diff l476rg/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h @ 0:32a3b1785697

a rough draft of Hardware Abstraction Layer for C++ STM32L476RG drivers
author cin
date Thu, 12 Jan 2017 02:45:43 +0300
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/l476rg/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h	Thu Jan 12 02:45:43 2017 +0300
@@ -0,0 +1,638 @@
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_hal_uart_ex.h
+  * @author  MCD Application Team
+  * @version V1.6.0
+  * @date    28-October-2016
+  * @brief   Header file of UART HAL Extended module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 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.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_HAL_UART_EX_H
+#define __STM32L4xx_HAL_UART_EX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_hal_def.h"
+
+/** @addtogroup STM32L4xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup UARTEx
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/** @defgroup UARTEx_Exported_Types UARTEx Exported Types
+  * @{
+  */
+
+/**
+  * @brief  UART wake up from stop mode parameters
+  */
+typedef struct
+{
+  uint32_t WakeUpEvent;        /*!< Specifies which event will activat the Wakeup from Stop mode flag (WUF).
+                                    This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection.
+                                    If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must
+                                    be filled up. */
+
+  uint16_t AddressLength;      /*!< Specifies whether the address is 4 or 7-bit long.
+                                    This parameter can be a value of @ref UARTEx_WakeUp_Address_Length.  */
+
+  uint8_t Address;             /*!< UART/USART node address (7-bit long max). */
+} UART_WakeUpTypeDef;
+
+/**
+  * @}
+  */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
+  * @{
+  */
+
+/** @defgroup UARTEx_Word_Length UART Word Length
+  * @{
+  */
+#define UART_WORDLENGTH_7B                  ((uint32_t)USART_CR1_M1)   /*!< 7-bit long UART frame */
+#define UART_WORDLENGTH_8B                  ((uint32_t)0x00000000)     /*!< 8-bit long UART frame */
+#define UART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M0)   /*!< 9-bit long UART frame */
+/**
+  * @}
+  */
+  
+/** @defgroup UARTEx_WakeUp_Address_Length UART Extended WakeUp Address Length
+  * @{
+  */
+#define UART_ADDRESS_DETECT_4B              ((uint32_t)0x00000000)       /*!< 4-bit long wake-up address */
+#define UART_ADDRESS_DETECT_7B              ((uint32_t)USART_CR2_ADDM7)  /*!< 7-bit long wake-up address */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup UARTEx_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup UARTEx_Exported_Functions_Group1
+  * @{
+  */
+
+/* Initialization and de-initialization functions  ****************************/
+HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime);
+
+/**
+  * @}
+  */
+
+/* IO operation functions *****************************************************/
+
+/** @addtogroup UARTEx_Exported_Functions_Group3
+  * @{
+  */
+
+/* Peripheral Control functions  **********************************************/
+HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection);
+HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart);
+HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart);
+HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);
+void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup UARTEx_Private_Macros UARTEx Private Macros
+  * @{
+  */
+
+/** @brief  Report the UART clock source.
+  * @param  __HANDLE__: specifies the UART Handle.
+  * @param  __CLOCKSOURCE__: output variable.
+  * @retval UART clocking source, written in __CLOCKSOURCE__.
+  */
+#if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx)    
+#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
+  do {                                                        \
+    if((__HANDLE__)->Instance == USART1)                      \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
+       {                                                      \
+        case RCC_USART1CLKSOURCE_PCLK2:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART2)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
+       {                                                      \
+        case RCC_USART2CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART3)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART3_SOURCE())                  \
+       {                                                      \
+        case RCC_USART3CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == UART4)                  \
+    {                                                         \
+       switch(__HAL_RCC_GET_UART4_SOURCE())                   \
+       {                                                      \
+        case RCC_UART4CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_UART4CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_UART4CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_UART4CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if ((__HANDLE__)->Instance == UART5)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_UART5_SOURCE())                   \
+       {                                                      \
+        case RCC_UART5CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_UART5CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_UART5CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_UART5CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == LPUART1)                \
+    {                                                         \
+       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
+       {                                                      \
+        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_HSI:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_LSE:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+  } while(0)
+#elif defined (STM32L431xx) || defined (STM32L433xx) || defined (STM32L443xx)
+#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
+  do {                                                        \
+    if((__HANDLE__)->Instance == USART1)                      \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
+       {                                                      \
+        case RCC_USART1CLKSOURCE_PCLK2:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART2)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
+       {                                                      \
+        case RCC_USART2CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART3)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART3_SOURCE())                  \
+       {                                                      \
+        case RCC_USART3CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == LPUART1)                \
+    {                                                         \
+       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
+       {                                                      \
+        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_HSI:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_LSE:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+  } while(0)
+#elif defined (STM32L432xx) || defined (STM32L442xx)
+#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
+  do {                                                        \
+    if((__HANDLE__)->Instance == USART1)                      \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
+       {                                                      \
+        case RCC_USART1CLKSOURCE_PCLK2:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART2)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
+       {                                                      \
+        case RCC_USART2CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == LPUART1)                \
+    {                                                         \
+       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
+       {                                                      \
+        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_HSI:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_LSE:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+  } while(0)
+#elif defined (STM32L451xx) || defined (STM32L452xx) || defined (STM32L462xx)
+#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__)       \
+  do {                                                        \
+    if((__HANDLE__)->Instance == USART1)                      \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                  \
+       {                                                      \
+        case RCC_USART1CLKSOURCE_PCLK2:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2;         \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART1CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART2)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART2_SOURCE())                  \
+       {                                                      \
+        case RCC_USART2CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART2CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == USART3)                 \
+    {                                                         \
+       switch(__HAL_RCC_GET_USART3_SOURCE())                  \
+       {                                                      \
+        case RCC_USART3CLKSOURCE_PCLK1:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_HSI:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_SYSCLK:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_USART3CLKSOURCE_LSE:                         \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == UART4)                  \
+    {                                                         \
+       switch(__HAL_RCC_GET_UART4_SOURCE())                   \
+       {                                                      \
+        case RCC_UART4CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_UART4CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_UART4CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_UART4CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+    else if((__HANDLE__)->Instance == LPUART1)                \
+    {                                                         \
+       switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
+       {                                                      \
+        case RCC_LPUART1CLKSOURCE_PCLK1:                      \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1;         \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_HSI:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI;           \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK;        \
+          break;                                              \
+        case RCC_LPUART1CLKSOURCE_LSE:                        \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE;           \
+          break;                                              \
+        default:                                              \
+          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                              \
+       }                                                      \
+    }                                                         \
+  } while(0)  
+#endif
+
+/** @brief  Report the UART mask to apply to retrieve the received data
+  *         according to the word length and to the parity bits activation.
+  * @note   If PCE = 1, the parity bit is not included in the data extracted
+  *         by the reception API().
+  *         This masking operation is not carried out in the case of
+  *         DMA transfers.
+  * @param  __HANDLE__: specifies the UART Handle.
+  * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
+  */
+#define UART_MASK_COMPUTATION(__HANDLE__)                             \
+  do {                                                                \
+  if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B)            \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x01FF ;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x00FF ;                                 \
+     }                                                                \
+  }                                                                   \
+  else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B)       \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x00FF ;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x007F ;                                 \
+     }                                                                \
+  }                                                                   \
+  else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B)       \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x007F ;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x003F ;                                 \
+     }                                                                \
+  }                                                                   \
+} while(0)
+
+
+/**
+  * @brief Ensure that UART frame length is valid.
+  * @param __LENGTH__: UART frame length. 
+  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
+  */
+#define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
+                                         ((__LENGTH__) == UART_WORDLENGTH_8B) || \
+                                         ((__LENGTH__) == UART_WORDLENGTH_9B))
+
+/**
+  * @brief Ensure that UART wake-up address length is valid.
+  * @param __ADDRESS__: UART wake-up address length. 
+  * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
+  */
+#define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
+                                                   ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))
+
+/**
+  * @}
+  */
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L4xx_HAL_UART_EX_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/