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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.
46 lines
926 B
C
46 lines
926 B
C
/*
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* Copyright (C) 2017 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_tcs37727
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* @{
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*
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* @file
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* @brief TCS37727 adaption to the RIOT actuator/sensor interface
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*
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* @author Hauke Petersen <hauke.petersen@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 "tcs37727.h"
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static int read(const void *dev, phydat_t *res)
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{
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tcs37727_data_t val;
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tcs37727_read((const tcs37727_t *)dev, &val);
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res->val[0] = (int16_t)val.red;
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res->val[1] = (int16_t)val.green;
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res->val[2] = (int16_t)val.blue;
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res->unit = UNIT_CD;
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res->scale = 0;
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return 3;
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}
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const saul_driver_t tcs37727_saul_driver = {
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.read = read,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_COLOR,
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};
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