view Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_irda.h @ 738:30717de00f3a

Added data init function for external interface: If external sensors have been removed while OSTC was sleeping then (in case of digital sensor) an old value was displayed. By initializing the data structures after wakeup this is now avoided.
author Ideenmodellierer
date Thu, 02 Feb 2023 17:19:24 +0100
parents c78bcbd5deda
children
line wrap: on
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/**
  ******************************************************************************
  * @file    stm32f4xx_hal_irda.h
  * @author  MCD Application Team
  * @brief   Header file of IRDA HAL module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2017 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 __STM32F4xx_HAL_IRDA_H
#define __STM32F4xx_HAL_IRDA_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"

/** @addtogroup STM32F4xx_HAL_Driver
  * @{
  */

/** @addtogroup IRDA
  * @{
  */ 

/* Exported types ------------------------------------------------------------*/ 
/** @defgroup IRDA_Exported_Types IRDA Exported Types
  * @{
  */
/** 
  * @brief IRDA Init Structure definition  
  */ 
typedef struct
{
  uint32_t BaudRate;                  /*!< This member configures the IRDA communication baud rate.
                                           The baud rate is computed using the following formula:
                                           - IntegerDivider = ((PCLKx) / (8 * (hirda->Init.BaudRate)))
                                           - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */

  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
                                           This parameter can be a value of @ref IRDA_Word_Length */

  uint32_t Parity;                   /*!< Specifies the parity mode.
                                           This parameter can be a value of @ref IRDA_Parity
                                           @note When parity is enabled, the computed parity is inserted
                                                 at the MSB position of the transmitted data (9th bit when
                                                 the word length is set to 9 data bits; 8th bit when the
                                                 word length is set to 8 data bits). */
 
  uint32_t Mode;                      /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref IRDA_Mode */

  uint8_t  Prescaler;                 /*!< Specifies the Prescaler */

  uint32_t IrDAMode;                  /*!< Specifies the IrDA mode
                                           This parameter can be a value of @ref IRDA_Low_Power */
}IRDA_InitTypeDef;

/** 
  * @brief HAL IRDA State structures definition 
  * @note  HAL IRDA State value is a combination of 2 different substates: gState and RxState.
  *        - gState contains IRDA state information related to global Handle management 
  *          and also information related to Tx operations.
  *          gState value coding follow below described bitmap :
  *          b7-b6  Error information 
  *             00 : No Error
  *             01 : (Not Used)
  *             10 : Timeout
  *             11 : Error
  *          b5     IP initilisation status
  *             0  : Reset (IP not initialized)
  *             1  : Init done (IP not initialized. HAL IRDA Init function already called)
  *          b4-b3  (not used)
  *             xx : Should be set to 00
  *          b2     Intrinsic process state
  *             0  : Ready
  *             1  : Busy (IP busy with some configuration or internal operations)
  *          b1     (not used)
  *             x  : Should be set to 0
  *          b0     Tx state
  *             0  : Ready (no Tx operation ongoing)
  *             1  : Busy (Tx operation ongoing)
  *        - RxState contains information related to Rx operations.
  *          RxState value coding follow below described bitmap :
  *          b7-b6  (not used)
  *             xx : Should be set to 00
  *          b5     IP initilisation status
  *             0  : Reset (IP not initialized)
  *             1  : Init done (IP not initialized)
  *          b4-b2  (not used)
  *            xxx : Should be set to 000
  *          b1     Rx state
  *             0  : Ready (no Rx operation ongoing)
  *             1  : Busy (Rx operation ongoing)
  *          b0     (not used)
  *             x  : Should be set to 0.
  */ 
typedef enum
{
  HAL_IRDA_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet Initialized 
                                                   Value is allowed for gState and RxState */
  HAL_IRDA_STATE_READY             = 0x20U,    /*!< Peripheral Initialized and ready for use 
                                                   Value is allowed for gState and RxState */
  HAL_IRDA_STATE_BUSY              = 0x24U,    /*!< An internal process is ongoing 
                                                   Value is allowed for gState only */
  HAL_IRDA_STATE_BUSY_TX           = 0x21U,    /*!< Data Transmission process is ongoing 
                                                   Value is allowed for gState only */
  HAL_IRDA_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing 
                                                   Value is allowed for RxState only */
  HAL_IRDA_STATE_BUSY_TX_RX        = 0x23U,    /*!< Data Transmission and Reception process is ongoing 
                                                   Not to be used for neither gState nor RxState.
                                                   Value is result of combination (Or) between gState and RxState values */
  HAL_IRDA_STATE_TIMEOUT           = 0xA0U,    /*!< Timeout state 
                                                   Value is allowed for gState only */
  HAL_IRDA_STATE_ERROR             = 0xE0U     /*!< Error 
                                                   Value is allowed for gState only */
}HAL_IRDA_StateTypeDef;

/** 
  * @brief IRDA handle Structure definition  
  */  
typedef struct
{
  USART_TypeDef               *Instance;        /* USART registers base address       */

  IRDA_InitTypeDef            Init;             /* IRDA communication parameters      */

  uint8_t                     *pTxBuffPtr;      /* Pointer to IRDA Tx transfer Buffer */

  uint16_t                    TxXferSize;       /* IRDA Tx Transfer size              */

  __IO uint16_t               TxXferCount;      /* IRDA Tx Transfer Counter           */

  uint8_t                     *pRxBuffPtr;      /* Pointer to IRDA Rx transfer Buffer */

  uint16_t                    RxXferSize;       /* IRDA Rx Transfer size              */

  __IO uint16_t               RxXferCount;      /* IRDA Rx Transfer Counter           */

  DMA_HandleTypeDef           *hdmatx;          /* IRDA Tx DMA Handle parameters      */

  DMA_HandleTypeDef           *hdmarx;          /* IRDA Rx DMA Handle parameters      */

  HAL_LockTypeDef             Lock;             /* Locking object                     */

  __IO HAL_IRDA_StateTypeDef  gState;           /* IRDA state information related to global Handle management 
                                                   and also related to Tx operations.
                                                   This parameter can be a value of @ref HAL_IRDA_StateTypeDef */

  __IO HAL_IRDA_StateTypeDef  RxState;          /* IRDA state information related to Rx operations.
                                                   This parameter can be a value of @ref HAL_IRDA_StateTypeDef */

  __IO uint32_t               ErrorCode;        /* IRDA Error code                    */

}IRDA_HandleTypeDef;
/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup IRDA_Exported_Constants IRDA Exported constants
  * @{
  */
/** @defgroup IRDA_Error_Code IRDA Error Code
  * @brief    IRDA Error Code 
  * @{
  */ 
#define HAL_IRDA_ERROR_NONE         0x00000000U   /*!< No error            */
#define HAL_IRDA_ERROR_PE           0x00000001U   /*!< Parity error        */
#define HAL_IRDA_ERROR_NE           0x00000002U   /*!< Noise error         */
#define HAL_IRDA_ERROR_FE           0x00000004U   /*!< Frame error         */
#define HAL_IRDA_ERROR_ORE          0x00000008U   /*!< Overrun error       */
#define HAL_IRDA_ERROR_DMA          0x00000010U   /*!< DMA transfer error  */
/**
  * @}
  */

/** @defgroup IRDA_Word_Length IRDA Word Length
  * @{
  */
#define IRDA_WORDLENGTH_8B                  0x00000000U
#define IRDA_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)
/**
  * @}
  */

/** @defgroup IRDA_Parity  IRDA Parity
  * @{
  */ 
#define IRDA_PARITY_NONE                    0x00000000U
#define IRDA_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
#define IRDA_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) 
/**
  * @}
  */ 

/** @defgroup IRDA_Mode IRDA Transfer Mode 
  * @{
  */ 
#define IRDA_MODE_RX                        ((uint32_t)USART_CR1_RE)
#define IRDA_MODE_TX                        ((uint32_t)USART_CR1_TE)
#define IRDA_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
/**
  * @}
  */

/** @defgroup IRDA_Low_Power IRDA Low Power
  * @{
  */
#define IRDA_POWERMODE_LOWPOWER                  ((uint32_t)USART_CR3_IRLP)
#define IRDA_POWERMODE_NORMAL                    0x00000000U
/**
  * @}
  */

/** @defgroup IRDA_Flags IRDA Flags
  *        Elements values convention: 0xXXXX
  *           - 0xXXXX  : Flag mask in the SR register
  * @{
  */
#define IRDA_FLAG_TXE                       0x00000080U
#define IRDA_FLAG_TC                        0x00000040U
#define IRDA_FLAG_RXNE                      0x00000020U
#define IRDA_FLAG_IDLE                      0x00000010U
#define IRDA_FLAG_ORE                       0x00000008U
#define IRDA_FLAG_NE                        0x00000004U
#define IRDA_FLAG_FE                        0x00000002U
#define IRDA_FLAG_PE                        0x00000001U
/**
  * @}
  */
  
/** @defgroup IRDA_Interrupt_definition IRDA Interrupt Definitions
  *        Elements values convention: 0xY000XXXX
  *           - XXXX  : Interrupt mask in the XX register
  *           - Y  : Interrupt source register (2bits)
  *                 - 01: CR1 register
  *                 - 10: CR2 register
  *                 - 11: CR3 register
  * @{
  */
#define IRDA_IT_PE                          ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
#define IRDA_IT_TXE                         ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
#define IRDA_IT_TC                          ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
#define IRDA_IT_RXNE                        ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
#define IRDA_IT_IDLE                        ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))

#define IRDA_IT_LBD                         ((uint32_t)(IRDA_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))

#define IRDA_IT_CTS                         ((uint32_t)(IRDA_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
#define IRDA_IT_ERR                         ((uint32_t)(IRDA_CR3_REG_INDEX << 28U | USART_CR3_EIE))
/**
  * @}
  */

/**
  * @}
  */
  
/* Exported macro ------------------------------------------------------------*/
/** @defgroup IRDA_Exported_Macros IRDA Exported Macros
  * @{
  */

/** @brief Reset IRDA handle gstate & RxState
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @retval None
  */
#define __HAL_IRDA_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
                                                       (__HANDLE__)->gState = HAL_IRDA_STATE_RESET;      \
                                                       (__HANDLE__)->RxState = HAL_IRDA_STATE_RESET;     \
                                                     } while(0U)

/** @brief  Flushs the IRDA DR register 
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  */
#define __HAL_IRDA_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)

/** @brief  Checks whether the specified IRDA flag is set or not.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @param  __FLAG__ specifies the flag to check.
  *        This parameter can be one of the following values:
  *            @arg IRDA_FLAG_TXE:  Transmit data register empty flag
  *            @arg IRDA_FLAG_TC:   Transmission Complete flag
  *            @arg IRDA_FLAG_RXNE: Receive data register not empty flag
  *            @arg IRDA_FLAG_IDLE: Idle Line detection flag
  *            @arg IRDA_FLAG_ORE:  OverRun Error flag
  *            @arg IRDA_FLAG_NE:   Noise Error flag
  *            @arg IRDA_FLAG_FE:   Framing Error flag
  *            @arg IRDA_FLAG_PE:   Parity Error flag
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_IRDA_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))

/** @brief  Clears the specified IRDA pending flag.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @param  __FLAG__ specifies the flag to check.
  *          This parameter can be any combination of the following values:
  *            @arg IRDA_FLAG_TC:   Transmission Complete flag.
  *            @arg IRDA_FLAG_RXNE: Receive data register not empty flag.
  *   
  * @note   PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun 
  *          error) and IDLE (Idle line detected) flags are cleared by software 
  *          sequence: a read operation to USART_SR register followed by a read
  *          operation to USART_DR register.
  * @note   RXNE flag can be also cleared by a read to the USART_DR register.
  * @note   TC flag can be also cleared by software sequence: a read operation to 
  *          USART_SR register followed by a write operation to USART_DR register.
  * @note   TXE flag is cleared only by a write to the USART_DR register.
  *   
  * @retval None
  */
#define __HAL_IRDA_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))

/** @brief  Clear the IRDA PE pending flag.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)     \
  do{                                           \
    __IO uint32_t tmpreg = 0x00U;               \
    tmpreg = (__HANDLE__)->Instance->SR;        \
    UNUSED(tmpreg);                             \
  } while(0U)
                                              
/** @brief  Clear the IRDA FE pending flag.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_FEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the IRDA NE pending flag.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_NEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the IRDA ORE pending flag.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_OREFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the IRDA IDLE pending flag.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_IDLEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Enables or disables the specified IRDA interrupt.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @param  __INTERRUPT__ specifies the IRDA interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg IRDA_IT_TXE:  Transmit Data Register empty interrupt
  *            @arg IRDA_IT_TC:   Transmission complete interrupt
  *            @arg IRDA_IT_RXNE: Receive Data register not empty interrupt
  *            @arg IRDA_IT_IDLE: Idle line detection interrupt
  *            @arg IRDA_IT_PE:   Parity Error interrupt
  *            @arg IRDA_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_IRDA_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 |=  ((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                        ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & IRDA_IT_MASK)))
#define __HAL_IRDA_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & IRDA_IT_MASK)))
    
/** @brief  Checks whether the specified IRDA interrupt has occurred or not.
  * @param  __HANDLE__ specifies the USART Handle.
  *         This parameter can be USARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or 
  *         UART peripheral.
  * @param  __IT__ specifies the IRDA interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg IRDA_IT_TXE: Transmit Data Register empty interrupt
  *            @arg IRDA_IT_TC:  Transmission complete interrupt
  *            @arg IRDA_IT_RXNE: Receive Data register not empty interrupt
  *            @arg IRDA_IT_IDLE: Idle line detection interrupt
  *            @arg USART_IT_ERR: Error interrupt
  *            @arg IRDA_IT_PE: Parity Error interrupt
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_IRDA_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \
                                                      (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & IRDA_IT_MASK))

/** @brief  Macro to enable the IRDA's one bit sample method
  * @param  __HANDLE__ specifies the IRDA Handle.  
  * @retval None
  */     
#define __HAL_IRDA_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)

/** @brief  Macro to disable the IRDA's one bit sample method
  * @param  __HANDLE__ specifies the IRDA Handle.  
  * @retval None
  */      
#define __HAL_IRDA_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))

/** @brief  Enable UART/USART associated to IRDA Handle
  * @param  __HANDLE__ specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @retval None
  */
#define __HAL_IRDA_ENABLE(__HANDLE__)   ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)

/** @brief  Disable UART/USART associated to IRDA Handle
  * @param  __HANDLE__ specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @retval None
  */
#define __HAL_IRDA_DISABLE(__HANDLE__)   ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)
    
/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @addtogroup IRDA_Exported_Functions
  * @{
  */
  
/** @addtogroup IRDA_Exported_Functions_Group1
  * @{
  */
/* Initialization/de-initialization functions  **********************************/
HAL_StatusTypeDef HAL_IRDA_Init(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_DeInit(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_MspInit(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_MspDeInit(IRDA_HandleTypeDef *hirda);
/**
  * @}
  */

/** @addtogroup IRDA_Exported_Functions_Group2
  * @{
  */
/* IO operation functions *******************************************************/
HAL_StatusTypeDef HAL_IRDA_Transmit(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_IRDA_Receive(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_IRDA_Receive_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_IRDA_Transmit_DMA(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_IRDA_Receive_DMA(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_IRDA_DMAPause(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_DMAResume(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_DMAStop(IRDA_HandleTypeDef *hirda);
/* Transfer Abort functions */
HAL_StatusTypeDef HAL_IRDA_Abort(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_AbortTransmit(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_AbortReceive(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_Abort_IT(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_AbortTransmit_IT(IRDA_HandleTypeDef *hirda);
HAL_StatusTypeDef HAL_IRDA_AbortReceive_IT(IRDA_HandleTypeDef *hirda);

void HAL_IRDA_IRQHandler(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_TxCpltCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_RxCpltCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_TxHalfCpltCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_RxHalfCpltCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_ErrorCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_AbortCpltCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_AbortTransmitCpltCallback(IRDA_HandleTypeDef *hirda);
void HAL_IRDA_AbortReceiveCpltCallback(IRDA_HandleTypeDef *hirda);
/**
  * @}
  */

/** @addtogroup IRDA_Exported_Functions_Group3
  * @{
  */
/* Peripheral State functions  **************************************************/
HAL_IRDA_StateTypeDef HAL_IRDA_GetState(IRDA_HandleTypeDef *hirda);
uint32_t HAL_IRDA_GetError(IRDA_HandleTypeDef *hirda);
/**
  * @}
  */ 

/**
  * @}
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup IRDA_Private_Constants IRDA Private Constants
  * @{
  */

/** @brief IRDA interruptions flag mask
  * 
  */ 
#define IRDA_IT_MASK  ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
                                  USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )

#define IRDA_CR1_REG_INDEX                  1U
#define IRDA_CR2_REG_INDEX                  2U
#define IRDA_CR3_REG_INDEX                  3U
/**
  * @}
  */

/* Private macros --------------------------------------------------------*/
/** @defgroup IRDA_Private_Macros   IRDA Private Macros
  * @{
  */
#define IS_IRDA_WORD_LENGTH(LENGTH) (((LENGTH) == IRDA_WORDLENGTH_8B) || \
                                     ((LENGTH) == IRDA_WORDLENGTH_9B))
#define IS_IRDA_PARITY(PARITY) (((PARITY) == IRDA_PARITY_NONE) || \
                                ((PARITY) == IRDA_PARITY_EVEN) || \
                                ((PARITY) == IRDA_PARITY_ODD))
#define IS_IRDA_MODE(MODE) ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00000000U))
#define IS_IRDA_POWERMODE(MODE) (((MODE) == IRDA_POWERMODE_LOWPOWER) || \
                                 ((MODE) == IRDA_POWERMODE_NORMAL))
#define IS_IRDA_BAUDRATE(BAUDRATE) ((BAUDRATE) < 115201U)

#define IRDA_DIV(_PCLK_, _BAUD_)            (((_PCLK_)*25U)/(4U*(_BAUD_)))
#define IRDA_DIVMANT(_PCLK_, _BAUD_)        (IRDA_DIV((_PCLK_), (_BAUD_))/100U)
#define IRDA_DIVFRAQ(_PCLK_, _BAUD_)        (((IRDA_DIV((_PCLK_), (_BAUD_)) - (IRDA_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
/* UART BRR = mantissa + overflow + fraction
            = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
#define IRDA_BRR(_PCLK_, _BAUD_)            (((IRDA_DIVMANT((_PCLK_), (_BAUD_)) << 4U) + \
                                             (IRDA_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF0U)) + \
                                             (IRDA_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))

/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/
/** @defgroup IRDA_Private_Functions IRDA Private Functions
  * @{
  */

/**
  * @}
  */

/**
  * @}
  */ 

/**
  * @}
  */ 
  
#ifdef __cplusplus
}
#endif

#endif /* __STM32F4xx_HAL_IRDA_H */

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