/**
  ******************************************************************************
  * @file    stm32l4xx_hal_irda.h
  * @author  MCD Application Team
  * @version V1.7.1
  * @date    21-April-2017
  * @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 __STM32L4xx_HAL_IRDA_H
#define __STM32L4xx_HAL_IRDA_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal_def.h"

/** @addtogroup STM32L4xx_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 register is computed using the following formula:
                                              Baud Rate Register = ((PCLKx) / ((hirda->Init.BaudRate))) */

  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 whether the Receive or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref IRDA_Transfer_Mode */

  uint8_t  Prescaler;                 /*!< Specifies the Prescaler value for dividing the UART/USART source clock
                                           to achieve low-power frequency.
                                           @note Prescaler value 0 is forbidden */

  uint16_t PowerMode;                 /*!< Specifies the IRDA power 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 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  HAL IRDA Error Code structure definition
  */
typedef enum
{
  HAL_IRDA_ERROR_NONE      = 0x00,    /*!< No error            */
  HAL_IRDA_ERROR_PE        = 0x01,    /*!< Parity error        */
  HAL_IRDA_ERROR_NE        = 0x02,    /*!< Noise error         */
  HAL_IRDA_ERROR_FE        = 0x04,    /*!< frame error         */
  HAL_IRDA_ERROR_ORE       = 0x08,    /*!< Overrun error       */
  HAL_IRDA_ERROR_DMA       = 0x10,     /*!< DMA transfer error  */
  HAL_IRDA_ERROR_BUSY      = 0x20     /*!< Busy Error          */
}HAL_IRDA_ErrorTypeDef;

/**
  * @brief IRDA clock sources definition
  */
typedef enum
{
  IRDA_CLOCKSOURCE_PCLK1      = 0x00,    /*!< PCLK1 clock source     */
  IRDA_CLOCKSOURCE_PCLK2      = 0x01,    /*!< PCLK2 clock source     */
  IRDA_CLOCKSOURCE_HSI        = 0x02,    /*!< HSI clock source       */
  IRDA_CLOCKSOURCE_SYSCLK     = 0x04,    /*!< SYSCLK clock source    */
  IRDA_CLOCKSOURCE_LSE        = 0x08,    /*!< LSE clock source       */
  IRDA_CLOCKSOURCE_UNDEFINED  = 0x10     /*!< Undefined clock source */
}IRDA_ClockSourceTypeDef;

/**
  * @brief  IRDA handle Structure definition
  */
typedef struct
{
  USART_TypeDef            *Instance;        /*!< IRDA 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           */

  uint16_t                 Mask;             /*!< IRDA RX RDR register mask          */

  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 */

  uint32_t                 ErrorCode;        /*!< IRDA Error code                    */

}IRDA_HandleTypeDef;

/**
  * @brief  IRDA Configuration enumeration values definition
  */
typedef enum
{
  IRDA_BAUDRATE        = 0x00,     /*!< IRDA Baud rate          */
  IRDA_PARITY          = 0x01,     /*!< IRDA frame parity       */
  IRDA_WORDLENGTH      = 0x02,     /*!< IRDA frame length       */
  IRDA_MODE            = 0x03,     /*!< IRDA communication mode */
  IRDA_PRESCALER       = 0x04,     /*!< IRDA prescaling         */
  IRDA_POWERMODE       = 0x05      /*!< IRDA power mode         */
}IRDA_ControlTypeDef;

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup IRDA_Exported_Constants IRDA Exported Constants
  * @{
  */

/** @defgroup IRDA_Word_Length IRDA Word Length
  * @{
  */
#define IRDA_WORDLENGTH_7B                  ((uint32_t)USART_CR1_M1)   /*!< 7-bit long frame */
#define IRDA_WORDLENGTH_8B                  ((uint32_t)0x00000000)     /*!< 8-bit long frame */
#define IRDA_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M0)   /*!< 9-bit long frame */
/**
  * @}
  */

/** @defgroup IRDA_Parity IRDA Parity
  * @{
  */
#define IRDA_PARITY_NONE                    ((uint32_t)0x00000000)                      /*!< No parity   */
#define IRDA_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)                   /*!< Even parity */
#define IRDA_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))  /*!< Odd parity  */
/**
  * @}
  */

/** @defgroup IRDA_Transfer_Mode IRDA Transfer Mode
  * @{
  */
#define IRDA_MODE_RX                        ((uint32_t)USART_CR1_RE)                   /*!< RX mode        */
#define IRDA_MODE_TX                        ((uint32_t)USART_CR1_TE)                   /*!< TX mode        */
#define IRDA_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))   /*!< RX and TX mode */
/**
  * @}
  */

/** @defgroup IRDA_Low_Power IRDA Low Power
  * @{
  */
#define IRDA_POWERMODE_NORMAL               ((uint32_t)0x00000000)       /*!< IRDA normal power mode */ 
#define IRDA_POWERMODE_LOWPOWER             ((uint32_t)USART_CR3_IRLP)   /*!< IRDA low power mode    */ 
/**
  * @}
  */

/** @defgroup IRDA_State IRDA State
  * @{
  */
#define IRDA_STATE_DISABLE                  ((uint32_t)0x00000000)     /*!< IRDA disabled  */ 
#define IRDA_STATE_ENABLE                   ((uint32_t)USART_CR1_UE)   /*!< IRDA enabled   */ 
/**
  * @}
  */

/** @defgroup IRDA_Mode  IRDA Mode
  * @{
  */
#define IRDA_MODE_DISABLE                   ((uint32_t)0x00000000)      /*!< Associated UART disabled in IRDA mode */
#define IRDA_MODE_ENABLE                    ((uint32_t)USART_CR3_IREN)  /*!< Associated UART enabled in IRDA mode  */
/**
  * @}
  */

/** @defgroup IRDA_One_Bit  IRDA One Bit Sampling
  * @{
  */
#define IRDA_ONE_BIT_SAMPLE_DISABLE         ((uint32_t)0x00000000)       /*!< One-bit sampling disabled */
#define IRDA_ONE_BIT_SAMPLE_ENABLE          ((uint32_t)USART_CR3_ONEBIT) /*!< One-bit sampling enabled  */
/**
  * @}
  */

/** @defgroup IRDA_DMA_Tx IRDA DMA Tx
  * @{
  */
#define IRDA_DMA_TX_DISABLE                 ((uint32_t)0x00000000)       /*!< IRDA DMA TX disabled */ 
#define IRDA_DMA_TX_ENABLE                  ((uint32_t)USART_CR3_DMAT)   /*!< IRDA DMA TX enabled  */ 
/**
  * @}
  */

/** @defgroup IRDA_DMA_Rx  IRDA DMA Rx
  * @{
  */
#define IRDA_DMA_RX_DISABLE                 ((uint32_t)0x00000000)       /*!< IRDA DMA RX disabled */
#define IRDA_DMA_RX_ENABLE                  ((uint32_t)USART_CR3_DMAR)   /*!< IRDA DMA RX enabled  */
/**
  * @}
  */

/** @defgroup IRDA_Request_Parameters IRDA Request Parameters
  * @{
  */
#define IRDA_AUTOBAUD_REQUEST            ((uint16_t)USART_RQR_ABRRQ)        /*!< Auto-Baud Rate Request      */
#define IRDA_RXDATA_FLUSH_REQUEST        ((uint16_t)USART_RQR_RXFRQ)        /*!< Receive Data flush Request  */
#define IRDA_TXDATA_FLUSH_REQUEST        ((uint16_t)USART_RQR_TXFRQ)        /*!< Transmit data flush Request */
/**
  * @}
  */

/** @defgroup IRDA_Flags IRDA Flags
  *        Elements values convention: 0xXXXX
  *           - 0xXXXX  : Flag mask in the ISR register
  * @{
  */
#define IRDA_FLAG_REACK                     ((uint32_t)0x00400000)    /*!< IRDA Receive enable acknowledge flag  */ 
#define IRDA_FLAG_TEACK                     ((uint32_t)0x00200000)    /*!< IRDA Transmit enable acknowledge flag */ 
#define IRDA_FLAG_BUSY                      ((uint32_t)0x00010000)    /*!< IRDA Busy flag                        */  
#define IRDA_FLAG_ABRF                      ((uint32_t)0x00008000)    /*!< IRDA Auto baud rate flag              */
#define IRDA_FLAG_ABRE                      ((uint32_t)0x00004000)    /*!< IRDA Auto baud rate error             */  
#define IRDA_FLAG_TXE                       ((uint32_t)0x00000080)    /*!< IRDA Transmit data register empty     */
#define IRDA_FLAG_TC                        ((uint32_t)0x00000040)    /*!< IRDA Transmission complete            */  
#define IRDA_FLAG_RXNE                      ((uint32_t)0x00000020)    /*!< IRDA Read data register not empty     */
#define IRDA_FLAG_ORE                       ((uint32_t)0x00000008)    /*!< IRDA Overrun error                    */  
#define IRDA_FLAG_NE                        ((uint32_t)0x00000004)    /*!< IRDA Noise error                      */
#define IRDA_FLAG_FE                        ((uint32_t)0x00000002)    /*!< IRDA Framing error                    */
#define IRDA_FLAG_PE                        ((uint32_t)0x00000001)    /*!< IRDA Parity error                     */
/**
  * @}
  */

/** @defgroup IRDA_Interrupt_definition IRDA Interrupts Definition
  *        Elements values convention: 0000ZZZZ0XXYYYYYb
  *           - YYYYY  : Interrupt source position in the XX register (5bits)
  *           - XX  : Interrupt source register (2bits)
  *                 - 01: CR1 register
  *                 - 10: CR2 register
  *                 - 11: CR3 register
  *           - ZZZZ  : Flag position in the ISR register(4bits)
  * @{
  */
#define IRDA_IT_PE                          ((uint16_t)0x0028)     /*!< IRDA Parity error interruption                 */
#define IRDA_IT_TXE                         ((uint16_t)0x0727)     /*!< IRDA Transmit data register empty interruption */
#define IRDA_IT_TC                          ((uint16_t)0x0626)     /*!< IRDA Transmission complete interruption        */
#define IRDA_IT_RXNE                        ((uint16_t)0x0525)     /*!< IRDA Read data register not empty interruption */
#define IRDA_IT_IDLE                        ((uint16_t)0x0424)     /*!< IRDA Idle interruption                         */
#define IRDA_IT_ERR                         ((uint16_t)0x0060)       /*!< IRDA Error interruption        */
#define IRDA_IT_ORE                         ((uint16_t)0x0300)      /*!< IRDA Overrun error interruption */
#define IRDA_IT_NE                          ((uint16_t)0x0200)      /*!< IRDA Noise error interruption   */
#define IRDA_IT_FE                          ((uint16_t)0x0100)      /*!< IRDA Frame error interruption   */
/**
  * @}
  */

/** @defgroup IRDA_IT_CLEAR_Flags   IRDA Interruption Clear Flags
  * @{
  */
#define IRDA_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag          */
#define IRDA_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag         */
#define IRDA_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise detected Clear Flag        */
#define IRDA_CLEAR_OREF                      USART_ICR_ORECF           /*!< OverRun Error Clear Flag         */
#define IRDA_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag    */
#define IRDA_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag */
/**
  * @}
  */

/** @defgroup IRDA_Interruption_Mask    IRDA interruptions flags mask
  * @{
  */
#define IRDA_IT_MASK  ((uint16_t)0x001F)                             /*!< IRDA Interruptions flags mask */
/**
  * @}
  */

/**
 * @}
 */


/* Exported macros -----------------------------------------------------------*/
/** @defgroup IRDA_Exported_Macros IRDA Exported Macros
  * @{
  */

/** @brief  Reset IRDA handle state.
  * @param  __HANDLE__: IRDA handle.
  * @retval None
  */
#define __HAL_IRDA_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
                                                       (__HANDLE__)->gState = HAL_IRDA_STATE_RESET;      \
                                                       (__HANDLE__)->RxState = HAL_IRDA_STATE_RESET;     \
                                                     } while(0)

/** @brief  Flush the IRDA DR register.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None
  */
#define __HAL_IRDA_FLUSH_DRREGISTER(__HANDLE__)                            \
    do{                                                                    \
         SET_BIT((__HANDLE__)->Instance->RQR, IRDA_RXDATA_FLUSH_REQUEST); \
         SET_BIT((__HANDLE__)->Instance->RQR, IRDA_TXDATA_FLUSH_REQUEST); \
      } while(0)

/** @brief  Clear the specified IRDA pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __FLAG__: specifies the flag to check.
  *          This parameter can be any combination of the following values:
  *            @arg @ref IRDA_CLEAR_PEF
  *            @arg @ref IRDA_CLEAR_FEF
  *            @arg @ref IRDA_CLEAR_NEF
  *            @arg @ref IRDA_CLEAR_OREF
  *            @arg @ref IRDA_CLEAR_TCF
  *            @arg @ref IRDA_CLEAR_IDLEF
  * @retval None
  */
#define __HAL_IRDA_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))

/** @brief  Clear the IRDA PE pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)    __HAL_IRDA_CLEAR_FLAG((__HANDLE__), IRDA_CLEAR_PEF)


/** @brief  Clear the IRDA FE pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_FEFLAG(__HANDLE__)    __HAL_IRDA_CLEAR_FLAG((__HANDLE__), IRDA_CLEAR_FEF)

/** @brief  Clear the IRDA NE pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_NEFLAG(__HANDLE__)    __HAL_IRDA_CLEAR_FLAG((__HANDLE__), IRDA_CLEAR_NEF)

/** @brief  Clear the IRDA ORE pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_OREFLAG(__HANDLE__)    __HAL_IRDA_CLEAR_FLAG((__HANDLE__), IRDA_CLEAR_OREF)

/** @brief  Clear the IRDA IDLE pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None
  */
#define __HAL_IRDA_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_IRDA_CLEAR_FLAG((__HANDLE__), IRDA_CLEAR_IDLEF)

/** @brief  Check whether the specified IRDA flag is set or not.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __FLAG__: specifies the flag to check.
  *        This parameter can be one of the following values:
  *            @arg @ref IRDA_FLAG_REACK Receive enable acknowledge flag
  *            @arg @ref IRDA_FLAG_TEACK Transmit enable acknowledge flag
  *            @arg @ref IRDA_FLAG_BUSY  Busy flag
  *            @arg @ref IRDA_FLAG_ABRF  Auto Baud rate detection flag
  *            @arg @ref IRDA_FLAG_ABRE  Auto Baud rate detection error flag
  *            @arg @ref IRDA_FLAG_TXE   Transmit data register empty flag
  *            @arg @ref IRDA_FLAG_TC    Transmission Complete flag
  *            @arg @ref IRDA_FLAG_RXNE  Receive data register not empty flag
  *            @arg @ref IRDA_FLAG_ORE   OverRun Error flag
  *            @arg @ref IRDA_FLAG_NE    Noise Error flag
  *            @arg @ref IRDA_FLAG_FE    Framing Error flag
  *            @arg @ref IRDA_FLAG_PE    Parity Error flag
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_IRDA_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))


/** @brief  Enable the specified IRDA interrupt.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __INTERRUPT__: specifies the IRDA interrupt source to enable.
  *          This parameter can be one of the following values:
  *            @arg @ref IRDA_IT_TXE  Transmit Data Register empty interrupt
  *            @arg @ref IRDA_IT_TC   Transmission complete interrupt
  *            @arg @ref IRDA_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref IRDA_IT_IDLE Idle line detection interrupt
  *            @arg @ref IRDA_IT_PE   Parity Error interrupt
  *            @arg @ref IRDA_IT_ERR  Error interrupt(Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_IRDA_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & IRDA_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & IRDA_IT_MASK))): \
                                                           ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & IRDA_IT_MASK))))

/** @brief  Disable the specified IRDA interrupt.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __INTERRUPT__: specifies the IRDA interrupt source to disable.
  *          This parameter can be one of the following values:
  *            @arg @ref IRDA_IT_TXE  Transmit Data Register empty interrupt
  *            @arg @ref IRDA_IT_TC   Transmission complete interrupt
  *            @arg @ref IRDA_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref IRDA_IT_IDLE Idle line detection interrupt
  *            @arg @ref IRDA_IT_PE   Parity Error interrupt
  *            @arg @ref IRDA_IT_ERR  Error interrupt(Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_IRDA_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & IRDA_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & IRDA_IT_MASK))): \
                                                           ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & IRDA_IT_MASK))))


/** @brief  Check whether the specified IRDA interrupt has occurred or not.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __IT__: specifies the IRDA interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg @ref IRDA_IT_TXE Transmit Data Register empty interrupt
  *            @arg @ref IRDA_IT_TC  Transmission complete interrupt
  *            @arg @ref IRDA_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref IRDA_IT_IDLE Idle line detection interrupt
  *            @arg @ref IRDA_IT_ORE OverRun Error interrupt
  *            @arg @ref IRDA_IT_NE Noise Error interrupt
  *            @arg @ref IRDA_IT_FE Framing Error interrupt
  *            @arg @ref IRDA_IT_PE Parity Error interrupt
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_IRDA_GET_IT(__HANDLE__, __IT__) ((__HANDLE__)->Instance->ISR & ((uint32_t)1U << ((__IT__)>> 0x08)))

/** @brief  Check whether the specified IRDA interrupt source is enabled or not.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __IT__: specifies the IRDA interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg @ref IRDA_IT_TXE Transmit Data Register empty interrupt
  *            @arg @ref IRDA_IT_TC  Transmission complete interrupt
  *            @arg @ref IRDA_IT_RXNE Receive Data register not empty interrupt
  *            @arg @ref IRDA_IT_IDLE Idle line detection interrupt
  *            @arg @ref IRDA_IT_ERR Framing, overrun or noise error interrupt
  *            @arg @ref IRDA_IT_PE Parity Error interrupt
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_IRDA_GET_IT_SOURCE(__HANDLE__, __IT__) ((((((uint8_t)(__IT__)) >> 5U) == 1)? (__HANDLE__)->Instance->CR1:(((((uint8_t)(__IT__)) >> 5U) == 2)? \
                                                       (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & ((uint32_t)1 << (((uint16_t)(__IT__)) & IRDA_IT_MASK)))


/** @brief  Clear the specified IRDA ISR flag, in setting the proper ICR register flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __IT_CLEAR__: specifies the interrupt clear register flag that needs to be set
  *                       to clear the corresponding interrupt
  *          This parameter can be one of the following values:
  *            @arg @ref IRDA_CLEAR_PEF Parity Error Clear Flag
  *            @arg @ref IRDA_CLEAR_FEF Framing Error Clear Flag
  *            @arg @ref IRDA_CLEAR_NEF Noise detected Clear Flag
  *            @arg @ref IRDA_CLEAR_OREF OverRun Error Clear Flag
  *            @arg @ref IRDA_CLEAR_TCF Transmission Complete Clear Flag
  * @retval None
  */
#define __HAL_IRDA_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))


/** @brief  Set a specific IRDA request flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @param  __REQ__: specifies the request flag to set
  *          This parameter can be one of the following values:
  *            @arg @ref IRDA_AUTOBAUD_REQUEST Auto-Baud Rate Request
  *            @arg @ref IRDA_RXDATA_FLUSH_REQUEST Receive Data flush Request
  *            @arg @ref IRDA_TXDATA_FLUSH_REQUEST Transmit data flush Request
  *
  * @retval None
  */
#define __HAL_IRDA_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__))

/** @brief  Enable the IRDA 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  Disable the IRDA one bit sample method.
  * @param  __HANDLE__: specifies the IRDA Handle.  
  * @retval None
  */      
#define __HAL_IRDA_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_ONEBIT))

/** @brief  Enable UART/USART associated to IRDA Handle.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @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.
  * @retval None
  */
#define __HAL_IRDA_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)

/**
  * @}
  */

/* Private macros --------------------------------------------------------*/
/** @defgroup IRDA_Private_Macros   IRDA Private Macros
  * @{
  */

/** @brief  Compute the mask to apply to retrieve the received data
  *         according to the word length and to the parity bits activation.
  * @param  __HANDLE__: specifies the IRDA Handle.
  * @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field.
  */
#define IRDA_MASK_COMPUTATION(__HANDLE__)                             \
  do {                                                                \
  if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B)            \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x01FF ;                                 \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x00FF ;                                 \
     }                                                                \
  }                                                                   \
  else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B)       \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x00FF ;                                 \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x007F ;                                 \
     }                                                                \
  }                                                                   \
  else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B)       \
  {                                                                   \
     if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)               \
     {                                                                \
        (__HANDLE__)->Mask = 0x007F ;                                 \
     }                                                                \
     else                                                             \
     {                                                                \
        (__HANDLE__)->Mask = 0x003F ;                                 \
     }                                                                \
  }                                                                   \
} while(0)

/** @brief  Ensure that IRDA Baud rate is less or equal to maximum value.
  * @param  __BAUDRATE__: specifies the IRDA Baudrate set by the user.
  * @retval True or False
  */
#define IS_IRDA_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 115201)

/** @brief  Ensure that IRDA prescaler value is strictly larger than 0.
  * @param  __PRESCALER__: specifies the IRDA prescaler value set by the user.
  * @retval True or False
  */
#define IS_IRDA_PRESCALER(__PRESCALER__) ((__PRESCALER__) > 0)

/**
  * @brief Ensure that IRDA frame length is valid.
  * @param __LENGTH__: IRDA frame length. 
  * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
  */ 
#define IS_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \
                                         ((__LENGTH__) == IRDA_WORDLENGTH_8B) || \
                                         ((__LENGTH__) == IRDA_WORDLENGTH_9B))

/**
  * @brief Ensure that IRDA frame parity is valid.
  * @param __PARITY__: IRDA frame parity. 
  * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid)
  */ 
#define IS_IRDA_PARITY(__PARITY__) (((__PARITY__) == IRDA_PARITY_NONE) || \
                                    ((__PARITY__) == IRDA_PARITY_EVEN) || \
                                    ((__PARITY__) == IRDA_PARITY_ODD))

/**
  * @brief Ensure that IRDA communication mode is valid.
  * @param __MODE__: IRDA communication mode. 
  * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  */ 
#define IS_IRDA_TX_RX_MODE(__MODE__) ((((__MODE__) & (~((uint32_t)(IRDA_MODE_TX_RX)))) == (uint32_t)0x00) && ((__MODE__) != (uint32_t)0x00))

/**
  * @brief Ensure that IRDA power mode is valid.
  * @param __MODE__: IRDA power mode. 
  * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  */ 
#define IS_IRDA_POWERMODE(__MODE__) (((__MODE__) == IRDA_POWERMODE_LOWPOWER) || \
                                     ((__MODE__) == IRDA_POWERMODE_NORMAL))

/**
  * @brief Ensure that IRDA state is valid.
  * @param __STATE__: IRDA state mode. 
  * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid)
  */ 
#define IS_IRDA_STATE(__STATE__) (((__STATE__) == IRDA_STATE_DISABLE) || \
                                  ((__STATE__) == IRDA_STATE_ENABLE))

/**
  * @brief Ensure that IRDA associated UART/USART mode is valid.
  * @param __MODE__: IRDA associated UART/USART mode. 
  * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid)
  */ 
#define IS_IRDA_MODE(__MODE__)  (((__MODE__) == IRDA_MODE_DISABLE) || \
                                 ((__MODE__) == IRDA_MODE_ENABLE))

/**
  * @brief Ensure that IRDA sampling rate is valid.
  * @param __ONEBIT__: IRDA sampling rate. 
  * @retval SET (__ONEBIT__ is valid) or RESET (__ONEBIT__ is invalid)
  */ 
#define IS_IRDA_ONE_BIT_SAMPLE(__ONEBIT__)      (((__ONEBIT__) == IRDA_ONE_BIT_SAMPLE_DISABLE) || \
                                                 ((__ONEBIT__) == IRDA_ONE_BIT_SAMPLE_ENABLE))

/**
  * @brief Ensure that IRDA DMA TX mode is valid.
  * @param __DMATX__: IRDA DMA TX mode. 
  * @retval SET (__DMATX__ is valid) or RESET (__DMATX__ is invalid)
  */ 
#define IS_IRDA_DMA_TX(__DMATX__)     (((__DMATX__) == IRDA_DMA_TX_DISABLE) || \
                                       ((__DMATX__) == IRDA_DMA_TX_ENABLE))

/**
  * @brief Ensure that IRDA DMA RX mode is valid.
  * @param __DMARX__: IRDA DMA RX mode. 
  * @retval SET (__DMARX__ is valid) or RESET (__DMARX__ is invalid)
  */ 
#define IS_IRDA_DMA_RX(__DMARX__) (((__DMARX__) == IRDA_DMA_RX_DISABLE) || \
                                   ((__DMARX__) == IRDA_DMA_RX_ENABLE))

/**
  * @brief Ensure that IRDA request is valid.
  * @param __PARAM__: IRDA request. 
  * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid)
  */ 
#define IS_IRDA_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == IRDA_AUTOBAUD_REQUEST) || \
                                              ((__PARAM__) == IRDA_RXDATA_FLUSH_REQUEST) || \
                                              ((__PARAM__) == IRDA_TXDATA_FLUSH_REQUEST))
/**
 * @}
 */

/* Include IRDA HAL Extended module */
#include "stm32l4xx_hal_irda_ex.h"

/* Exported functions --------------------------------------------------------*/
/** @addtogroup IRDA_Exported_Functions IRDA Exported Functions
  * @{
  */

/** @addtogroup IRDA_Exported_Functions_Group1 Initialization and de-initialization functions
  * @{
  */

/* Initialization and 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
  * @{
  */

/* 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);

/**
  * @}
  */

/* Peripheral Control functions  ************************************************/

/** @addtogroup IRDA_Exported_Functions_Group4 Peripheral State and Error functions
  * @{
  */

/* Peripheral State and Error functions ***************************************/
HAL_IRDA_StateTypeDef HAL_IRDA_GetState(IRDA_HandleTypeDef *hirda);
uint32_t              HAL_IRDA_GetError(IRDA_HandleTypeDef *hirda);

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32L4xx_HAL_IRDA_H */

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