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lib: Add stm32f0 hal and cmsis files
Signed-off-by: Eugene Krashtan <Eugene.Krashtan@opensynergy.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor
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347
lib/hal-stm32f0/source/stm32f0xx_hal_i2c_ex.c
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lib/hal-stm32f0/source/stm32f0xx_hal_i2c_ex.c
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/**
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******************************************************************************
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* @file stm32f0xx_hal_i2c_ex.c
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* @author MCD Application Team
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* @brief I2C Extended HAL module driver.
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* This file provides firmware functions to manage the following
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* functionalities of I2C Extended peripheral:
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* + Extended features functions
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*
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@verbatim
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==============================================================================
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##### I2C peripheral Extended features #####
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==============================================================================
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[..] Comparing to other previous devices, the I2C interface for STM32F0xx
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devices contains the following additional features
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(+) Possibility to disable or enable Analog Noise Filter
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(+) Use of a configured Digital Noise Filter
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(+) Disable or enable wakeup from Stop mode
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##### How to use this driver #####
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==============================================================================
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[..] This driver provides functions to configure Noise Filter and Wake Up Feature
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(#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
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(#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
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(#) Configure the enable or disable of I2C Wake Up Mode using the functions :
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(++) HAL_I2CEx_EnableWakeUp()
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(++) HAL_I2CEx_DisableWakeUp()
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(#) Configure the enable or disable of fast mode plus driving capability using the functions :
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(++) HAL_I2CEx_EnableFastModePlus()
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(++) HAL_I2CEx_DisableFastModePlus()
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@endverbatim
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f0xx_hal.h"
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/** @addtogroup STM32F0xx_HAL_Driver
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* @{
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*/
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/** @defgroup I2CEx I2CEx
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* @brief I2C Extended HAL module driver
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* @{
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*/
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#ifdef HAL_I2C_MODULE_ENABLED
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions
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* @{
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*/
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/** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions
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* @brief Extended features functions
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*
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@verbatim
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===============================================================================
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##### Extended features functions #####
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===============================================================================
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[..] This section provides functions allowing to:
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(+) Configure Noise Filters
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(+) Configure Wake Up Feature
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@endverbatim
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* @{
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*/
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/**
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* @brief Configure I2C Analog noise filter.
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* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
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* the configuration information for the specified I2Cx peripheral.
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* @param AnalogFilter New state of the Analog filter.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter)
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{
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/* Check the parameters */
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assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
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assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter));
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if (hi2c->State == HAL_I2C_STATE_READY)
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{
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/* Process Locked */
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__HAL_LOCK(hi2c);
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hi2c->State = HAL_I2C_STATE_BUSY;
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/* Disable the selected I2C peripheral */
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__HAL_I2C_DISABLE(hi2c);
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/* Reset I2Cx ANOFF bit */
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hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
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/* Set analog filter bit*/
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hi2c->Instance->CR1 |= AnalogFilter;
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__HAL_I2C_ENABLE(hi2c);
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hi2c->State = HAL_I2C_STATE_READY;
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/* Process Unlocked */
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__HAL_UNLOCK(hi2c);
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return HAL_OK;
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}
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else
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{
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return HAL_BUSY;
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}
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}
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/**
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* @brief Configure I2C Digital noise filter.
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* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
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* the configuration information for the specified I2Cx peripheral.
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* @param DigitalFilter Coefficient of digital noise filter between Min_Data=0x00 and Max_Data=0x0F.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter)
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{
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uint32_t tmpreg = 0U;
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/* Check the parameters */
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assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
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assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter));
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if (hi2c->State == HAL_I2C_STATE_READY)
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{
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/* Process Locked */
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__HAL_LOCK(hi2c);
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hi2c->State = HAL_I2C_STATE_BUSY;
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/* Disable the selected I2C peripheral */
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__HAL_I2C_DISABLE(hi2c);
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/* Get the old register value */
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tmpreg = hi2c->Instance->CR1;
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/* Reset I2Cx DNF bits [11:8] */
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tmpreg &= ~(I2C_CR1_DNF);
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/* Set I2Cx DNF coefficient */
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tmpreg |= DigitalFilter << 8U;
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/* Store the new register value */
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hi2c->Instance->CR1 = tmpreg;
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__HAL_I2C_ENABLE(hi2c);
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hi2c->State = HAL_I2C_STATE_READY;
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/* Process Unlocked */
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__HAL_UNLOCK(hi2c);
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return HAL_OK;
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}
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else
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{
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return HAL_BUSY;
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}
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}
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#if defined(I2C_CR1_WUPEN)
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/**
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* @brief Enable I2C wakeup from stop mode.
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* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
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* the configuration information for the specified I2Cx peripheral.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp(I2C_HandleTypeDef *hi2c)
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{
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/* Check the parameters */
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assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
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if (hi2c->State == HAL_I2C_STATE_READY)
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{
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/* Process Locked */
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__HAL_LOCK(hi2c);
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hi2c->State = HAL_I2C_STATE_BUSY;
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/* Disable the selected I2C peripheral */
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__HAL_I2C_DISABLE(hi2c);
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/* Enable wakeup from stop mode */
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hi2c->Instance->CR1 |= I2C_CR1_WUPEN;
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__HAL_I2C_ENABLE(hi2c);
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hi2c->State = HAL_I2C_STATE_READY;
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/* Process Unlocked */
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__HAL_UNLOCK(hi2c);
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return HAL_OK;
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}
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else
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{
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return HAL_BUSY;
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}
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}
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/**
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* @brief Disable I2C wakeup from stop mode.
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* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
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* the configuration information for the specified I2Cx peripheral.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp(I2C_HandleTypeDef *hi2c)
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{
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/* Check the parameters */
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assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
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if (hi2c->State == HAL_I2C_STATE_READY)
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{
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/* Process Locked */
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__HAL_LOCK(hi2c);
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hi2c->State = HAL_I2C_STATE_BUSY;
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/* Disable the selected I2C peripheral */
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__HAL_I2C_DISABLE(hi2c);
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/* Enable wakeup from stop mode */
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hi2c->Instance->CR1 &= ~(I2C_CR1_WUPEN);
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__HAL_I2C_ENABLE(hi2c);
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hi2c->State = HAL_I2C_STATE_READY;
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/* Process Unlocked */
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__HAL_UNLOCK(hi2c);
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return HAL_OK;
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}
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else
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{
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return HAL_BUSY;
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}
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}
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#endif
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/**
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* @brief Enable the I2C fast mode plus driving capability.
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* @param ConfigFastModePlus Selects the pin.
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* This parameter can be one of the @ref I2CEx_FastModePlus values
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* @note For I2C1, fast mode plus driving capability can be enabled on all selected
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* I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
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* on each one of the following pins PB6, PB7, PB8 and PB9.
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* @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
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* can be enabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
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* @note For all I2C2 pins fast mode plus driving capability can be enabled
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* only by using I2C_FASTMODEPLUS_I2C2 parameter.
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* @retval None
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*/
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void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
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{
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/* Check the parameter */
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assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
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/* Enable SYSCFG clock */
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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/* Enable fast mode plus driving capability for selected pin */
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SET_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
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}
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/**
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* @brief Disable the I2C fast mode plus driving capability.
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* @param ConfigFastModePlus Selects the pin.
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* This parameter can be one of the @ref I2CEx_FastModePlus values
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* @note For I2C1, fast mode plus driving capability can be disabled on all selected
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* I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
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* on each one of the following pins PB6, PB7, PB8 and PB9.
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* @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
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* can be disabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
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* @note For all I2C2 pins fast mode plus driving capability can be disabled
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* only by using I2C_FASTMODEPLUS_I2C2 parameter.
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* @retval None
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*/
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void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
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{
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/* Check the parameter */
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assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
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/* Enable SYSCFG clock */
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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/* Disable fast mode plus driving capability for selected pin */
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CLEAR_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
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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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#endif /* HAL_I2C_MODULE_ENABLED */
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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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