Elijah Orr / mbed-renbed

Fork of the official mbed C/C SDK provides the software platform and libraries to build your applications for RenBED.

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TARGET_NUCLEO_F746ZG/stm32f7xx_hal_usart_ex.h@121:672067c3ada4, 2016-04-14 (annotated)

Committer:
elijahorr
Date:
Thu Apr 14 07:28:54 2016 +0000
Revision:
121:672067c3ada4
Parent:
116:c0f6e94411f5 
.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 115:87f2f5183dfb 1 /**
Kojto 115:87f2f5183dfb 2 ******************************************************************************
Kojto 115:87f2f5183dfb 3 * @file stm32f7xx_hal_usart_ex.h
Kojto 115:87f2f5183dfb 4 * @author MCD Application Team
Kojto 116:c0f6e94411f5 5 * @version V1.0.4
Kojto 116:c0f6e94411f5 6 * @date 09-December-2015
Kojto 115:87f2f5183dfb 7 * @brief Header file of USART HAL Extension module.
Kojto 115:87f2f5183dfb 8 ******************************************************************************
Kojto 115:87f2f5183dfb 9 * @attention
Kojto 115:87f2f5183dfb 10 *
Kojto 115:87f2f5183dfb 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
Kojto 115:87f2f5183dfb 12 *
Kojto 115:87f2f5183dfb 13 * Redistribution and use in source and binary forms, with or without modification,
Kojto 115:87f2f5183dfb 14 * are permitted provided that the following conditions are met:
Kojto 115:87f2f5183dfb 15 * 1. Redistributions of source code must retain the above copyright notice,
Kojto 115:87f2f5183dfb 16 * this list of conditions and the following disclaimer.
Kojto 115:87f2f5183dfb 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
Kojto 115:87f2f5183dfb 18 * this list of conditions and the following disclaimer in the documentation
Kojto 115:87f2f5183dfb 19 * and/or other materials provided with the distribution.
Kojto 115:87f2f5183dfb 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Kojto 115:87f2f5183dfb 21 * may be used to endorse or promote products derived from this software
Kojto 115:87f2f5183dfb 22 * without specific prior written permission.
Kojto 115:87f2f5183dfb 23 *
Kojto 115:87f2f5183dfb 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 115:87f2f5183dfb 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 115:87f2f5183dfb 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Kojto 115:87f2f5183dfb 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Kojto 115:87f2f5183dfb 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Kojto 115:87f2f5183dfb 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Kojto 115:87f2f5183dfb 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Kojto 115:87f2f5183dfb 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Kojto 115:87f2f5183dfb 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Kojto 115:87f2f5183dfb 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto 115:87f2f5183dfb 34 *
Kojto 115:87f2f5183dfb 35 ******************************************************************************
Kojto 115:87f2f5183dfb 36 */
Kojto 115:87f2f5183dfb 37
Kojto 115:87f2f5183dfb 38 /* Define to prevent recursive inclusion -------------------------------------*/
Kojto 115:87f2f5183dfb 39 #ifndef __STM32F7xx_HAL_USART_EX_H
Kojto 115:87f2f5183dfb 40 #define __STM32F7xx_HAL_USART_EX_H
Kojto 115:87f2f5183dfb 41
Kojto 115:87f2f5183dfb 42 #ifdef __cplusplus
Kojto 115:87f2f5183dfb 43 extern "C" {
Kojto 115:87f2f5183dfb 44 #endif
Kojto 115:87f2f5183dfb 45
Kojto 115:87f2f5183dfb 46 /* Includes ------------------------------------------------------------------*/
Kojto 115:87f2f5183dfb 47 #include "stm32f7xx_hal_def.h"
Kojto 115:87f2f5183dfb 48
Kojto 115:87f2f5183dfb 49 /** @addtogroup STM32F7xx_HAL_Driver
Kojto 115:87f2f5183dfb 50 * @{
Kojto 115:87f2f5183dfb 51 */
Kojto 115:87f2f5183dfb 52
Kojto 115:87f2f5183dfb 53 /** @addtogroup USARTEx
Kojto 115:87f2f5183dfb 54 * @{
Kojto 115:87f2f5183dfb 55 */
Kojto 115:87f2f5183dfb 56
Kojto 115:87f2f5183dfb 57 /* Exported types ------------------------------------------------------------*/
Kojto 115:87f2f5183dfb 58 /* Exported constants --------------------------------------------------------*/
Kojto 115:87f2f5183dfb 59 /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
Kojto 115:87f2f5183dfb 60 * @{
Kojto 115:87f2f5183dfb 61 */
Kojto 115:87f2f5183dfb 62
Kojto 115:87f2f5183dfb 63 /** @defgroup USARTEx_Word_Length USARTEx Word Length
Kojto 115:87f2f5183dfb 64 * @{
Kojto 115:87f2f5183dfb 65 */
Kojto 115:87f2f5183dfb 66 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1)
Kojto 115:87f2f5183dfb 67 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
Kojto 115:87f2f5183dfb 68 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0)
Kojto 115:87f2f5183dfb 69 /**
Kojto 115:87f2f5183dfb 70 * @}
Kojto 115:87f2f5183dfb 71 */
Kojto 115:87f2f5183dfb 72
Kojto 115:87f2f5183dfb 73 /**
Kojto 115:87f2f5183dfb 74 * @}
Kojto 115:87f2f5183dfb 75 */
Kojto 115:87f2f5183dfb 76
Kojto 115:87f2f5183dfb 77 /* Exported functions --------------------------------------------------------*/
Kojto 115:87f2f5183dfb 78
Kojto 115:87f2f5183dfb 79 /* Private macros ------------------------------------------------------------*/
Kojto 115:87f2f5183dfb 80 /** @defgroup USARTEx_Private_Macros USARTEx Private Macros
Kojto 115:87f2f5183dfb 81 * @{
Kojto 115:87f2f5183dfb 82 */
Kojto 115:87f2f5183dfb 83
Kojto 115:87f2f5183dfb 84 /** @brief Computes the USART mask to apply to retrieve the received data
Kojto 115:87f2f5183dfb 85 * according to the word length and to the parity bits activation.
Kojto 115:87f2f5183dfb 86 * If PCE = 1, the parity bit is not included in the data extracted
Kojto 115:87f2f5183dfb 87 * by the reception API().
Kojto 115:87f2f5183dfb 88 * This masking operation is not carried out in the case of
Kojto 115:87f2f5183dfb 89 * DMA transfers.
Kojto 115:87f2f5183dfb 90 * @param __HANDLE__: specifies the USART Handle
Kojto 115:87f2f5183dfb 91 * @retval none
Kojto 115:87f2f5183dfb 92 */
Kojto 115:87f2f5183dfb 93 #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \
Kojto 115:87f2f5183dfb 94 do { \
Kojto 115:87f2f5183dfb 95 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
Kojto 115:87f2f5183dfb 96 { \
Kojto 115:87f2f5183dfb 97 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
Kojto 115:87f2f5183dfb 98 { \
Kojto 115:87f2f5183dfb 99 (__HANDLE__)->Mask = 0x01FF ; \
Kojto 115:87f2f5183dfb 100 } \
Kojto 115:87f2f5183dfb 101 else \
Kojto 115:87f2f5183dfb 102 { \
Kojto 115:87f2f5183dfb 103 (__HANDLE__)->Mask = 0x00FF ; \
Kojto 115:87f2f5183dfb 104 } \
Kojto 115:87f2f5183dfb 105 } \
Kojto 115:87f2f5183dfb 106 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
Kojto 115:87f2f5183dfb 107 { \
Kojto 115:87f2f5183dfb 108 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
Kojto 115:87f2f5183dfb 109 { \
Kojto 115:87f2f5183dfb 110 (__HANDLE__)->Mask = 0x00FF ; \
Kojto 115:87f2f5183dfb 111 } \
Kojto 115:87f2f5183dfb 112 else \
Kojto 115:87f2f5183dfb 113 { \
Kojto 115:87f2f5183dfb 114 (__HANDLE__)->Mask = 0x007F ; \
Kojto 115:87f2f5183dfb 115 } \
Kojto 115:87f2f5183dfb 116 } \
Kojto 115:87f2f5183dfb 117 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
Kojto 115:87f2f5183dfb 118 { \
Kojto 115:87f2f5183dfb 119 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
Kojto 115:87f2f5183dfb 120 { \
Kojto 115:87f2f5183dfb 121 (__HANDLE__)->Mask = 0x007F ; \
Kojto 115:87f2f5183dfb 122 } \
Kojto 115:87f2f5183dfb 123 else \
Kojto 115:87f2f5183dfb 124 { \
Kojto 115:87f2f5183dfb 125 (__HANDLE__)->Mask = 0x003F ; \
Kojto 115:87f2f5183dfb 126 } \
Kojto 115:87f2f5183dfb 127 } \
Kojto 115:87f2f5183dfb 128 } while(0)
Kojto 115:87f2f5183dfb 129
Kojto 115:87f2f5183dfb 130 #define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
Kojto 115:87f2f5183dfb 131 ((__LENGTH__) == USART_WORDLENGTH_8B) || \
Kojto 115:87f2f5183dfb 132 ((__LENGTH__) == USART_WORDLENGTH_9B))
Kojto 115:87f2f5183dfb 133 /**
Kojto 115:87f2f5183dfb 134 * @}
Kojto 115:87f2f5183dfb 135 */
Kojto 115:87f2f5183dfb 136
Kojto 115:87f2f5183dfb 137 /* Exported functions --------------------------------------------------------*/
Kojto 115:87f2f5183dfb 138 /* Initialization/de-initialization methods **********************************/
Kojto 115:87f2f5183dfb 139 /* IO operation methods *******************************************************/
Kojto 115:87f2f5183dfb 140 /* Peripheral Control methods ************************************************/
Kojto 115:87f2f5183dfb 141 /* Peripheral State methods **************************************************/
Kojto 115:87f2f5183dfb 142
Kojto 115:87f2f5183dfb 143
Kojto 115:87f2f5183dfb 144 /**
Kojto 115:87f2f5183dfb 145 * @}
Kojto 115:87f2f5183dfb 146 */
Kojto 115:87f2f5183dfb 147
Kojto 115:87f2f5183dfb 148 /**
Kojto 115:87f2f5183dfb 149 * @}
Kojto 115:87f2f5183dfb 150 */
Kojto 115:87f2f5183dfb 151
Kojto 115:87f2f5183dfb 152 #ifdef __cplusplus
Kojto 115:87f2f5183dfb 153 }
Kojto 115:87f2f5183dfb 154 #endif
Kojto 115:87f2f5183dfb 155
Kojto 115:87f2f5183dfb 156 #endif /* __STM32F7xx_HAL_USART_EX_H */
Kojto 115:87f2f5183dfb 157
Kojto 115:87f2f5183dfb 158 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/