/**
  ******************************************************************************
  * @file    stm32l1xx_hal_irda.h
  * @author  MCD Application Team
  * @version V1.2.0
  * @date    01-July-2016
  * @brief   This file contains all the functions prototypes for the IRDA 
  *          firmware library.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 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 __STM32L1xx_HAL_IRDA_H
#define __STM32L1xx_HAL_IRDA_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx_hal_def.h"

/** @addtogroup STM32L1xx_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) / (16 * (hirda->Init.BaudRate)))
                                           - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 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_Transfer_Mode */
                                            
  uint8_t  Prescaler;                 /*!< Specifies the Prescaler value prescaler value to be programmed 
                                           in the IrDA low-power Baud Register, for defining pulse width on which
                                           burst acceptance/rejection will be decided. This value is used as divisor 
                                           of system clock to achieve required pulse width. */
  
  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  
  */ 
typedef enum
{
  HAL_IRDA_STATE_RESET             = 0x00,    /*!< Peripheral is not initialized */
  HAL_IRDA_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use */
  HAL_IRDA_STATE_BUSY              = 0x02,    /*!< an internal process is ongoing */
  HAL_IRDA_STATE_BUSY_TX           = 0x12,    /*!< Data Transmission process is ongoing */
  HAL_IRDA_STATE_BUSY_RX           = 0x22,    /*!< Data Reception process is ongoing */
  HAL_IRDA_STATE_BUSY_TX_RX        = 0x32,    /*!< Data Transmission and Reception process is ongoing */
  HAL_IRDA_STATE_TIMEOUT           = 0x03,    /*!< Timeout state */
  HAL_IRDA_STATE_ERROR             = 0x04     /*!< Error */
}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              */
  
  uint16_t                    TxXferCount;      /*!< IRDA Tx Transfer Counter           */
  
  uint8_t                     *pRxBuffPtr;      /*!< Pointer to IRDA Rx transfer Buffer */
  
  uint16_t                    RxXferSize;       /*!< IRDA Rx Transfer size              */
  
  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  State;            /*!< IRDA communication state           */
  
  __IO uint32_t               ErrorCode;        /*!< IRDA Error code                    */
  
}IRDA_HandleTypeDef;

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup IRDA_Exported_Constants IRDA Exported constants
  * @{
  */

/** @defgroup IRDA_Error_Codes IRDA Error Codes
  * @{
  */
#define HAL_IRDA_ERROR_NONE      ((uint32_t)0x00)    /*!< No error            */
#define HAL_IRDA_ERROR_PE        ((uint32_t)0x01)    /*!< Parity error        */
#define HAL_IRDA_ERROR_NE        ((uint32_t)0x02)    /*!< Noise error         */
#define HAL_IRDA_ERROR_FE        ((uint32_t)0x04)    /*!< frame error         */
#define HAL_IRDA_ERROR_ORE       ((uint32_t)0x08)    /*!< Overrun error       */
#define HAL_IRDA_ERROR_DMA       ((uint32_t)0x10)    /*!< DMA transfer error  */

/**
  * @}
  */


/** @defgroup IRDA_Word_Length IRDA Word Length
  * @{
  */
#define IRDA_WORDLENGTH_8B                  ((uint32_t)0x00000000)
#define IRDA_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)
/**
  * @}
  */

/** @defgroup IRDA_Parity IRDA Parity
  * @{
  */
#define IRDA_PARITY_NONE                    ((uint32_t)0x00000000)
#define IRDA_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
#define IRDA_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) 
/**
  * @}
  */

/** @defgroup IRDA_Transfer_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               ((uint32_t)0x00000000)
/**
  * @}
  */

/** @defgroup IRDA_One_Bit  IRDA One Bit Sampling
  * @{
  */
#define IRDA_ONE_BIT_SAMPLE_DISABLE         ((uint32_t)0x00000000)
#define IRDA_ONE_BIT_SAMPLE_ENABLE          ((uint32_t)USART_CR3_ONEBIT)
/**
  * @}
  */

/** @defgroup IRDA_Flags IRDA Flags
  *        Elements values convention: 0xXXXX
  *           - 0xXXXX  : Flag mask in the SR register
  * @{
  */
#define IRDA_FLAG_TXE                       ((uint32_t)USART_SR_TXE)
#define IRDA_FLAG_TC                        ((uint32_t)USART_SR_TC)
#define IRDA_FLAG_RXNE                      ((uint32_t)USART_SR_RXNE)
#define IRDA_FLAG_IDLE                      ((uint32_t)USART_SR_IDLE)
#define IRDA_FLAG_ORE                       ((uint32_t)USART_SR_ORE)
#define IRDA_FLAG_NE                        ((uint32_t)USART_SR_NE)
#define IRDA_FLAG_FE                        ((uint32_t)USART_SR_FE)
#define IRDA_FLAG_PE                        ((uint32_t)USART_SR_PE)
/**
  * @}
  */

/** @defgroup IRDA_Interrupt_definition IRDA Interrupt Definitions
  *        Elements values convention: 0xY000XXXX
  *           - XXXX  : Interrupt mask (16 bits) in the Y register
  *           - Y  : Interrupt source register (4 bits)
  *                 - 0001: CR1 register
  *                 - 0010: CR2 register
  *                 - 0011: CR3 register
  *
  * @{
  */

#define IRDA_IT_PE                          ((uint32_t)(IRDA_CR1_REG_INDEX << 28 | USART_CR1_PEIE))
#define IRDA_IT_TXE                         ((uint32_t)(IRDA_CR1_REG_INDEX << 28 | USART_CR1_TXEIE))
#define IRDA_IT_TC                          ((uint32_t)(IRDA_CR1_REG_INDEX << 28 | USART_CR1_TCIE))
#define IRDA_IT_RXNE                        ((uint32_t)(IRDA_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE))
#define IRDA_IT_IDLE                        ((uint32_t)(IRDA_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE))

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

#define IRDA_IT_CTS                         ((uint32_t)(IRDA_CR3_REG_INDEX << 28 | USART_CR3_CTSIE))
#define IRDA_IT_ERR                         ((uint32_t)(IRDA_CR3_REG_INDEX << 28 | USART_CR3_EIE))

/**
  * @}
  */

/**
  * @}
  */

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

/** @brief Reset IRDA handle state
  * @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_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_IRDA_STATE_RESET)

/** @brief  Flush the IRDA DR register 
  * @param  __HANDLE__: specifies the USART Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  */
#define __HAL_IRDA_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)

/** @brief  Check whether the specified IRDA flag is set or not.
  * @param  __HANDLE__: specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @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  Clear the specified IRDA pending flag.
  * @param  __HANDLE__: specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @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 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_CLEAR_PEFLAG(__HANDLE__) \
do{                                         \
  __IO uint32_t tmpreg;                     \
  tmpreg = (__HANDLE__)->Instance->SR;      \
  tmpreg = (__HANDLE__)->Instance->DR;      \
  UNUSED(tmpreg);                           \
  }while(0)                                 \
    
/** @brief  Clear the IRDA FE pending flag.
  * @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_CLEAR_FEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the IRDA NE pending flag.
  * @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_CLEAR_NEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the IRDA ORE pending flag.
  * @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_CLEAR_OREFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Clear the IRDA IDLE pending flag.
  * @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_CLEAR_IDLEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)

/** @brief  Enable the specified IRDA interrupt.
  * @param  __HANDLE__: specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @param  __INTERRUPT__: specifies the IRDA interrupt source to enable.
  *          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__) >> 28) == IRDA_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           (((__INTERRUPT__) >> 28) == IRDA_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |=  ((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & IRDA_IT_MASK)))

/** @brief  Disable the specified IRDA interrupt.
  * @param  __HANDLE__: specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @param  __INTERRUPT__: specifies the IRDA interrupt source to disable.
  *          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_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28) == IRDA_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           (((__INTERRUPT__) >> 28) == IRDA_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & IRDA_IT_MASK)): \
                                                           ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & IRDA_IT_MASK)))
    
/** @brief  Check whether the specified IRDA interrupt has occurred or not.
  * @param  __HANDLE__: specifies the IRDA Handle.
  *         IRDA Handle selects the USARTx or UARTy peripheral 
  *         (USART,UART availability and x,y values depending on device).
  * @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 IRDA_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__) >> 28) == IRDA_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:((((__IT__) >> 28) == IRDA_CR2_REG_INDEX)? \
                                                      (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & IRDA_IT_MASK))

/** @brief  Enables the IRDA one bit sample method
  * @param  __HANDLE__: specifies the IRDA Handle.  
  * @retval None
  */     
#define __HAL_IRDA_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR3, (USART_CR3_ONEBIT)))

/** @brief  Disables the IRDA one bit sample method
  * @param  __HANDLE__: specifies the IRDA Handle.  
  * @retval None
  */      
#define __HAL_IRDA_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR3, (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__)                   (SET_BIT((__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__)                  (CLEAR_BIT((__HANDLE__)->Instance->CR1, USART_CR1_UE))

/**
  * @}
  */

/* Private macros --------------------------------------------------------*/
/** @defgroup IRDA_Private_Macros   IRDA Private Macros
  * @{
  */

#define IRDA_CR1_REG_INDEX                  1    
#define IRDA_CR2_REG_INDEX                  2    
#define IRDA_CR3_REG_INDEX                  3    

#define IRDA_DIV(__PCLK__, __BAUD__)                    (((__PCLK__)*25)/(4*(__BAUD__)))
#define IRDA_DIVMANT(__PCLK__, __BAUD__)                (IRDA_DIV((__PCLK__), (__BAUD__))/100)
#define IRDA_DIVFRAQ(__PCLK__, __BAUD__)                (((IRDA_DIV((__PCLK__), (__BAUD__)) - (IRDA_DIVMANT((__PCLK__), (__BAUD__)) * 100)) * 16 + 50) / 100)
/* UART BRR = mantissa + overflow + fraction
            = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0F) */
#define IRDA_BRR(_PCLK_, _BAUD_)            (((IRDA_DIVMANT((_PCLK_), (_BAUD_)) << 4) + \
                                             (IRDA_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF0)) + \
                                             (IRDA_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0F))

/** Ensure that IRDA Baud rate is less or equal to maximum value
  *    __BAUDRATE__: specifies the IRDA Baudrate set by the user.
  *                  The maximum Baud Rate is 115200bps 
  * Returns : True or False
  */   
#define IS_IRDA_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 115201)

#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) & (~((uint32_t)IRDA_MODE_TX_RX))) == 0x00) && \
                                        ((MODE) != (uint32_t)0x00000000))

#define IS_IRDA_POWERMODE(MODE)        (((MODE) == IRDA_POWERMODE_LOWPOWER) || \
                                        ((MODE) == IRDA_POWERMODE_NORMAL))

/** 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 )

/**
  * @}
  */


/* 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);
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);

/**
  * @}
  */

/** @addtogroup IRDA_Exported_Functions_Group3 Peripheral State and Errors 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 /* __STM32L1xx_HAL_IRDA_H */

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