lis3dh_saul.c
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/*
* Copyright (C) 2016 Eistec AB
*
* 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 driver_lis3dh
* @{
*
* @file
* @brief LIS3DH adaption to the RIOT actuator/sensor interface
*
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
*
* @}
*/
#include <string.h>
#include <stdio.h>
#include "saul.h"
#include "lis3dh.h"
static int read_acc(void *dev, phydat_t *res)
{
lis3dh_data_t xyz;
lis3dh_t *d = (lis3dh_t *)dev;
int err = lis3dh_read_xyz(d, &xyz);
if (err != 0) {
/* Something went wrong in the LIS3DH driver */
return -ECANCELED;
}
res->val[0] = xyz.acc_x;
res->val[1] = xyz.acc_y;
res->val[2] = xyz.acc_z;
/* unit: milli-G */
res->scale = -3;
res->unit = UNIT_G;
return 3;
}
static int write(void *dev, phydat_t *state)
{
(void) dev;
(void) state;
return -ENOTSUP;
}
const saul_driver_t lis3dh_saul_driver = {
.read = read_acc,
.write = write,
.type = SAUL_SENSE_ACCEL,
};