/** ****************************************************************************** * @file stm32f7xx_hal_irda_ex.h * @author MCD Application Team * @brief Header file of IRDA HAL Extension module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2017 STMicroelectronics

* * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* 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 * @{ */ /** @addtogroup IRDAEx * @{ */ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup IRDAEx_Extended_Exported_Constants IRDAEx Extended Exported Constants * @{ */ /** @defgroup IRDAEx_Word_Length IRDAEx Word Length * @{ */ #define IRDA_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1) #define IRDA_WORDLENGTH_8B ((uint32_t)0x00000000U) #define IRDA_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /** @defgroup IRDAEx_Private_Macros IRDAEx Private Macros * @{ */ /** @brief Reports 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: \ 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: \ 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: \ 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: \ break; \ } \ } \ } while(0) /** @brief Reports 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 mask to apply to USART RDR register value. */ #define IRDA_MASK_COMPUTATION(__HANDLE__) \ do { \ if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B) \ { \ if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x01FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B) \ { \ if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x003F ; \ } \ } \ } while(0) #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 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/