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Last commit 20 Feb 2019 by 
mbed official
targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_usart_ex.h
- Committer:
- mbed_official
- Date:
- 2015-09-28
- Revision:
- 630:825f75ca301e
- Parent:
- 441:d2c15dda23c1
File content as of revision 630:825f75ca301e:
/**
******************************************************************************
* @file stm32f0xx_hal_usart_ex.h
* @author MCD Application Team
* @version V1.3.0
* @date 26-June-2015
* @brief Header file of USART HAL Extension module.
******************************************************************************
* @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.
*
******************************************************************************
*/
/* 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
* @{
*/
/** @defgroup USARTEx 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 ((uint32_t)0x00000000) /*!< 8-bit long USART frame */
#define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long USART frame */
#else
#define USART_WORDLENGTH_8B ((uint32_t)0x00000000) /*!< 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 ((uint32_t)0x00400000) /*!< USART receive enable acknowledge flag */
#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6) && !defined(STM32F070xB) && !defined(STM32F030xC) */
#define USART_FLAG_TEACK ((uint32_t)0x00200000) /*!< USART transmit enable acknowledge flag */
#define USART_FLAG_BUSY ((uint32_t)0x00010000) /*!< USART busy flag */
#define USART_FLAG_CTS ((uint32_t)0x00000400) /*!< USART clear to send flag */
#define USART_FLAG_CTSIF ((uint32_t)0x00000200) /*!< USART clear to send interrupt flag */
#define USART_FLAG_TXE ((uint32_t)0x00000080) /*!< USART transmit data register empty */
#define USART_FLAG_TC ((uint32_t)0x00000040) /*!< USART transmission complete */
#define USART_FLAG_RXNE ((uint32_t)0x00000020) /*!< USART read data register not empty */
#define USART_FLAG_IDLE ((uint32_t)0x00000010) /*!< USART idle flag */
#define USART_FLAG_ORE ((uint32_t)0x00000008) /*!< USART overrun error */
#define USART_FLAG_NE ((uint32_t)0x00000004) /*!< USART noise error */
#define USART_FLAG_FE ((uint32_t)0x00000002) /*!< USART frame error */
#define USART_FLAG_PE ((uint32_t)0x00000001) /*!< 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 Reports 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 = 0x01FF ; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x00FF ; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x00FF ; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x007F ; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x007F ; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x003F ; \
} \
} \
} 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 = 0x01FF ; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x00FF ; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x00FF ; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x007F ; \
} \
} \
} 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****/
