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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.
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* Copyright (C) 2017 - 2019 HAW Hamburg
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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_tmp00x
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* @{
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*
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* @file
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* @brief TMP00X (TMP006 and TMP007) adaption to the RIOT actuator/sensor interface
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*
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* @author Sebastian Meiling <s@mlng.net>
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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 "tmp00x.h"
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#include "kernel_defines.h"
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static int read_temp(const void *dev, phydat_t *res)
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{
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if (tmp00x_read_temperature((const tmp00x_t *)dev, &res->val[0],
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&res->val[1]) != TMP00X_OK) {
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return -ECANCELED;
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}
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res->val[2] = 0;
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if (IS_ACTIVE(CONFIG_TMP00X_USE_RAW_VALUES)) {
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res->unit = UNIT_NONE;
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res->scale = 0;
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}
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else {
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res->unit = UNIT_TEMP_C;
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res->scale = -2;
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}
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return 2;
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}
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const saul_driver_t tmp00x_saul_driver = {
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.read = read_temp,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_OBJTEMP,
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};
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