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/**
******************************************************************************
* @file stm32f401_discovery_accelerometer.c
* @author MCD Application Team
* @brief This file provides a set of functions needed to manage the
* MEMS accelerometer available on STM32F401-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 "stm32f401_discovery_accelerometer.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32F401_DISCOVERY
* @{
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER STM32F401 DISCOVERY ACCELEROMETER
* @{
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER_Private_TypesDefinitions STM32F401 DISCOVERY ACCELEROMETER Private TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER_Private_Defines STM32F401 DISCOVERY ACCELEROMETER Private Defines
* @{
*/
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER_Private_Macros STM32F401 DISCOVERY ACCELEROMETER Private Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER_Private_Variables STM32F401 DISCOVERY ACCELEROMETER Private Variables
* @{
*/
static ACCELERO_DrvTypeDef *AccelerometerDrv;
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER_Private_FunctionPrototypes STM32F401 DISCOVERY ACCELEROMETER Private FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup STM32F401_DISCOVERY_ACCELEROMETER_Private_Functions STM32F401 DISCOVERY ACCELEROMETER Private Functions
* @{
*/
/**
* @brief Set 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;
ACCELERO_InitTypeDef LSM303DLHC_InitStructure;
ACCELERO_FilterConfigTypeDef LSM303DLHC_FilterStructure = {0,0,0,0};
if(Lsm303dlhcDrv.ReadID() == I_AM_LMS303DLHC)
{
/* Initialize the Accelerometer driver structure */
AccelerometerDrv = &Lsm303dlhcDrv;
/* MEMS configuration ----------------------------------------------------*/
/* Fill the Accelerometer structure */
LSM303DLHC_InitStructure.Power_Mode = LSM303DLHC_NORMAL_MODE;
LSM303DLHC_InitStructure.AccOutput_DataRate = LSM303DLHC_ODR_50_HZ;
LSM303DLHC_InitStructure.Axes_Enable = LSM303DLHC_AXES_ENABLE;
LSM303DLHC_InitStructure.AccFull_Scale = LSM303DLHC_FULLSCALE_2G;
LSM303DLHC_InitStructure.BlockData_Update = LSM303DLHC_BlockUpdate_Continous;
LSM303DLHC_InitStructure.Endianness = LSM303DLHC_BLE_LSB;
LSM303DLHC_InitStructure.High_Resolution = LSM303DLHC_HR_ENABLE;
/* Configure MEMS: data rate, power mode, full scale and axes */
ctrl |= (LSM303DLHC_InitStructure.Power_Mode | LSM303DLHC_InitStructure.AccOutput_DataRate | \
LSM303DLHC_InitStructure.Axes_Enable);
ctrl |= ((LSM303DLHC_InitStructure.BlockData_Update | LSM303DLHC_InitStructure.Endianness | \
LSM303DLHC_InitStructure.AccFull_Scale | LSM303DLHC_InitStructure.High_Resolution) << 8);
/* Configure the Accelerometer main parameters */
AccelerometerDrv->Init(ctrl);
/* Fill the Accelerometer LPF structure */
LSM303DLHC_FilterStructure.HighPassFilter_Mode_Selection =LSM303DLHC_HPM_NORMAL_MODE;
LSM303DLHC_FilterStructure.HighPassFilter_CutOff_Frequency = LSM303DLHC_HPFCF_16;
LSM303DLHC_FilterStructure.HighPassFilter_AOI1 = LSM303DLHC_HPF_AOI1_DISABLE;
LSM303DLHC_FilterStructure.HighPassFilter_AOI2 = LSM303DLHC_HPF_AOI2_DISABLE;
/* Configure MEMS: mode, cutoff frquency, Filter status, Click, AOI1 and AOI2 */
ctrl = (uint8_t) (LSM303DLHC_FilterStructure.HighPassFilter_Mode_Selection |\
LSM303DLHC_FilterStructure.HighPassFilter_CutOff_Frequency|\
LSM303DLHC_FilterStructure.HighPassFilter_AOI1|\
LSM303DLHC_FilterStructure.HighPassFilter_AOI2);
/* Configure the Accelerometer LPF main parameters */
AccelerometerDrv->FilterConfig(ctrl);
ret = ACCELERO_OK;
}
else
{
ret = ACCELERO_ERROR;
}
return ret;
}
/**
* @brief Reboot memory content of Accelerometer.
*/
void BSP_ACCELERO_Reset(void)
{
if(AccelerometerDrv->Reset != NULL)
{
AccelerometerDrv->Reset();
}
}
/**
* @brief Configure Accelerometer click IT.
*/
void BSP_ACCELERO_Click_ITConfig(void)
{
if(AccelerometerDrv->ConfigIT!= NULL)
{
AccelerometerDrv->ConfigIT();
}
}
/**
* @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(AccelerometerDrv->GetXYZ!= NULL)
{
AccelerometerDrv->GetXYZ(pDataXYZ);
/* Switch X and Y Axes in case of LSM303DLHC MEMS */
if(AccelerometerDrv == &Lsm303dlhcDrv)
{
SwitchXY = pDataXYZ[0];
pDataXYZ[0] = pDataXYZ[1];
/* Invert Y Axis to be conpliant with LIS3DSH */
pDataXYZ[1] = -SwitchXY;
}
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/