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- /**
- ******************************************************************************
- * @file stm32l0xx_hal_irda_ex.h
- * @author MCD Application Team
- * @brief Header file of IRDA HAL Extended module.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2016 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
-
- /* Define to prevent recursive inclusion -------------------------------------*/
- #ifndef STM32L0xx_HAL_IRDA_EX_H
- #define STM32L0xx_HAL_IRDA_EX_H
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- #if !defined (STM32L010x4) && !defined (STM32L010x6) && !defined (STM32L010x8)
- /* Includes ------------------------------------------------------------------*/
- #include "stm32l0xx_hal_def.h"
-
- /** @addtogroup STM32L0xx_HAL_Driver
- * @{
- */
-
- /** @defgroup 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 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__.
- */
- #if defined (STM32L031xx) || defined (STM32L041xx) || defined (STM32L011xx) || defined (STM32L021xx) || defined (STM32L010xB) || defined (STM32L010x8)
- #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
- do { \
- 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 == LPUART1) \
- { \
- switch(__HAL_RCC_GET_LPUART1_SOURCE()) \
- { \
- case RCC_LPUART1CLKSOURCE_PCLK1: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \
- break; \
- case RCC_LPUART1CLKSOURCE_HSI: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \
- break; \
- case RCC_LPUART1CLKSOURCE_SYSCLK: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \
- break; \
- case RCC_LPUART1CLKSOURCE_LSE: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \
- break; \
- default: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \
- break; \
- } \
- } \
- else \
- { \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \
- } \
- } while(0U)
-
- #else /* (STM32L031xx) || defined (STM32L041xx) || (STM32L011xx) || defined (STM32L021xx) || defined (STM32L010xB) || defined (STM32L010x8)*/
-
- #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 == LPUART1) \
- { \
- switch(__HAL_RCC_GET_LPUART1_SOURCE()) \
- { \
- case RCC_LPUART1CLKSOURCE_PCLK1: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \
- break; \
- case RCC_LPUART1CLKSOURCE_HSI: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \
- break; \
- case RCC_LPUART1CLKSOURCE_SYSCLK: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \
- break; \
- case RCC_LPUART1CLKSOURCE_LSE: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \
- break; \
- default: \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \
- break; \
- } \
- } \
- else \
- { \
- (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \
- } \
- } while(0U)
- #endif /* (STM32L031xx) || (STM32L041xx) || (STM32L011xx) || (STM32L021xx) || (STM32L010xB) || (STM32L010x8)*/
-
-
- /** @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 --------------------------------------------------------*/
-
- /**
- * @}
- */
-
- /**
- * @}
- */
- #endif /* !defined (STM32L010x4) && !defined (STM32L010x6) && !defined (STM32L010x8) */
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* STM32L0xx_HAL_IRDA_EX_H */
-
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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