/** ****************************************************************************** * @file stm32f7xx_hal_irda_ex.h * @author MCD Application Team * @brief Header file of IRDA 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_IRDA_EX_H #define STM32F7xx_HAL_IRDA_EX_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f7xx_hal_def.h" /** @addtogroup STM32F7xx_HAL_Driver * @{ */ /** @defgroup IRDAEx IRDAEx * @brief IRDA Extended HAL module driver * @{ */ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup IRDAEx_Extended_Exported_Constants IRDAEx Extended Exported Constants * @{ */ /** @defgroup IRDAEx_Word_Length IRDAEx Word Length * @{ */ #define IRDA_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long frame */ #define IRDA_WORDLENGTH_8B 0x00000000U /*!< 8-bit long frame */ #define IRDA_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long frame */ /** * @} */ /** * @} */ /* Exported macros -----------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /** @defgroup IRDAEx_Private_Macros IRDAEx Private Macros * @{ */ /** @brief Report the IRDA clock source. * @param __HANDLE__ specifies the IRDA Handle. * @param __CLOCKSOURCE__ output variable. * @retval IRDA clocking source, written in __CLOCKSOURCE__. */ #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == UART4) \ { \ switch(__HAL_RCC_GET_UART4_SOURCE()) \ { \ case RCC_UART4CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART4CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_UART4CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART4CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART5) \ { \ switch(__HAL_RCC_GET_UART5_SOURCE()) \ { \ case RCC_UART5CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART5CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_UART5CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART5CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART6) \ { \ switch(__HAL_RCC_GET_USART6_SOURCE()) \ { \ case RCC_USART6CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART6CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_USART6CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART6CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART7) \ { \ switch(__HAL_RCC_GET_UART7_SOURCE()) \ { \ case RCC_UART7CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART7CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_UART7CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART7CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART8) \ { \ switch(__HAL_RCC_GET_UART8_SOURCE()) \ { \ case RCC_UART8CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART8CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ break; \ case RCC_UART8CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART8CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else \ { \ (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ } \ } while(0U) /** @brief Compute the mask to apply to retrieve the received data * according to the word length and to the parity bits activation. * @param __HANDLE__ specifies the IRDA Handle. * @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field. */ #define IRDA_MASK_COMPUTATION(__HANDLE__) \ do { \ if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B) \ { \ if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x01FFU ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FFU ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FFU ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007FU ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B) \ { \ if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x007FU ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x003FU ; \ } \ } \ else \ { \ (__HANDLE__)->Mask = 0x0000U; \ } \ } while(0U) /** @brief Ensure that IRDA frame length is valid. * @param __LENGTH__ IRDA frame length. * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) */ #define IS_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \ ((__LENGTH__) == IRDA_WORDLENGTH_8B) || \ ((__LENGTH__) == IRDA_WORDLENGTH_9B)) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* STM32F7xx_HAL_IRDA_EX_H */