373 lines
18 KiB
C
373 lines
18 KiB
C
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/**
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******************************************************************************
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* @file stm32l4xx_hal_uart_ex.h
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* @author MCD Application Team
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* @version V1.3.0
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* @date 29-January-2016
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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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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 __STM32L4xx_HAL_UART_EX_H
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#define __STM32L4xx_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 "stm32l4xx_hal_def.h"
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/** @addtogroup STM32L4xx_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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/**
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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 activat 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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/**
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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 UART Word Length
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* @{
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*/
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#define UART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long UART frame */
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#define UART_WORDLENGTH_8B ((uint32_t)0x00000000) /*!< 8-bit long UART frame */
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#define UART_WORDLENGTH_9B ((uint32_t)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 UART Extended WakeUp Address Length
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* @{
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*/
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#define UART_ADDRESS_DETECT_4B ((uint32_t)0x00000000) /*!< 4-bit long wake-up address */
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#define UART_ADDRESS_DETECT_7B ((uint32_t)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, uint32_t DeassertionTime);
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/**
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* @}
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*/
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/* IO operation functions *****************************************************/
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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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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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HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);
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void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart);
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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 == LPUART1) \
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{ \
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switch(__HAL_RCC_GET_LPUART1_SOURCE()) \
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{ \
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case RCC_LPUART1CLKSOURCE_PCLK1: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \
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break; \
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case RCC_LPUART1CLKSOURCE_HSI: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \
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break; \
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case RCC_LPUART1CLKSOURCE_SYSCLK: \
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(__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \
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break; \
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case RCC_LPUART1CLKSOURCE_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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} while(0)
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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 = 0x01FF ; \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x00FF ; \
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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 = 0x00FF ; \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x007F ; \
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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 = 0x007F ; \
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} \
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else \
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{ \
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(__HANDLE__)->Mask = 0x003F ; \
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} \
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} \
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} while(0)
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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 /* __STM32L4xx_HAL_UART_EX_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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