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/**
******************************************************************************
* @file stm32f4_discovery_accelerometer.c
* @author MCD Application Team
* @brief This file provides a set of functions needed to manage the
* MEMS accelerometers available on STM32F4-Discovery Kit.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4_discovery_accelerometer.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32F4_DISCOVERY
* @{
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER STM32F4 DISCOVERY ACCELEROMETER
* @brief This file includes the motion sensor driver for ACCELEROMETER motion sensor
* devices.
* @{
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER_Private_TypesDefinitions STM32F4 DISCOVERY ACCELEROMETER Private TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER_Private_Defines STM32F4 DISCOVERY ACCELEROMETER Private Defines
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER_Private_Macros STM32F4 DISCOVERY ACCELEROMETER Private Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER_Private_Variables STM32F4 DISCOVERY ACCELEROMETER Private Variables
* @{
*/
static ACCELERO_DrvTypeDef *AcceleroDrv;
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER_Private_FunctionPrototypes STM32F4 DISCOVERY ACCELEROMETER Private FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_ACCELEROMETER_Private_Functions STM32F4 DISCOVERY ACCELEROMETER Private Functions
* @{
*/
/**
* @brief Setx Accelerometer Initialization.
* @retval ACCELERO_OK if no problem during initialization
*/
uint8_t BSP_ACCELERO_Init(void)
{
uint8_t ret = ACCELERO_ERROR;
uint16_t ctrl = 0x0000;
LIS302DL_InitTypeDef lis302dl_initstruct;
LIS302DL_FilterConfigTypeDef lis302dl_filter = {0,0,0};
LIS3DSH_InitTypeDef l1s3dsh_InitStruct;
if(Lis302dlDrv.ReadID() == I_AM_LIS302DL)
{
/* Initialize the accelerometer driver structure */
AcceleroDrv = &Lis302dlDrv;
/* Set configuration of LIS302DL MEMS Accelerometer *********************/
lis302dl_initstruct.Power_Mode = LIS302DL_LOWPOWERMODE_ACTIVE;
lis302dl_initstruct.Output_DataRate = LIS302DL_DATARATE_100;
lis302dl_initstruct.Axes_Enable = LIS302DL_XYZ_ENABLE;
lis302dl_initstruct.Full_Scale = LIS302DL_FULLSCALE_2_3;
lis302dl_initstruct.Self_Test = LIS302DL_SELFTEST_NORMAL;
/* Configure MEMS: data rate, power mode, full scale, self test and axes */
ctrl = (uint16_t) (lis302dl_initstruct.Output_DataRate | lis302dl_initstruct.Power_Mode | \
lis302dl_initstruct.Full_Scale | lis302dl_initstruct.Self_Test | \
lis302dl_initstruct.Axes_Enable);
/* Configure the accelerometer main parameters */
AcceleroDrv->Init(ctrl);
/* MEMS High Pass Filter configuration */
lis302dl_filter.HighPassFilter_Data_Selection = LIS302DL_FILTEREDDATASELECTION_OUTPUTREGISTER;
lis302dl_filter.HighPassFilter_CutOff_Frequency = LIS302DL_HIGHPASSFILTER_LEVEL_1;
lis302dl_filter.HighPassFilter_Interrupt = LIS302DL_HIGHPASSFILTERINTERRUPT_1_2;
/* Configure MEMS high pass filter cut-off level, interrupt and data selection bits */
ctrl = (uint8_t)(lis302dl_filter.HighPassFilter_Data_Selection | \
lis302dl_filter.HighPassFilter_CutOff_Frequency | \
lis302dl_filter.HighPassFilter_Interrupt);
/* Configure the accelerometer LPF main parameters */
AcceleroDrv->FilterConfig(ctrl);
ret = ACCELERO_OK;
}
else if(Lis3dshDrv.ReadID() == I_AM_LIS3DSH)
{
/* Initialize the accelerometer driver structure */
AcceleroDrv = &Lis3dshDrv;
/* Set configuration of LIS3DSH MEMS Accelerometer **********************/
l1s3dsh_InitStruct.Output_DataRate = LIS3DSH_DATARATE_100;
l1s3dsh_InitStruct.Axes_Enable = LIS3DSH_XYZ_ENABLE;
l1s3dsh_InitStruct.SPI_Wire = LIS3DSH_SERIALINTERFACE_4WIRE;
l1s3dsh_InitStruct.Self_Test = LIS3DSH_SELFTEST_NORMAL;
l1s3dsh_InitStruct.Full_Scale = LIS3DSH_FULLSCALE_2;
l1s3dsh_InitStruct.Filter_BW = LIS3DSH_FILTER_BW_800;
/* Configure MEMS: power mode(ODR) and axes enable */
ctrl = (uint16_t) (l1s3dsh_InitStruct.Output_DataRate | \
l1s3dsh_InitStruct.Axes_Enable);
/* Configure MEMS: full scale and self test */
ctrl |= (uint16_t) ((l1s3dsh_InitStruct.SPI_Wire | \
l1s3dsh_InitStruct.Self_Test | \
l1s3dsh_InitStruct.Full_Scale | \
l1s3dsh_InitStruct.Filter_BW) << 8);
/* Configure the accelerometer main parameters */
AcceleroDrv->Init(ctrl);
ret = ACCELERO_OK;
}
else
{
ret = ACCELERO_ERROR;
}
return ret;
}
/**
* @brief Read ID of Accelerometer component.
* @retval ID
*/
uint8_t BSP_ACCELERO_ReadID(void)
{
uint8_t id = 0x00;
if(AcceleroDrv->ReadID != NULL)
{
id = AcceleroDrv->ReadID();
}
return id;
}
/**
* @brief Reboot memory content of Accelerometer.
*/
void BSP_ACCELERO_Reset(void)
{
if(AcceleroDrv->Reset != NULL)
{
AcceleroDrv->Reset();
}
}
/**
* @brief Configure Accelerometer click IT.
*/
void BSP_ACCELERO_Click_ITConfig(void)
{
if(AcceleroDrv->ConfigIT != NULL)
{
AcceleroDrv->ConfigIT();
}
}
/**
* @brief Clear Accelerometer click IT.
*/
void BSP_ACCELERO_Click_ITClear(void)
{
if(AcceleroDrv->ClearIT != NULL)
{
AcceleroDrv->ClearIT();
}
}
/**
* @brief Get XYZ axes acceleration.
* @param pDataXYZ: Pointer to 3 angular acceleration axes.
* pDataXYZ[0] = X axis, pDataXYZ[1] = Y axis, pDataXYZ[2] = Z axis
*/
void BSP_ACCELERO_GetXYZ(int16_t *pDataXYZ)
{
int16_t SwitchXY = 0;
if(AcceleroDrv->GetXYZ != NULL)
{
AcceleroDrv->GetXYZ(pDataXYZ);
/* Switch X and Y Axes in case of LIS302DL MEMS */
if(AcceleroDrv == &Lis302dlDrv)
{
SwitchXY = pDataXYZ[0];
pDataXYZ[0] = pDataXYZ[1];
/* Invert Y Axis to be compliant with LIS3DSH MEMS */
pDataXYZ[1] = -SwitchXY;
}
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/