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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_uart_ex.h@610:813dcc80987e, 2015-08-14 (annotated)

Committer:
mbed_official
Date:
Fri Aug 14 13:15:17 2015 +0100
Revision:
610:813dcc80987e
Synchronized with git revision 6d84db41c6833e0b9b024741eb0616a5f62d5599



Full URL: https://github.com/mbedmicro/mbed/commit/6d84db41c6833e0b9b024741eb0616a5f62d5599/



DISCO_F746NG - Improvements

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 610:813dcc80987e 1 /**
mbed_official 610:813dcc80987e 2 ******************************************************************************
mbed_official 610:813dcc80987e 3 * @file stm32l4xx_hal_uart_ex.h
mbed_official 610:813dcc80987e 4 * @author MCD Application Team
mbed_official 610:813dcc80987e 5 * @version V1.0.0
mbed_official 610:813dcc80987e 6 * @date 26-June-2015
mbed_official 610:813dcc80987e 7 * @brief Header file of UART HAL Extended module.
mbed_official 610:813dcc80987e 8 ******************************************************************************
mbed_official 610:813dcc80987e 9 * @attention
mbed_official 610:813dcc80987e 10 *
mbed_official 610:813dcc80987e 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official 610:813dcc80987e 12 *
mbed_official 610:813dcc80987e 13 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 610:813dcc80987e 14 * are permitted provided that the following conditions are met:
mbed_official 610:813dcc80987e 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 610:813dcc80987e 16 * this list of conditions and the following disclaimer.
mbed_official 610:813dcc80987e 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 610:813dcc80987e 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 610:813dcc80987e 19 * and/or other materials provided with the distribution.
mbed_official 610:813dcc80987e 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 610:813dcc80987e 21 * may be used to endorse or promote products derived from this software
mbed_official 610:813dcc80987e 22 * without specific prior written permission.
mbed_official 610:813dcc80987e 23 *
mbed_official 610:813dcc80987e 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 610:813dcc80987e 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 610:813dcc80987e 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 610:813dcc80987e 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 610:813dcc80987e 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 610:813dcc80987e 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 610:813dcc80987e 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 610:813dcc80987e 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 610:813dcc80987e 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 610:813dcc80987e 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 610:813dcc80987e 34 *
mbed_official 610:813dcc80987e 35 ******************************************************************************
mbed_official 610:813dcc80987e 36 */
mbed_official 610:813dcc80987e 37
mbed_official 610:813dcc80987e 38 /* Define to prevent recursive inclusion -------------------------------------*/
mbed_official 610:813dcc80987e 39 #ifndef __STM32L4xx_HAL_UART_EX_H
mbed_official 610:813dcc80987e 40 #define __STM32L4xx_HAL_UART_EX_H
mbed_official 610:813dcc80987e 41
mbed_official 610:813dcc80987e 42 #ifdef __cplusplus
mbed_official 610:813dcc80987e 43 extern "C" {
mbed_official 610:813dcc80987e 44 #endif
mbed_official 610:813dcc80987e 45
mbed_official 610:813dcc80987e 46 /* Includes ------------------------------------------------------------------*/
mbed_official 610:813dcc80987e 47 #include "stm32l4xx_hal_def.h"
mbed_official 610:813dcc80987e 48
mbed_official 610:813dcc80987e 49 /** @addtogroup STM32L4xx_HAL_Driver
mbed_official 610:813dcc80987e 50 * @{
mbed_official 610:813dcc80987e 51 */
mbed_official 610:813dcc80987e 52
mbed_official 610:813dcc80987e 53 /** @addtogroup UARTEx
mbed_official 610:813dcc80987e 54 * @{
mbed_official 610:813dcc80987e 55 */
mbed_official 610:813dcc80987e 56
mbed_official 610:813dcc80987e 57 /* Exported types ------------------------------------------------------------*/
mbed_official 610:813dcc80987e 58 /** @defgroup UARTEx_Exported_Types UARTEx Exported Types
mbed_official 610:813dcc80987e 59 * @{
mbed_official 610:813dcc80987e 60 */
mbed_official 610:813dcc80987e 61
mbed_official 610:813dcc80987e 62 /**
mbed_official 610:813dcc80987e 63 * @brief UART wake up from stop mode parameters
mbed_official 610:813dcc80987e 64 */
mbed_official 610:813dcc80987e 65 typedef struct
mbed_official 610:813dcc80987e 66 {
mbed_official 610:813dcc80987e 67 uint32_t WakeUpEvent; /*!< Specifies which event will activat the Wakeup from Stop mode flag (WUF).
mbed_official 610:813dcc80987e 68 This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection.
mbed_official 610:813dcc80987e 69 If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must
mbed_official 610:813dcc80987e 70 be filled up. */
mbed_official 610:813dcc80987e 71
mbed_official 610:813dcc80987e 72 uint16_t AddressLength; /*!< Specifies whether the address is 4 or 7-bit long.
mbed_official 610:813dcc80987e 73 This parameter can be a value of @ref UARTEx_WakeUp_Address_Length. */
mbed_official 610:813dcc80987e 74
mbed_official 610:813dcc80987e 75 uint8_t Address; /*!< UART/USART node address (7-bit long max). */
mbed_official 610:813dcc80987e 76 } UART_WakeUpTypeDef;
mbed_official 610:813dcc80987e 77
mbed_official 610:813dcc80987e 78 /**
mbed_official 610:813dcc80987e 79 * @}
mbed_official 610:813dcc80987e 80 */
mbed_official 610:813dcc80987e 81
mbed_official 610:813dcc80987e 82 /* Exported constants --------------------------------------------------------*/
mbed_official 610:813dcc80987e 83 /** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
mbed_official 610:813dcc80987e 84 * @{
mbed_official 610:813dcc80987e 85 */
mbed_official 610:813dcc80987e 86
mbed_official 610:813dcc80987e 87 /** @defgroup UARTEx_Word_Length UART Word Length
mbed_official 610:813dcc80987e 88 * @{
mbed_official 610:813dcc80987e 89 */
mbed_official 610:813dcc80987e 90 #define UART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long UART frame */
mbed_official 610:813dcc80987e 91 #define UART_WORDLENGTH_8B ((uint32_t)0x00000000) /*!< 8-bit long UART frame */
mbed_official 610:813dcc80987e 92 #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long UART frame */
mbed_official 610:813dcc80987e 93 /**
mbed_official 610:813dcc80987e 94 * @}
mbed_official 610:813dcc80987e 95 */
mbed_official 610:813dcc80987e 96
mbed_official 610:813dcc80987e 97 /** @defgroup UARTEx_WakeUp_Address_Length UART Extended WakeUp Address Length
mbed_official 610:813dcc80987e 98 * @{
mbed_official 610:813dcc80987e 99 */
mbed_official 610:813dcc80987e 100 #define UART_ADDRESS_DETECT_4B ((uint32_t)0x00000000) /*!< 4-bit long wake-up address */
mbed_official 610:813dcc80987e 101 #define UART_ADDRESS_DETECT_7B ((uint32_t)USART_CR2_ADDM7) /*!< 7-bit long wake-up address */
mbed_official 610:813dcc80987e 102 /**
mbed_official 610:813dcc80987e 103 * @}
mbed_official 610:813dcc80987e 104 */
mbed_official 610:813dcc80987e 105
mbed_official 610:813dcc80987e 106 /**
mbed_official 610:813dcc80987e 107 * @}
mbed_official 610:813dcc80987e 108 */
mbed_official 610:813dcc80987e 109
mbed_official 610:813dcc80987e 110 /* Exported macros -----------------------------------------------------------*/
mbed_official 610:813dcc80987e 111 /* Exported functions --------------------------------------------------------*/
mbed_official 610:813dcc80987e 112 /** @addtogroup UARTEx_Exported_Functions
mbed_official 610:813dcc80987e 113 * @{
mbed_official 610:813dcc80987e 114 */
mbed_official 610:813dcc80987e 115
mbed_official 610:813dcc80987e 116 /** @addtogroup UARTEx_Exported_Functions_Group1
mbed_official 610:813dcc80987e 117 * @{
mbed_official 610:813dcc80987e 118 */
mbed_official 610:813dcc80987e 119
mbed_official 610:813dcc80987e 120 /* Initialization and de-initialization functions ****************************/
mbed_official 610:813dcc80987e 121 HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime);
mbed_official 610:813dcc80987e 122
mbed_official 610:813dcc80987e 123 /**
mbed_official 610:813dcc80987e 124 * @}
mbed_official 610:813dcc80987e 125 */
mbed_official 610:813dcc80987e 126
mbed_official 610:813dcc80987e 127 /* IO operation functions *****************************************************/
mbed_official 610:813dcc80987e 128
mbed_official 610:813dcc80987e 129 /** @addtogroup UARTEx_Exported_Functions_Group3
mbed_official 610:813dcc80987e 130 * @{
mbed_official 610:813dcc80987e 131 */
mbed_official 610:813dcc80987e 132
mbed_official 610:813dcc80987e 133 /* Peripheral Control functions **********************************************/
mbed_official 610:813dcc80987e 134 HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection);
mbed_official 610:813dcc80987e 135 HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart);
mbed_official 610:813dcc80987e 136 HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart);
mbed_official 610:813dcc80987e 137 HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);
mbed_official 610:813dcc80987e 138 void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);
mbed_official 610:813dcc80987e 139
mbed_official 610:813dcc80987e 140 /**
mbed_official 610:813dcc80987e 141 * @}
mbed_official 610:813dcc80987e 142 */
mbed_official 610:813dcc80987e 143
mbed_official 610:813dcc80987e 144 /**
mbed_official 610:813dcc80987e 145 * @}
mbed_official 610:813dcc80987e 146 */
mbed_official 610:813dcc80987e 147
mbed_official 610:813dcc80987e 148 /* Private macros ------------------------------------------------------------*/
mbed_official 610:813dcc80987e 149 /** @defgroup UARTEx_Private_Macros UARTEx Private Macros
mbed_official 610:813dcc80987e 150 * @{
mbed_official 610:813dcc80987e 151 */
mbed_official 610:813dcc80987e 152
mbed_official 610:813dcc80987e 153 /** @brief Report the UART clock source.
mbed_official 610:813dcc80987e 154 * @param __HANDLE__: specifies the UART Handle.
mbed_official 610:813dcc80987e 155 * @param __CLOCKSOURCE__: output variable.
mbed_official 610:813dcc80987e 156 * @retval UART clocking source, written in __CLOCKSOURCE__.
mbed_official 610:813dcc80987e 157 */
mbed_official 610:813dcc80987e 158 #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
mbed_official 610:813dcc80987e 159 do { \
mbed_official 610:813dcc80987e 160 if((__HANDLE__)->Instance == USART1) \
mbed_official 610:813dcc80987e 161 { \
mbed_official 610:813dcc80987e 162 switch(__HAL_RCC_GET_USART1_SOURCE()) \
mbed_official 610:813dcc80987e 163 { \
mbed_official 610:813dcc80987e 164 case RCC_USART1CLKSOURCE_PCLK2: \
mbed_official 610:813dcc80987e 165 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \
mbed_official 610:813dcc80987e 166 break; \
mbed_official 610:813dcc80987e 167 case RCC_USART1CLKSOURCE_HSI: \
mbed_official 610:813dcc80987e 168 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
mbed_official 610:813dcc80987e 169 break; \
mbed_official 610:813dcc80987e 170 case RCC_USART1CLKSOURCE_SYSCLK: \
mbed_official 610:813dcc80987e 171 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
mbed_official 610:813dcc80987e 172 break; \
mbed_official 610:813dcc80987e 173 case RCC_USART1CLKSOURCE_LSE: \
mbed_official 610:813dcc80987e 174 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
mbed_official 610:813dcc80987e 175 break; \
mbed_official 610:813dcc80987e 176 default: \
mbed_official 610:813dcc80987e 177 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
mbed_official 610:813dcc80987e 178 break; \
mbed_official 610:813dcc80987e 179 } \
mbed_official 610:813dcc80987e 180 } \
mbed_official 610:813dcc80987e 181 else if((__HANDLE__)->Instance == USART2) \
mbed_official 610:813dcc80987e 182 { \
mbed_official 610:813dcc80987e 183 switch(__HAL_RCC_GET_USART2_SOURCE()) \
mbed_official 610:813dcc80987e 184 { \
mbed_official 610:813dcc80987e 185 case RCC_USART2CLKSOURCE_PCLK1: \
mbed_official 610:813dcc80987e 186 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
mbed_official 610:813dcc80987e 187 break; \
mbed_official 610:813dcc80987e 188 case RCC_USART2CLKSOURCE_HSI: \
mbed_official 610:813dcc80987e 189 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
mbed_official 610:813dcc80987e 190 break; \
mbed_official 610:813dcc80987e 191 case RCC_USART2CLKSOURCE_SYSCLK: \
mbed_official 610:813dcc80987e 192 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
mbed_official 610:813dcc80987e 193 break; \
mbed_official 610:813dcc80987e 194 case RCC_USART2CLKSOURCE_LSE: \
mbed_official 610:813dcc80987e 195 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
mbed_official 610:813dcc80987e 196 break; \
mbed_official 610:813dcc80987e 197 default: \
mbed_official 610:813dcc80987e 198 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
mbed_official 610:813dcc80987e 199 break; \
mbed_official 610:813dcc80987e 200 } \
mbed_official 610:813dcc80987e 201 } \
mbed_official 610:813dcc80987e 202 else if((__HANDLE__)->Instance == USART3) \
mbed_official 610:813dcc80987e 203 { \
mbed_official 610:813dcc80987e 204 switch(__HAL_RCC_GET_USART3_SOURCE()) \
mbed_official 610:813dcc80987e 205 { \
mbed_official 610:813dcc80987e 206 case RCC_USART3CLKSOURCE_PCLK1: \
mbed_official 610:813dcc80987e 207 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
mbed_official 610:813dcc80987e 208 break; \
mbed_official 610:813dcc80987e 209 case RCC_USART3CLKSOURCE_HSI: \
mbed_official 610:813dcc80987e 210 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
mbed_official 610:813dcc80987e 211 break; \
mbed_official 610:813dcc80987e 212 case RCC_USART3CLKSOURCE_SYSCLK: \
mbed_official 610:813dcc80987e 213 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
mbed_official 610:813dcc80987e 214 break; \
mbed_official 610:813dcc80987e 215 case RCC_USART3CLKSOURCE_LSE: \
mbed_official 610:813dcc80987e 216 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
mbed_official 610:813dcc80987e 217 break; \
mbed_official 610:813dcc80987e 218 default: \
mbed_official 610:813dcc80987e 219 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
mbed_official 610:813dcc80987e 220 break; \
mbed_official 610:813dcc80987e 221 } \
mbed_official 610:813dcc80987e 222 } \
mbed_official 610:813dcc80987e 223 else if((__HANDLE__)->Instance == UART4) \
mbed_official 610:813dcc80987e 224 { \
mbed_official 610:813dcc80987e 225 switch(__HAL_RCC_GET_UART4_SOURCE()) \
mbed_official 610:813dcc80987e 226 { \
mbed_official 610:813dcc80987e 227 case RCC_UART4CLKSOURCE_PCLK1: \
mbed_official 610:813dcc80987e 228 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
mbed_official 610:813dcc80987e 229 break; \
mbed_official 610:813dcc80987e 230 case RCC_UART4CLKSOURCE_HSI: \
mbed_official 610:813dcc80987e 231 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
mbed_official 610:813dcc80987e 232 break; \
mbed_official 610:813dcc80987e 233 case RCC_UART4CLKSOURCE_SYSCLK: \
mbed_official 610:813dcc80987e 234 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
mbed_official 610:813dcc80987e 235 break; \
mbed_official 610:813dcc80987e 236 case RCC_UART4CLKSOURCE_LSE: \
mbed_official 610:813dcc80987e 237 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
mbed_official 610:813dcc80987e 238 break; \
mbed_official 610:813dcc80987e 239 default: \
mbed_official 610:813dcc80987e 240 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
mbed_official 610:813dcc80987e 241 break; \
mbed_official 610:813dcc80987e 242 } \
mbed_official 610:813dcc80987e 243 } \
mbed_official 610:813dcc80987e 244 else if ((__HANDLE__)->Instance == UART5) \
mbed_official 610:813dcc80987e 245 { \
mbed_official 610:813dcc80987e 246 switch(__HAL_RCC_GET_UART5_SOURCE()) \
mbed_official 610:813dcc80987e 247 { \
mbed_official 610:813dcc80987e 248 case RCC_UART5CLKSOURCE_PCLK1: \
mbed_official 610:813dcc80987e 249 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
mbed_official 610:813dcc80987e 250 break; \
mbed_official 610:813dcc80987e 251 case RCC_UART5CLKSOURCE_HSI: \
mbed_official 610:813dcc80987e 252 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
mbed_official 610:813dcc80987e 253 break; \
mbed_official 610:813dcc80987e 254 case RCC_UART5CLKSOURCE_SYSCLK: \
mbed_official 610:813dcc80987e 255 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
mbed_official 610:813dcc80987e 256 break; \
mbed_official 610:813dcc80987e 257 case RCC_UART5CLKSOURCE_LSE: \
mbed_official 610:813dcc80987e 258 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
mbed_official 610:813dcc80987e 259 break; \
mbed_official 610:813dcc80987e 260 default: \
mbed_official 610:813dcc80987e 261 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
mbed_official 610:813dcc80987e 262 break; \
mbed_official 610:813dcc80987e 263 } \
mbed_official 610:813dcc80987e 264 } \
mbed_official 610:813dcc80987e 265 else if((__HANDLE__)->Instance == LPUART1) \
mbed_official 610:813dcc80987e 266 { \
mbed_official 610:813dcc80987e 267 switch(__HAL_RCC_GET_LPUART1_SOURCE()) \
mbed_official 610:813dcc80987e 268 { \
mbed_official 610:813dcc80987e 269 case RCC_LPUART1CLKSOURCE_PCLK1: \
mbed_official 610:813dcc80987e 270 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
mbed_official 610:813dcc80987e 271 break; \
mbed_official 610:813dcc80987e 272 case RCC_LPUART1CLKSOURCE_HSI: \
mbed_official 610:813dcc80987e 273 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
mbed_official 610:813dcc80987e 274 break; \
mbed_official 610:813dcc80987e 275 case RCC_LPUART1CLKSOURCE_SYSCLK: \
mbed_official 610:813dcc80987e 276 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
mbed_official 610:813dcc80987e 277 break; \
mbed_official 610:813dcc80987e 278 case RCC_LPUART1CLKSOURCE_LSE: \
mbed_official 610:813dcc80987e 279 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
mbed_official 610:813dcc80987e 280 break; \
mbed_official 610:813dcc80987e 281 default: \
mbed_official 610:813dcc80987e 282 (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
mbed_official 610:813dcc80987e 283 break; \
mbed_official 610:813dcc80987e 284 } \
mbed_official 610:813dcc80987e 285 } \
mbed_official 610:813dcc80987e 286 } while(0)
mbed_official 610:813dcc80987e 287
mbed_official 610:813dcc80987e 288 /** @brief Report the UART mask to apply to retrieve the received data
mbed_official 610:813dcc80987e 289 * according to the word length and to the parity bits activation.
mbed_official 610:813dcc80987e 290 * @note If PCE = 1, the parity bit is not included in the data extracted
mbed_official 610:813dcc80987e 291 * by the reception API().
mbed_official 610:813dcc80987e 292 * This masking operation is not carried out in the case of
mbed_official 610:813dcc80987e 293 * DMA transfers.
mbed_official 610:813dcc80987e 294 * @param __HANDLE__: specifies the UART Handle.
mbed_official 610:813dcc80987e 295 * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
mbed_official 610:813dcc80987e 296 */
mbed_official 610:813dcc80987e 297 #define UART_MASK_COMPUTATION(__HANDLE__) \
mbed_official 610:813dcc80987e 298 do { \
mbed_official 610:813dcc80987e 299 if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \
mbed_official 610:813dcc80987e 300 { \
mbed_official 610:813dcc80987e 301 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
mbed_official 610:813dcc80987e 302 { \
mbed_official 610:813dcc80987e 303 (__HANDLE__)->Mask = 0x01FF ; \
mbed_official 610:813dcc80987e 304 } \
mbed_official 610:813dcc80987e 305 else \
mbed_official 610:813dcc80987e 306 { \
mbed_official 610:813dcc80987e 307 (__HANDLE__)->Mask = 0x00FF ; \
mbed_official 610:813dcc80987e 308 } \
mbed_official 610:813dcc80987e 309 } \
mbed_official 610:813dcc80987e 310 else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \
mbed_official 610:813dcc80987e 311 { \
mbed_official 610:813dcc80987e 312 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
mbed_official 610:813dcc80987e 313 { \
mbed_official 610:813dcc80987e 314 (__HANDLE__)->Mask = 0x00FF ; \
mbed_official 610:813dcc80987e 315 } \
mbed_official 610:813dcc80987e 316 else \
mbed_official 610:813dcc80987e 317 { \
mbed_official 610:813dcc80987e 318 (__HANDLE__)->Mask = 0x007F ; \
mbed_official 610:813dcc80987e 319 } \
mbed_official 610:813dcc80987e 320 } \
mbed_official 610:813dcc80987e 321 else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \
mbed_official 610:813dcc80987e 322 { \
mbed_official 610:813dcc80987e 323 if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
mbed_official 610:813dcc80987e 324 { \
mbed_official 610:813dcc80987e 325 (__HANDLE__)->Mask = 0x007F ; \
mbed_official 610:813dcc80987e 326 } \
mbed_official 610:813dcc80987e 327 else \
mbed_official 610:813dcc80987e 328 { \
mbed_official 610:813dcc80987e 329 (__HANDLE__)->Mask = 0x003F ; \
mbed_official 610:813dcc80987e 330 } \
mbed_official 610:813dcc80987e 331 } \
mbed_official 610:813dcc80987e 332 } while(0)
mbed_official 610:813dcc80987e 333
mbed_official 610:813dcc80987e 334
mbed_official 610:813dcc80987e 335 /**
mbed_official 610:813dcc80987e 336 * @brief Ensure that UART frame length is valid.
mbed_official 610:813dcc80987e 337 * @param __LENGTH__: UART frame length.
mbed_official 610:813dcc80987e 338 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
mbed_official 610:813dcc80987e 339 */
mbed_official 610:813dcc80987e 340 #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
mbed_official 610:813dcc80987e 341 ((__LENGTH__) == UART_WORDLENGTH_8B) || \
mbed_official 610:813dcc80987e 342 ((__LENGTH__) == UART_WORDLENGTH_9B))
mbed_official 610:813dcc80987e 343
mbed_official 610:813dcc80987e 344 /**
mbed_official 610:813dcc80987e 345 * @brief Ensure that UART wake-up address length is valid.
mbed_official 610:813dcc80987e 346 * @param __ADDRESS__: UART wake-up address length.
mbed_official 610:813dcc80987e 347 * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
mbed_official 610:813dcc80987e 348 */
mbed_official 610:813dcc80987e 349 #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
mbed_official 610:813dcc80987e 350 ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))
mbed_official 610:813dcc80987e 351
mbed_official 610:813dcc80987e 352 /**
mbed_official 610:813dcc80987e 353 * @}
mbed_official 610:813dcc80987e 354 */
mbed_official 610:813dcc80987e 355
mbed_official 610:813dcc80987e 356 /* Private functions ---------------------------------------------------------*/
mbed_official 610:813dcc80987e 357
mbed_official 610:813dcc80987e 358 /**
mbed_official 610:813dcc80987e 359 * @}
mbed_official 610:813dcc80987e 360 */
mbed_official 610:813dcc80987e 361
mbed_official 610:813dcc80987e 362 /**
mbed_official 610:813dcc80987e 363 * @}
mbed_official 610:813dcc80987e 364 */
mbed_official 610:813dcc80987e 365
mbed_official 610:813dcc80987e 366 #ifdef __cplusplus
mbed_official 610:813dcc80987e 367 }
mbed_official 610:813dcc80987e 368 #endif
mbed_official 610:813dcc80987e 369
mbed_official 610:813dcc80987e 370 #endif /* __STM32L4xx_HAL_UART_EX_H */
mbed_official 610:813dcc80987e 371
mbed_official 610:813dcc80987e 372 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/