gd32450i-eval/app/driver/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cec.h

/**
  ******************************************************************************
  * @file    stm32f4xx_hal_cec.h
  * @author  MCD Application Team
  * @brief   Header file of CEC 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_CEC_H
#define __STM32F4xx_HAL_CEC_H

#ifdef __cplusplus
 extern "C" {
#endif

#if defined(STM32F446xx)
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"

/** @addtogroup STM32F4xx_HAL_Driver
  * @{
  */

/** @addtogroup CEC
  * @{
  */

/* Exported types ------------------------------------------------------------*/ 
/** @defgroup CEC_Exported_Types CEC Exported Types
  * @{
  */
  
/** 
  * @brief CEC Init Structure definition  
  */ 
typedef struct
{
  uint32_t SignalFreeTime;               /*!< Set SFT field, specifies the Signal Free Time.
                                              It can be one of @ref CEC_Signal_Free_Time 
                                              and belongs to the set {0,...,7} where  
                                              0x0 is the default configuration 
                                              else means 0.5 + (SignalFreeTime - 1) nominal data bit periods */

  uint32_t Tolerance;                    /*!< Set RXTOL bit, specifies the tolerance accepted on the received waveforms,
                                              it can be a value of @ref CEC_Tolerance : it is either CEC_STANDARD_TOLERANCE 
                                              or CEC_EXTENDED_TOLERANCE */

  uint32_t BRERxStop;                    /*!< Set BRESTP bit @ref CEC_BRERxStop : specifies whether or not a Bit Rising Error stops the reception. 
                                              CEC_NO_RX_STOP_ON_BRE: reception is not stopped. 
                                              CEC_RX_STOP_ON_BRE:    reception is stopped. */

  uint32_t BREErrorBitGen;               /*!< Set BREGEN bit @ref CEC_BREErrorBitGen : specifies whether or not an Error-Bit is generated on the
                                              CEC line upon Bit Rising Error detection.
                                              CEC_BRE_ERRORBIT_NO_GENERATION: no error-bit generation.
                                              CEC_BRE_ERRORBIT_GENERATION:    error-bit generation if BRESTP is set. */
                                              
  uint32_t LBPEErrorBitGen;              /*!< Set LBPEGEN bit @ref CEC_LBPEErrorBitGen : specifies whether or not an Error-Bit is generated on the
                                              CEC line upon Long Bit Period Error detection.
                                              CEC_LBPE_ERRORBIT_NO_GENERATION:  no error-bit generation. 
                                              CEC_LBPE_ERRORBIT_GENERATION:     error-bit generation. */  
                                              
  uint32_t BroadcastMsgNoErrorBitGen;    /*!< Set BRDNOGEN bit @ref CEC_BroadCastMsgErrorBitGen : allows to avoid an Error-Bit generation on the CEC line
                                              upon an error detected on a broadcast message. 
                                              
                                              It supersedes BREGEN and LBPEGEN bits for a broadcast message error handling. It can take two values:
                                              
                                              1) CEC_BROADCASTERROR_ERRORBIT_GENERATION.
                                                 a) BRE detection: error-bit generation on the CEC line if BRESTP=CEC_RX_STOP_ON_BRE 
                                                    and BREGEN=CEC_BRE_ERRORBIT_NO_GENERATION.
                                                 b) LBPE detection: error-bit generation on the CEC line 
                                                    if LBPGEN=CEC_LBPE_ERRORBIT_NO_GENERATION.
                                                    
                                              2) CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION.
                                                 no error-bit generation in case neither a) nor b) are satisfied. Additionally,
                                                 there is no error-bit generation in case of Short Bit Period Error detection in 
                                                 a broadcast message while LSTN bit is set. */
 
  uint32_t SignalFreeTimeOption;         /*!< Set SFTOP bit @ref CEC_SFT_Option : specifies when SFT timer starts.
                                              CEC_SFT_START_ON_TXSOM SFT:    timer starts when TXSOM is set by software.
                                              CEC_SFT_START_ON_TX_RX_END:  SFT timer starts automatically at the end of message transmission/reception. */
  
  uint32_t ListenMode;                   /*!< Set LSTN bit @ref CEC_Listening_Mode : specifies device listening mode. It can take two values:
  
                                              CEC_REDUCED_LISTENING_MODE: CEC peripheral receives only message addressed to its 
                                                own address (OAR). Messages addressed to different destination are ignored. 
                                                Broadcast messages are always received.
                                                
                                              CEC_FULL_LISTENING_MODE: CEC peripheral receives messages addressed to its own 
                                                address (OAR) with positive acknowledge. Messages addressed to different destination 
                                                are received, but without interfering with the CEC bus: no acknowledge sent.  */

  uint16_t  OwnAddress;                 /*!< Own addresses configuration
                                             This parameter can be a value of @ref CEC_OWN_ADDRESS */
  
  uint8_t  *RxBuffer;                    /*!< CEC Rx buffer pointeur */
  

}CEC_InitTypeDef;

/** 
  * @brief HAL CEC State structures definition 
  * @note  HAL CEC State value is a combination of 2 different substates: gState and RxState.
  *        - gState contains CEC state information related to global Handle management 
  *          and also information related to Tx operations.
  *          gState value coding follow below described bitmap :
  *          b7 (not used)
  *             x  : Should be set to 0
  *          b6  Error information 
  *             0  : No Error
  *             1  : Error
  *          b5     IP initilisation status
  *             0  : Reset (IP not initialized)
  *             1  : Init done (IP initialized. HAL CEC 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 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_CEC_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet Initialized 
                                                   Value is allowed for gState and RxState             */
  HAL_CEC_STATE_READY             = 0x20U,    /*!< Peripheral Initialized and ready for use
                                                   Value is allowed for gState and RxState             */
  HAL_CEC_STATE_BUSY              = 0x24U,    /*!< an internal process is ongoing
                                                   Value is allowed for gState only                    */
  HAL_CEC_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing
                                                   Value is allowed for RxState only                   */
  HAL_CEC_STATE_BUSY_TX           = 0x21U,    /*!< Data Transmission process is ongoing 
                                                   Value is allowed for gState only                    */
  HAL_CEC_STATE_ERROR             = 0x60U     /*!< Error Value is allowed for gState only              */
}HAL_CEC_StateTypeDef;

/** 
  * @brief  CEC handle Structure definition  
  */  
typedef struct
{
  CEC_TypeDef             *Instance;      /*!< CEC registers base address */
  
  CEC_InitTypeDef         Init;           /*!< CEC communication parameters */
  
  uint8_t                 *pTxBuffPtr;    /*!< Pointer to CEC Tx transfer Buffer */
  
  uint16_t                TxXferCount;    /*!< CEC Tx Transfer Counter */
  
  uint16_t                RxXferSize;     /*!< CEC Rx Transfer size, 0: header received only */
  
  HAL_LockTypeDef         Lock;           /*!< Locking object */

  HAL_CEC_StateTypeDef    gState;         /*!< CEC state information related to global Handle management 
                                               and also related to Tx operations.
                                               This parameter can be a value of @ref HAL_CEC_StateTypeDef */
  
  HAL_CEC_StateTypeDef    RxState;        /*!< CEC state information related to Rx operations.
                                               This parameter can be a value of @ref HAL_CEC_StateTypeDef */
  
  uint32_t                ErrorCode;      /*!< For errors handling purposes, copy of ISR register 
                                               in case error is reported */    
}CEC_HandleTypeDef;
/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup CEC_Exported_Constants CEC Exported Constants
  * @{
  */

/** @defgroup CEC_Error_Code CEC Error Code
  * @{
  */ 
#define HAL_CEC_ERROR_NONE    0x00000000U            /*!< no error                      */
#define HAL_CEC_ERROR_RXOVR   CEC_ISR_RXOVR          /*!< CEC Rx-Overrun                */
#define HAL_CEC_ERROR_BRE     CEC_ISR_BRE            /*!< CEC Rx Bit Rising Error       */
#define HAL_CEC_ERROR_SBPE    CEC_ISR_SBPE           /*!< CEC Rx Short Bit period Error */
#define HAL_CEC_ERROR_LBPE    CEC_ISR_LBPE           /*!< CEC Rx Long Bit period Error  */
#define HAL_CEC_ERROR_RXACKE  CEC_ISR_RXACKE         /*!< CEC Rx Missing Acknowledge    */
#define HAL_CEC_ERROR_ARBLST  CEC_ISR_ARBLST         /*!< CEC Arbitration Lost          */
#define HAL_CEC_ERROR_TXUDR   CEC_ISR_TXUDR          /*!< CEC Tx-Buffer Underrun        */
#define HAL_CEC_ERROR_TXERR   CEC_ISR_TXERR          /*!< CEC Tx-Error                  */
#define HAL_CEC_ERROR_TXACKE  CEC_ISR_TXACKE         /*!< CEC Tx Missing Acknowledge    */
/**
  * @}
  */
       
/** @defgroup CEC_Signal_Free_Time  CEC Signal Free Time setting parameter
  * @{
  */
#define CEC_DEFAULT_SFT                    0x00000000U
#define CEC_0_5_BITPERIOD_SFT              0x00000001U
#define CEC_1_5_BITPERIOD_SFT              0x00000002U
#define CEC_2_5_BITPERIOD_SFT              0x00000003U
#define CEC_3_5_BITPERIOD_SFT              0x00000004U
#define CEC_4_5_BITPERIOD_SFT              0x00000005U
#define CEC_5_5_BITPERIOD_SFT              0x00000006U
#define CEC_6_5_BITPERIOD_SFT              0x00000007U
/**
  * @}
  */

/** @defgroup CEC_Tolerance CEC Receiver Tolerance
  * @{
  */
#define CEC_STANDARD_TOLERANCE             0x00000000U
#define CEC_EXTENDED_TOLERANCE             ((uint32_t)CEC_CFGR_RXTOL)
/**
  * @}
  */ 

/** @defgroup CEC_BRERxStop CEC Reception Stop on Error
  * @{
  */
#define CEC_NO_RX_STOP_ON_BRE             0x00000000U
#define CEC_RX_STOP_ON_BRE                ((uint32_t)CEC_CFGR_BRESTP)
/**
  * @}
  */            
             
/** @defgroup CEC_BREErrorBitGen  CEC Error Bit Generation if Bit Rise Error reported
  * @{
  */ 
#define CEC_BRE_ERRORBIT_NO_GENERATION     0x00000000U
#define CEC_BRE_ERRORBIT_GENERATION        ((uint32_t)CEC_CFGR_BREGEN)
/**
  * @}
  */ 
                        
/** @defgroup CEC_LBPEErrorBitGen  CEC Error Bit Generation if Long Bit Period Error reported
  * @{
  */ 
#define CEC_LBPE_ERRORBIT_NO_GENERATION     0x00000000U
#define CEC_LBPE_ERRORBIT_GENERATION        ((uint32_t)CEC_CFGR_LBPEGEN)
/**
  * @}
  */    

/** @defgroup CEC_BroadCastMsgErrorBitGen  CEC Error Bit Generation on Broadcast message
  * @{
  */ 
#define CEC_BROADCASTERROR_ERRORBIT_GENERATION     0x00000000U
#define CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION  ((uint32_t)CEC_CFGR_BRDNOGEN)
/**
  * @}
  */
  
/** @defgroup CEC_SFT_Option     CEC Signal Free Time start option
  * @{
  */ 
#define CEC_SFT_START_ON_TXSOM           0x00000000U
#define CEC_SFT_START_ON_TX_RX_END       ((uint32_t)CEC_CFGR_SFTOPT)
/**
  * @}
  */
  
/** @defgroup CEC_Listening_Mode    CEC Listening mode option
  * @{
  */ 
#define CEC_REDUCED_LISTENING_MODE          0x00000000U
#define CEC_FULL_LISTENING_MODE             ((uint32_t)CEC_CFGR_LSTN)
/**
  * @}
  */
  
/** @defgroup CEC_OAR_Position   CEC Device Own Address position in CEC CFGR register     
  * @{
  */
#define CEC_CFGR_OAR_LSB_POS            16U
/**
  * @}
  */
  
/** @defgroup CEC_Initiator_Position   CEC Initiator logical address position in message header     
  * @{
  */
#define CEC_INITIATOR_LSB_POS           4U
/**
  * @}
  */

/** @defgroup CEC_OWN_ADDRESS   CEC Own Address    
  * @{
  */
#define CEC_OWN_ADDRESS_NONE           ((uint16_t)0x0000)   /* Reset value */
#define CEC_OWN_ADDRESS_0              ((uint16_t)0x0001)   /* Logical Address 0 */
#define CEC_OWN_ADDRESS_1              ((uint16_t)0x0002)   /* Logical Address 1 */
#define CEC_OWN_ADDRESS_2              ((uint16_t)0x0004)   /* Logical Address 2 */
#define CEC_OWN_ADDRESS_3              ((uint16_t)0x0008)   /* Logical Address 3 */
#define CEC_OWN_ADDRESS_4              ((uint16_t)0x0010)   /* Logical Address 4 */
#define CEC_OWN_ADDRESS_5              ((uint16_t)0x0020)   /* Logical Address 5 */
#define CEC_OWN_ADDRESS_6              ((uint16_t)0x0040)   /* Logical Address 6 */
#define CEC_OWN_ADDRESS_7              ((uint16_t)0x0080)   /* Logical Address 7 */
#define CEC_OWN_ADDRESS_8              ((uint16_t)0x0100)   /* Logical Address 9 */
#define CEC_OWN_ADDRESS_9              ((uint16_t)0x0200)   /* Logical Address 10 */
#define CEC_OWN_ADDRESS_10             ((uint16_t)0x0400)   /* Logical Address 11 */
#define CEC_OWN_ADDRESS_11             ((uint16_t)0x0800)   /* Logical Address 12 */
#define CEC_OWN_ADDRESS_12             ((uint16_t)0x1000)   /* Logical Address 13 */
#define CEC_OWN_ADDRESS_13             ((uint16_t)0x2000)   /* Logical Address 14 */
#define CEC_OWN_ADDRESS_14             ((uint16_t)0x4000)   /* Logical Address 15 */
/**
  * @}
  */
    
/** @defgroup CEC_Interrupts_Definitions  CEC Interrupts definition
  * @{
  */
#define CEC_IT_TXACKE                   CEC_IER_TXACKEIE
#define CEC_IT_TXERR                    CEC_IER_TXERRIE
#define CEC_IT_TXUDR                    CEC_IER_TXUDRIE
#define CEC_IT_TXEND                    CEC_IER_TXENDIE
#define CEC_IT_TXBR                     CEC_IER_TXBRIE
#define CEC_IT_ARBLST                   CEC_IER_ARBLSTIE
#define CEC_IT_RXACKE                   CEC_IER_RXACKEIE
#define CEC_IT_LBPE                     CEC_IER_LBPEIE
#define CEC_IT_SBPE                     CEC_IER_SBPEIE
#define CEC_IT_BRE                      CEC_IER_BREIE
#define CEC_IT_RXOVR                    CEC_IER_RXOVRIE
#define CEC_IT_RXEND                    CEC_IER_RXENDIE
#define CEC_IT_RXBR                     CEC_IER_RXBRIE
/**
  * @}
  */

/** @defgroup CEC_Flags_Definitions  CEC Flags definition
  * @{
  */
#define CEC_FLAG_TXACKE                 CEC_ISR_TXACKE
#define CEC_FLAG_TXERR                  CEC_ISR_TXERR
#define CEC_FLAG_TXUDR                  CEC_ISR_TXUDR
#define CEC_FLAG_TXEND                  CEC_ISR_TXEND
#define CEC_FLAG_TXBR                   CEC_ISR_TXBR
#define CEC_FLAG_ARBLST                 CEC_ISR_ARBLST
#define CEC_FLAG_RXACKE                 CEC_ISR_RXACKE
#define CEC_FLAG_LBPE                   CEC_ISR_LBPE
#define CEC_FLAG_SBPE                   CEC_ISR_SBPE
#define CEC_FLAG_BRE                    CEC_ISR_BRE
#define CEC_FLAG_RXOVR                  CEC_ISR_RXOVR
#define CEC_FLAG_RXEND                  CEC_ISR_RXEND
#define CEC_FLAG_RXBR                   CEC_ISR_RXBR
/**
  * @}
  */
  
/** @defgroup CEC_ALL_ERROR CEC all RX or TX errors flags 
  * @{
  */
#define CEC_ISR_ALL_ERROR              ((uint32_t)CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE|\
                                                  CEC_ISR_ARBLST|CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)
/**
  * @}
  */

/** @defgroup CEC_IER_ALL_RX CEC all RX errors interrupts enabling flag 
  * @{
  */
#define CEC_IER_RX_ALL_ERR              ((uint32_t)CEC_IER_RXACKEIE|CEC_IER_LBPEIE|CEC_IER_SBPEIE|CEC_IER_BREIE|CEC_IER_RXOVRIE)
/**
  * @}
  */
  
/** @defgroup CEC_IER_ALL_TX CEC all TX errors interrupts enabling flag 
  * @{
  */
#define CEC_IER_TX_ALL_ERR              ((uint32_t)CEC_IER_TXACKEIE|CEC_IER_TXERRIE|CEC_IER_TXUDRIE|CEC_IER_ARBLSTIE)
/**
  * @}
  */
  
/**
  * @}
  */  
  
/* Exported macros -----------------------------------------------------------*/
/** @defgroup CEC_Exported_Macros CEC Exported Macros
  * @{
  */

/** @brief  Reset CEC handle gstate & RxState
  * @param  __HANDLE__ CEC handle.
  * @retval None
  */
#define __HAL_CEC_RESET_HANDLE_STATE(__HANDLE__) do{                                                   \
                                                       (__HANDLE__)->gState = HAL_CEC_STATE_RESET;     \
                                                       (__HANDLE__)->RxState = HAL_CEC_STATE_RESET;    \
                                                     } while(0)

/** @brief  Checks whether or not the specified CEC interrupt flag is set.
  * @param  __HANDLE__ specifies the CEC Handle.
  * @param  __FLAG__ specifies the flag to check.
  *            @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
  *            @arg CEC_FLAG_TXERR: Tx Error.
  *            @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
  *            @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
  *            @arg CEC_FLAG_TXBR: Tx-Byte Request.
  *            @arg CEC_FLAG_ARBLST: Arbitration Lost
  *            @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge 
  *            @arg CEC_FLAG_LBPE: Rx Long period Error
  *            @arg CEC_FLAG_SBPE: Rx Short period Error
  *            @arg CEC_FLAG_BRE: Rx Bit Rising Error
  *            @arg CEC_FLAG_RXOVR: Rx Overrun.
  *            @arg CEC_FLAG_RXEND: End Of Reception.
  *            @arg CEC_FLAG_RXBR: Rx-Byte Received.      
  * @retval ITStatus
  */
#define __HAL_CEC_GET_FLAG(__HANDLE__, __FLAG__)        ((__HANDLE__)->Instance->ISR & (__FLAG__)) 

/** @brief  Clears the interrupt or status flag when raised (write at 1)
  * @param  __HANDLE__ specifies the CEC Handle.
  * @param  __FLAG__ specifies the interrupt/status flag to clear.
  *        This parameter can be one of the following values:
  *            @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
  *            @arg CEC_FLAG_TXERR: Tx Error.
  *            @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
  *            @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
  *            @arg CEC_FLAG_TXBR: Tx-Byte Request.
  *            @arg CEC_FLAG_ARBLST: Arbitration Lost
  *            @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge 
  *            @arg CEC_FLAG_LBPE: Rx Long period Error
  *            @arg CEC_FLAG_SBPE: Rx Short period Error
  *            @arg CEC_FLAG_BRE: Rx Bit Rising Error
  *            @arg CEC_FLAG_RXOVR: Rx Overrun.
  *            @arg CEC_FLAG_RXEND: End Of Reception.
  *            @arg CEC_FLAG_RXBR: Rx-Byte Received. 
  * @retval none  
  */
#define __HAL_CEC_CLEAR_FLAG(__HANDLE__, __FLAG__)         ((__HANDLE__)->Instance->ISR |= (__FLAG__)) 

/** @brief  Enables the specified CEC interrupt.
  * @param  __HANDLE__ specifies the CEC Handle.
  * @param  __INTERRUPT__ specifies the CEC interrupt to enable.
  *          This parameter can be one of the following values:
  *            @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable 
  *            @arg CEC_IT_TXERR: Tx Error IT Enable 
  *            @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable 
  *            @arg CEC_IT_TXEND: End of transmission IT Enable 
  *            @arg CEC_IT_TXBR: Tx-Byte Request IT Enable 
  *            @arg CEC_IT_ARBLST: Arbitration Lost IT Enable 
  *            @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable 
  *            @arg CEC_IT_LBPE: Rx Long period Error IT Enable 
  *            @arg CEC_IT_SBPE: Rx Short period Error IT Enable 
  *            @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable 
  *            @arg CEC_IT_RXOVR: Rx Overrun IT Enable 
  *            @arg CEC_IT_RXEND: End Of Reception IT Enable 
  *            @arg CEC_IT_RXBR: Rx-Byte Received IT Enable                          
  * @retval none
  */
#define __HAL_CEC_ENABLE_IT(__HANDLE__, __INTERRUPT__)     ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))  

/** @brief  Disables the specified CEC interrupt.
  * @param  __HANDLE__ specifies the CEC Handle.
  * @param  __INTERRUPT__ specifies the CEC interrupt to disable.
  *          This parameter can be one of the following values:
  *            @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable 
  *            @arg CEC_IT_TXERR: Tx Error IT Enable 
  *            @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable 
  *            @arg CEC_IT_TXEND: End of transmission IT Enable 
  *            @arg CEC_IT_TXBR: Tx-Byte Request IT Enable 
  *            @arg CEC_IT_ARBLST: Arbitration Lost IT Enable 
  *            @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable 
  *            @arg CEC_IT_LBPE: Rx Long period Error IT Enable 
  *            @arg CEC_IT_SBPE: Rx Short period Error IT Enable 
  *            @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable 
  *            @arg CEC_IT_RXOVR: Rx Overrun IT Enable 
  *            @arg CEC_IT_RXEND: End Of Reception IT Enable 
  *            @arg CEC_IT_RXBR: Rx-Byte Received IT Enable                   
  * @retval none
  */   
#define __HAL_CEC_DISABLE_IT(__HANDLE__, __INTERRUPT__)    ((__HANDLE__)->Instance->IER &= (~(__INTERRUPT__)))  

/** @brief  Checks whether or not the specified CEC interrupt is enabled.
  * @param  __HANDLE__ specifies the CEC Handle.
  * @param  __INTERRUPT__ specifies the CEC interrupt to check.
  *          This parameter can be one of the following values:
  *            @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable 
  *            @arg CEC_IT_TXERR: Tx Error IT Enable 
  *            @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable 
  *            @arg CEC_IT_TXEND: End of transmission IT Enable 
  *            @arg CEC_IT_TXBR: Tx-Byte Request IT Enable 
  *            @arg CEC_IT_ARBLST: Arbitration Lost IT Enable 
  *            @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable 
  *            @arg CEC_IT_LBPE: Rx Long period Error IT Enable 
  *            @arg CEC_IT_SBPE: Rx Short period Error IT Enable 
  *            @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable 
  *            @arg CEC_IT_RXOVR: Rx Overrun IT Enable 
  *            @arg CEC_IT_RXEND: End Of Reception IT Enable 
  *            @arg CEC_IT_RXBR: Rx-Byte Received IT Enable                  
  * @retval FlagStatus  
  */
#define __HAL_CEC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__))

/** @brief  Enables the CEC device
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval none 
  */
#define __HAL_CEC_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR |=  CEC_CR_CECEN)

/** @brief  Disables the CEC device
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval none 
  */
#define __HAL_CEC_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR &=  ~CEC_CR_CECEN)

/** @brief  Set Transmission Start flag
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval none 
  */
#define __HAL_CEC_FIRST_BYTE_TX_SET(__HANDLE__)        ((__HANDLE__)->Instance->CR |=  CEC_CR_TXSOM)

/** @brief  Set Transmission End flag
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval none 
  * If the CEC message consists of only one byte, TXEOM must be set before of TXSOM.  
  */
#define __HAL_CEC_LAST_BYTE_TX_SET(__HANDLE__)         ((__HANDLE__)->Instance->CR |=  CEC_CR_TXEOM)

/** @brief  Get Transmission Start flag
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval FlagStatus 
  */
#define __HAL_CEC_GET_TRANSMISSION_START_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXSOM)

/** @brief  Get Transmission End flag
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval FlagStatus 
  */
#define __HAL_CEC_GET_TRANSMISSION_END_FLAG(__HANDLE__)   ((__HANDLE__)->Instance->CR & CEC_CR_TXEOM)   

/** @brief  Clear OAR register
  * @param  __HANDLE__ specifies the CEC Handle.               
  * @retval none 
  */
#define __HAL_CEC_CLEAR_OAR(__HANDLE__)   CLEAR_BIT((__HANDLE__)->Instance->CFGR, CEC_CFGR_OAR)

/** @brief  Set OAR register (without resetting previously set address in case of multi-address mode)
  *          To reset OAR, __HAL_CEC_CLEAR_OAR() needs to be called beforehand
  * @param  __HANDLE__ specifies the CEC Handle. 
  * @param  __ADDRESS__ Own Address value (CEC logical address is identified by bit position)                   
  * @retval none 
  */
#define __HAL_CEC_SET_OAR(__HANDLE__,__ADDRESS__)   SET_BIT((__HANDLE__)->Instance->CFGR, (__ADDRESS__)<< CEC_CFGR_OAR_LSB_POS)

/**
  * @}
  */                       

/* Exported functions --------------------------------------------------------*/
/** @addtogroup CEC_Exported_Functions
  * @{
  */

/** @addtogroup CEC_Exported_Functions_Group1
  * @{
  */
/* Initialization and de-initialization functions  ****************************/
HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec);
HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec);
HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress);
void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec);
void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec);
/**
  * @}
  */

/** @addtogroup CEC_Exported_Functions_Group2
  * @{
  */
/* I/O operation functions  ***************************************************/
HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t InitiatorAddress,uint8_t DestinationAddress, uint8_t *pData, uint32_t Size);
uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec);
void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t* Rxbuffer);
void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec);
void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec);
void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize);
void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec);
/**
  * @}
  */

/** @addtogroup CEC_Exported_Functions_Group3
  * @{
  */
/* Peripheral State functions  ************************************************/
HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec);
uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec);
/**
  * @}
  */

/**
  * @}
  */
  
/* Private types -------------------------------------------------------------*/
/** @defgroup CEC_Private_Types CEC Private Types
  * @{
  */

/**
  * @}
  */ 

/* Private variables ---------------------------------------------------------*/
/** @defgroup CEC_Private_Variables CEC Private Variables
  * @{
  */
  
/**
  * @}
  */ 

/* Private constants ---------------------------------------------------------*/
/** @defgroup CEC_Private_Constants CEC Private Constants
  * @{
  */

/**
  * @}
  */ 

/* Private macros ------------------------------------------------------------*/
/** @defgroup CEC_Private_Macros CEC Private Macros
  * @{
  */
  
#define IS_CEC_SIGNALFREETIME(__SFT__)     ((__SFT__) <= CEC_CFGR_SFT)  

#define IS_CEC_TOLERANCE(__RXTOL__)        (((__RXTOL__) == CEC_STANDARD_TOLERANCE) || \
                                            ((__RXTOL__) == CEC_EXTENDED_TOLERANCE))

#define IS_CEC_BRERXSTOP(__BRERXSTOP__)   (((__BRERXSTOP__) == CEC_NO_RX_STOP_ON_BRE) || \
                                           ((__BRERXSTOP__) == CEC_RX_STOP_ON_BRE))

#define IS_CEC_BREERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_NO_GENERATION) || \
                                                ((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_GENERATION))

#define IS_CEC_LBPEERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_NO_GENERATION) || \
                                                 ((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_GENERATION))

#define IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BROADCASTERROR_ERRORBIT_GENERATION) || \
                                                                       ((__ERRORBITGEN__) == CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION))

#define IS_CEC_SFTOP(__SFTOP__)          (((__SFTOP__) == CEC_SFT_START_ON_TXSOM) || \
                                          ((__SFTOP__) == CEC_SFT_START_ON_TX_RX_END))

#define IS_CEC_LISTENING_MODE(__MODE__)     (((__MODE__) == CEC_REDUCED_LISTENING_MODE) || \
                                             ((__MODE__) == CEC_FULL_LISTENING_MODE))

/** @brief Check CEC message size.
  *       The message size is the payload size: without counting the header, 
  *       it varies from 0 byte (ping operation, one header only, no payload) to 
  *       15 bytes (1 opcode and up to 14 operands following the header). 
  * @param  __SIZE__ CEC message size.               
  * @retval Test result (TRUE or FALSE).
  */
#define IS_CEC_MSGSIZE(__SIZE__) ((__SIZE__) <= 0x10U)  
                                                 
/** @brief Check CEC device Own Address Register (OAR) setting.
  *        OAR address is written in a 15-bit field within CEC_CFGR register. 
  * @param  __ADDRESS__ CEC own address.               
  * @retval Test result (TRUE or FALSE).
  */
#define IS_CEC_OWN_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x7FFFU)

/** @brief Check CEC initiator or destination logical address setting.
  *        Initiator and destination addresses are coded over 4 bits. 
  * @param  __ADDRESS__ CEC initiator or logical address.               
  * @retval Test result (TRUE or FALSE).
  */
#define IS_CEC_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x0FU) 
/**
  * @}
  */
/* Private functions ---------------------------------------------------------*/
/** @defgroup CEC_Private_Functions CEC Private Functions
  * @{
  */
  
/**
  * @}
  */
  
/**
  * @}
  */ 

/**
  * @}
  */ 
#endif /* STM32F446xx */
  
#ifdef __cplusplus
}
#endif

#endif /* __STM32F4xx_HAL_CEC_H */

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