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RIOT/drivers/hmc5883l/hmc5883l_saul.c
Marian Buschsieweke 3c287c058d
sys/phydat: Fix unit confusion
Previously, `UNIT_G` was used for g-force with the correct symbol `g`,
`UNIT_GR` for gram (as in kilogram) with the incorrect symbol `G` (which
would be correct for Gauss), and `UNIT_GS` for Gauss with symbol `Gs`
(which is an uncommon but correct symbol).

To avoid confusion between G-Force, Gauss, and Gram the units have been
renamed to `UNIT_G_FORCE`, `UNIT_GRAM`, and `UNIT_GAUSS`. In addition,
gram now uses the correct symbol `g` and Gauss uses `G`.
2023-02-23 16:44:24 +01:00

41 lines
915 B
C

/*
* Copyright (C) 2018 Gunar Schorcht
*
* 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 drivers_hmc5883l
* @brief HMC5883L adaption to the RIOT actuator/sensor interface
* @author Gunar Schorcht <gunar@schorcht.net>
* @file
*/
#include <string.h>
#include "saul.h"
#include "hmc5883l.h"
static int read(const void *dev, phydat_t *res)
{
hmc5883l_data_t data;
int ret = hmc5883l_read((const hmc5883l_t *)dev, &data);
if (ret < 0) {
return -ECANCELED;
}
res->val[0] = data.x;
res->val[1] = data.y;
res->val[2] = data.z;
res->unit = UNIT_GAUSS;
res->scale = -3;
return 3;
}
const saul_driver_t hmc5883l_saul_driver = {
.read = read,
.write = saul_write_notsup,
.type = SAUL_SENSE_MAG,
};