/** ****************************************************************************** * @file stm32f0xx_hal_usart_ex.h * @author MCD Application Team * @version V1.1.0 * @date 03-Oct-2014 * @brief Header file of USART HAL Extension module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2014 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 __STM32F0xx_HAL_USART_EX_H #define __STM32F0xx_HAL_USART_EX_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f0xx_hal_def.h" /** @addtogroup STM32F0xx_HAL_Driver * @{ */ /** @defgroup USARTEx USARTEx Extended HAL module driver * @{ */ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants * @{ */ /** @defgroup USARTEx_Word_Length USARTEx Word Length * @{ */ #if defined (STM32F042x6) || defined (STM32F048xx) || \ defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \ defined (STM32F091xC) || defined (STM32F098xx) #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) #define USART_WORDLENGTH_8B ((uint32_t)0x00000000) #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_7B) || \ ((LENGTH) == USART_WORDLENGTH_8B) || \ ((LENGTH) == USART_WORDLENGTH_9B)) #else #define USART_WORDLENGTH_8B ((uint32_t)0x00000000) #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \ ((LENGTH) == USART_WORDLENGTH_9B)) #endif /* defined (STM32F042x6) || defined (STM32F048xx) || \ defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \ defined (STM32F091xC) || defined (STM32F098xx) */ /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup USARTEx_Exported_Macros USARTEx Exported Macros * @{ */ /** @brief Reports the USART clock source. * @param __HANDLE__: specifies the USART Handle * @param __CLOCKSOURCE__ : output variable * @retval the USART clocking source, written in __CLOCKSOURCE__. */ #if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) #define __HAL_USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } while(0) #elif defined (STM32F030x8) || \ defined (STM32F042x6) || defined (STM32F048xx) || \ defined (STM32F051x8) || defined (STM32F058xx) #define __HAL_USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0) #elif defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) #define __HAL_USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else if((__HANDLE__)->Instance == USART4) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0) #elif defined(STM32F091xC) || defined (STM32F098xx) #define __HAL_USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_SYSCLK: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ default: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART4) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else if((__HANDLE__)->Instance == USART5) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else if((__HANDLE__)->Instance == USART6) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else if((__HANDLE__)->Instance == USART7) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else if((__HANDLE__)->Instance == USART8) \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ } \ else \ { \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ } \ } while(0) #endif /* defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) */ /** @brief Reports the USART 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 USART Handle * @retval none */ #if defined (STM32F042x6) || defined (STM32F048xx) || \ defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \ defined (STM32F091xC) || defined (STM32F098xx) #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \ do { \ if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \ { \ if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x01FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \ { \ if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x003F ; \ } \ } \ } while(0) #else #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \ do { \ if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \ { \ if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x01FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ } \ else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \ { \ if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ { \ (__HANDLE__)->Mask = 0x00FF ; \ } \ else \ { \ (__HANDLE__)->Mask = 0x007F ; \ } \ } \ } while(0) #endif /* defined (STM32F042x6) || defined (STM32F048xx) || \ defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || \ defined (STM32F091xC) || defined (STM32F098xx) */ /** * @} */ /* Exported functions --------------------------------------------------------*/ /* Initialization and de-initialization functions ****************************/ /* I/O operation functions ***************************************************/ /* Peripheral Control functions **********************************************/ /* Peripheral State functions ************************************************/ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F0xx_HAL_USART_EX_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/