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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.
43 lines
927 B
C
43 lines
927 B
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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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_l3gxxxx
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* @brief L3Gxxxx adaption to the RIOT actuator/sensor interface
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* @author Gunar Schorcht <gunar@schorcht.net>
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* @file
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*/
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#include <string.h>
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#include "saul.h"
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#include "l3gxxxx.h"
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static int read(const void *dev, phydat_t *res)
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{
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l3gxxxx_data_t data;
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int ret = l3gxxxx_read((const l3gxxxx_t *)dev, &data);
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if (ret < 0) {
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return -ECANCELED;
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}
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res->val[0] = data.x / 100;
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res->val[1] = data.y / 100;
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res->val[2] = data.z / 100;
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res->unit = UNIT_DPS;
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res->scale = -1;
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return 3;
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}
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const saul_driver_t l3gxxxx_saul_driver = {
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.read = read,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_GYRO,
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};
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