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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

Revision:
171:3a7713b1edbc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_F030R8/TOOLCHAIN_ARM_MICRO/stm32f0xx_hal_usart_ex.h	Thu Nov 08 11:45:42 2018 +0000
@@ -0,0 +1,585 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_hal_usart_ex.h
+  * @author  MCD Application Team
+  * @brief   Header file of USART 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 __STM32F0xx_HAL_USART_EX_H
+#define __STM32F0xx_HAL_USART_EX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal_def.h"
+
+/** @addtogroup STM32F0xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup USARTEx
+  * @{
+  */
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
+  * @{
+  */
+
+/** @defgroup USARTEx_Word_Length USARTEx Word Length
+  * @{
+  */
+#if defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F070x6) || \
+    defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || defined (STM32F070xB) || \
+    defined (STM32F091xC) || defined (STM32F098xx) || defined (STM32F030xC)
+#define USART_WORDLENGTH_7B                  ((uint32_t)USART_CR1_M1)   /*!< 7-bit long USART frame */ 
+#define USART_WORDLENGTH_8B                  (0x00000000U)              /*!< 8-bit long USART frame */ 
+#define USART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M0)   /*!< 9-bit long USART frame */ 
+#else
+#define USART_WORDLENGTH_8B                  (0x00000000U)              /*!< 8-bit long USART frame */ 
+#define USART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)    /*!< 9-bit long USART frame */ 
+#endif /* defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F070x6) || defined (STM32F070xB) || \
+          defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \
+          defined (STM32F091xC) || defined (STM32F098xx) || defined (STM32F030xC) */
+/**
+  * @}
+  */
+
+/** @defgroup USART_Request_Parameters USARTEx Request Parameters
+  * @{
+  */
+#define USART_RXDATA_FLUSH_REQUEST        ((uint32_t)USART_RQR_RXFRQ)        /*!< Receive Data flush Request  */
+#if !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC)
+#define USART_TXDATA_FLUSH_REQUEST        ((uint32_t)USART_RQR_TXFRQ)        /*!< Transmit data flush Request */
+#else
+#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC) */ 
+/**
+  * @}
+  */
+
+/** @defgroup USART_Flags      USART Flags
+  *        Elements values convention: 0xXXXX
+  *           - 0xXXXX  : Flag mask in the ISR register
+  * @{
+  */
+#if !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC)
+#define USART_FLAG_REACK                     (0x00400000U)    /*!< USART receive enable acknowledge flag  */
+#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC) */
+#define USART_FLAG_TEACK                     (0x00200000U)    /*!< USART transmit enable acknowledge flag */
+#define USART_FLAG_BUSY                      (0x00010000U)    /*!< USART busy flag                        */
+#define USART_FLAG_CTS                       (0x00000400U)    /*!< USART clear to send flag               */
+#define USART_FLAG_CTSIF                     (0x00000200U)    /*!< USART clear to send interrupt flag     */
+#define USART_FLAG_TXE                       (0x00000080U)    /*!< USART transmit data register empty     */
+#define USART_FLAG_TC                        (0x00000040U)    /*!< USART transmission complete            */
+#define USART_FLAG_RXNE                      (0x00000020U)    /*!< USART read data register not empty     */
+#define USART_FLAG_IDLE                      (0x00000010U)    /*!< USART idle flag                        */
+#define USART_FLAG_ORE                       (0x00000008U)    /*!< USART overrun error                    */
+#define USART_FLAG_NE                        (0x00000004U)    /*!< USART noise error                      */
+#define USART_FLAG_FE                        (0x00000002U)    /*!< USART frame error                      */
+#define USART_FLAG_PE                        (0x00000001U)    /*!< USART parity error                     */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macros ------------------------------------------------------------*/
+/** @defgroup USARTEx_Exported_Macros USARTEx Exported Macros
+  * @{
+  */
+
+/** @brief  Flush the USART Data registers.
+  * @param  __HANDLE__ specifies the USART Handle.
+  * @retval None  
+  */
+#if !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC)
+#define __HAL_USART_FLUSH_DRREGISTER(__HANDLE__)  \
+  do{                \
+      SET_BIT((__HANDLE__)->Instance->RQR, USART_RXDATA_FLUSH_REQUEST); \
+      SET_BIT((__HANDLE__)->Instance->RQR, USART_TXDATA_FLUSH_REQUEST); \
+    }  while(0)
+#else
+#define __HAL_USART_FLUSH_DRREGISTER(__HANDLE__)  \
+  do{                \
+      SET_BIT((__HANDLE__)->Instance->RQR, USART_RXDATA_FLUSH_REQUEST); \
+    }  while(0)
+#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC) */ 
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup USARTEx_Private_Macros USARTEx Private Macros
+  * @{
+  */
+
+/** @brief  Report the USART clock source.
+  * @param  __HANDLE__ specifies the USART Handle.
+  * @param  __CLOCKSOURCE__ output variable.
+  * @retval the USART clocking source, written in __CLOCKSOURCE__.
+  */
+#if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx)
+#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
+  do {                                                         \
+     switch(__HAL_RCC_GET_USART1_SOURCE())                     \
+     {                                                         \
+      case RCC_USART1CLKSOURCE_PCLK1:                          \
+        (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;           \
+        break;                                                 \
+      case RCC_USART1CLKSOURCE_HSI:                            \
+        (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;             \
+        break;                                                 \
+      case RCC_USART1CLKSOURCE_SYSCLK:                         \
+        (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;          \
+        break;                                                 \
+      case RCC_USART1CLKSOURCE_LSE:                            \
+        (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;             \
+        break;                                                 \
+      default:                                                 \
+        (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;       \
+        break;                                                 \
+     }                                                         \
+  } while(0)
+#elif defined (STM32F030x8) || defined (STM32F070x6) ||        \
+      defined (STM32F042x6) || defined (STM32F048xx) ||        \
+      defined (STM32F051x8) || defined (STM32F058xx)
+#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
+  do {                                                         \
+    if((__HANDLE__)->Instance == USART1)                       \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
+       {                                                       \
+        case RCC_USART1CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART2)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else                                                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;         \
+    }                                                          \
+  } while(0)
+#elif defined (STM32F070xB)
+#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
+  do {                                                         \
+    if((__HANDLE__)->Instance == USART1)                       \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
+       {                                                       \
+        case RCC_USART1CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART2)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART3)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART4)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else                                                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;         \
+    }                                                          \
+  } while(0)
+#elif defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
+#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
+  do {                                                         \
+    if((__HANDLE__)->Instance == USART1)                       \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
+       {                                                       \
+        case RCC_USART1CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART2)                  \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
+       {                                                       \
+        case RCC_USART2CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART2CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART2CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART2CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART3)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART4)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else                                                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;         \
+    }                                                          \
+  } while(0)
+#elif defined(STM32F091xC) || defined (STM32F098xx)
+#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
+  do {                                                         \
+    if((__HANDLE__)->Instance == USART1)                       \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
+       {                                                       \
+        case RCC_USART1CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART2)                  \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART2_SOURCE())                   \
+       {                                                       \
+        case RCC_USART2CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART2CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART2CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART2CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART3)                  \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART3_SOURCE())                   \
+       {                                                       \
+        case RCC_USART3CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART3CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART3CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART3CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART4)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART5)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART6)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART7)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART8)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else                                                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;         \
+    }                                                          \
+  } while(0)
+#elif defined(STM32F030xC)
+#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
+  do {                                                         \
+    if((__HANDLE__)->Instance == USART1)                       \
+    {                                                          \
+       switch(__HAL_RCC_GET_USART1_SOURCE())                   \
+       {                                                       \
+        case RCC_USART1CLKSOURCE_PCLK1:                        \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;         \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_HSI:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI;           \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_SYSCLK:                       \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK;        \
+          break;                                               \
+        case RCC_USART1CLKSOURCE_LSE:                          \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE;           \
+          break;                                               \
+        default:                                               \
+          (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;     \
+          break;                                               \
+       }                                                       \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART2)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART3)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART4)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART5)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else if((__HANDLE__)->Instance == USART6)                  \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1;             \
+    }                                                          \
+    else                                                       \
+    {                                                          \
+      (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED;         \
+    }                                                          \
+  } while(0)
+#endif /* defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) */
+
+
+/** @brief  Compute the USART 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 USART Handle.
+  * @retval None, the mask to apply to USART RDR register is stored in (__HANDLE__)->Mask field.
+  */
+#if defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F070x6) || \
+    defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || defined (STM32F070xB) || \
+    defined (STM32F091xC) || defined (STM32F098xx) || defined (STM32F030xC)
+#define USART_MASK_COMPUTATION(__HANDLE__)                            \
+  do {                                                                \
+  if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B)           \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE)              \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x01FFU;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x00FFU;                                 \
+     }                                                                \
+  }                                                                   \
+  else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B)      \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE)              \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x00FFU;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x007FU;                                 \
+     }                                                                \
+  }                                                                   \
+  else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B)      \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE)              \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x007FU;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x003FU;                                 \
+     }                                                                \
+  }                                                                   \
+} while(0)
+#else
+#define USART_MASK_COMPUTATION(__HANDLE__)                            \
+  do {                                                                \
+  if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B)           \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE)              \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x01FFU;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x00FFU;                                 \
+     }                                                                \
+  }                                                                   \
+  else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B)      \
+  {                                                                   \
+     if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE)              \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x00FFU;                                 \
+     }                                                                \
+     else                                                             \
+     {                                                                \
+        (__HANDLE__)->Mask = 0x007FU;                                 \
+     }                                                                \
+  }                                                                   \
+} while(0)
+#endif /* defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F070x6) || \
+          defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || defined (STM32F070xB) || \
+          defined (STM32F091xC) || defined (STM32F098xx) || defined (STM32F030xC) */
+
+
+/**
+  * @brief Ensure that USART frame length is valid.
+  * @param __LENGTH__ USART frame length. 
+  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
+  */
+#if defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F070x6) || \
+    defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || defined (STM32F070xB) || \
+    defined (STM32F091xC) || defined (STM32F098xx) || defined (STM32F030xC)
+#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
+                                          ((__LENGTH__) == USART_WORDLENGTH_8B) || \
+                                          ((__LENGTH__) == USART_WORDLENGTH_9B))
+#else
+#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_8B) || \
+                                          ((__LENGTH__) == USART_WORDLENGTH_9B))
+#endif /* defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F070x6) || defined (STM32F070xB) || \
+          defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \
+          defined (STM32F091xC) || defined (STM32F098xx) || defined (STM32F030xC) */
+
+/**
+  * @brief Ensure that USART request parameter is valid.
+  * @param __PARAM__ USART request parameter. 
+  * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
+  */
+#if !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC)
+#define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \
+                                               ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST))
+#else
+#define IS_USART_REQUEST_PARAMETER(__PARAM__) ((__PARAM__) == USART_RXDATA_FLUSH_REQUEST)
+#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6)  && !defined(STM32F070xB)  && !defined(STM32F030xC) */ 
+
+/**
+  * @}
+  */
+
+/* Exported functions --------------------------------------------------------*/
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_HAL_USART_EX_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+