1 files changed, 117 insertions, 0 deletions
diff --git a/lib/f4/stm32f4xx_hal_i2c_ex.h b/lib/f4/stm32f4xx_hal_i2c_ex.h
new file mode 100644
index 0000000..d98cea3
--- /dev/null
+++ b/lib/f4/stm32f4xx_hal_i2c_ex.h
@@ -0,0 +1,117 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_hal_i2c_ex.h
+  * @author  MCD Application Team
+  * @brief   Header file of I2C HAL Extension module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_I2C_EX_H
+#define __STM32F4xx_HAL_I2C_EX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if  defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF)
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal_def.h"
+
+/** @addtogroup STM32F4xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup I2CEx
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup I2CEx_Exported_Constants I2C Exported Constants
+  * @{
+  */
+
+/** @defgroup I2CEx_Analog_Filter I2C Analog Filter
+  * @{
+  */
+#define I2C_ANALOGFILTER_ENABLE        0x00000000U
+#define I2C_ANALOGFILTER_DISABLE       I2C_FLTR_ANOFF
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup I2CEx_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup I2CEx_Exported_Functions_Group1
+  * @{
+  */
+/* Peripheral Control functions  ************************************************/
+HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter);
+HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter);
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup I2CEx_Private_Constants I2C Private Constants
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup I2CEx_Private_Macros I2C Private Macros
+  * @{
+  */
+#define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_ANALOGFILTER_ENABLE) || \
+                                      ((FILTER) == I2C_ANALOGFILTER_DISABLE))
+#define IS_I2C_DIGITAL_FILTER(FILTER)   ((FILTER) <= 0x0000000FU)
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_I2C_EX_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/