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162 lines
6.7 KiB
C
162 lines
6.7 KiB
C
4 weeks ago
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/**
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******************************************************************************
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* @file stm32u0xx_hal_irda_ex.h
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* @author MCD Application Team
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* @brief Header file of IRDA HAL Extended module.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 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 STM32U0xx_HAL_IRDA_EX_H
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#define STM32U0xx_HAL_IRDA_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 "stm32u0xx_hal_def.h"
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/** @addtogroup STM32U0xx_HAL_Driver
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* @{
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*/
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/** @defgroup IRDAEx IRDAEx
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* @brief IRDA Extended HAL module driver
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup IRDAEx_Extended_Exported_Constants IRDAEx Extended Exported Constants
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* @{
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*/
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/** @defgroup IRDAEx_Word_Length IRDAEx Word Length
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* @{
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*/
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#define IRDA_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long frame */
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#define IRDA_WORDLENGTH_8B 0x00000000U /*!< 8-bit long frame */
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#define IRDA_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long frame */
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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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/* Private macros ------------------------------------------------------------*/
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/** @defgroup IRDAEx_Private_Macros IRDAEx Private Macros
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* @{
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*/
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/** @brief Report the IRDA clock source.
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* @param __HANDLE__ specifies the IRDA Handle.
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* @param __CLOCKSOURCE__ output variable.
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* @retval IRDA clocking source, written in __CLOCKSOURCE__.
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*/
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#define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
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do { \
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if((__HANDLE__)->Instance == USART1) \
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{ \
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(__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART1; \
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} \
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else if((__HANDLE__)->Instance == USART2) \
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{ \
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(__CLOCKSOURCE__) = (uint32_t)RCC_PERIPHCLK_USART2; \
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} \
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else \
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{ \
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(__CLOCKSOURCE__) = 0U; \
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} \
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} while(0U)
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/** @brief Compute the 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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* @param __HANDLE__ specifies the IRDA Handle.
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* @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field.
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*/
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#define IRDA_MASK_COMPUTATION(__HANDLE__) \
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do { \
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if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B) \
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{ \
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if ((__HANDLE__)->Init.Parity == IRDA_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 == IRDA_WORDLENGTH_8B) \
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{ \
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if ((__HANDLE__)->Init.Parity == IRDA_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 == IRDA_WORDLENGTH_7B) \
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{ \
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if ((__HANDLE__)->Init.Parity == IRDA_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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/** @brief Ensure that IRDA frame length is valid.
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* @param __LENGTH__ IRDA 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_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \
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((__LENGTH__) == IRDA_WORDLENGTH_8B) || \
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((__LENGTH__) == IRDA_WORDLENGTH_9B))
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/**
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* @}
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*/
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/* Exported 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 /* STM32U0xx_HAL_IRDA_EX_H */
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