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mbed library sources. Supersedes mbed-src.

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cmsis/BUILD/mbed/TARGET_DISCO_L072CZ_LRWAN1/TOOLCHAIN_IAR/stm32l0xx_hal_usart_ex.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /**
AnnaBridge 189:f392fc9709a3 2 ******************************************************************************
AnnaBridge 189:f392fc9709a3 3 * @file stm32l0xx_hal_usart_ex.h
AnnaBridge 189:f392fc9709a3 4 * @author MCD Application Team
AnnaBridge 189:f392fc9709a3 5 * @brief Header file of USART HAL Extended module.
AnnaBridge 189:f392fc9709a3 6 ******************************************************************************
AnnaBridge 189:f392fc9709a3 7 * @attention
AnnaBridge 189:f392fc9709a3 8 *
AnnaBridge 189:f392fc9709a3 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 189:f392fc9709a3 10 *
AnnaBridge 189:f392fc9709a3 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 189:f392fc9709a3 12 * are permitted provided that the following conditions are met:
AnnaBridge 189:f392fc9709a3 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 189:f392fc9709a3 14 * this list of conditions and the following disclaimer.
AnnaBridge 189:f392fc9709a3 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 189:f392fc9709a3 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 189:f392fc9709a3 17 * and/or other materials provided with the distribution.
AnnaBridge 189:f392fc9709a3 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 189:f392fc9709a3 19 * may be used to endorse or promote products derived from this software
AnnaBridge 189:f392fc9709a3 20 * without specific prior written permission.
AnnaBridge 189:f392fc9709a3 21 *
AnnaBridge 189:f392fc9709a3 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 189:f392fc9709a3 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 189:f392fc9709a3 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 189:f392fc9709a3 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 189:f392fc9709a3 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 189:f392fc9709a3 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 189:f392fc9709a3 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 189:f392fc9709a3 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 189:f392fc9709a3 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 189:f392fc9709a3 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 189:f392fc9709a3 32 *
AnnaBridge 189:f392fc9709a3 33 ******************************************************************************
AnnaBridge 189:f392fc9709a3 34 */
AnnaBridge 189:f392fc9709a3 35
AnnaBridge 189:f392fc9709a3 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 189:f392fc9709a3 37 #ifndef __STM32L0xx_HAL_USART_EX_H
AnnaBridge 189:f392fc9709a3 38 #define __STM32L0xx_HAL_USART_EX_H
AnnaBridge 189:f392fc9709a3 39
AnnaBridge 189:f392fc9709a3 40 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 41 extern "C" {
AnnaBridge 189:f392fc9709a3 42 #endif
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 45 #include "stm32l0xx_hal_def.h"
AnnaBridge 189:f392fc9709a3 46
AnnaBridge 189:f392fc9709a3 47 /** @addtogroup STM32L0xx_HAL_Driver
AnnaBridge 189:f392fc9709a3 48 * @{
AnnaBridge 189:f392fc9709a3 49 */
AnnaBridge 189:f392fc9709a3 50
AnnaBridge 189:f392fc9709a3 51 /** @addtogroup USARTEx
AnnaBridge 189:f392fc9709a3 52 * @{
AnnaBridge 189:f392fc9709a3 53 */
AnnaBridge 189:f392fc9709a3 54
AnnaBridge 189:f392fc9709a3 55 /* Exported types ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 56 /* Exported constants --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 57 /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
AnnaBridge 189:f392fc9709a3 58 * @{
AnnaBridge 189:f392fc9709a3 59 */
AnnaBridge 189:f392fc9709a3 60
AnnaBridge 189:f392fc9709a3 61 /** @defgroup USARTEx_Word_Length USARTEx Word Length
AnnaBridge 189:f392fc9709a3 62 * @{
AnnaBridge 189:f392fc9709a3 63 */
AnnaBridge 189:f392fc9709a3 64 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long USART frame */
AnnaBridge 189:f392fc9709a3 65 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000U) /*!< 8-bit long USART frame */
AnnaBridge 189:f392fc9709a3 66 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long USART frame */
AnnaBridge 189:f392fc9709a3 67 /**
AnnaBridge 189:f392fc9709a3 68 * @}
AnnaBridge 189:f392fc9709a3 69 */
AnnaBridge 189:f392fc9709a3 70
AnnaBridge 189:f392fc9709a3 71 /**
AnnaBridge 189:f392fc9709a3 72 * @}
AnnaBridge 189:f392fc9709a3 73 */
AnnaBridge 189:f392fc9709a3 74
AnnaBridge 189:f392fc9709a3 75 /* Exported functions --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 76
AnnaBridge 189:f392fc9709a3 77 /* Private macros ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 78 /** @defgroup USARTEx_Private_Macros USARTEx Private Macros
AnnaBridge 189:f392fc9709a3 79 * @{
AnnaBridge 189:f392fc9709a3 80 */
AnnaBridge 189:f392fc9709a3 81
AnnaBridge 189:f392fc9709a3 82 /** @brief Report the USART clock source.
AnnaBridge 189:f392fc9709a3 83 * @param __HANDLE__: specifies the USART Handle.
AnnaBridge 189:f392fc9709a3 84 * @param __CLOCKSOURCE__: output variable.
AnnaBridge 189:f392fc9709a3 85 * @retval the USART clocking source, written in __CLOCKSOURCE__.
AnnaBridge 189:f392fc9709a3 86 */
AnnaBridge 189:f392fc9709a3 87 #if defined (STM32L051xx) || defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L061xx) || defined (STM32L062xx) || defined (STM32L063xx)
AnnaBridge 189:f392fc9709a3 88
AnnaBridge 189:f392fc9709a3 89 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
AnnaBridge 189:f392fc9709a3 90 do { \
AnnaBridge 189:f392fc9709a3 91 if((__HANDLE__)->Instance == USART1) \
AnnaBridge 189:f392fc9709a3 92 { \
AnnaBridge 189:f392fc9709a3 93 switch(__HAL_RCC_GET_USART1_SOURCE()) \
AnnaBridge 189:f392fc9709a3 94 { \
AnnaBridge 189:f392fc9709a3 95 case RCC_USART1CLKSOURCE_PCLK2: \
AnnaBridge 189:f392fc9709a3 96 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
AnnaBridge 189:f392fc9709a3 97 break; \
AnnaBridge 189:f392fc9709a3 98 case RCC_USART1CLKSOURCE_HSI: \
AnnaBridge 189:f392fc9709a3 99 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 189:f392fc9709a3 100 break; \
AnnaBridge 189:f392fc9709a3 101 case RCC_USART1CLKSOURCE_SYSCLK: \
AnnaBridge 189:f392fc9709a3 102 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 189:f392fc9709a3 103 break; \
AnnaBridge 189:f392fc9709a3 104 case RCC_USART1CLKSOURCE_LSE: \
AnnaBridge 189:f392fc9709a3 105 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 189:f392fc9709a3 106 break; \
AnnaBridge 189:f392fc9709a3 107 default: \
AnnaBridge 189:f392fc9709a3 108 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 189:f392fc9709a3 109 break; \
AnnaBridge 189:f392fc9709a3 110 } \
AnnaBridge 189:f392fc9709a3 111 } \
AnnaBridge 189:f392fc9709a3 112 else if((__HANDLE__)->Instance == USART2) \
AnnaBridge 189:f392fc9709a3 113 { \
AnnaBridge 189:f392fc9709a3 114 switch(__HAL_RCC_GET_USART2_SOURCE()) \
AnnaBridge 189:f392fc9709a3 115 { \
AnnaBridge 189:f392fc9709a3 116 case RCC_USART2CLKSOURCE_PCLK1: \
AnnaBridge 189:f392fc9709a3 117 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 189:f392fc9709a3 118 break; \
AnnaBridge 189:f392fc9709a3 119 case RCC_USART2CLKSOURCE_HSI: \
AnnaBridge 189:f392fc9709a3 120 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 189:f392fc9709a3 121 break; \
AnnaBridge 189:f392fc9709a3 122 case RCC_USART2CLKSOURCE_SYSCLK: \
AnnaBridge 189:f392fc9709a3 123 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 189:f392fc9709a3 124 break; \
AnnaBridge 189:f392fc9709a3 125 case RCC_USART2CLKSOURCE_LSE: \
AnnaBridge 189:f392fc9709a3 126 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 189:f392fc9709a3 127 break; \
AnnaBridge 189:f392fc9709a3 128 default: \
AnnaBridge 189:f392fc9709a3 129 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 189:f392fc9709a3 130 break; \
AnnaBridge 189:f392fc9709a3 131 } \
AnnaBridge 189:f392fc9709a3 132 } \
AnnaBridge 189:f392fc9709a3 133 } while(0)
AnnaBridge 189:f392fc9709a3 134
AnnaBridge 189:f392fc9709a3 135 #elif defined(STM32L071xx) || defined (STM32L081xx) || defined(STM32L072xx) || defined (STM32L082xx) || defined(STM32L073xx) || defined (STM32L083xx)
AnnaBridge 189:f392fc9709a3 136
AnnaBridge 189:f392fc9709a3 137 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
AnnaBridge 189:f392fc9709a3 138 do { \
AnnaBridge 189:f392fc9709a3 139 if((__HANDLE__)->Instance == USART1) \
AnnaBridge 189:f392fc9709a3 140 { \
AnnaBridge 189:f392fc9709a3 141 switch(__HAL_RCC_GET_USART1_SOURCE()) \
AnnaBridge 189:f392fc9709a3 142 { \
AnnaBridge 189:f392fc9709a3 143 case RCC_USART1CLKSOURCE_PCLK2: \
AnnaBridge 189:f392fc9709a3 144 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
AnnaBridge 189:f392fc9709a3 145 break; \
AnnaBridge 189:f392fc9709a3 146 case RCC_USART1CLKSOURCE_HSI: \
AnnaBridge 189:f392fc9709a3 147 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 189:f392fc9709a3 148 break; \
AnnaBridge 189:f392fc9709a3 149 case RCC_USART1CLKSOURCE_SYSCLK: \
AnnaBridge 189:f392fc9709a3 150 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 189:f392fc9709a3 151 break; \
AnnaBridge 189:f392fc9709a3 152 case RCC_USART1CLKSOURCE_LSE: \
AnnaBridge 189:f392fc9709a3 153 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 189:f392fc9709a3 154 break; \
AnnaBridge 189:f392fc9709a3 155 default: \
AnnaBridge 189:f392fc9709a3 156 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 189:f392fc9709a3 157 break; \
AnnaBridge 189:f392fc9709a3 158 } \
AnnaBridge 189:f392fc9709a3 159 } \
AnnaBridge 189:f392fc9709a3 160 else if((__HANDLE__)->Instance == USART2) \
AnnaBridge 189:f392fc9709a3 161 { \
AnnaBridge 189:f392fc9709a3 162 switch(__HAL_RCC_GET_USART2_SOURCE()) \
AnnaBridge 189:f392fc9709a3 163 { \
AnnaBridge 189:f392fc9709a3 164 case RCC_USART2CLKSOURCE_PCLK1: \
AnnaBridge 189:f392fc9709a3 165 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 189:f392fc9709a3 166 break; \
AnnaBridge 189:f392fc9709a3 167 case RCC_USART2CLKSOURCE_HSI: \
AnnaBridge 189:f392fc9709a3 168 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 189:f392fc9709a3 169 break; \
AnnaBridge 189:f392fc9709a3 170 case RCC_USART2CLKSOURCE_SYSCLK: \
AnnaBridge 189:f392fc9709a3 171 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 189:f392fc9709a3 172 break; \
AnnaBridge 189:f392fc9709a3 173 case RCC_USART2CLKSOURCE_LSE: \
AnnaBridge 189:f392fc9709a3 174 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 189:f392fc9709a3 175 break; \
AnnaBridge 189:f392fc9709a3 176 default: \
AnnaBridge 189:f392fc9709a3 177 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 189:f392fc9709a3 178 break; \
AnnaBridge 189:f392fc9709a3 179 } \
AnnaBridge 189:f392fc9709a3 180 } \
AnnaBridge 189:f392fc9709a3 181 else if((__HANDLE__)->Instance == USART4) \
AnnaBridge 189:f392fc9709a3 182 { \
AnnaBridge 189:f392fc9709a3 183 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 189:f392fc9709a3 184 } \
AnnaBridge 189:f392fc9709a3 185 else if((__HANDLE__)->Instance == USART5) \
AnnaBridge 189:f392fc9709a3 186 { \
AnnaBridge 189:f392fc9709a3 187 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 189:f392fc9709a3 188 } \
AnnaBridge 189:f392fc9709a3 189 } while(0)
AnnaBridge 189:f392fc9709a3 190
AnnaBridge 189:f392fc9709a3 191 #else
AnnaBridge 189:f392fc9709a3 192
AnnaBridge 189:f392fc9709a3 193 #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
AnnaBridge 189:f392fc9709a3 194 do { \
AnnaBridge 189:f392fc9709a3 195 if((__HANDLE__)->Instance == USART2) \
AnnaBridge 189:f392fc9709a3 196 { \
AnnaBridge 189:f392fc9709a3 197 switch(__HAL_RCC_GET_USART2_SOURCE()) \
AnnaBridge 189:f392fc9709a3 198 { \
AnnaBridge 189:f392fc9709a3 199 case RCC_USART2CLKSOURCE_PCLK1: \
AnnaBridge 189:f392fc9709a3 200 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
AnnaBridge 189:f392fc9709a3 201 break; \
AnnaBridge 189:f392fc9709a3 202 case RCC_USART2CLKSOURCE_HSI: \
AnnaBridge 189:f392fc9709a3 203 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
AnnaBridge 189:f392fc9709a3 204 break; \
AnnaBridge 189:f392fc9709a3 205 case RCC_USART2CLKSOURCE_SYSCLK: \
AnnaBridge 189:f392fc9709a3 206 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
AnnaBridge 189:f392fc9709a3 207 break; \
AnnaBridge 189:f392fc9709a3 208 case RCC_USART2CLKSOURCE_LSE: \
AnnaBridge 189:f392fc9709a3 209 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
AnnaBridge 189:f392fc9709a3 210 break; \
AnnaBridge 189:f392fc9709a3 211 default: \
AnnaBridge 189:f392fc9709a3 212 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
AnnaBridge 189:f392fc9709a3 213 break; \
AnnaBridge 189:f392fc9709a3 214 } \
AnnaBridge 189:f392fc9709a3 215 } \
AnnaBridge 189:f392fc9709a3 216 } while(0)
AnnaBridge 189:f392fc9709a3 217
AnnaBridge 189:f392fc9709a3 218 #endif
AnnaBridge 189:f392fc9709a3 219
AnnaBridge 189:f392fc9709a3 220 /** @brief Compute the USART mask to apply to retrieve the received data
AnnaBridge 189:f392fc9709a3 221 * according to the word length and to the parity bits activation.
AnnaBridge 189:f392fc9709a3 222 * @note If PCE = 1, the parity bit is not included in the data extracted
AnnaBridge 189:f392fc9709a3 223 * by the reception API().
AnnaBridge 189:f392fc9709a3 224 * This masking operation is not carried out in the case of
AnnaBridge 189:f392fc9709a3 225 * DMA transfers.
AnnaBridge 189:f392fc9709a3 226 * @param __HANDLE__: specifies the USART Handle.
AnnaBridge 189:f392fc9709a3 227 * @retval None, the mask to apply to USART RDR register is stored in (__HANDLE__)->Mask field.
AnnaBridge 189:f392fc9709a3 228 */
AnnaBridge 189:f392fc9709a3 229 #define USART_MASK_COMPUTATION(__HANDLE__) \
AnnaBridge 189:f392fc9709a3 230 do { \
AnnaBridge 189:f392fc9709a3 231 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
AnnaBridge 189:f392fc9709a3 232 { \
AnnaBridge 189:f392fc9709a3 233 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 189:f392fc9709a3 234 { \
AnnaBridge 189:f392fc9709a3 235 (__HANDLE__)->Mask = 0x01FF ; \
AnnaBridge 189:f392fc9709a3 236 } \
AnnaBridge 189:f392fc9709a3 237 else \
AnnaBridge 189:f392fc9709a3 238 { \
AnnaBridge 189:f392fc9709a3 239 (__HANDLE__)->Mask = 0x00FF ; \
AnnaBridge 189:f392fc9709a3 240 } \
AnnaBridge 189:f392fc9709a3 241 } \
AnnaBridge 189:f392fc9709a3 242 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
AnnaBridge 189:f392fc9709a3 243 { \
AnnaBridge 189:f392fc9709a3 244 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 189:f392fc9709a3 245 { \
AnnaBridge 189:f392fc9709a3 246 (__HANDLE__)->Mask = 0x00FF ; \
AnnaBridge 189:f392fc9709a3 247 } \
AnnaBridge 189:f392fc9709a3 248 else \
AnnaBridge 189:f392fc9709a3 249 { \
AnnaBridge 189:f392fc9709a3 250 (__HANDLE__)->Mask = 0x007F ; \
AnnaBridge 189:f392fc9709a3 251 } \
AnnaBridge 189:f392fc9709a3 252 } \
AnnaBridge 189:f392fc9709a3 253 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
AnnaBridge 189:f392fc9709a3 254 { \
AnnaBridge 189:f392fc9709a3 255 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
AnnaBridge 189:f392fc9709a3 256 { \
AnnaBridge 189:f392fc9709a3 257 (__HANDLE__)->Mask = 0x007F ; \
AnnaBridge 189:f392fc9709a3 258 } \
AnnaBridge 189:f392fc9709a3 259 else \
AnnaBridge 189:f392fc9709a3 260 { \
AnnaBridge 189:f392fc9709a3 261 (__HANDLE__)->Mask = 0x003F ; \
AnnaBridge 189:f392fc9709a3 262 } \
AnnaBridge 189:f392fc9709a3 263 } \
AnnaBridge 189:f392fc9709a3 264 } while(0)
AnnaBridge 189:f392fc9709a3 265
AnnaBridge 189:f392fc9709a3 266
AnnaBridge 189:f392fc9709a3 267 /**
AnnaBridge 189:f392fc9709a3 268 * @brief Ensure that USART frame length is valid.
AnnaBridge 189:f392fc9709a3 269 * @param __LENGTH__: USART frame length.
AnnaBridge 189:f392fc9709a3 270 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
AnnaBridge 189:f392fc9709a3 271 */
AnnaBridge 189:f392fc9709a3 272 #define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
AnnaBridge 189:f392fc9709a3 273 ((__LENGTH__) == USART_WORDLENGTH_8B) || \
AnnaBridge 189:f392fc9709a3 274 ((__LENGTH__) == USART_WORDLENGTH_9B))
AnnaBridge 189:f392fc9709a3 275
AnnaBridge 189:f392fc9709a3 276 /**
AnnaBridge 189:f392fc9709a3 277 * @}
AnnaBridge 189:f392fc9709a3 278 */
AnnaBridge 189:f392fc9709a3 279
AnnaBridge 189:f392fc9709a3 280 /* Exported functions --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 281
AnnaBridge 189:f392fc9709a3 282 /**
AnnaBridge 189:f392fc9709a3 283 * @}
AnnaBridge 189:f392fc9709a3 284 */
AnnaBridge 189:f392fc9709a3 285
AnnaBridge 189:f392fc9709a3 286 /**
AnnaBridge 189:f392fc9709a3 287 * @}
AnnaBridge 189:f392fc9709a3 288 */
AnnaBridge 189:f392fc9709a3 289
AnnaBridge 189:f392fc9709a3 290 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 291 }
AnnaBridge 189:f392fc9709a3 292 #endif
AnnaBridge 189:f392fc9709a3 293
AnnaBridge 189:f392fc9709a3 294 #endif /* __STM32L0xx_HAL_USART_EX_H */
AnnaBridge 189:f392fc9709a3 295
AnnaBridge 189:f392fc9709a3 296 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
AnnaBridge 189:f392fc9709a3 297