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mbed 2

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TARGET_NUCLEO_L011K4/TOOLCHAIN_ARM_MICRO/stm32l0xx_hal_usart_ex.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_NUCLEO_L011K4/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_usart_ex.h@167:84c0a372a020 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 157:e7ca05fa8600 1 /**
AnnaBridge 157:e7ca05fa8600 2 ******************************************************************************
AnnaBridge 157:e7ca05fa8600 3 * @file stm32l0xx_hal_usart_ex.h
AnnaBridge 157:e7ca05fa8600 4 * @author MCD Application Team
AnnaBridge 167:84c0a372a020 5 * @brief Header file of USART HAL Extended module.
AnnaBridge 157:e7ca05fa8600 6 ******************************************************************************
AnnaBridge 157:e7ca05fa8600 7 * @attention
AnnaBridge 167:84c0a372a020 8 *
AnnaBridge 157:e7ca05fa8600 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 157:e7ca05fa8600 10 *
AnnaBridge 157:e7ca05fa8600 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 157:e7ca05fa8600 12 * are permitted provided that the following conditions are met:
AnnaBridge 157:e7ca05fa8600 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 157:e7ca05fa8600 14 * this list of conditions and the following disclaimer.
AnnaBridge 157:e7ca05fa8600 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 157:e7ca05fa8600 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 157:e7ca05fa8600 17 * and/or other materials provided with the distribution.
AnnaBridge 157:e7ca05fa8600 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 157:e7ca05fa8600 19 * may be used to endorse or promote products derived from this software
AnnaBridge 157:e7ca05fa8600 20 * without specific prior written permission.
AnnaBridge 157:e7ca05fa8600 21 *
AnnaBridge 157:e7ca05fa8600 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 157:e7ca05fa8600 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 157:e7ca05fa8600 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 157:e7ca05fa8600 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 157:e7ca05fa8600 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 157:e7ca05fa8600 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 157:e7ca05fa8600 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 157:e7ca05fa8600 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 157:e7ca05fa8600 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 157:e7ca05fa8600 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 157:e7ca05fa8600 32 *
AnnaBridge 167:84c0a372a020 33 ******************************************************************************
AnnaBridge 157:e7ca05fa8600 34 */
AnnaBridge 157:e7ca05fa8600 35
AnnaBridge 157:e7ca05fa8600 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 157:e7ca05fa8600 37 #ifndef __STM32L0xx_HAL_USART_EX_H
AnnaBridge 157:e7ca05fa8600 38 #define __STM32L0xx_HAL_USART_EX_H
AnnaBridge 157:e7ca05fa8600 39
AnnaBridge 157:e7ca05fa8600 40 #ifdef __cplusplus
AnnaBridge 157:e7ca05fa8600 41 extern "C" {
AnnaBridge 157:e7ca05fa8600 42 #endif
AnnaBridge 157:e7ca05fa8600 43
AnnaBridge 157:e7ca05fa8600 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 157:e7ca05fa8600 45 #include "stm32l0xx_hal_def.h"
AnnaBridge 157:e7ca05fa8600 46
AnnaBridge 157:e7ca05fa8600 47 /** @addtogroup STM32L0xx_HAL_Driver
AnnaBridge 157:e7ca05fa8600 48 * @{
AnnaBridge 157:e7ca05fa8600 49 */
AnnaBridge 167:84c0a372a020 50
AnnaBridge 167:84c0a372a020 51 /** @addtogroup USARTEx
AnnaBridge 157:e7ca05fa8600 52 * @{
AnnaBridge 157:e7ca05fa8600 53 */
AnnaBridge 157:e7ca05fa8600 54
AnnaBridge 157:e7ca05fa8600 55 /* Exported types ------------------------------------------------------------*/
AnnaBridge 157:e7ca05fa8600 56 /* Exported constants --------------------------------------------------------*/
AnnaBridge 157:e7ca05fa8600 57 /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
AnnaBridge 157:e7ca05fa8600 58 * @{
AnnaBridge 157:e7ca05fa8600 59 */
AnnaBridge 157:e7ca05fa8600 60
AnnaBridge 167:84c0a372a020 61 /** @defgroup USARTEx_Word_Length USARTEx Word Length
AnnaBridge 157:e7ca05fa8600 62 * @{
AnnaBridge 157:e7ca05fa8600 63 */
AnnaBridge 167:84c0a372a020 64 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long USART frame */
AnnaBridge 167:84c0a372a020 65 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000U) /*!< 8-bit long USART frame */
AnnaBridge 167:84c0a372a020 66 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long USART frame */
AnnaBridge 157:e7ca05fa8600 67 /**
AnnaBridge 157:e7ca05fa8600 68 * @}
AnnaBridge 167:84c0a372a020 69 */
AnnaBridge 167:84c0a372a020 70
AnnaBridge 157:e7ca05fa8600 71 /**
AnnaBridge 157:e7ca05fa8600 72 * @}
AnnaBridge 167:84c0a372a020 73 */
AnnaBridge 157:e7ca05fa8600 74
AnnaBridge 167:84c0a372a020 75 /* Exported functions --------------------------------------------------------*/
AnnaBridge 167:84c0a372a020 76
AnnaBridge 167:84c0a372a020 77 /* Private macros ------------------------------------------------------------*/
AnnaBridge 167:84c0a372a020 78 /** @defgroup USARTEx_Private_Macros USARTEx Private Macros
AnnaBridge 157:e7ca05fa8600 79 * @{
AnnaBridge 157:e7ca05fa8600 80 */
AnnaBridge 157:e7ca05fa8600 81
AnnaBridge 167:84c0a372a020 82 /** @brief Report the USART clock source.
AnnaBridge 167:84c0a372a020 83 * @param __HANDLE__: specifies the USART Handle.
AnnaBridge 167:84c0a372a020 84 * @param __CLOCKSOURCE__: output variable.
AnnaBridge 157:e7ca05fa8600 85 * @retval the USART clocking source, written in __CLOCKSOURCE__.
AnnaBridge 157:e7ca05fa8600 86 */
AnnaBridge 167:84c0a372a020 87 #if defined (STM32L051xx) || defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L061xx) || defined (STM32L062xx) || defined (STM32L063xx)
AnnaBridge 157:e7ca05fa8600 88
AnnaBridge 157:e7ca05fa8600 89 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
AnnaBridge 157:e7ca05fa8600 90 do { \
AnnaBridge 157:e7ca05fa8600 91 if((__HANDLE__)->Instance == USART1) \
AnnaBridge 157:e7ca05fa8600 92 { \
AnnaBridge 167:84c0a372a020 93 switch(__HAL_RCC_GET_USART1_SOURCE()) \
AnnaBridge 157:e7ca05fa8600 94 { \
AnnaBridge 157:e7ca05fa8600 95 case RCC_USART1CLKSOURCE_PCLK2: \
AnnaBridge 157:e7ca05fa8600 96 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
AnnaBridge 157:e7ca05fa8600 97 break; \
AnnaBridge 157:e7ca05fa8600 98 case RCC_USART1CLKSOURCE_HSI: \
AnnaBridge 157:e7ca05fa8600 99 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 157:e7ca05fa8600 100 break; \
AnnaBridge 157:e7ca05fa8600 101 case RCC_USART1CLKSOURCE_SYSCLK: \
AnnaBridge 157:e7ca05fa8600 102 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 157:e7ca05fa8600 103 break; \
AnnaBridge 157:e7ca05fa8600 104 case RCC_USART1CLKSOURCE_LSE: \
AnnaBridge 157:e7ca05fa8600 105 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 157:e7ca05fa8600 106 break; \
AnnaBridge 157:e7ca05fa8600 107 default: \
AnnaBridge 167:84c0a372a020 108 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 157:e7ca05fa8600 109 break; \
AnnaBridge 157:e7ca05fa8600 110 } \
AnnaBridge 157:e7ca05fa8600 111 } \
AnnaBridge 157:e7ca05fa8600 112 else if((__HANDLE__)->Instance == USART2) \
AnnaBridge 157:e7ca05fa8600 113 { \
AnnaBridge 157:e7ca05fa8600 114 switch(__HAL_RCC_GET_USART2_SOURCE()) \
AnnaBridge 157:e7ca05fa8600 115 { \
AnnaBridge 157:e7ca05fa8600 116 case RCC_USART2CLKSOURCE_PCLK1: \
AnnaBridge 157:e7ca05fa8600 117 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 157:e7ca05fa8600 118 break; \
AnnaBridge 157:e7ca05fa8600 119 case RCC_USART2CLKSOURCE_HSI: \
AnnaBridge 157:e7ca05fa8600 120 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 157:e7ca05fa8600 121 break; \
AnnaBridge 157:e7ca05fa8600 122 case RCC_USART2CLKSOURCE_SYSCLK: \
AnnaBridge 157:e7ca05fa8600 123 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 157:e7ca05fa8600 124 break; \
AnnaBridge 157:e7ca05fa8600 125 case RCC_USART2CLKSOURCE_LSE: \
AnnaBridge 157:e7ca05fa8600 126 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 157:e7ca05fa8600 127 break; \
AnnaBridge 157:e7ca05fa8600 128 default: \
AnnaBridge 167:84c0a372a020 129 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 157:e7ca05fa8600 130 break; \
AnnaBridge 157:e7ca05fa8600 131 } \
AnnaBridge 157:e7ca05fa8600 132 } \
AnnaBridge 157:e7ca05fa8600 133 } while(0)
AnnaBridge 167:84c0a372a020 134
AnnaBridge 167:84c0a372a020 135 #elif defined(STM32L071xx) || defined (STM32L081xx) || defined(STM32L072xx) || defined (STM32L082xx) || defined(STM32L073xx) || defined (STM32L083xx)
AnnaBridge 157:e7ca05fa8600 136
AnnaBridge 167:84c0a372a020 137 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
AnnaBridge 167:84c0a372a020 138 do { \
AnnaBridge 167:84c0a372a020 139 if((__HANDLE__)->Instance == USART1) \
AnnaBridge 167:84c0a372a020 140 { \
AnnaBridge 167:84c0a372a020 141 switch(__HAL_RCC_GET_USART1_SOURCE()) \
AnnaBridge 167:84c0a372a020 142 { \
AnnaBridge 167:84c0a372a020 143 case RCC_USART1CLKSOURCE_PCLK2: \
AnnaBridge 167:84c0a372a020 144 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
AnnaBridge 167:84c0a372a020 145 break; \
AnnaBridge 167:84c0a372a020 146 case RCC_USART1CLKSOURCE_HSI: \
AnnaBridge 167:84c0a372a020 147 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 167:84c0a372a020 148 break; \
AnnaBridge 167:84c0a372a020 149 case RCC_USART1CLKSOURCE_SYSCLK: \
AnnaBridge 167:84c0a372a020 150 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 167:84c0a372a020 151 break; \
AnnaBridge 167:84c0a372a020 152 case RCC_USART1CLKSOURCE_LSE: \
AnnaBridge 167:84c0a372a020 153 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 167:84c0a372a020 154 break; \
AnnaBridge 167:84c0a372a020 155 default: \
AnnaBridge 167:84c0a372a020 156 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 167:84c0a372a020 157 break; \
AnnaBridge 167:84c0a372a020 158 } \
AnnaBridge 167:84c0a372a020 159 } \
AnnaBridge 167:84c0a372a020 160 else if((__HANDLE__)->Instance == USART2) \
AnnaBridge 167:84c0a372a020 161 { \
AnnaBridge 167:84c0a372a020 162 switch(__HAL_RCC_GET_USART2_SOURCE()) \
AnnaBridge 167:84c0a372a020 163 { \
AnnaBridge 167:84c0a372a020 164 case RCC_USART2CLKSOURCE_PCLK1: \
AnnaBridge 167:84c0a372a020 165 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 167:84c0a372a020 166 break; \
AnnaBridge 167:84c0a372a020 167 case RCC_USART2CLKSOURCE_HSI: \
AnnaBridge 167:84c0a372a020 168 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 167:84c0a372a020 169 break; \
AnnaBridge 167:84c0a372a020 170 case RCC_USART2CLKSOURCE_SYSCLK: \
AnnaBridge 167:84c0a372a020 171 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 167:84c0a372a020 172 break; \
AnnaBridge 167:84c0a372a020 173 case RCC_USART2CLKSOURCE_LSE: \
AnnaBridge 167:84c0a372a020 174 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 167:84c0a372a020 175 break; \
AnnaBridge 167:84c0a372a020 176 default: \
AnnaBridge 167:84c0a372a020 177 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 167:84c0a372a020 178 break; \
AnnaBridge 167:84c0a372a020 179 } \
AnnaBridge 167:84c0a372a020 180 } \
AnnaBridge 167:84c0a372a020 181 else if((__HANDLE__)->Instance == USART4) \
AnnaBridge 167:84c0a372a020 182 { \
AnnaBridge 167:84c0a372a020 183 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 167:84c0a372a020 184 } \
AnnaBridge 167:84c0a372a020 185 else if((__HANDLE__)->Instance == USART5) \
AnnaBridge 167:84c0a372a020 186 { \
AnnaBridge 167:84c0a372a020 187 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 167:84c0a372a020 188 } \
AnnaBridge 167:84c0a372a020 189 } while(0)
AnnaBridge 167:84c0a372a020 190
AnnaBridge 167:84c0a372a020 191 #else
AnnaBridge 167:84c0a372a020 192
AnnaBridge 167:84c0a372a020 193 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
AnnaBridge 167:84c0a372a020 194 do { \
AnnaBridge 167:84c0a372a020 195 if((__HANDLE__)->Instance == USART2) \
AnnaBridge 167:84c0a372a020 196 { \
AnnaBridge 167:84c0a372a020 197 switch(__HAL_RCC_GET_USART2_SOURCE()) \
AnnaBridge 167:84c0a372a020 198 { \
AnnaBridge 167:84c0a372a020 199 case RCC_USART2CLKSOURCE_PCLK1: \
AnnaBridge 167:84c0a372a020 200 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 167:84c0a372a020 201 break; \
AnnaBridge 167:84c0a372a020 202 case RCC_USART2CLKSOURCE_HSI: \
AnnaBridge 167:84c0a372a020 203 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 167:84c0a372a020 204 break; \
AnnaBridge 167:84c0a372a020 205 case RCC_USART2CLKSOURCE_SYSCLK: \
AnnaBridge 167:84c0a372a020 206 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 167:84c0a372a020 207 break; \
AnnaBridge 167:84c0a372a020 208 case RCC_USART2CLKSOURCE_LSE: \
AnnaBridge 167:84c0a372a020 209 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 167:84c0a372a020 210 break; \
AnnaBridge 167:84c0a372a020 211 default: \
AnnaBridge 167:84c0a372a020 212 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 167:84c0a372a020 213 break; \
AnnaBridge 167:84c0a372a020 214 } \
AnnaBridge 167:84c0a372a020 215 } \
AnnaBridge 167:84c0a372a020 216 } while(0)
AnnaBridge 167:84c0a372a020 217
AnnaBridge 167:84c0a372a020 218 #endif
AnnaBridge 167:84c0a372a020 219
AnnaBridge 167:84c0a372a020 220 /** @brief Compute the USART mask to apply to retrieve the received data
AnnaBridge 157:e7ca05fa8600 221 * according to the word length and to the parity bits activation.
AnnaBridge 167:84c0a372a020 222 * @note If PCE = 1, the parity bit is not included in the data extracted
AnnaBridge 157:e7ca05fa8600 223 * by the reception API().
AnnaBridge 157:e7ca05fa8600 224 * This masking operation is not carried out in the case of
AnnaBridge 167:84c0a372a020 225 * DMA transfers.
AnnaBridge 167:84c0a372a020 226 * @param __HANDLE__: specifies the USART Handle.
AnnaBridge 167:84c0a372a020 227 * @retval None, the mask to apply to USART RDR register is stored in (__HANDLE__)->Mask field.
AnnaBridge 167:84c0a372a020 228 */
AnnaBridge 167:84c0a372a020 229 #define USART_MASK_COMPUTATION(__HANDLE__) \
AnnaBridge 157:e7ca05fa8600 230 do { \
AnnaBridge 157:e7ca05fa8600 231 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
AnnaBridge 157:e7ca05fa8600 232 { \
AnnaBridge 157:e7ca05fa8600 233 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 157:e7ca05fa8600 234 { \
AnnaBridge 157:e7ca05fa8600 235 (__HANDLE__)->Mask = 0x01FF ; \
AnnaBridge 157:e7ca05fa8600 236 } \
AnnaBridge 157:e7ca05fa8600 237 else \
AnnaBridge 157:e7ca05fa8600 238 { \
AnnaBridge 157:e7ca05fa8600 239 (__HANDLE__)->Mask = 0x00FF ; \
AnnaBridge 157:e7ca05fa8600 240 } \
AnnaBridge 157:e7ca05fa8600 241 } \
AnnaBridge 157:e7ca05fa8600 242 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
AnnaBridge 157:e7ca05fa8600 243 { \
AnnaBridge 157:e7ca05fa8600 244 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 157:e7ca05fa8600 245 { \
AnnaBridge 157:e7ca05fa8600 246 (__HANDLE__)->Mask = 0x00FF ; \
AnnaBridge 157:e7ca05fa8600 247 } \
AnnaBridge 157:e7ca05fa8600 248 else \
AnnaBridge 157:e7ca05fa8600 249 { \
AnnaBridge 157:e7ca05fa8600 250 (__HANDLE__)->Mask = 0x007F ; \
AnnaBridge 157:e7ca05fa8600 251 } \
AnnaBridge 157:e7ca05fa8600 252 } \
AnnaBridge 157:e7ca05fa8600 253 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
AnnaBridge 157:e7ca05fa8600 254 { \
AnnaBridge 157:e7ca05fa8600 255 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 157:e7ca05fa8600 256 { \
AnnaBridge 157:e7ca05fa8600 257 (__HANDLE__)->Mask = 0x007F ; \
AnnaBridge 157:e7ca05fa8600 258 } \
AnnaBridge 157:e7ca05fa8600 259 else \
AnnaBridge 157:e7ca05fa8600 260 { \
AnnaBridge 157:e7ca05fa8600 261 (__HANDLE__)->Mask = 0x003F ; \
AnnaBridge 157:e7ca05fa8600 262 } \
AnnaBridge 157:e7ca05fa8600 263 } \
AnnaBridge 157:e7ca05fa8600 264 } while(0)
AnnaBridge 157:e7ca05fa8600 265
AnnaBridge 167:84c0a372a020 266
AnnaBridge 157:e7ca05fa8600 267 /**
AnnaBridge 167:84c0a372a020 268 * @brief Ensure that USART frame length is valid.
AnnaBridge 167:84c0a372a020 269 * @param __LENGTH__: USART frame length.
AnnaBridge 167:84c0a372a020 270 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
AnnaBridge 167:84c0a372a020 271 */
AnnaBridge 167:84c0a372a020 272 #define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
AnnaBridge 167:84c0a372a020 273 ((__LENGTH__) == USART_WORDLENGTH_8B) || \
AnnaBridge 167:84c0a372a020 274 ((__LENGTH__) == USART_WORDLENGTH_9B))
AnnaBridge 157:e7ca05fa8600 275
AnnaBridge 157:e7ca05fa8600 276 /**
AnnaBridge 157:e7ca05fa8600 277 * @}
AnnaBridge 167:84c0a372a020 278 */
AnnaBridge 167:84c0a372a020 279
AnnaBridge 167:84c0a372a020 280 /* Exported functions --------------------------------------------------------*/
AnnaBridge 157:e7ca05fa8600 281
AnnaBridge 157:e7ca05fa8600 282 /**
AnnaBridge 157:e7ca05fa8600 283 * @}
AnnaBridge 167:84c0a372a020 284 */
AnnaBridge 167:84c0a372a020 285
AnnaBridge 167:84c0a372a020 286 /**
AnnaBridge 167:84c0a372a020 287 * @}
AnnaBridge 167:84c0a372a020 288 */
AnnaBridge 167:84c0a372a020 289
AnnaBridge 157:e7ca05fa8600 290 #ifdef __cplusplus
AnnaBridge 157:e7ca05fa8600 291 }
AnnaBridge 157:e7ca05fa8600 292 #endif
AnnaBridge 157:e7ca05fa8600 293
AnnaBridge 157:e7ca05fa8600 294 #endif /* __STM32L0xx_HAL_USART_EX_H */
AnnaBridge 157:e7ca05fa8600 295
AnnaBridge 157:e7ca05fa8600 296 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
AnnaBridge 157:e7ca05fa8600 297