Contains the BSP driver for the B-L475E-IOT01 board.
Dependents: mbed-os-example-ble-Thermometer DISCO_L475VG_IOT01-Telegram-BOT DISCO_L475VG_IOT01-sche_cheveux DISCO_L475VG_IOT01-QSPI_FLASH_FILE_SYSTEM ... more
https://os.mbed.com/platforms/ST-Discovery-L475E-IOT01A/
Drivers/BSP/B-L475E-IOT01/stm32l475e_iot01_hsensor.c@3:c6b5944187d5, 2017-04-14 (annotated)
- Committer:
- bcostm
- Date:
- Fri Apr 14 11:34:20 2017 +0200
- Revision:
- 3:c6b5944187d5
- Child:
- 5:0c70bc6d2dc0
Add BSP/B-L4755-IOT01 folder + files
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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bcostm | 3:c6b5944187d5 | 1 | /** |
bcostm | 3:c6b5944187d5 | 2 | ****************************************************************************** |
bcostm | 3:c6b5944187d5 | 3 | * @file stm32l475e_iot01_hsensor.c |
bcostm | 3:c6b5944187d5 | 4 | * @author MCD Application Team |
bcostm | 3:c6b5944187d5 | 5 | * @version V1.0.0 |
bcostm | 3:c6b5944187d5 | 6 | * @date 17-March-2017 |
bcostm | 3:c6b5944187d5 | 7 | * @brief This file provides a set of functions needed to manage the humidity sensor |
bcostm | 3:c6b5944187d5 | 8 | ****************************************************************************** |
bcostm | 3:c6b5944187d5 | 9 | * @attention |
bcostm | 3:c6b5944187d5 | 10 | * |
bcostm | 3:c6b5944187d5 | 11 | * <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V. |
bcostm | 3:c6b5944187d5 | 12 | * All rights reserved.</center></h2> |
bcostm | 3:c6b5944187d5 | 13 | * |
bcostm | 3:c6b5944187d5 | 14 | * Redistribution and use in source and binary forms, with or without |
bcostm | 3:c6b5944187d5 | 15 | * modification, are permitted, provided that the following conditions are met: |
bcostm | 3:c6b5944187d5 | 16 | * |
bcostm | 3:c6b5944187d5 | 17 | * 1. Redistribution of source code must retain the above copyright notice, |
bcostm | 3:c6b5944187d5 | 18 | * this list of conditions and the following disclaimer. |
bcostm | 3:c6b5944187d5 | 19 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bcostm | 3:c6b5944187d5 | 20 | * this list of conditions and the following disclaimer in the documentation |
bcostm | 3:c6b5944187d5 | 21 | * and/or other materials provided with the distribution. |
bcostm | 3:c6b5944187d5 | 22 | * 3. Neither the name of STMicroelectronics nor the names of other |
bcostm | 3:c6b5944187d5 | 23 | * contributors to this software may be used to endorse or promote products |
bcostm | 3:c6b5944187d5 | 24 | * derived from this software without specific written permission. |
bcostm | 3:c6b5944187d5 | 25 | * 4. This software, including modifications and/or derivative works of this |
bcostm | 3:c6b5944187d5 | 26 | * software, must execute solely and exclusively on microcontroller or |
bcostm | 3:c6b5944187d5 | 27 | * microprocessor devices manufactured by or for STMicroelectronics. |
bcostm | 3:c6b5944187d5 | 28 | * 5. Redistribution and use of this software other than as permitted under |
bcostm | 3:c6b5944187d5 | 29 | * this license is void and will automatically terminate your rights under |
bcostm | 3:c6b5944187d5 | 30 | * this license. |
bcostm | 3:c6b5944187d5 | 31 | * |
bcostm | 3:c6b5944187d5 | 32 | * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" |
bcostm | 3:c6b5944187d5 | 33 | * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT |
bcostm | 3:c6b5944187d5 | 34 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
bcostm | 3:c6b5944187d5 | 35 | * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY |
bcostm | 3:c6b5944187d5 | 36 | * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT |
bcostm | 3:c6b5944187d5 | 37 | * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
bcostm | 3:c6b5944187d5 | 38 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
bcostm | 3:c6b5944187d5 | 39 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
bcostm | 3:c6b5944187d5 | 40 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
bcostm | 3:c6b5944187d5 | 41 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
bcostm | 3:c6b5944187d5 | 42 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
bcostm | 3:c6b5944187d5 | 43 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bcostm | 3:c6b5944187d5 | 44 | * |
bcostm | 3:c6b5944187d5 | 45 | ****************************************************************************** |
bcostm | 3:c6b5944187d5 | 46 | */ |
bcostm | 3:c6b5944187d5 | 47 | |
bcostm | 3:c6b5944187d5 | 48 | /* Includes ------------------------------------------------------------------*/ |
bcostm | 3:c6b5944187d5 | 49 | #include "stm32l475e_iot01_hsensor.h" |
bcostm | 3:c6b5944187d5 | 50 | |
bcostm | 3:c6b5944187d5 | 51 | /** @addtogroup BSP |
bcostm | 3:c6b5944187d5 | 52 | * @{ |
bcostm | 3:c6b5944187d5 | 53 | */ |
bcostm | 3:c6b5944187d5 | 54 | |
bcostm | 3:c6b5944187d5 | 55 | /** @addtogroup STM32L475E_IOT01 |
bcostm | 3:c6b5944187d5 | 56 | * @{ |
bcostm | 3:c6b5944187d5 | 57 | */ |
bcostm | 3:c6b5944187d5 | 58 | |
bcostm | 3:c6b5944187d5 | 59 | /** @defgroup STM32L475E_IOT01_HUMIDITY HUMIDITY |
bcostm | 3:c6b5944187d5 | 60 | * @{ |
bcostm | 3:c6b5944187d5 | 61 | */ |
bcostm | 3:c6b5944187d5 | 62 | |
bcostm | 3:c6b5944187d5 | 63 | /** @defgroup STM32L475E_IOT01_HUMIDITY_Private_Variables HUMIDITY Private Variables |
bcostm | 3:c6b5944187d5 | 64 | * @{ |
bcostm | 3:c6b5944187d5 | 65 | */ |
bcostm | 3:c6b5944187d5 | 66 | static HSENSOR_DrvTypeDef *Hsensor_drv; |
bcostm | 3:c6b5944187d5 | 67 | /** |
bcostm | 3:c6b5944187d5 | 68 | * @} |
bcostm | 3:c6b5944187d5 | 69 | */ |
bcostm | 3:c6b5944187d5 | 70 | |
bcostm | 3:c6b5944187d5 | 71 | /** @defgroup STM32L475E_IOT01_HUMIDITY_Private_Functions HUMIDITY Private Functions |
bcostm | 3:c6b5944187d5 | 72 | * @{ |
bcostm | 3:c6b5944187d5 | 73 | */ |
bcostm | 3:c6b5944187d5 | 74 | |
bcostm | 3:c6b5944187d5 | 75 | /** |
bcostm | 3:c6b5944187d5 | 76 | * @brief Initializes peripherals used by the I2C Humidity Sensor driver. |
bcostm | 3:c6b5944187d5 | 77 | * @retval HSENSOR status |
bcostm | 3:c6b5944187d5 | 78 | */ |
bcostm | 3:c6b5944187d5 | 79 | uint32_t BSP_HSENSOR_Init(void) |
bcostm | 3:c6b5944187d5 | 80 | { |
bcostm | 3:c6b5944187d5 | 81 | uint32_t ret; |
bcostm | 3:c6b5944187d5 | 82 | |
bcostm | 3:c6b5944187d5 | 83 | if(HTS221_H_Drv.ReadID(HTS221_I2C_ADDRESS) != HTS221_WHO_AM_I_VAL) |
bcostm | 3:c6b5944187d5 | 84 | { |
bcostm | 3:c6b5944187d5 | 85 | ret = HSENSOR_ERROR; |
bcostm | 3:c6b5944187d5 | 86 | } |
bcostm | 3:c6b5944187d5 | 87 | else |
bcostm | 3:c6b5944187d5 | 88 | { |
bcostm | 3:c6b5944187d5 | 89 | Hsensor_drv = &HTS221_H_Drv; |
bcostm | 3:c6b5944187d5 | 90 | /* HSENSOR Init */ |
bcostm | 3:c6b5944187d5 | 91 | Hsensor_drv->Init(HTS221_I2C_ADDRESS); |
bcostm | 3:c6b5944187d5 | 92 | ret = HSENSOR_OK; |
bcostm | 3:c6b5944187d5 | 93 | } |
bcostm | 3:c6b5944187d5 | 94 | |
bcostm | 3:c6b5944187d5 | 95 | return ret; |
bcostm | 3:c6b5944187d5 | 96 | } |
bcostm | 3:c6b5944187d5 | 97 | |
bcostm | 3:c6b5944187d5 | 98 | /** |
bcostm | 3:c6b5944187d5 | 99 | * @brief Read ID of HTS221. |
bcostm | 3:c6b5944187d5 | 100 | * @retval HTS221 ID value. |
bcostm | 3:c6b5944187d5 | 101 | */ |
bcostm | 3:c6b5944187d5 | 102 | uint8_t BSP_HSENSOR_ReadID(void) |
bcostm | 3:c6b5944187d5 | 103 | { |
bcostm | 3:c6b5944187d5 | 104 | return Hsensor_drv->ReadID(HTS221_I2C_ADDRESS); |
bcostm | 3:c6b5944187d5 | 105 | } |
bcostm | 3:c6b5944187d5 | 106 | |
bcostm | 3:c6b5944187d5 | 107 | /** |
bcostm | 3:c6b5944187d5 | 108 | * @brief Read Humidity register of HTS221. |
bcostm | 3:c6b5944187d5 | 109 | * @retval HTS221 measured humidity value. |
bcostm | 3:c6b5944187d5 | 110 | */ |
bcostm | 3:c6b5944187d5 | 111 | float BSP_HSENSOR_ReadHumidity(void) |
bcostm | 3:c6b5944187d5 | 112 | { |
bcostm | 3:c6b5944187d5 | 113 | return Hsensor_drv->ReadHumidity(HTS221_I2C_ADDRESS); |
bcostm | 3:c6b5944187d5 | 114 | } |
bcostm | 3:c6b5944187d5 | 115 | /** |
bcostm | 3:c6b5944187d5 | 116 | * @} |
bcostm | 3:c6b5944187d5 | 117 | */ |
bcostm | 3:c6b5944187d5 | 118 | |
bcostm | 3:c6b5944187d5 | 119 | /** |
bcostm | 3:c6b5944187d5 | 120 | * @} |
bcostm | 3:c6b5944187d5 | 121 | */ |
bcostm | 3:c6b5944187d5 | 122 | |
bcostm | 3:c6b5944187d5 | 123 | /** |
bcostm | 3:c6b5944187d5 | 124 | * @} |
bcostm | 3:c6b5944187d5 | 125 | */ |
bcostm | 3:c6b5944187d5 | 126 | |
bcostm | 3:c6b5944187d5 | 127 | /** |
bcostm | 3:c6b5944187d5 | 128 | * @} |
bcostm | 3:c6b5944187d5 | 129 | */ |
bcostm | 3:c6b5944187d5 | 130 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |