/** ****************************************************************************** * @file stm32f3xx_hal_cec.h * @author MCD Application Team * @version V1.3.0 * @date 01-July-2016 * @brief Header file of CEC HAL module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2016 STMicroelectronics

* * 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 __STM32F3xx_HAL_CEC_H #define __STM32F3xx_HAL_CEC_H #ifdef __cplusplus extern "C" { #endif #if defined(STM32F373xC) || defined(STM32F378xx) /* Includes ------------------------------------------------------------------*/ #include "stm32f3xx_hal_def.h" /** @addtogroup STM32F3xx_HAL_Driver * @{ */ /** @addtogroup CEC 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 : @arg CEC_STANDARD_TOLERANCE @arg CEC_EXTENDED_TOLERANCE */ uint32_t BRERxStop; /*!< Set BRESTP bit @ref CEC_BRERxStop : specifies whether or not a Bit Rising Error stops the reception. @arg CEC_NO_RX_STOP_ON_BRE: reception is not stopped. @arg 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. @arg CEC_BRE_ERRORBIT_NO_GENERATION: no error-bit generation. @arg 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 @arg CEC line upon Long Bit Period Error detection. @arg CEC_LBPE_ERRORBIT_NO_GENERATION: no error-bit generation. @arg 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: @arg 1) CEC_BROADCASTERROR_ERRORBIT_GENERATION. @arg __ a) BRE detection: error-bit generation on the CEC line if BRESTP=CEC_RX_STOP_ON_BRE and BREGEN=CEC_BRE_ERRORBIT_NO_GENERATION. @arg __ b) LBPE detection: error-bit generation on the CEC line if LBPGEN=CEC_LBPE_ERRORBIT_NO_GENERATION. @arg 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. @arg CEC_SFT_START_ON_TXSOM SFT: timer starts when TXSOM is set by software. @arg CEC_SFT_START_ON_TX_RX_END: SFT timer starts automatically at the end of message transmission/reception. */ uint32_t OwnAddress; /*!< Set OAR field, specifies CEC device address within a 15-bit long field */ uint32_t ListenMode; /*!< Set LSTN bit @ref CEC_Listening_Mode : specifies device listening mode. It can take two values: @arg 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. @arg 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. */ uint8_t InitiatorAddress; /* Initiator address (source logical address, sent in each header) */ }CEC_InitTypeDef; /** * @brief HAL CEC State structures definition */ typedef enum { HAL_CEC_STATE_RESET = 0x00, /*!< Peripheral Reset state */ HAL_CEC_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */ HAL_CEC_STATE_BUSY = 0x02, /*!< an internal process is ongoing */ HAL_CEC_STATE_BUSY_TX = 0x03, /*!< Data Transmission process is ongoing */ HAL_CEC_STATE_BUSY_RX = 0x04, /*!< Data Reception process is ongoing */ HAL_CEC_STATE_STANDBY_RX = 0x05, /*!< IP ready to receive, doesn't prevent IP to transmit */ HAL_CEC_STATE_TIMEOUT = 0x06, /*!< Timeout state */ HAL_CEC_STATE_ERROR = 0x07 /*!< State Error */ }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 */ uint8_t *pRxBuffPtr; /*!< Pointer to CEC Rx transfer Buffer */ uint16_t RxXferSize; /*!< CEC Rx Transfer size, 0: header received only */ uint32_t ErrorCode; /*!< For errors handling purposes, copy of ISR register in case error is reported */ HAL_LockTypeDef Lock; /*!< Locking object */ HAL_CEC_StateTypeDef State; /*!< CEC communication state */ }CEC_HandleTypeDef; /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup CEC_Exported_Constants CEC Exported Constants * @{ */ /** @defgroup CEC_Error_Code CEC Error Code * @{ */ #define HAL_CEC_ERROR_NONE (uint32_t) 0x0 /*!< 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 ((uint32_t)0x00000000) /*!< Transmission history-based signal free time (ruled by hardware) */ #define CEC_0_5_BITPERIOD_SFT ((uint32_t)0x00000001) /*!< 0.5 nominal data bit period */ #define CEC_1_5_BITPERIOD_SFT ((uint32_t)0x00000002) /*!< 1.5 nominal data bit periods */ #define CEC_2_5_BITPERIOD_SFT ((uint32_t)0x00000003) /*!< 2.5 nominal data bit periods */ #define CEC_3_5_BITPERIOD_SFT ((uint32_t)0x00000004) /*!< 3.5 nominal data bit periods */ #define CEC_4_5_BITPERIOD_SFT ((uint32_t)0x00000005) /*!< 4.5 nominal data bit periods */ #define CEC_5_5_BITPERIOD_SFT ((uint32_t)0x00000006) /*!< 5.5 nominal data bit periods */ #define CEC_6_5_BITPERIOD_SFT ((uint32_t)0x00000007) /*!< 6.5 nominal data bit periods */ /** * @} */ /** @defgroup CEC_Tolerance CEC Receiver Tolerance * @{ */ #define CEC_STANDARD_TOLERANCE ((uint32_t)0x00000000) /*!< Standard tolerance margin */ #define CEC_EXTENDED_TOLERANCE ((uint32_t)CEC_CFGR_RXTOL) /*!< Extended Tolerance */ /** * @} */ /** @defgroup CEC_BRERxStop CEC Reception Stop on Error * @{ */ #define CEC_NO_RX_STOP_ON_BRE ((uint32_t)0x00000000) /*!< CEC reception not stopped by BRE detection */ #define CEC_RX_STOP_ON_BRE ((uint32_t)CEC_CFGR_BRESTP) /*!< CEC reception stopped by BRE detection */ /** * @} */ /** @defgroup CEC_BREErrorBitGen CEC Error Bit Generation if Bit Rise Error reported * @{ */ #define CEC_BRE_ERRORBIT_NO_GENERATION ((uint32_t)0x00000000) /*!< No Error-Bit on CEC line in case of BRE detection */ #define CEC_BRE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BREGEN) /*!< Error-Bit on CEC line in case of BRE detection */ /** * @} */ /** @defgroup CEC_LBPEErrorBitGen CEC Error Bit Generation if Long Bit Period Error reported * @{ */ #define CEC_LBPE_ERRORBIT_NO_GENERATION ((uint32_t)0x00000000) /*!< No Error-Bit on CEC line in case of LBPE detection */ #define CEC_LBPE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_LBPEGEN) /*!< Error-Bit on CEC line in case of LBPE detection */ /** * @} */ /** @defgroup CEC_BroadCastMsgErrorBitGen CEC Error Bit Generation on Broadcast message * @{ */ #define CEC_BROADCASTERROR_ERRORBIT_GENERATION ((uint32_t)0x00000000) /*!< Error-Bit on CEC line for specific error conditions on a broadcast message (cf Reference Manual) */ #define CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BRDNOGEN) /*!< No Error-Bit on CEC line for specific error conditions on a broadcast message (cf Reference Manual) */ /** * @} */ /** @defgroup CEC_SFT_Option CEC Signal Free Time start option * @{ */ #define CEC_SFT_START_ON_TXSOM ((uint32_t)0x00000000) /*!< SFT timer starts when TXSOM is set by software */ #define CEC_SFT_START_ON_TX_RX_END ((uint32_t)CEC_CFGR_SFTOPT) /*!< SFT timer starts automatically at the end of message transmission/reception */ /** * @} */ /** @defgroup CEC_Listening_Mode CEC Listening mode option * @{ */ #define CEC_REDUCED_LISTENING_MODE ((uint32_t)0x00000000) /*!< CEC peripheral receives only message addressed to its own address (OAR). */ #define CEC_FULL_LISTENING_MODE ((uint32_t)CEC_CFGR_LSTN) /*!< 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. */ /** * @} */ /** @defgroup CEC_OAR_Position CEC Device Own Address position in CEC CFGR register * @{ */ #define CEC_CFGR_OAR_LSB_POS ((uint32_t) 16) /*!< CEC Device Own Address position in CEC CFGR register */ /** * @} */ /** @defgroup CEC_Initiator_Position CEC Initiator logical address position in message header * @{ */ #define CEC_INITIATOR_LSB_POS ((uint32_t) 4) /*!< CEC Initiator logical address position in message header */ /** * @} */ /** @defgroup CEC_Interrupts_Definitions CEC interrupts definition * @{ */ #define CEC_IT_TXACKE CEC_IER_TXACKEIE /*!< Tx missing acknowledge error interruption */ #define CEC_IT_TXERR CEC_IER_TXERRIE /*!< Tx error interruption */ #define CEC_IT_TXUDR CEC_IER_TXUDRIE /*!< Tx underrun interruption */ #define CEC_IT_TXEND CEC_IER_TXENDIE /*!< Tx end of message interruption */ #define CEC_IT_TXBR CEC_IER_TXBRIE /*!< Tx byte request interruption */ #define CEC_IT_ARBLST CEC_IER_ARBLSTIE /*!< Arbitration lost interruption */ #define CEC_IT_RXACKE CEC_IER_RXACKEIE /*!< Rx missing acknowledge error interruption */ #define CEC_IT_LBPE CEC_IER_LBPEIE /*!< Long bit period error interruption */ #define CEC_IT_SBPE CEC_IER_SBPEIE /*!< Short bit period error interruption */ #define CEC_IT_BRE CEC_IER_BREIE /*!< Bit rising error interruption */ #define CEC_IT_RXOVR CEC_IER_RXOVRIE /*!< Rx overrun interruption */ #define CEC_IT_RXEND CEC_IER_RXENDIE /*!< End of reception interruption */ #define CEC_IT_RXBR CEC_IER_RXBRIE /*!< RX byte received interruption */ /** * @} */ /** @defgroup CEC_Flags_Definitions CEC flags definition * @{ */ #define CEC_FLAG_TXACKE CEC_ISR_TXACKE /*!< Tx missing acknowledge error flag */ #define CEC_FLAG_TXERR CEC_ISR_TXERR /*!< Tx error flag */ #define CEC_FLAG_TXUDR CEC_ISR_TXUDR /*!< Tx underrun flag */ #define CEC_FLAG_TXEND CEC_ISR_TXEND /*!< Tx end of message flag */ #define CEC_FLAG_TXBR CEC_ISR_TXBR /*!< Tx byte request flag */ #define CEC_FLAG_ARBLST CEC_ISR_ARBLST /*!< Arbitration lost flag */ #define CEC_FLAG_RXACKE CEC_ISR_RXACKE /*!< Rx missing acknowledge error flag */ #define CEC_FLAG_LBPE CEC_ISR_LBPE /*!< Long bit period error flag */ #define CEC_FLAG_SBPE CEC_ISR_SBPE /*!< Short bit period error flag */ #define CEC_FLAG_BRE CEC_ISR_BRE /*!< Bit rising error flag */ #define CEC_FLAG_RXOVR CEC_ISR_RXOVR /*!< Rx overrun flag */ #define CEC_FLAG_RXEND CEC_ISR_RXEND /*!< End of reception flag */ #define CEC_FLAG_RXBR CEC_ISR_RXBR /*!< RX byte received flag */ /** * @} */ /** @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) /*!< All Rx or Tx errors flags concatenation */ /** * @} */ /** @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) /*!< All Rx errors interruptions concatenation */ /** * @} */ /** @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) /*!< All Tx errors interruptions concatenation */ /** * @} */ /** * @} */ /* Exported macros -----------------------------------------------------------*/ /** @defgroup CEC_Exported_Macros CEC Exported Macros * @{ */ /** @brief Reset CEC handle state * @param __HANDLE__: CEC handle. * @retval None */ #define __HAL_CEC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CEC_STATE_RESET) /** @brief Check whether or not the specified CEC interrupt flag is set. * @param __HANDLE__: specifies the CEC Handle. * @param __FLAG__: specifies the interrupt to check. * 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 Rissing Error * @arg CEC_FLAG_RXOVR: Rx Overrun. * @arg CEC_FLAG_RXEND: End Of Reception. * @arg CEC_FLAG_RXBR: Rx-Byte Received. * @retval IT Status */ #define __HAL_CEC_GET_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR & (__FLAG__)) /** @brief Clear 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 Rissing 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 Enable 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 Disable 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 Check 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 Flag Status */ #define __HAL_CEC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__)) /** @brief Enable the CEC device. * @param __HANDLE__: specifies the CEC Handle. * @retval none */ #define __HAL_CEC_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_CECEN) /** @brief Disable 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. * @note If the CEC message consists of only one byte, TXEOM must be set before TXSOM. * @retval none * */ #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). * @param __HANDLE__: specifies the CEC Handle. * @param __ADDRESS__: own address value (CEC logical address is identified by bit position) * @note To reset OAR, __HAL_CEC_CLEAR_OAR() needs to be called beforehand. * @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 CEC Exported Functions * @{ */ /** @addtogroup CEC_Exported_Functions_Group1 Initialization and de-initialization functions * @brief Initialization and Configuration functions * @{ */ /* Initialization and de-initialization functions ****************************/ HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec); HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec); void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec); void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec); /** * @} */ /** @addtogroup CEC_Exported_Functions_Group2 Input and Output operation functions * @brief CEC Transmit/Receive functions * @{ */ /* I/O operation functions ***************************************************/ HAL_StatusTypeDef HAL_CEC_Transmit(CEC_HandleTypeDef *hcec, uint8_t DestinationAddress, uint8_t *pData, uint32_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_CEC_Receive(CEC_HandleTypeDef *hcec, uint8_t *pData, uint32_t Timeout); HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t DestinationAddress, uint8_t *pData, uint32_t Size); HAL_StatusTypeDef HAL_CEC_Receive_IT(CEC_HandleTypeDef *hcec, uint8_t *pData); uint32_t HAL_CEC_GetReceivedFrameSize(CEC_HandleTypeDef *hcec); void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec); void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec); void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec); void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec); /** * @} */ /** @addtogroup CEC_Exported_Functions_Group3 Peripheral Control functions * @brief CEC control functions * @{ */ /* Peripheral State and Error functions ***************************************/ HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec); uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec); /** * @} */ /** * @} */ /* 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 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_OAR_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x07FFF) /** @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__) <= 0xF) /** @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__) <= 0xF) /** * @} */ /** * @} */ /** * @} */ #endif /* defined(STM32F373xC) || defined(STM32F378xx) */ #ifdef __cplusplus } #endif #endif /* __STM32F3xx_HAL_CEC_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/