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16f859dafd
This makes life easier when calling e.g. `saul_reg_write()` with data stored in flash. As now the signatures for reading and writing differ (in that `const` qualifier only), `saul_notsup()` is split into `saul_write_notsup()` and `saul_read_notsup()`. However, one is implemented as a symbol alias of the other, so that ROM consumption remains unchanged.
41 lines
919 B
C
41 lines
919 B
C
/*
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* Copyright (C) 2016 Inria
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* Copyright (C) 2018 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_tsl4531x
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* @{
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*
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* @file
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* @brief SAUL interface for TSL4531x Luminosity sensor.
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*
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* @author Juan I Carrano <j.carrano@fu-berlin.de>
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* @author Daniel Petry <daniel.petry@fu-berlin.de>
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*
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* @}
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*/
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#include <string.h>
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#include "saul.h"
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#include "tsl4531x.h"
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static int _read(const void *dev, phydat_t *data)
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{
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memset(data, 0, sizeof(phydat_t));
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data->val[0] = tsl4531x_simple_read(*(tsl4531x_t * const*)dev);
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data->unit = UNIT_LUX;
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data->scale = 0;
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return 1;
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}
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const saul_driver_t tsl4531x_saul_driver = {
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.read = _read,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_LIGHT
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};
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