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drivers/lis2dh12: add SAUL mapping

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This commit is contained in:
Hauke Petersen 2018-01-15 14:59:19 +01:00
parent 09dab1a9fb
commit ba8ab6c88b
3 changed files with 61 additions and 6 deletions
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6
drivers/include/lis2dh12.h
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@ -33,6 +33,7 @@
#ifndef LIS2DH12_H
#define LIS2DH12_H
#include "saul.h"
#include "periph/spi.h"
#include "periph/gpio.h"
@ -98,6 +99,11 @@ enum {
LIS2DH12_NODEV = -2, /**< unable to talk to device */
};
/**
* @brief Export the SAUL interface for this driver
*/
extern const saul_driver_t lis2dh12_saul_driver;
/**
* @brief Initialize the given LIS2DH12 sensor device
*

23
drivers/lis2dh12/include/lis2dh12_params.h
View File

@ -21,6 +21,7 @@
#include "board.h"
#include "lis2dh12.h"
#include "saul_reg.h"
#ifdef __cplusplus
extern "C" {
@ -43,10 +44,16 @@ extern "C" {
#define LIS2DH12_PARAM_RATE LIS2DH12_RATE_100HZ
#endif
#define LIS2DH12_PARAMS_DEFAULT { .spi = LIS2DH12_PARAM_SPI, \
#ifndef LIS2DH12_PARAMS
#define LIS2DH12_PARAMS { .spi = LIS2DH12_PARAM_SPI, \
.cs = LIS2DH12_PARAM_CS, \
.scale = LIS2DH12_PARAM_SCALE, \
.rate = LIS2DH12_PARAM_RATE }
#endif
#ifndef LIS2DH12_SAULINFO
#define LIS2DH12_SAULINFO { .name = "lis2dh12" }
#endif
/**@}*/
/**
@ -54,11 +61,15 @@ extern "C" {
*/
static const lis2dh12_params_t lis2dh12_params[] =
{
#ifdef LIS2DH12_PARAMS_BOARD
LIS2DH12_PARAMS_BOARD,
#else
LIS2DH12_PARAMS_DEFAULT,
#endif
LIS2DH12_PARAMS
};
/**
* @brief Additional meta information to keep in the SAUL registry
*/
static const saul_reg_info_t lis2dh12_saul_info[] =
{
LIS2DH12_SAULINFO
};
#ifdef __cplusplus

38
drivers/lis2dh12/lis2dh12_saul.c Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (C) 2018 Freie Universität Berlin
*
* 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_lis2dh12
* @{
*
* @file
* @brief LIS2DH12 accelerometer SAUL mapping
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include "saul.h"
#include "lis2dh12.h"
static int read_accelerometer(const void *dev, phydat_t *res)
{
if (lis2dh12_read((const lis2dh12_t *)dev, res->val) != LIS2DH12_OK) {
return 0;
}
res->unit = UNIT_G;
res->scale = -3;
return 3;
}
const saul_driver_t lis2dh12_saul_driver = {
.read = read_accelerometer,
.write = saul_notsup,
.type = SAUL_SENSE_ACCEL
};