stm32l475e_iot01_tsensor.c

Go to the documentation of this file.

/**
  ******************************************************************************
  * @file    stm32l475e_iot01_tsensor.c
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    17-March-2017
  * @brief   This file provides a set of functions needed to manage the temperature sensor
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
  * All rights reserved.</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted, provided that the following conditions are met:
  *
  * 1. Redistribution 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 other
  *    contributors to this software may be used to endorse or promote products
  *    derived from this software without specific written permission.
  * 4. This software, including modifications and/or derivative works of this
  *    software, must execute solely and exclusively on microcontroller or
  *    microprocessor devices manufactured by or for STMicroelectronics.
  * 5. Redistribution and use of this software other than as permitted under
  *    this license is void and will automatically terminate your rights under
  *    this license.
  *
  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
  * SHALL STMICROELECTRONICS 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 "stm32l475e_iot01_tsensor.h"

/** @addtogroup BSP
  * @{
  */ 

/** @addtogroup STM32L475E_IOT01
  * @{
  */

/** @defgroup STM32L475E_IOT01_TEMPERATURE TEMPERATURE
  * @{
  */

/** @defgroup STM32L475E_IOT01_TEMPERATURE_Private_Variables TEMPERATURE Private Variables 
  * @{
  */ 
static TSENSOR_DrvTypeDef *tsensor_drv;  
/**
  * @}
  */

/** @defgroup STM32L475E_IOT01_TEMPERATURE_Private_Functions TEMPERATURE Private Functions
  * @{
  */

/**
  * @brief  Initializes peripherals used by the I2C Temperature Sensor driver.
  * @retval TSENSOR status
  */
uint32_t BSP_TSENSOR_Init(void)
{  
  uint8_t ret = TSENSOR_ERROR;

#ifdef USE_LPS22HB_TEMP
  tsensor_drv = &LPS22HB_T_Drv;
#else /* USE_HTS221_TEMP */
  tsensor_drv = &HTS221_T_Drv; 
#endif

  /* Low level init */
  SENSOR_IO_Init();

  /* TSENSOR Init */   
  tsensor_drv->Init(TSENSOR_I2C_ADDRESS, NULL);

  ret = TSENSOR_OK;
  
  return ret;
}

/**
  * @brief  Read Temperature register of TS751.
  * @retval STTS751 measured temperature value.
  */
float BSP_TSENSOR_ReadTemp(void)
{ 
  return tsensor_drv->ReadTemp(TSENSOR_I2C_ADDRESS);
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/