tsl2561.h File Reference

Device driver interface for the illuminance TSL2561 sensor. More...

Detailed Description

Device driver interface for the illuminance TSL2561 sensor.

Author

Alexandre Abadie alexa.nosp@m.ndre.nosp@m..abad.nosp@m.ie@i.nosp@m.nria..nosp@m.fr

Definition in file tsl2561.h.

#include "saul.h"
#include "periph/i2c.h"

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Data Structures
struct	tsl2561_params_t
	Device initialization parameters. More...
struct	tsl2561_t
	Device descriptor for the TSL2561 sensor. More...

Functions
int	tsl2561_init (tsl2561_t *dev, const tsl2561_params_t *params)
	Initialize the given TSL2561 device.
uint16_t	tsl2561_read_illuminance (const tsl2561_t *dev)
	Read illuminance value from the given TSL2561 device, returned in lx.

TSL2561 I2C addresses
#define	TSL2561_ADDR_LOW   (0x29)
#define	TSL2561_ADDR_FLOAT   (0x39)
#define	TSL2561_ADDR_HIGH   (0x49)

TSL2561 integration times
#define	TSL2561_INTEGRATIONTIME_13MS   (0x00) /* 13.7ms */
#define	TSL2561_INTEGRATIONTIME_101MS   (0x01) /* 101ms */
#define	TSL2561_INTEGRATIONTIME_402MS   (0x02) /* 402ms */
#define	TSL2561_INTEGRATIONTIME_NA   (0x03) /* N/A */

TSL2561 gains
#define	TSL2561_GAIN_1X   (0x00)
#define	TSL2561_GAIN_16X   (0x10)

TSL2561 driver initialization return codes
#define	TSL2561_OK   (0)
#define	TSL2561_NOI2C   (-1)
#define	TSL2561_BADDEV   (-2)