/** ****************************************************************************** * @file stm32f7xx_hal_uart_ex.h * @author MCD Application Team * @version V1.0.1 * @date 25-June-2015 * @brief Header file of UART HAL Extension module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2015 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_UART_EX_H #define __STM32F7xx_HAL_UART_EX_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f7xx_hal_def.h" /** @addtogroup STM32F7xx_HAL_Driver * @{ */ /** @addtogroup UARTEx * @{ */ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants * @{ */ /** @defgroup UARTEx_Word_Length UARTEx Word Length * @{ */ #define UART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1) #define UART_WORDLENGTH_8B ((uint32_t)0x0000) #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0) #define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \ ((__LENGTH__) == UART_WORDLENGTH_8B) || \ ((__LENGTH__) == UART_WORDLENGTH_9B)) #define IS_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B)) /** * @} */ /** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length * @{ */ #define UART_ADDRESS_DETECT_4B ((uint32_t)0x00000000) #define UART_ADDRESS_DETECT_7B ((uint32_t)USART_CR2_ADDM7) #define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \ ((__ADDRESS__) == UART_ADDRESS_DETECT_7B)) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup UARTEx_Exported_Macros UARTEx Exported Macros * @{ */ /** @brief Reports the UART clock source. * @param __HANDLE__: specifies the UART Handle * @param __CLOCKSOURCE__: output variable * @retval UART clocking source, written in __CLOCKSOURCE__. */ #define UART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if((__HANDLE__)->Instance == UART4) \ { \ switch(__HAL_RCC_GET_UART4_SOURCE()) \ { \ case RCC_UART4CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART4CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART4CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART4CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART5) \ { \ switch(__HAL_RCC_GET_UART5_SOURCE()) \ { \ case RCC_UART5CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART5CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART5CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART5CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART6) \ { \ switch(__HAL_RCC_GET_USART6_SOURCE()) \ { \ case RCC_USART6CLKSOURCE_PCLK2: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK2; \ break; \ case RCC_USART6CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART6CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART6CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART7) \ { \ switch(__HAL_RCC_GET_UART7_SOURCE()) \ { \ case RCC_UART7CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART7CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART7CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART7CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ else if ((__HANDLE__)->Instance == UART8) \ { \ switch(__HAL_RCC_GET_UART8_SOURCE()) \ { \ case RCC_UART8CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_UART8CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_HSI; \ break; \ case RCC_UART8CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_UART8CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = UART_CLOCKSOURCE_LSE; \ break; \ default: \ break; \ } \ } \ } while(0) /** @brief Reports the UART mask to apply to retrieve the received data * according to the word length and to the parity bits activation. * If PCE = 1, the parity bit is not included in the data extracted * by the reception API(). * This masking operation is not carried out in the case of * DMA transfers. * @param __HANDLE__: specifies the UART Handle * @retval mask to apply to UART RDR register value. */ #define UART_MASK_COMPUTATION(__HANDLE__) \ do { \ if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x01FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B) \ { \ if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x003F ; \ } \ } \ } while(0) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F7xx_HAL_UART_EX_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/