| /** | |
| ****************************************************************************** | |
| * @file stm32f7xx_hal_uart_ex.h | |
| * @author MCD Application Team | |
| * @version V1.0.0 | |
| * @date 12-May-2015 | |
| * @brief Header file of UART HAL Extension module. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> | |
| * | |
| * 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****/ |