2 ******************************************************************************
3 * @file stm32f4xx_hal_i2c_ex.h
4 * @author MCD Application Team
7 * @brief Header file of I2C HAL Extension module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F4xx_HAL_I2C_EX_H
40 #define __STM32F4xx_HAL_I2C_EX_H
46 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) ||\
47 defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE)
48 /* Includes ------------------------------------------------------------------*/
49 #include "stm32f4xx_hal_def.h"
51 /** @addtogroup STM32F4xx_HAL_Driver
59 /* Exported types ------------------------------------------------------------*/
60 /* Exported constants --------------------------------------------------------*/
62 /** @defgroup I2CEx_Exported_Constants
66 /** @defgroup I2CEx_Analog_Filter
69 #define I2C_ANALOGFILTER_ENABLED ((uint32_t)0x00000000)
70 #define I2C_ANALOGFILTER_DISABLED I2C_FLTR_ANOFF
72 #define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_ANALOGFILTER_ENABLED) || \
73 ((FILTER) == I2C_ANALOGFILTER_DISABLED))
78 /** @defgroup I2CEx_Digital_Filter
81 #define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F)
90 /* Exported macro ------------------------------------------------------------*/
91 /* Exported functions --------------------------------------------------------*/
93 /* Peripheral Control functions ************************************************/
94 HAL_StatusTypeDef HAL_I2CEx_AnalogFilter_Config(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter);
95 HAL_StatusTypeDef HAL_I2CEx_DigitalFilter_Config(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter);
100 #endif /* STM32F427xx || STM32F429xx || STM32F437xx || STM32F439xx || STM32F401xC || STM32F401xE */
109 #endif /* __STM32F4xx_HAL_I2C_EX_H */
112 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/