LOW (0x23)
	ADDR pin := 0.

#define	BH1750FVI_ADDR_PIN_HIGH (0x5c)
	ADDR pin := 1.

Data Structures