tsl4531.h

Go to the documentation of this file.

 
#ifndef SENSOR_TSL4531_H_
#define SENSOR_TSL4531_H_
 
#include <stdint.h>
 
#define TSL4531_I2C_ADDRESS_LEFT 0x29
#define TSL4531_I2C_ADDRESS_RIGHT 0x28
 
#define TSL4531_I2C_ADDRESSES                                                  \
    { (TSL4531_I2C_ADDRESS_LEFT), (TSL4531_I2C_ADDRESS_RIGHT) }
 
#define TSL4531_CHANNEL_DEFAULT 0
 
// register definitions
#define TSL4531_ID 162
 
#define TSL4531_COMMAND 0x80
 
#define TSL4531_REG_CONTROL 0x00
#define TSL4531_REG_CONFIG 0x01
#define TSL4531_REG_DATALOW 0x04
#define TSL4531_REG_DATAHIGH 0x05
#define TSL4531_REG_ID 0x0A
 
#define TSL4531_SAMPLE_OFF 0x00
#define TSL4531_SAMPLE_SINGLE 0x2
#define TSL4531_SAMPLE_CONTINUOUS 0x03
 
#define TSL4531_HIGH_POWER 0x08
#define TSL4531_LOW_POWER 0x00
 
#define TSL4531_INT_TIME_100 0x02
#define TSL4531_INT_TIME_200 0x01
#define TSL4531_INT_TIME_400 0x00
 
#define TSL4531_MULT_100 4
#define TSL4531_MULT_200 2
#define TSL4531_MULT_400 1
 
enum tsl4531_range {
    TSL4531_RANGE_LOW,
    TSL4531_RANGE_MEDIUM,
    TSL4531_RANGE_HIGH,
    TSL4531_RANGE_AUTO,
};
 
typedef enum tsl4531_range tsl4531_range_t;
 
#define TSL4531_RANGE_LOW_MAX 65000
#define TSL4531_RANGE_MEDIUM_MAX 130000
#define TSL4531_RANGE_HYSTERESIS 5000
 
int tsl4531_init(int sensor_identifier);
 
void tsl4531_deinit(int sensor_identifier);
 
int tsl4531_read(int sensor_identifier);
 
int32_t tsl4531_get_value(int sensor_identifier, int channel);
 
#endif /* SENSOR_TSL4531_H_ */