429 lines
20 KiB
C
429 lines
20 KiB
C
/**
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******************************************************************************
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* @file stm32f7xx_hal_uart_ex.h
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* @author MCD Application Team
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* @brief Header file of UART HAL Extended module.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32F7xx_HAL_UART_EX_H
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#define STM32F7xx_HAL_UART_EX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f7xx_hal_def.h"
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/** @addtogroup STM32F7xx_HAL_Driver
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* @{
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*/
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/** @addtogroup UARTEx
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup UARTEx_Exported_Types UARTEx Exported Types
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* @{
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*/
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#if defined(USART_CR1_UESM)
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/**
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* @brief UART wake up from stop mode parameters
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*/
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typedef struct
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{
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uint32_t WakeUpEvent; /*!< Specifies which event will activate the Wakeup from Stop mode flag (WUF).
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This parameter can be a value of @ref UART_WakeUp_from_Stop_Selection.
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If set to UART_WAKEUP_ON_ADDRESS, the two other fields below must
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be filled up. */
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uint16_t AddressLength; /*!< Specifies whether the address is 4 or 7-bit long.
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This parameter can be a value of @ref UARTEx_WakeUp_Address_Length. */
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uint8_t Address; /*!< UART/USART node address (7-bit long max). */
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} UART_WakeUpTypeDef;
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#endif /* USART_CR1_UESM */
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/**
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* @}
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
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* @{
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*/
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/** @defgroup UARTEx_Word_Length UARTEx Word Length
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* @{
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*/
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#define UART_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long UART frame */
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#define UART_WORDLENGTH_8B 0x00000000U /*!< 8-bit long UART frame */
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#define UART_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long UART frame */
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/**
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* @}
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*/
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/** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length
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* @{
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*/
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#define UART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit long wake-up address */
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#define UART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit long wake-up address */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macros -----------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup UARTEx_Exported_Functions
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* @{
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*/
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/** @addtogroup UARTEx_Exported_Functions_Group1
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* @{
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*/
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/* Initialization and de-initialization functions ****************************/
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HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime,
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uint32_t DeassertionTime);
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/**
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* @}
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*/
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/** @addtogroup UARTEx_Exported_Functions_Group2
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* @{
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*/
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#if defined(USART_CR1_UESM)
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void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);
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#endif /* USART_CR1_UESM */
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/**
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* @}
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*/
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/** @addtogroup UARTEx_Exported_Functions_Group3
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* @{
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*/
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/* Peripheral Control functions **********************************************/
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#if defined(USART_CR1_UESM)
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HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection);
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HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart);
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HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart);
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#endif/* USART_CR1_UESM */
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#if defined(USART_CR3_UCESM)
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HAL_StatusTypeDef HAL_UARTEx_EnableClockStopMode(UART_HandleTypeDef *huart);
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HAL_StatusTypeDef HAL_UARTEx_DisableClockStopMode(UART_HandleTypeDef *huart);
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#endif /* USART_CR3_UCESM */
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HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);
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HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen,
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uint32_t Timeout);
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HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
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HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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/** @defgroup UARTEx_Private_Macros UARTEx Private Macros
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* @{
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*/
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/** @brief Report the UART clock source.
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* @param __HANDLE__ specifies the UART Handle.
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* @param __CLOCKSOURCE__ output variable.
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* @retval UART clocking source, written in __CLOCKSOURCE__.
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*/
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#define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
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do { \
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if((__HANDLE__)->Instance == USART1) \
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{ \
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switch(__HAL_RCC_GET_USART1_SOURCE()) \
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{ \
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case RCC_USART1CLKSOURCE_PCLK2: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \
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break; \
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case RCC_USART1CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_USART1CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_USART1CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if((__HANDLE__)->Instance == USART2) \
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{ \
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switch(__HAL_RCC_GET_USART2_SOURCE()) \
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{ \
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case RCC_USART2CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_USART2CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_USART2CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_USART2CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if((__HANDLE__)->Instance == USART3) \
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{ \
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switch(__HAL_RCC_GET_USART3_SOURCE()) \
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{ \
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case RCC_USART3CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_USART3CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_USART3CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_USART3CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if((__HANDLE__)->Instance == UART4) \
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{ \
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switch(__HAL_RCC_GET_UART4_SOURCE()) \
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{ \
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case RCC_UART4CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_UART4CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_UART4CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_UART4CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if ((__HANDLE__)->Instance == UART5) \
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{ \
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switch(__HAL_RCC_GET_UART5_SOURCE()) \
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{ \
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case RCC_UART5CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_UART5CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_UART5CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_UART5CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if((__HANDLE__)->Instance == USART6) \
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{ \
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switch(__HAL_RCC_GET_USART6_SOURCE()) \
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{ \
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case RCC_USART6CLKSOURCE_PCLK2: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \
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break; \
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case RCC_USART6CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_USART6CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_USART6CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if ((__HANDLE__)->Instance == UART7) \
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{ \
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switch(__HAL_RCC_GET_UART7_SOURCE()) \
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{ \
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case RCC_UART7CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_UART7CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_UART7CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_UART7CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else if ((__HANDLE__)->Instance == UART8) \
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{ \
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switch(__HAL_RCC_GET_UART8_SOURCE()) \
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{ \
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case RCC_UART8CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_UART8CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_UART8CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_UART8CLKSOURCE_LSE: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \
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break; \
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default: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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break; \
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} \
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} \
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else \
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{ \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED; \
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} \
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} while(0U)
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/** @brief Report the UART mask to apply to retrieve the received data
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* according to the word length and to the parity bits activation.
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* @note If PCE = 1, the parity bit is not included in the data extracted
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* by the reception API().
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* This masking operation is not carried out in the case of
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* DMA transfers.
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* @param __HANDLE__ specifies the UART Handle.
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* @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
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*/
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#define UART_MASK_COMPUTATION(__HANDLE__) \
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do { \
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if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \
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{ \
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if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
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{ \
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(__HANDLE__)->Mask = 0x01FFU ; \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x00FFU ; \
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} \
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} \
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else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \
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{ \
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if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
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{ \
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(__HANDLE__)->Mask = 0x00FFU ; \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x007FU ; \
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} \
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} \
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else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \
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{ \
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if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \
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{ \
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(__HANDLE__)->Mask = 0x007FU ; \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x003FU ; \
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} \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x0000U; \
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} \
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} while(0U)
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/**
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* @brief Ensure that UART frame length is valid.
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* @param __LENGTH__ UART frame length.
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* @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
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*/
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#define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
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((__LENGTH__) == UART_WORDLENGTH_8B) || \
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((__LENGTH__) == UART_WORDLENGTH_9B))
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/**
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* @brief Ensure that UART wake-up address length is valid.
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* @param __ADDRESS__ UART wake-up address length.
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* @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
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*/
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#define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
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((__ADDRESS__) == UART_ADDRESS_DETECT_7B))
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/**
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* @}
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*/
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/* Private functions ---------------------------------------------------------*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* STM32F7xx_HAL_UART_EX_H */
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