Mercurial > pub > halpp
view l476rg/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h @ 6:ca42336826bd default tip
working on clock sources
| author | cin |
|---|---|
| date | Mon, 23 Jan 2017 02:40:17 +0300 |
| parents | 32a3b1785697 |
| children |
line wrap: on
line source
/** ****************************************************************************** * @file stm32l4xx_hal_uart_ex.h * @author MCD Application Team * @version V1.6.0 * @date 28-October-2016 * @brief Header file of UART HAL Extended module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32L4xx_HAL_UART_EX_H #define __STM32L4xx_HAL_UART_EX_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32l4xx_hal_def.h" /** @addtogroup STM32L4xx_HAL_Driver * @{ */ /** @addtogroup UARTEx * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup UARTEx_Exported_Types UARTEx Exported Types * @{ */ /** * @brief UART wake up from stop mode parameters */ typedef struct { uint32_t WakeUpEvent; /*!< Specifies which event will activat the Wakeup from Stop mode flag (WUF). This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection. If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must be filled up. */ uint16_t AddressLength; /*!< Specifies whether the address is 4 or 7-bit long. This parameter can be a value of @ref UARTEx_WakeUp_Address_Length. */ uint8_t Address; /*!< UART/USART node address (7-bit long max). */ } UART_WakeUpTypeDef; /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants * @{ */ /** @defgroup UARTEx_Word_Length UART Word Length * @{ */ #define UART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long UART frame */ #define UART_WORDLENGTH_8B ((uint32_t)0x00000000) /*!< 8-bit long UART frame */ #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long UART frame */ /** * @} */ /** @defgroup UARTEx_WakeUp_Address_Length UART Extended WakeUp Address Length * @{ */ #define UART_ADDRESS_DETECT_4B ((uint32_t)0x00000000) /*!< 4-bit long wake-up address */ #define UART_ADDRESS_DETECT_7B ((uint32_t)USART_CR2_ADDM7) /*!< 7-bit long wake-up address */ /** * @} */ /** * @} */ /* Exported macros -----------------------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @addtogroup UARTEx_Exported_Functions * @{ */ /** @addtogroup UARTEx_Exported_Functions_Group1 * @{ */ /* Initialization and de-initialization functions ****************************/ HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime); /** * @} */ /* IO operation functions *****************************************************/ /** @addtogroup UARTEx_Exported_Functions_Group3 * @{ */ /* Peripheral Control functions **********************************************/ HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection); HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength); void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart); /** * @} */ /** * @} */ /* Private macros ------------------------------------------------------------*/ /** @defgroup UARTEx_Private_Macros UARTEx Private Macros * @{ */ /** @brief Report the UART clock source. * @param __HANDLE__: specifies the UART Handle. * @param __CLOCKSOURCE__: output variable. * @retval UART clocking source, written in __CLOCKSOURCE__. */ #if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == UART4) \ { \ switch(__HAL_RCC_GET_UART4_SOURCE()) \ { \ case RCC_UART4CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART4CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART4CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART4CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART5) \ { \ switch(__HAL_RCC_GET_UART5_SOURCE()) \ { \ case RCC_UART5CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART5CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART5CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART5CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == LPUART1) \ { \ switch(__HAL_RCC_GET_LPUART1_SOURCE()) \ { \ case RCC_LPUART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_LPUART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_LPUART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_LPUART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ } while(0) #elif defined (STM32L431xx) || defined (STM32L433xx) || defined (STM32L443xx) #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == LPUART1) \ { \ switch(__HAL_RCC_GET_LPUART1_SOURCE()) \ { \ case RCC_LPUART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_LPUART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_LPUART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_LPUART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ } while(0) #elif defined (STM32L432xx) || defined (STM32L442xx) #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == LPUART1) \ { \ switch(__HAL_RCC_GET_LPUART1_SOURCE()) \ { \ case RCC_LPUART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_LPUART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_LPUART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_LPUART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ } while(0) #elif defined (STM32L451xx) || defined (STM32L452xx) || defined (STM32L462xx) #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == UART4) \ { \ switch(__HAL_RCC_GET_UART4_SOURCE()) \ { \ case RCC_UART4CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART4CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART4CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART4CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == LPUART1) \ { \ switch(__HAL_RCC_GET_LPUART1_SOURCE()) \ { \ case RCC_LPUART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_LPUART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_LPUART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_LPUART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ } while(0) #endif /** @brief Report the UART mask to apply to retrieve the received data * according to the word length and to the parity bits activation. * @note If PCE = 1, the parity bit is not included in the data extracted * by the reception API(). * This masking operation is not carried out in the case of * DMA transfers. * @param __HANDLE__: specifies the UART Handle. * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field. */ #define UART_MASK_COMPUTATION(__HANDLE__) \ do { \ if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x01FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x003F ; \ } \ } \ } while(0) /** * @brief Ensure that UART frame length is valid. * @param __LENGTH__: UART frame length. * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) */ #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \ ((__LENGTH__) == UART_WORDLENGTH_8B) || \ ((__LENGTH__) == UART_WORDLENGTH_9B)) /** * @brief Ensure that UART wake-up address length is valid. * @param __ADDRESS__: UART wake-up address length. * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid) */ #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \ ((__ADDRESS__) == UART_ADDRESS_DETECT_7B)) /** * @} */ /* Private functions ---------------------------------------------------------*/ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32L4xx_HAL_UART_EX_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/