/** ****************************************************************************** * @file stm32f7xx_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 STM32F7xx_HAL_UART_EX_H #define STM32F7xx_HAL_UART_EX_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f7xx_hal_def.h" /** @addtogroup STM32F7xx_HAL_Driver * @{ */ /** @addtogroup UARTEx * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup UARTEx_Exported_Types UARTEx Exported Types * @{ */ #if defined(USART_CR1_UESM) /** * @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; #endif /* USART_CR1_UESM */ /** * @} */ /* 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 */ /** * @} */ /** * @} */ /* 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 * @{ */ #if defined(USART_CR1_UESM) void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart); #endif /* USART_CR1_UESM */ /** * @} */ /** @addtogroup UARTEx_Exported_Functions_Group3 * @{ */ /* Peripheral Control functions **********************************************/ #if defined(USART_CR1_UESM) 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); #endif /* USART_CR1_UESM */ #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); 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); HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(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__. */ #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 == USART6) \ { \ switch(__HAL_RCC_GET_USART6_SOURCE()) \ { \ case RCC_USART6CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART6CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART6CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART6CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART7) \ { \ switch(__HAL_RCC_GET_UART7_SOURCE()) \ { \ case RCC_UART7CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART7CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART7CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART7CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART8) \ { \ switch(__HAL_RCC_GET_UART8_SOURCE()) \ { \ case RCC_UART8CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART8CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART8CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART8CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else \ { \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0U) /** @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)) /** * @} */ /* Private functions ---------------------------------------------------------*/ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* STM32F7xx_HAL_UART_EX_H */