/** ****************************************************************************** * @file stm32l4xx_hal_uart_ex.h * @author MCD Application Team * @brief Header file of UART HAL Extended module. ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* 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 activate 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 UARTEx Word Length * @{ */ #define UART_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long UART frame */ #define UART_WORDLENGTH_8B 0x00000000U /*!< 8-bit long UART frame */ #define UART_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long UART frame */ /** * @} */ /** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length * @{ */ #define UART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit long wake-up address */ #define UART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit long wake-up address */ /** * @} */ #if defined(USART_CR1_FIFOEN) /** @defgroup UARTEx_FIFO_mode UARTEx FIFO mode * @brief UART FIFO mode * @{ */ #define UART_FIFOMODE_DISABLE 0x00000000U /*!< FIFO mode disable */ #define UART_FIFOMODE_ENABLE USART_CR1_FIFOEN /*!< FIFO mode enable */ /** * @} */ /** @defgroup UARTEx_TXFIFO_threshold_level UARTEx TXFIFO threshold level * @brief UART TXFIFO threshold level * @{ */ #define UART_TXFIFO_THRESHOLD_1_8 0x00000000U /*!< TX FIFO reaches 1/8 of its depth */ #define UART_TXFIFO_THRESHOLD_1_4 USART_CR3_TXFTCFG_0 /*!< TX FIFO reaches 1/4 of its depth */ #define UART_TXFIFO_THRESHOLD_1_2 USART_CR3_TXFTCFG_1 /*!< TX FIFO reaches 1/2 of its depth */ #define UART_TXFIFO_THRESHOLD_3_4 (USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1) /*!< TX FIFO reaches 3/4 of its depth */ #define UART_TXFIFO_THRESHOLD_7_8 USART_CR3_TXFTCFG_2 /*!< TX FIFO reaches 7/8 of its depth */ #define UART_TXFIFO_THRESHOLD_8_8 (USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0) /*!< TX FIFO becomes empty */ /** * @} */ /** @defgroup UARTEx_RXFIFO_threshold_level UARTEx RXFIFO threshold level * @brief UART RXFIFO threshold level * @{ */ #define UART_RXFIFO_THRESHOLD_1_8 0x00000000U /*!< RX FIFO reaches 1/8 of its depth */ #define UART_RXFIFO_THRESHOLD_1_4 USART_CR3_RXFTCFG_0 /*!< RX FIFO reaches 1/4 of its depth */ #define UART_RXFIFO_THRESHOLD_1_2 USART_CR3_RXFTCFG_1 /*!< RX FIFO reaches 1/2 of its depth */ #define UART_RXFIFO_THRESHOLD_3_4 (USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1) /*!< RX FIFO reaches 3/4 of its depth */ #define UART_RXFIFO_THRESHOLD_7_8 USART_CR3_RXFTCFG_2 /*!< RX FIFO reaches 7/8 of its depth */ #define UART_RXFIFO_THRESHOLD_8_8 (USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0) /*!< RX FIFO becomes full */ /** * @} */ #endif /* USART_CR1_FIFOEN */ /** * @} */ /* 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); /** * @} */ /** @addtogroup UARTEx_Exported_Functions_Group2 * @{ */ void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart); #if defined(USART_CR1_FIFOEN) void HAL_UARTEx_RxFifoFullCallback(UART_HandleTypeDef *huart); void HAL_UARTEx_TxFifoEmptyCallback(UART_HandleTypeDef *huart); #endif /* USART_CR1_FIFOEN */ /** * @} */ /** @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); #if defined(USART_CR3_UCESM) HAL_StatusTypeDef HAL_UARTEx_EnableClockStopMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_UARTEx_DisableClockStopMode(UART_HandleTypeDef *huart); #endif /* USART_CR3_UCESM */ HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength); #if defined(USART_CR1_FIFOEN) HAL_StatusTypeDef HAL_UARTEx_EnableFifoMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_UARTEx_DisableFifoMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_UARTEx_SetTxFifoThreshold(UART_HandleTypeDef *huart, uint32_t Threshold); HAL_StatusTypeDef HAL_UARTEx_SetRxFifoThreshold(UART_HandleTypeDef *huart, uint32_t Threshold); #endif /* USART_CR1_FIFOEN */ HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen, uint32_t Timeout); HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); /** * @} */ /** * @} */ /* 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) \ || defined (STM32L496xx) || defined (STM32L4A6xx) \ || defined (STM32L4P5xx) || defined (STM32L4Q5xx) \ || defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx) #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; \ } \ } \ else \ { \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0U) #elif defined (STM32L412xx) || defined (STM32L422xx) \ || 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; \ } \ } \ else \ { \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0U) #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; \ } \ } \ else \ { \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0U) #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; \ } \ } \ else \ { \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0U) #endif /* STM32L471xx || STM32L475xx || STM32L476xx || STM32L485xx || STM32L486xx || * STM32L496xx || STM32L4A6xx || * STM32L4P5xx || STM32L4Q5xx || * STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */ /** @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 = 0x01FFU ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FFU ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FFU ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007FU ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x007FU ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x003FU ; \ } \ } \ else \ { \ (__HANDLE__)->Mask = 0x0000U; \ } \ } while(0U) /** * @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)) #if defined(USART_CR1_FIFOEN) /** * @brief Ensure that UART TXFIFO threshold level is valid. * @param __THRESHOLD__ UART TXFIFO threshold level. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid) */ #define IS_UART_TXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_8) || \ ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_4) || \ ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_1_2) || \ ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_3_4) || \ ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_7_8) || \ ((__THRESHOLD__) == UART_TXFIFO_THRESHOLD_8_8)) /** * @brief Ensure that UART RXFIFO threshold level is valid. * @param __THRESHOLD__ UART RXFIFO threshold level. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid) */ #define IS_UART_RXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_8) || \ ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_4) || \ ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_1_2) || \ ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_3_4) || \ ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_7_8) || \ ((__THRESHOLD__) == UART_RXFIFO_THRESHOLD_8_8)) #endif /* USART_CR1_FIFOEN */ /** * @} */ /* Private functions ---------------------------------------------------------*/ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* STM32L4xx_HAL_UART_EX_H */