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drivers/isl29020: added SAUL integration

cc430
Hauke Petersen 7 years ago
parent
commit
18361631a0
  1. 10
      drivers/include/isl29020.h
  2. 45
      drivers/isl29020/isl29020_saul.c

10
drivers/include/isl29020.h

@ -60,6 +60,16 @@ typedef enum {
ISL29020_RANGE_64K = 3 /**< set range to 0-64000 lux */
} isl29020_range_t;
/**
* @brief Data structure holding the full set of configuration parameters
*/
typedef struct {
i2c_t i2c; /**< I2C bus the device is connected to */
uint8_t addr; /**< address on that bus */
isl29020_range_t range; /**< range setting to use */
isl29020_mode_t mode; /**< measurement mode to use */
} isl29020_params_t;
/**
* @brief Initialize a new ISL29020 device
*

45
drivers/isl29020/isl29020_saul.c

@ -0,0 +1,45 @@
/*
* Copyright (C) 2015 Freie Universität Berlin
*
* 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 driver_isl29020
* @{
*
* @file
* @brief ISL29020 adaption to the RIOT actuator/sensor interface
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <string.h>
#include "saul.h"
#include "isl29020.h"
static int read(void *dev, phydat_t *res)
{
isl29020_t *d = (isl29020_t *)dev;
res->val[0] = (int16_t)isl29020_read(d);
memset(&(res->val[1]), 0, 2 * sizeof(int16_t));
res->unit = UNIT_CD;
res->scale = 0;
return 1;
}
static int write(void *dev, phydat_t *state)
{
return -ENOTSUP;
}
const saul_driver_t isl29020_saul_driver = {
.read = read,
.write = write,
.type = SAUL_SENSE_LIGHT,
};
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