103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/**
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******************************************************************************
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* @file stm32l475e_iot01_hsensor.c
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* @author MCD Application Team
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* @brief This file provides a set of functions needed to manage the humidity sensor
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l475e_iot01_hsensor.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup STM32L475E_IOT01
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* @{
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*/
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/** @defgroup STM32L475E_IOT01_HUMIDITY HUMIDITY
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* @{
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*/
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/** @defgroup STM32L475E_IOT01_HUMIDITY_Private_Variables HUMIDITY Private Variables
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* @{
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*/
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static HSENSOR_DrvTypeDef *Hsensor_drv;
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/**
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* @}
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*/
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/** @defgroup STM32L475E_IOT01_HUMIDITY_Private_Functions HUMIDITY Private Functions
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* @{
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*/
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/**
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* @brief Initializes peripherals used by the I2C Humidity Sensor driver.
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* @retval HSENSOR status
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*/
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uint32_t BSP_HSENSOR_Init(void)
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{
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uint32_t ret;
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if(HTS221_H_Drv.ReadID(HTS221_I2C_ADDRESS) != HTS221_WHO_AM_I_VAL)
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{
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ret = HSENSOR_ERROR;
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}
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else
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{
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Hsensor_drv = &HTS221_H_Drv;
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/* HSENSOR Init */
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Hsensor_drv->Init(HTS221_I2C_ADDRESS);
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ret = HSENSOR_OK;
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}
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return ret;
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}
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/**
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* @brief Read ID of HTS221.
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* @retval HTS221 ID value.
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*/
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uint8_t BSP_HSENSOR_ReadID(void)
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{
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return Hsensor_drv->ReadID(HTS221_I2C_ADDRESS);
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}
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/**
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* @brief Read Humidity register of HTS221.
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* @retval HTS221 measured humidity value.
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*/
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float BSP_HSENSOR_ReadHumidity(void)
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{
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return Hsensor_drv->ReadHumidity(HTS221_I2C_ADDRESS);
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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