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138 lines
4.2 KiB
C
138 lines
4.2 KiB
C
/*
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* Copyright (c) 2012, STMicroelectronics.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup stm32nucleo-spirit1-magneto-sensor
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* @{
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*
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* \file
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* Driver for the stm32nucleo-spirit1 Magneto sensor (on expansion board)
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*/
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/*---------------------------------------------------------------------------*/
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#ifdef X_NUCLEO_IKS01A1
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/*---------------------------------------------------------------------------*/
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#include "lib/sensors.h"
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#include "magneto-sensor.h"
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#include "st-lib.h"
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/*---------------------------------------------------------------------------*/
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static int _active = 1;
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/*---------------------------------------------------------------------------*/
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static void
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init(void)
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{
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BSP_MAGNETO_Init();
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_active = 1;
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}
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/*---------------------------------------------------------------------------*/
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static void
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activate(void)
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{
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_active = 1;
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}
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/*---------------------------------------------------------------------------*/
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static void
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deactivate(void)
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{
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_active = 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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active(void)
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{
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return _active;
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}
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/*---------------------------------------------------------------------------*/
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static int
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value(int type)
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{
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int32_t ret_val = 0;
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volatile st_lib_axes_raw_typedef axes_raw_data;
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/* NOTE: this is a demo of mapping ST Nucleo sensors on Contiki sensor API.
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* For a real use case of sensors like acceleration, magneto and gyroscope,
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* it is better to directly call the ST lib to get the three value (X/Y/Z)
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* at once.
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*/
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st_lib_bsp_magneto_m_get_axes_raw(&axes_raw_data);
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switch(type) {
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case X_AXIS:
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ret_val = axes_raw_data.AXIS_X;
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break;
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case Y_AXIS:
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ret_val = axes_raw_data.AXIS_Y;
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break;
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case Z_AXIS:
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ret_val = axes_raw_data.AXIS_Z;
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break;
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default:
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break;
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}
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return ret_val;
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}
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/*---------------------------------------------------------------------------*/
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static int
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configure(int type, int value)
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{
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switch(type) {
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case SENSORS_HW_INIT:
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init();
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return 1;
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case SENSORS_ACTIVE:
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if(value) {
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activate();
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} else {
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deactivate();
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}
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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status(int type)
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{
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switch(type) {
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case SENSORS_READY:
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return active();
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(magneto_sensor, MAGNETO_SENSOR, value, configure, status);
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/*---------------------------------------------------------------------------*/
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#endif /*X_NUCLEO_IKS01A1*/
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/*---------------------------------------------------------------------------*/
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/** @} */
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