mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2025-01-17 10:12:45 +01:00
drivers/veml6070: initial implementation
This commit is contained in:
parent
289febc1dd
commit
65d1b77338
@ -184,6 +184,10 @@ ifneq (,$(filter srf08,$(USEMODULE)))
|
||||
USEMODULE += xtimer
|
||||
endif
|
||||
|
||||
ifneq (,$(filter veml6070,$(USEMODULE)))
|
||||
FEATURES_REQUIRED += periph_i2c
|
||||
endif
|
||||
|
||||
ifneq (,$(filter w5100,$(USEMODULE)))
|
||||
USEMODULE += netdev2_eth
|
||||
USEMODULE += luid
|
||||
|
||||
@ -100,3 +100,6 @@ endif
|
||||
ifneq (,$(filter sdcard_spi,$(USEMODULE)))
|
||||
USEMODULE_INCLUDES += $(RIOTBASE)/drivers/sdcard_spi/include
|
||||
endif
|
||||
ifneq (,$(filter veml6070,$(USEMODULE)))
|
||||
USEMODULE_INCLUDES += $(RIOTBASE)/drivers/veml6070/include
|
||||
endif
|
||||
|
||||
89
drivers/include/veml6070.h
Normal file
89
drivers/include/veml6070.h
Normal file
@ -0,0 +1,89 @@
|
||||
/*
|
||||
* 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
|
||||
* @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 indice from the given VEML6070 device
|
||||
*
|
||||
* @param[in] dev Device descriptor of VEML6070 device to read from
|
||||
*
|
||||
* @return UV indice
|
||||
*/
|
||||
uint16_t veml6070_read_uv(veml6070_t *dev);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* VEML6070_H */
|
||||
/** @} */
|
||||
1
drivers/veml6070/Makefile
Normal file
1
drivers/veml6070/Makefile
Normal file
@ -0,0 +1 @@
|
||||
include $(RIOTBASE)/Makefile.base
|
||||
72
drivers/veml6070/include/veml6070_params.h
Normal file
72
drivers/veml6070/include/veml6070_params.h
Normal file
@ -0,0 +1,72 @@
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @ingroup drivers_veml6070
|
||||
*
|
||||
* @{
|
||||
* @file
|
||||
* @brief Default configuration for VEML6070
|
||||
*
|
||||
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
|
||||
*/
|
||||
|
||||
#ifndef VEML6070_PARAMS_H
|
||||
#define VEML6070_PARAMS_H
|
||||
|
||||
#include "board.h"
|
||||
#include "veml6070.h"
|
||||
#include "saul_reg.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Set default configuration parameters for the VEML6070
|
||||
* @{
|
||||
*/
|
||||
#ifndef VEML6070_PARAM_I2C_DEV
|
||||
#define VEML6070_PARAM_I2C_DEV I2C_DEV(0)
|
||||
#endif
|
||||
#ifndef VEML6070_PARAM_ITIME
|
||||
#define VEML6070_PARAM_ITIME VEML6070_1_T
|
||||
#endif
|
||||
|
||||
#define VEML6070_PARAMS_DEFAULT { .i2c_dev = VEML6070_PARAM_I2C_DEV, \
|
||||
.itime = VEML6070_PARAM_ITIME }
|
||||
/**@}*/
|
||||
|
||||
/**
|
||||
* @brief Configure VEML6070
|
||||
*/
|
||||
static const veml6070_params_t veml6070_params[] =
|
||||
{
|
||||
#ifdef VEML6070_PARAMS_BOARD
|
||||
VEML6070_PARAMS_BOARD,
|
||||
#else
|
||||
VEML6070_PARAMS_DEFAULT,
|
||||
#endif
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Configure SAUL registry entries
|
||||
*/
|
||||
static const saul_reg_info_t veml6070_saul_reg_info[] =
|
||||
{
|
||||
{
|
||||
.name = "veml6070-uv"
|
||||
}
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* VEML6070_PARAMS_H */
|
||||
/** @} */
|
||||
76
drivers/veml6070/veml6070.c
Normal file
76
drivers/veml6070/veml6070.c
Normal file
@ -0,0 +1,76 @@
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @ingroup drivers_veml6070
|
||||
* @{
|
||||
*
|
||||
* @file
|
||||
* @brief Device driver implementation for the VEML6070 UV sensor.
|
||||
*
|
||||
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
|
||||
*
|
||||
* @}
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
|
||||
#include "log.h"
|
||||
#include "veml6070.h"
|
||||
#include "veml6070_params.h"
|
||||
#include "periph/i2c.h"
|
||||
#include "xtimer.h"
|
||||
|
||||
#define ENABLE_DEBUG (0)
|
||||
#include "debug.h"
|
||||
|
||||
#define VEML6070_ADDRH (0x39)
|
||||
#define VEML6070_ADDRL (0x38)
|
||||
|
||||
/*---------------------------------------------------------------------------*
|
||||
* VEML6070 Core API *
|
||||
*---------------------------------------------------------------------------*/
|
||||
|
||||
int veml6070_init(veml6070_t *dev, const veml6070_params_t * params)
|
||||
{
|
||||
dev->params = *params;
|
||||
|
||||
/* Initialize I2C interface */
|
||||
if (i2c_init_master(dev->params.i2c_dev, I2C_SPEED_NORMAL)) {
|
||||
DEBUG("[Error] I2C device not enabled\n");
|
||||
return -VEML6070_ERR_I2C;
|
||||
}
|
||||
|
||||
/* Acquire exclusive access */
|
||||
i2c_acquire(dev->params.i2c_dev);
|
||||
|
||||
i2c_write_byte(dev->params.i2c_dev, VEML6070_ADDRL,
|
||||
(uint8_t)(dev->params.itime << 2) | 0x02);
|
||||
|
||||
/* Release I2C device */
|
||||
i2c_release(dev->params.i2c_dev);
|
||||
|
||||
return VEML6070_OK;
|
||||
}
|
||||
|
||||
uint16_t veml6070_read_uv(veml6070_t *dev)
|
||||
{
|
||||
/* Acquire exclusive access */
|
||||
i2c_acquire(dev->params.i2c_dev);
|
||||
|
||||
uint8_t buffer[2];
|
||||
i2c_read_byte(dev->params.i2c_dev, VEML6070_ADDRL, &buffer[0]);
|
||||
i2c_read_byte(dev->params.i2c_dev, VEML6070_ADDRH, &buffer[1]);
|
||||
|
||||
uint16_t uv = (uint16_t)(buffer[1] << 8) | buffer[0];
|
||||
|
||||
/* Release I2C device */
|
||||
i2c_release(dev->params.i2c_dev);
|
||||
|
||||
return uv;
|
||||
}
|
||||
41
drivers/veml6070/veml6070_saul.c
Normal file
41
drivers/veml6070/veml6070_saul.c
Normal file
@ -0,0 +1,41 @@
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @ingroup drivers_veml6070
|
||||
* @{
|
||||
*
|
||||
* @file
|
||||
* @brief SAUL adaption for VEML6070 UV sensor
|
||||
*
|
||||
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
|
||||
*
|
||||
* @}
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#include "saul.h"
|
||||
#include "veml6070.h"
|
||||
#include "xtimer.h"
|
||||
|
||||
static int read_uv(void *dev, phydat_t *res)
|
||||
{
|
||||
veml6070_t *d = (veml6070_t *)dev;
|
||||
|
||||
res->val[0] = veml6070_read_uv(d);
|
||||
res->unit = UNIT_NONE;
|
||||
res->scale = -1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
const saul_driver_t veml6070_uv_saul_driver = {
|
||||
.read = read_uv,
|
||||
.write = saul_notsup,
|
||||
.type = SAUL_SENSE_ANY
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user