stm32f7xx_hal_uart_ex.h

/**
  ******************************************************************************
  * @file    stm32f7xx_hal_uart_ex.h
  * @author  MCD Application Team
  * @brief   Header file of UART HAL Extended module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2017 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 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 ------------------------------------------------------------*/
/** @defgroup UARTEx_Exported_Types UARTEx Exported Types
  * @{
  */


/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup UARTEx_Exported_Constants UARTEx Exported Constants
  * @{
  */

/** @defgroup UARTEx_Word_Length UARTEx Word Length
  * @{
  */
#define UART_WORDLENGTH_7B                  USART_CR1_M1   /*!< 7-bit long UART frame */
#define UART_WORDLENGTH_8B                  0x00000000U    /*!< 8-bit long UART frame */
#define UART_WORDLENGTH_9B                  USART_CR1_M0   /*!< 9-bit long UART frame */
/**
  * @}
  */

/** @defgroup UARTEx_WakeUp_Address_Length UARTEx WakeUp Address Length
  * @{
  */
#define UART_ADDRESS_DETECT_4B              0x00000000U      /*!< 4-bit long wake-up address */
#define UART_ADDRESS_DETECT_7B              USART_CR2_ADDM7  /*!< 7-bit long wake-up address */
/**
  * @}
  */


/**
  * @}
  */

/* Exported macros -----------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup UARTEx_Exported_Functions
  * @{
  */

/** @addtogroup UARTEx_Exported_Functions_Group1
  * @{
  */

/* Initialization and de-initialization functions  ****************************/
HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime);

/**
  * @}
  */

/** @addtogroup UARTEx_Exported_Functions_Group2
  * @{
  */


/**
  * @}
  */

/** @addtogroup UARTEx_Exported_Functions_Group3
  * @{
  */

/* Peripheral Control functions  **********************************************/
HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength);

/**
  * @}
  */

/**
  * @}
  */

/* Private macros ------------------------------------------------------------*/
/** @defgroup UARTEx_Private_Macros UARTEx Private Macros
  * @{
  */

/** @brief  Report 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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          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:                                              \
          (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;     \
          break;                                              \
       }                                                      \
    }                                                         \
    else                                                      \
    {                                                         \
      (__CLOCKSOURCE__) = UART_CLOCKSOURCE_UNDEFINED;         \
    }                                                         \
  } while(0U)

/** @brief  Report the UART 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 UART Handle.
  * @retval None, the mask to apply to UART RDR register is stored in (__HANDLE__)->Mask field.
  */
#define UART_MASK_COMPUTATION(__HANDLE__)                             \
  do {                                                                \
  if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_9B)            \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x01FFU ;                                \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x00FFU ;                                \
     }                                                                \
  }                                                                   \
  else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_8B)       \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x00FFU ;                                \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x007FU ;                                \
     }                                                                \
  }                                                                   \
  else if ((__HANDLE__)->Init.WordLength == UART_WORDLENGTH_7B)       \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == UART_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x007FU ;                                \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x003FU ;                                \
     }                                                                \
  }                                                                   \
  else                                                                \
  {                                                                   \
    (__HANDLE__)->Mask = 0x0000U;                                     \
  }                                                                   \
} while(0U)

/**
  * @brief Ensure that UART frame length is valid.
  * @param __LENGTH__ UART frame length.
  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  */
#define IS_UART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == UART_WORDLENGTH_7B) || \
                                         ((__LENGTH__) == UART_WORDLENGTH_8B) || \
                                         ((__LENGTH__) == UART_WORDLENGTH_9B))

/**
  * @brief Ensure that UART wake-up address length is valid.
  * @param __ADDRESS__ UART wake-up address length.
  * @retval SET (__ADDRESS__ is valid) or RESET (__ADDRESS__ is invalid)
  */
#define IS_UART_ADDRESSLENGTH_DETECT(__ADDRESS__) (((__ADDRESS__) == UART_ADDRESS_DETECT_4B) || \
                                                   ((__ADDRESS__) == UART_ADDRESS_DETECT_7B))


/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* STM32F7xx_HAL_UART_EX_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/