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TARGET_DISCO_F769NI/TOOLCHAIN_ARM_MICRO/stm32f7xx_hal_usart_ex.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /**
AnnaBridge 171:3a7713b1edbc 2 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 3 * @file stm32f7xx_hal_usart_ex.h
AnnaBridge 171:3a7713b1edbc 4 * @author MCD Application Team
AnnaBridge 171:3a7713b1edbc 5 * @brief Header file of USART HAL Extension module.
AnnaBridge 171:3a7713b1edbc 6 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 7 * @attention
AnnaBridge 171:3a7713b1edbc 8 *
AnnaBridge 171:3a7713b1edbc 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 12 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 171:3a7713b1edbc 14 * this list of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 171:3a7713b1edbc 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 171:3a7713b1edbc 17 * and/or other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 171:3a7713b1edbc 19 * may be used to endorse or promote products derived from this software
AnnaBridge 171:3a7713b1edbc 20 * without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 21 *
AnnaBridge 171:3a7713b1edbc 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 171:3a7713b1edbc 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 171:3a7713b1edbc 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 171:3a7713b1edbc 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 171:3a7713b1edbc 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 171:3a7713b1edbc 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 171:3a7713b1edbc 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 171:3a7713b1edbc 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 171:3a7713b1edbc 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 32 *
AnnaBridge 171:3a7713b1edbc 33 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 34 */
AnnaBridge 171:3a7713b1edbc 35
AnnaBridge 171:3a7713b1edbc 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 171:3a7713b1edbc 37 #ifndef __STM32F7xx_HAL_USART_EX_H
AnnaBridge 171:3a7713b1edbc 38 #define __STM32F7xx_HAL_USART_EX_H
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 41 extern "C" {
AnnaBridge 171:3a7713b1edbc 42 #endif
AnnaBridge 171:3a7713b1edbc 43
AnnaBridge 171:3a7713b1edbc 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 45 #include "stm32f7xx_hal_def.h"
AnnaBridge 171:3a7713b1edbc 46
AnnaBridge 171:3a7713b1edbc 47 /** @addtogroup STM32F7xx_HAL_Driver
AnnaBridge 171:3a7713b1edbc 48 * @{
AnnaBridge 171:3a7713b1edbc 49 */
AnnaBridge 171:3a7713b1edbc 50
AnnaBridge 171:3a7713b1edbc 51 /** @addtogroup USARTEx
AnnaBridge 171:3a7713b1edbc 52 * @{
AnnaBridge 171:3a7713b1edbc 53 */
AnnaBridge 171:3a7713b1edbc 54
AnnaBridge 171:3a7713b1edbc 55 /* Exported types ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 56 /* Exported constants --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 57 /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
AnnaBridge 171:3a7713b1edbc 58 * @{
AnnaBridge 171:3a7713b1edbc 59 */
AnnaBridge 171:3a7713b1edbc 60
AnnaBridge 171:3a7713b1edbc 61 /** @defgroup USARTEx_Word_Length USARTEx Word Length
AnnaBridge 171:3a7713b1edbc 62 * @{
AnnaBridge 171:3a7713b1edbc 63 */
AnnaBridge 171:3a7713b1edbc 64 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1)
AnnaBridge 171:3a7713b1edbc 65 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000U)
AnnaBridge 171:3a7713b1edbc 66 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0)
AnnaBridge 171:3a7713b1edbc 67 /**
AnnaBridge 171:3a7713b1edbc 68 * @}
AnnaBridge 171:3a7713b1edbc 69 */
AnnaBridge 171:3a7713b1edbc 70
AnnaBridge 171:3a7713b1edbc 71 /**
AnnaBridge 171:3a7713b1edbc 72 * @}
AnnaBridge 171:3a7713b1edbc 73 */
AnnaBridge 171:3a7713b1edbc 74
AnnaBridge 171:3a7713b1edbc 75 /* Exported functions --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 76
AnnaBridge 171:3a7713b1edbc 77 /* Private macros ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 78 /** @defgroup USARTEx_Private_Macros USARTEx Private Macros
AnnaBridge 171:3a7713b1edbc 79 * @{
AnnaBridge 171:3a7713b1edbc 80 */
AnnaBridge 171:3a7713b1edbc 81
AnnaBridge 171:3a7713b1edbc 82 /** @brief Computes the USART mask to apply to retrieve the received data
AnnaBridge 171:3a7713b1edbc 83 * according to the word length and to the parity bits activation.
AnnaBridge 171:3a7713b1edbc 84 * If PCE = 1, the parity bit is not included in the data extracted
AnnaBridge 171:3a7713b1edbc 85 * by the reception API().
AnnaBridge 171:3a7713b1edbc 86 * This masking operation is not carried out in the case of
AnnaBridge 171:3a7713b1edbc 87 * DMA transfers.
AnnaBridge 171:3a7713b1edbc 88 * @param __HANDLE__ specifies the USART Handle
AnnaBridge 171:3a7713b1edbc 89 * @retval none
AnnaBridge 171:3a7713b1edbc 90 */
AnnaBridge 171:3a7713b1edbc 91 #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \
AnnaBridge 171:3a7713b1edbc 92 do { \
AnnaBridge 171:3a7713b1edbc 93 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
AnnaBridge 171:3a7713b1edbc 94 { \
AnnaBridge 171:3a7713b1edbc 95 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 171:3a7713b1edbc 96 { \
AnnaBridge 171:3a7713b1edbc 97 (__HANDLE__)->Mask = 0x01FF ; \
AnnaBridge 171:3a7713b1edbc 98 } \
AnnaBridge 171:3a7713b1edbc 99 else \
AnnaBridge 171:3a7713b1edbc 100 { \
AnnaBridge 171:3a7713b1edbc 101 (__HANDLE__)->Mask = 0x00FF ; \
AnnaBridge 171:3a7713b1edbc 102 } \
AnnaBridge 171:3a7713b1edbc 103 } \
AnnaBridge 171:3a7713b1edbc 104 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
AnnaBridge 171:3a7713b1edbc 105 { \
AnnaBridge 171:3a7713b1edbc 106 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 171:3a7713b1edbc 107 { \
AnnaBridge 171:3a7713b1edbc 108 (__HANDLE__)->Mask = 0x00FF ; \
AnnaBridge 171:3a7713b1edbc 109 } \
AnnaBridge 171:3a7713b1edbc 110 else \
AnnaBridge 171:3a7713b1edbc 111 { \
AnnaBridge 171:3a7713b1edbc 112 (__HANDLE__)->Mask = 0x007F ; \
AnnaBridge 171:3a7713b1edbc 113 } \
AnnaBridge 171:3a7713b1edbc 114 } \
AnnaBridge 171:3a7713b1edbc 115 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
AnnaBridge 171:3a7713b1edbc 116 { \
AnnaBridge 171:3a7713b1edbc 117 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 171:3a7713b1edbc 118 { \
AnnaBridge 171:3a7713b1edbc 119 (__HANDLE__)->Mask = 0x007F ; \
AnnaBridge 171:3a7713b1edbc 120 } \
AnnaBridge 171:3a7713b1edbc 121 else \
AnnaBridge 171:3a7713b1edbc 122 { \
AnnaBridge 171:3a7713b1edbc 123 (__HANDLE__)->Mask = 0x003F ; \
AnnaBridge 171:3a7713b1edbc 124 } \
AnnaBridge 171:3a7713b1edbc 125 } \
AnnaBridge 171:3a7713b1edbc 126 } while(0)
AnnaBridge 171:3a7713b1edbc 127
AnnaBridge 171:3a7713b1edbc 128 #define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
AnnaBridge 171:3a7713b1edbc 129 ((__LENGTH__) == USART_WORDLENGTH_8B) || \
AnnaBridge 171:3a7713b1edbc 130 ((__LENGTH__) == USART_WORDLENGTH_9B))
AnnaBridge 171:3a7713b1edbc 131 /**
AnnaBridge 171:3a7713b1edbc 132 * @}
AnnaBridge 171:3a7713b1edbc 133 */
AnnaBridge 171:3a7713b1edbc 134
AnnaBridge 171:3a7713b1edbc 135 /* Exported functions --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 136 /* Initialization/de-initialization methods **********************************/
AnnaBridge 171:3a7713b1edbc 137 /* IO operation methods *******************************************************/
AnnaBridge 171:3a7713b1edbc 138 /* Peripheral Control methods ************************************************/
AnnaBridge 171:3a7713b1edbc 139 /* Peripheral State methods **************************************************/
AnnaBridge 171:3a7713b1edbc 140
AnnaBridge 171:3a7713b1edbc 141
AnnaBridge 171:3a7713b1edbc 142 /**
AnnaBridge 171:3a7713b1edbc 143 * @}
AnnaBridge 171:3a7713b1edbc 144 */
AnnaBridge 171:3a7713b1edbc 145
AnnaBridge 171:3a7713b1edbc 146 /**
AnnaBridge 171:3a7713b1edbc 147 * @}
AnnaBridge 171:3a7713b1edbc 148 */
AnnaBridge 171:3a7713b1edbc 149
AnnaBridge 171:3a7713b1edbc 150 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 151 }
AnnaBridge 171:3a7713b1edbc 152 #endif
AnnaBridge 171:3a7713b1edbc 153
AnnaBridge 171:3a7713b1edbc 154 #endif /* __STM32F7xx_HAL_USART_EX_H */
AnnaBridge 171:3a7713b1edbc 155
AnnaBridge 171:3a7713b1edbc 156 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/