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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c b/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c deleted file mode 100644 index 7522a7a780..0000000000 --- a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c +++ /dev/null @@ -1,210 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f7xx_hal_i2c_ex.c - * @author MCD Application Team - * @version V1.0.1 - * @date 25-June-2015 - * @brief I2C Extended HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of I2C Extended peripheral: - * + Extended features functions - * - @verbatim - ============================================================================== - ##### I2C peripheral Extended features ##### - ============================================================================== - - [..] Comparing to other previous devices, the I2C interface for STM32L4XX - devices contains the following additional features - - (+) Possibility to disable or enable Analog Noise Filter - (+) Use of a configured Digital Noise Filter - (+) Disable or enable wakeup from Stop mode - - ##### How to use this driver ##### - ============================================================================== - [..] This driver provides functions to: - (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter() - (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter() - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions 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 its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "stm32f7xx_hal.h" - -/** @addtogroup STM32F7xx_HAL_Driver - * @{ - */ - -/** @defgroup I2CEx I2C Extended HAL module driver - * @brief I2C Extended HAL module driver - * @{ - */ - -#ifdef HAL_I2C_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions - * @{ - */ - -/** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions - * @brief Extended features functions - * -@verbatim - =============================================================================== - ##### Extended features functions ##### - =============================================================================== - [..] This section provides functions allowing to: - (+) Configure Noise Filters - -@endverbatim - * @{ - */ - -/** - * @brief Configures I2C Analog noise filter. - * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2Cx peripheral. - * @param AnalogFilter : new state of the Analog filter. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter) -{ - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter)); - - if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX) - || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX)) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /* Reset I2Cx ANOFF bit */ - hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF); - - /* Set analog filter bit*/ - hi2c->Instance->CR1 |= AnalogFilter; - - __HAL_I2C_ENABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; -} - -/** - * @brief Configures I2C Digital noise filter. - * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2Cx peripheral. - * @param DigitalFilter : Coefficient of digital noise filter between 0x00 and 0x0F. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter)); - - if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX) - || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX)) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /* Get the old register value */ - tmpreg = hi2c->Instance->CR1; - - /* Reset I2Cx DNF bits [11:8] */ - tmpreg &= ~(I2C_CR1_DFN); - - /* Set I2Cx DNF coefficient */ - tmpreg |= DigitalFilter << 8; - - /* Store the new register value */ - hi2c->Instance->CR1 = tmpreg; - - __HAL_I2C_ENABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; -} - -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_I2C_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |