Hauke Petersen
7 years ago
commit
af48dadb26
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/*
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* Copyright (C) 2016 Eistec AB
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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 boards_mulle
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* @{
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*
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* @file
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* @brief LIS3DH board specific configuration
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*
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* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
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*/
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#ifndef LIS3DH_PARAMS_H
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#define LIS3DH_PARAMS_H
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#include "board.h"
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#include "saul_reg.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief LIS3DH configuration
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*/
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static const lis3dh_params_t lis3dh_params[] =
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{
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{
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.spi = LIS3DH_SPI,
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.cs = LIS3DH_CS,
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.int1 = LIS3DH_INT1,
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.int2 = LIS3DH_INT2,
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.scale = 4,
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.odr = LIS3DH_ODR_100Hz,
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},
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};
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/**
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* @brief Additional meta information to keep in the SAUL registry
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*/
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static const saul_reg_info_t lis3dh_saul_info[] =
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{
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{
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.name = "lis3dh",
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},
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* LIS3DH_PARAMS_H */
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/** @} */
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@ -0,0 +1,59 @@
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/*
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* Copyright (C) 2016 Eistec AB
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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 driver_lis3dh
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* @{
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*
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* @file
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* @brief LIS3DH adaption to the RIOT actuator/sensor interface
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*
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* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
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*
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* @}
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*/
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#include <string.h>
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#include <stdio.h>
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#include "saul.h"
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#include "lis3dh.h"
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static int read_acc(void *dev, phydat_t *res)
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{
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lis3dh_data_t xyz;
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lis3dh_t *d = (lis3dh_t *)dev;
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int err = lis3dh_read_xyz(d, &xyz);
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if (err != 0) {
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/* Something went wrong in the LIS3DH driver */
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return -ECANCELED;
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}
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res->val[0] = xyz.acc_x;
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res->val[1] = xyz.acc_y;
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res->val[2] = xyz.acc_z;
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/* unit: milli-G */
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res->scale = -3;
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res->unit = UNIT_G;
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return 3;
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}
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static int write(void *dev, phydat_t *state)
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{
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(void) dev;
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(void) state;
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return -ENOTSUP;
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}
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const saul_driver_t lis3dh_saul_driver = {
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.read = read_acc,
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.write = write,
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.type = SAUL_SENSE_ACCEL,
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};
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@ -0,0 +1,79 @@
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/*
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* Copyright (C) 2016 Eistec AB
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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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/**
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* @ingroup auto_init_saul
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* @{
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*
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* @file
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* @brief Auto initialization of LIS3DH accelerometers
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*
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* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
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*
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* @}
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*/
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#ifdef MODULE_LIS3DH
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#include "saul_reg.h"
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#include "lis3dh.h"
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#include "lis3dh_params.h"
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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/**
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* @brief Define the number of configured sensors
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*/
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#define LIS3DH_NUM (sizeof(lis3dh_params)/sizeof(lis3dh_params[0]))
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/**
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* @brief Allocate memory for the device descriptors
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*/
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static lis3dh_t lis3dh_devs[LIS3DH_NUM];
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/**
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* @brief Memory for the SAUL registry entries
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*/
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static saul_reg_t saul_entries[LIS3DH_NUM];
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/**
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* @brief Reference the driver struct
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*/
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extern saul_driver_t lis3dh_saul_driver;
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void auto_init_lis3dh(void)
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{
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for (int i = 0; i < LIS3DH_NUM; i++) {
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const lis3dh_params_t *p = &lis3dh_params[i];
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int res;
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DEBUG("[auto_init_saul] initializing lis3dh accelerometer\n");
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res = lis3dh_init(&lis3dh_devs[i], p->spi, p->cs, p->scale);
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if (res < 0) {
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DEBUG("[auto_init_saul] error during lis3dh_init\n");
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continue;
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}
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res = lis3dh_set_odr(&lis3dh_devs[i], p->odr);
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if (res < 0) {
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DEBUG("[auto_init_saul] error during lis3dh_set_odr\n");
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continue;
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}
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saul_entries[i].dev = &(lis3dh_devs[i]);
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saul_entries[i].name = lis3dh_saul_info[i].name;
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saul_entries[i].driver = &lis3dh_saul_driver;
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saul_reg_add(&(saul_entries[i]));
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}
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}
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#else
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typedef int dont_be_pedantic;
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#endif /* MODULE_LIS3DH */
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