/**
******************************************************************************
* @file stm32f3xx_hal_usart_ex.h
* @author MCD Application Team
* @brief Header file of USART HAL Extended module.
******************************************************************************
* @attention
*
* Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F3xx_HAL_USART_EX_H
#define STM32F3xx_HAL_USART_EX_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f3xx_hal_def.h"
/** @addtogroup STM32F3xx_HAL_Driver
* @{
*/
/** @addtogroup USARTEx
* @{
*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
* @{
*/
/** @defgroup USARTEx_Word_Length USARTEx Word Length
* @{
*/
#if defined(USART_CR1_M0)&& defined(USART_CR1_M1)
#define USART_WORDLENGTH_7B (USART_CR1_M1) /*!< 7-bit long USART frame */
#define USART_WORDLENGTH_8B (0x00000000U) /*!< 8-bit long USART frame */
#define USART_WORDLENGTH_9B (USART_CR1_M0) /*!< 9-bit long USART frame */
#elif defined(USART_CR1_M)
#define USART_WORDLENGTH_8B (0x00000000U) /*!< 8-bit long USART frame */
#define USART_WORDLENGTH_9B (USART_CR1_M) /*!< 9-bit long USART frame */
#endif /* USART_CR1_M0 && USART_CR1_M */
/**
* @}
*/
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup USARTEx_Private_Macros USARTEx Private Macros
* @{
*/
/** @brief Report the USART clock source.
* @param __HANDLE__ specifies the USART Handle.
* @param __CLOCKSOURCE__ output variable.
* @retval the USART clocking source, written in __CLOCKSOURCE__.
*/
/** @brief Report the USART clock source.
* @param __HANDLE__ specifies the USART Handle.
* @param __CLOCKSOURCE__ output variable.
* @retval USART clocking source, written in __CLOCKSOURCE__.
*/
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || defined(STM32F302xC) \
|| defined(STM32F303xC) || defined(STM32F358xx)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK2: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
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 \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0U)
#elif defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || defined(STM32F301x8) \
|| defined(STM32F302x8) || defined(STM32F318xx)
#define 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 if((__HANDLE__)->Instance == USART3) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0U)
#else
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK2: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
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 \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0U)
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || STM32F302xC || STM32F303xC || STM32F358xx */
/** @brief Compute the USART mask to apply to retrieve the received data
* according to the word length and to the parity bits activation.
* @note 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, the mask to apply to USART RDR register is stored in (__HANDLE__)->Mask field.
*/
#if defined(USART_CR1_M0)&& defined(USART_CR1_M1)
#define USART_MASK_COMPUTATION(__HANDLE__) \
do { \
if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x01FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x007FU; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x007FU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x003FU; \
} \
} \
else \
{ \
(__HANDLE__)->Mask = 0x0000U; \
} \
} while(0U)
#elif defined(USART_CR1_M)
#define USART_MASK_COMPUTATION(__HANDLE__) \
do { \
if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x01FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x007FU; \
} \
} \
else \
{ \
(__HANDLE__)->Mask = 0x0000U; \
} \
} while(0U)
#endif /* USART_CR1_M0 && USART_CR1_M */
/**
* @brief Ensure that USART frame length is valid.
* @param __LENGTH__ USART frame length.
* @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
*/
#if defined(USART_CR1_M0)&& defined(USART_CR1_M1)
#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
((__LENGTH__) == USART_WORDLENGTH_8B) || \
((__LENGTH__) == USART_WORDLENGTH_9B))
#elif defined(USART_CR1_M)
#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_8B) || \
((__LENGTH__) == USART_WORDLENGTH_9B))
#endif /* USART_CR1_M0 && USART_CR1_M */
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup USARTEx_Exported_Functions
* @{
*/
/** @addtogroup USARTEx_Exported_Functions_Group1
* @{
*/
/* IO operation functions *****************************************************/
/**
* @}
*/
/** @addtogroup USARTEx_Exported_Functions_Group2
* @{
*/
/* Peripheral Control functions ***********************************************/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* STM32F3xx_HAL_USART_EX_H */