/**
******************************************************************************
* @file stm32l475e_iot01_hsensor.c
* @author MCD Application Team
* @brief This file provides a set of functions needed to manage the humidity sensor
******************************************************************************
* @attention
*
*
© Copyright (c) 2017 STMicroelectronics International N.V.
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*
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* modification, are permitted, provided that the following conditions are met:
*
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* this list of conditions and the following disclaimer.
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* 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
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*
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32l475e_iot01_hsensor.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32L475E_IOT01
* @{
*/
/** @defgroup STM32L475E_IOT01_HUMIDITY HUMIDITY
* @{
*/
/** @defgroup STM32L475E_IOT01_HUMIDITY_Private_Variables HUMIDITY Private Variables
* @{
*/
static HSENSOR_DrvTypeDef *Hsensor_drv;
/**
* @}
*/
/** @defgroup STM32L475E_IOT01_HUMIDITY_Private_Functions HUMIDITY Private Functions
* @{
*/
/**
* @brief Initializes peripherals used by the I2C Humidity Sensor driver.
* @retval HSENSOR status
*/
uint32_t BSP_HSENSOR_Init(void)
{
uint32_t ret;
if(HTS221_H_Drv.ReadID(HTS221_I2C_ADDRESS) != HTS221_WHO_AM_I_VAL)
{
ret = HSENSOR_ERROR;
}
else
{
Hsensor_drv = &HTS221_H_Drv;
/* HSENSOR Init */
Hsensor_drv->Init(HTS221_I2C_ADDRESS);
ret = HSENSOR_OK;
}
return ret;
}
/**
* @brief Read ID of HTS221.
* @retval HTS221 ID value.
*/
uint8_t BSP_HSENSOR_ReadID(void)
{
return Hsensor_drv->ReadID(HTS221_I2C_ADDRESS);
}
/**
* @brief Read Humidity register of HTS221.
* @retval HTS221 measured humidity value.
*/
float BSP_HSENSOR_ReadHumidity(void)
{
return Hsensor_drv->ReadHumidity(HTS221_I2C_ADDRESS);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/