/** ****************************************************************************** * @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

* * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* 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; } } } /** * @} */ /** * @} */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/