/** | |
****************************************************************************** | |
* @file stm32f7xx_hal_usart_ex.h | |
* @author MCD Application Team | |
* @version V1.1.1 | |
* @date 01-July-2016 | |
* @brief Header file of USART HAL Extension module. | |
****************************************************************************** | |
* @attention | |
* | |
* <h2><center>© 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 __STM32F7xx_HAL_USART_EX_H | |
#define __STM32F7xx_HAL_USART_EX_H | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/* Includes ------------------------------------------------------------------*/ | |
#include "stm32f7xx_hal_def.h" | |
/** @addtogroup STM32F7xx_HAL_Driver | |
* @{ | |
*/ | |
/** @addtogroup USARTEx | |
* @{ | |
*/ | |
/* Exported types ------------------------------------------------------------*/ | |
/* Exported constants --------------------------------------------------------*/ | |
/** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants | |
* @{ | |
*/ | |
/** @defgroup USARTEx_Word_Length USARTEx Word Length | |
* @{ | |
*/ | |
#define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1) | |
#define USART_WORDLENGTH_8B ((uint32_t)0x00000000U) | |
#define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0) | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/* Exported functions --------------------------------------------------------*/ | |
/* Private macros ------------------------------------------------------------*/ | |
/** @defgroup USARTEx_Private_Macros USARTEx Private Macros | |
* @{ | |
*/ | |
/** @brief Computes the USART mask to apply to retrieve the received data | |
* according to the word length and to the parity bits activation. | |
* 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 | |
*/ | |
#define __HAL_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) | |
#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \ | |
((__LENGTH__) == USART_WORDLENGTH_8B) || \ | |
((__LENGTH__) == USART_WORDLENGTH_9B)) | |
/** | |
* @} | |
*/ | |
/* Exported functions --------------------------------------------------------*/ | |
/* Initialization/de-initialization methods **********************************/ | |
/* IO operation methods *******************************************************/ | |
/* Peripheral Control methods ************************************************/ | |
/* Peripheral State methods **************************************************/ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* __STM32F7xx_HAL_USART_EX_H */ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |