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SRC_STM32F7/targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_usart_ex.h@0:8ede47d38d10, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:37:21 2019 +0000
Revision:
0:8ede47d38d10
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phungductung 0:8ede47d38d10 1 /**
phungductung 0:8ede47d38d10 2 ******************************************************************************
phungductung 0:8ede47d38d10 3 * @file stm32f7xx_hal_usart_ex.h
phungductung 0:8ede47d38d10 4 * @author MCD Application Team
phungductung 0:8ede47d38d10 5 * @version V1.0.4
phungductung 0:8ede47d38d10 6 * @date 09-December-2015
phungductung 0:8ede47d38d10 7 * @brief Header file of USART HAL Extension module.
phungductung 0:8ede47d38d10 8 ******************************************************************************
phungductung 0:8ede47d38d10 9 * @attention
phungductung 0:8ede47d38d10 10 *
phungductung 0:8ede47d38d10 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
phungductung 0:8ede47d38d10 12 *
phungductung 0:8ede47d38d10 13 * Redistribution and use in source and binary forms, with or without modification,
phungductung 0:8ede47d38d10 14 * are permitted provided that the following conditions are met:
phungductung 0:8ede47d38d10 15 * 1. Redistributions of source code must retain the above copyright notice,
phungductung 0:8ede47d38d10 16 * this list of conditions and the following disclaimer.
phungductung 0:8ede47d38d10 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
phungductung 0:8ede47d38d10 18 * this list of conditions and the following disclaimer in the documentation
phungductung 0:8ede47d38d10 19 * and/or other materials provided with the distribution.
phungductung 0:8ede47d38d10 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
phungductung 0:8ede47d38d10 21 * may be used to endorse or promote products derived from this software
phungductung 0:8ede47d38d10 22 * without specific prior written permission.
phungductung 0:8ede47d38d10 23 *
phungductung 0:8ede47d38d10 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
phungductung 0:8ede47d38d10 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
phungductung 0:8ede47d38d10 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
phungductung 0:8ede47d38d10 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
phungductung 0:8ede47d38d10 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
phungductung 0:8ede47d38d10 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
phungductung 0:8ede47d38d10 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
phungductung 0:8ede47d38d10 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
phungductung 0:8ede47d38d10 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
phungductung 0:8ede47d38d10 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
phungductung 0:8ede47d38d10 34 *
phungductung 0:8ede47d38d10 35 ******************************************************************************
phungductung 0:8ede47d38d10 36 */
phungductung 0:8ede47d38d10 37
phungductung 0:8ede47d38d10 38 /* Define to prevent recursive inclusion -------------------------------------*/
phungductung 0:8ede47d38d10 39 #ifndef __STM32F7xx_HAL_USART_EX_H
phungductung 0:8ede47d38d10 40 #define __STM32F7xx_HAL_USART_EX_H
phungductung 0:8ede47d38d10 41
phungductung 0:8ede47d38d10 42 #ifdef __cplusplus
phungductung 0:8ede47d38d10 43 extern "C" {
phungductung 0:8ede47d38d10 44 #endif
phungductung 0:8ede47d38d10 45
phungductung 0:8ede47d38d10 46 /* Includes ------------------------------------------------------------------*/
phungductung 0:8ede47d38d10 47 #include "stm32f7xx_hal_def.h"
phungductung 0:8ede47d38d10 48
phungductung 0:8ede47d38d10 49 /** @addtogroup STM32F7xx_HAL_Driver
phungductung 0:8ede47d38d10 50 * @{
phungductung 0:8ede47d38d10 51 */
phungductung 0:8ede47d38d10 52
phungductung 0:8ede47d38d10 53 /** @addtogroup USARTEx
phungductung 0:8ede47d38d10 54 * @{
phungductung 0:8ede47d38d10 55 */
phungductung 0:8ede47d38d10 56
phungductung 0:8ede47d38d10 57 /* Exported types ------------------------------------------------------------*/
phungductung 0:8ede47d38d10 58 /* Exported constants --------------------------------------------------------*/
phungductung 0:8ede47d38d10 59 /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
phungductung 0:8ede47d38d10 60 * @{
phungductung 0:8ede47d38d10 61 */
phungductung 0:8ede47d38d10 62
phungductung 0:8ede47d38d10 63 /** @defgroup USARTEx_Word_Length USARTEx Word Length
phungductung 0:8ede47d38d10 64 * @{
phungductung 0:8ede47d38d10 65 */
phungductung 0:8ede47d38d10 66 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1)
phungductung 0:8ede47d38d10 67 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
phungductung 0:8ede47d38d10 68 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0)
phungductung 0:8ede47d38d10 69 /**
phungductung 0:8ede47d38d10 70 * @}
phungductung 0:8ede47d38d10 71 */
phungductung 0:8ede47d38d10 72
phungductung 0:8ede47d38d10 73 /**
phungductung 0:8ede47d38d10 74 * @}
phungductung 0:8ede47d38d10 75 */
phungductung 0:8ede47d38d10 76
phungductung 0:8ede47d38d10 77 /* Exported functions --------------------------------------------------------*/
phungductung 0:8ede47d38d10 78
phungductung 0:8ede47d38d10 79 /* Private macros ------------------------------------------------------------*/
phungductung 0:8ede47d38d10 80 /** @defgroup USARTEx_Private_Macros USARTEx Private Macros
phungductung 0:8ede47d38d10 81 * @{
phungductung 0:8ede47d38d10 82 */
phungductung 0:8ede47d38d10 83
phungductung 0:8ede47d38d10 84 /** @brief Computes the USART mask to apply to retrieve the received data
phungductung 0:8ede47d38d10 85 * according to the word length and to the parity bits activation.
phungductung 0:8ede47d38d10 86 * If PCE = 1, the parity bit is not included in the data extracted
phungductung 0:8ede47d38d10 87 * by the reception API().
phungductung 0:8ede47d38d10 88 * This masking operation is not carried out in the case of
phungductung 0:8ede47d38d10 89 * DMA transfers.
phungductung 0:8ede47d38d10 90 * @param __HANDLE__: specifies the USART Handle
phungductung 0:8ede47d38d10 91 * @retval none
phungductung 0:8ede47d38d10 92 */
phungductung 0:8ede47d38d10 93 #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \
phungductung 0:8ede47d38d10 94 do { \
phungductung 0:8ede47d38d10 95 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
phungductung 0:8ede47d38d10 96 { \
phungductung 0:8ede47d38d10 97 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
phungductung 0:8ede47d38d10 98 { \
phungductung 0:8ede47d38d10 99 (__HANDLE__)->Mask = 0x01FF ; \
phungductung 0:8ede47d38d10 100 } \
phungductung 0:8ede47d38d10 101 else \
phungductung 0:8ede47d38d10 102 { \
phungductung 0:8ede47d38d10 103 (__HANDLE__)->Mask = 0x00FF ; \
phungductung 0:8ede47d38d10 104 } \
phungductung 0:8ede47d38d10 105 } \
phungductung 0:8ede47d38d10 106 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
phungductung 0:8ede47d38d10 107 { \
phungductung 0:8ede47d38d10 108 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
phungductung 0:8ede47d38d10 109 { \
phungductung 0:8ede47d38d10 110 (__HANDLE__)->Mask = 0x00FF ; \
phungductung 0:8ede47d38d10 111 } \
phungductung 0:8ede47d38d10 112 else \
phungductung 0:8ede47d38d10 113 { \
phungductung 0:8ede47d38d10 114 (__HANDLE__)->Mask = 0x007F ; \
phungductung 0:8ede47d38d10 115 } \
phungductung 0:8ede47d38d10 116 } \
phungductung 0:8ede47d38d10 117 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
phungductung 0:8ede47d38d10 118 { \
phungductung 0:8ede47d38d10 119 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
phungductung 0:8ede47d38d10 120 { \
phungductung 0:8ede47d38d10 121 (__HANDLE__)->Mask = 0x007F ; \
phungductung 0:8ede47d38d10 122 } \
phungductung 0:8ede47d38d10 123 else \
phungductung 0:8ede47d38d10 124 { \
phungductung 0:8ede47d38d10 125 (__HANDLE__)->Mask = 0x003F ; \
phungductung 0:8ede47d38d10 126 } \
phungductung 0:8ede47d38d10 127 } \
phungductung 0:8ede47d38d10 128 } while(0)
phungductung 0:8ede47d38d10 129
phungductung 0:8ede47d38d10 130 #define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
phungductung 0:8ede47d38d10 131 ((__LENGTH__) == USART_WORDLENGTH_8B) || \
phungductung 0:8ede47d38d10 132 ((__LENGTH__) == USART_WORDLENGTH_9B))
phungductung 0:8ede47d38d10 133 /**
phungductung 0:8ede47d38d10 134 * @}
phungductung 0:8ede47d38d10 135 */
phungductung 0:8ede47d38d10 136
phungductung 0:8ede47d38d10 137 /* Exported functions --------------------------------------------------------*/
phungductung 0:8ede47d38d10 138 /* Initialization/de-initialization methods **********************************/
phungductung 0:8ede47d38d10 139 /* IO operation methods *******************************************************/
phungductung 0:8ede47d38d10 140 /* Peripheral Control methods ************************************************/
phungductung 0:8ede47d38d10 141 /* Peripheral State methods **************************************************/
phungductung 0:8ede47d38d10 142
phungductung 0:8ede47d38d10 143
phungductung 0:8ede47d38d10 144 /**
phungductung 0:8ede47d38d10 145 * @}
phungductung 0:8ede47d38d10 146 */
phungductung 0:8ede47d38d10 147
phungductung 0:8ede47d38d10 148 /**
phungductung 0:8ede47d38d10 149 * @}
phungductung 0:8ede47d38d10 150 */
phungductung 0:8ede47d38d10 151
phungductung 0:8ede47d38d10 152 #ifdef __cplusplus
phungductung 0:8ede47d38d10 153 }
phungductung 0:8ede47d38d10 154 #endif
phungductung 0:8ede47d38d10 155
phungductung 0:8ede47d38d10 156 #endif /* __STM32F7xx_HAL_USART_EX_H */
phungductung 0:8ede47d38d10 157
phungductung 0:8ede47d38d10 158 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/