a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2017 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup drivers_veml6070 VEML6070 UV sensor
* @ingroup drivers_sensors
* @brief Device driver interface for the VEML6070 UV sensor
* @{
*
* @file
* @brief Device driver interface for the VEML6070 UV sensor.
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*/
#ifndef VEML6070_H
#define VEML6070_H
#include "saul.h"
#include "periph/i2c.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Integration times
*/
typedef enum veml6070_integrationtime {
VEML6070_HALF_T = 0, /**< 1/2 T integration time */
VEML6070_1_T, /**< 1 T integration time */
VEML6070_2_T, /**< 2 T integration time */
VEML6070_4_T, /**< 4 T integration time */
} veml6070_itime_t;
/**
* @brief Status and error return codes
*/
enum {
VEML6070_OK = 0, /**< Everything was fine */
VEML6070_ERR_I2C /**< Error initializing the I2C bus */
};
/**
* @brief Device initialization parameters
*/
typedef struct {
i2c_t i2c_dev; /**< I2C device which is used */
veml6070_itime_t itime; /**< Integration time */
} veml6070_params_t;
/**
* @brief Device descriptor for the VEML6070 sensor
*/
typedef struct {
veml6070_params_t params; /**< Device parameters */
} veml6070_t;
/**
* @brief Initialize the given VEML6070 device
*
* @param[out] dev Initialized device descriptor of VEML6070 device
* @param[in] params The parameters for the VEML6070 device (integration time)
*
* @return VEML6070_OK on success
* @return VEML6070_ERR_I2C if given I2C is not enabled in board config
*/
int veml6070_init(veml6070_t *dev, const veml6070_params_t * params);
/**
* @brief Read UV index from the given VEML6070 device
*
* @param[in] dev Device descriptor of VEML6070 device to read from
*
* @return UV index
*/
uint16_t veml6070_read_uv(const veml6070_t *dev);
#ifdef __cplusplus
}
#endif
#endif /* VEML6070_H */
/** @} */
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