CAN Interface (CanIf)
The CanIf abstracts CAN hardware details and provides uniform access to multiple CAN controllers and transceivers for higher-layer modules (PduR, CanTp, CanNm, CanSM).
Funktionen — Übersicht
void CanIf_Init (const CanIf_ConfigType* ConfigPtr);This service Initializes internal and external interfaces of the CAN Interface for the further processing.void CanIf_DeInit (void);De-initializes the CanIf module.Std_ReturnType CanIf_SetControllerMode (uint8 ControllerId, Can_ControllerStateType ControllerMode);This service calls the corresponding CAN Driver service for changing of the CAN controller mode.Std_ReturnType CanIf_GetControllerMode (uint8 ControllerId, Can_ControllerStateType* ControllerModePtr);This service calls the corresponding CAN Driver service for obtaining the current status of the CAN controller.Std_ReturnType CanIf_GetControllerErrorState (uint8 ControllerId, Can_ErrorStateType* ErrorStatePtr);This service calls the corresponding CAN Driver service for obtaining the error state of the CAN controller.Std_ReturnType CanIf_Transmit (PduIdType TxPduId, const PduInfoType* PduInfoPtr);Requests transmission of a PDU.Std_ReturnType CanIf_ReadRxPduData (PduIdType CanIfRxSduId, PduInfoType* CanIfRxInfoPtr);This service provides the Data Length and the received data of the requested CanIfRxSduId to the calling upper layer.CanIf_NotifStatusType CanIf_ReadTxNotifStatus (PduIdType CanIfTxSduId);This service returns the confirmation status (confirmation occurred or not) of a specific static or dynamic CAN Tx L-PDU,...CanIf_NotifStatusType CanIf_ReadRxNotifStatus (PduIdType CanIfRxSduId);This service returns the indication status (indication occurred or not) of a specific CAN Rx L-PDU, requested by the CanIfRxSduId.Std_ReturnType CanIf_SetPduMode (uint8 ControllerId, CanIf_PduModeType PduModeRequest);This service sets the requested mode at the L-PDUs of a predefined logical PDU channel.Std_ReturnType CanIf_GetPduMode (uint8 ControllerId, CanIf_PduModeType* PduModePtr);This service reports the current mode of a requested PDU channel.void CanIf_GetVersionInfo (Std_VersionInfoType* VersionInfo);This service returns the version information of the called CAN Interface module.void CanIf_SetDynamicTxId (PduIdType CanIfTxSduId, Can_IdType CanId);This service reconfigures the corresponding CAN identifier of the requested CAN L-PDU.Std_ReturnType CanIf_SetTrcvMode (uint8 TransceiverId, CanTrcv_TrcvModeType TransceiverMode);This service changes the operation mode of the tansceiver TransceiverId, via calling the corresponding CAN Transceiver Driver...Std_ReturnType CanIf_GetTrcvMode (uint8 TransceiverId, CanTrcv_TrcvModeType* TransceiverModePtr);This function invokes CanTrcv_GetOpMode and updates the parameter TransceiverModePtr with the value OpMode provided by CanTrcv.Std_ReturnType CanIf_GetTrcvWakeupReason (uint8 TransceiverId, CanTrcv_TrcvWakeupReasonType* TrcvWuReasonPtr);This service returns the reason for the wake up of the transceiver TransceiverId, via calling the corresponding CAN...Std_ReturnType CanIf_SetTrcvWakeupMode (uint8 TransceiverId, CanTrcv_TrcvWakeupModeType TrcvWakeupMode);This function shall call CanTrcv_SetTrcvWakeupMode.Std_ReturnType CanIf_CheckWakeup (EcuM_WakeupSourceType WakeupSource);This service checks, whether an underlying CAN driver or a CAN transceiver driver already signals a wakeup event.Std_ReturnType CanIf_CheckValidation (EcuM_WakeupSourceType WakeupSource);This service is performed to validate a previous wakeup event.CanIf_NotifStatusType CanIf_GetTxConfirmationState (uint8 ControllerId);This service reports, if any TX confirmation has been done for the whole CAN controller since the last CAN controller start.Std_ReturnType CanIf_ClearTrcvWufFlag (uint8 TransceiverId);Requests the CanIf module to clear the WUF flag of the designated CAN transceiver.Std_ReturnType CanIf_CheckTrcvWakeFlag (uint8 TransceiverId);Requests the CanIf module to check the Wake flag of the designated CAN transceiver.Std_ReturnType CanIf_SetBaudrate (uint8 ControllerId, uint16 BaudRateConfigID);This service shall set the baud rate configuration of the CAN controller.Std_ReturnType CanIf_GetControllerRxErrorCounter (uint8 ControllerId, uint8* RxErrorCounterPtr);This service calls the corresponding CAN Driver service for obtaining the Rx error counter of the CAN controller.Std_ReturnType CanIf_GetControllerTxErrorCounter (uint8 ControllerId, uint8* TxErrorCounterPtr);This service calls the corresponding CAN Driver service for obtaining the Tx error counter of the CAN controller.Std_ReturnType CanIf_EnableBusMirroring (uint8 ControllerId, boolean MirroringActive);Enables or disables mirroring for a CAN controller.Std_ReturnType CanIf_TriggerTransmit (PduIdType TxPduId, PduInfoType* PduInfoPtr);Within this API, the upper layer module (called module) shall check whether the available data fits into the buffer size...void CanIf_TxConfirmation (PduIdType CanTxPduId);This service confirms a previously successfully processed transmission of a CAN TxPDU.void CanIf_RxIndication (const Can_HwType* Mailbox, const PduInfoType* PduInfoPtr);This service indicates a successful reception of a received CAN Rx L-PDU to the CanIf after passing all filters and validation...void CanIf_ControllerBusOff (uint8 ControllerId);This service indicates a Controller BusOff event referring to the corresponding CAN Controller with the abstract CanIf...void CanIf_ConfirmPnAvailability (uint8 TransceiverId);This service indicates that the transceiver is running in PN communication mode referring to the corresponding CAN transceiver...void CanIf_ClearTrcvWufFlagIndication (uint8 TransceiverId);This service indicates that the transceiver has cleared the WufFlag referring to the corresponding CAN transceiver with the...void CanIf_CheckTrcvWakeFlagIndication (uint8 TransceiverId);This service indicates that the check of the transceiver's wake-up flag has been finished by the corresponding CAN transceiver...void CanIf_ControllerModeIndication (uint8 ControllerId, Can_ControllerStateType ControllerMode);This service indicates a controller state transition referring to the corresponding CAN controller with the abstract CanIf...void CanIf_TrcvModeIndication (uint8 TransceiverId, CanTrcv_TrcvModeType TransceiverMode);This service indicates a transceiver state transition referring to the corresponding CAN transceiver with the abstract CanIf...void CanIf_ControllerErrorStatePassive (uint8 ControllerId, uint16 RxErrorCounter, uint16 TxErrorCounter);The function derives the ErrorCounterTreshold from RxErrorCounter/ TxErrorCounter values and reports it to the IdsM as...void CanIf_ErrorNotification (uint8 ControllerId, Can_ErrorType Can_ErrorType);The function shall derive the bus error source rx or tx from the parameter CanError and report the bus error as security event...Std_ReturnType <User_TriggerTransmit> (PduIdType TxPduId, PduInfoType* PduInfoPtr);Within this API, the upper layer module (called module) shall check whether the available data fits into the buffer size...void <User_TxConfirmation> (PduIdType TxPduId, Std_ReturnType result);The lower layer communication interface module confirms the transmission of a PDU, or the failure to transmit a PDU.void <User_RxIndication> (PduIdType RxPduId, const PduInfoType* PduInfoPtr);Indication of a received PDU from a lower layer communication interface module.void <User_ValidateWakeupEvent> (EcuM_WakeupSourceType sources);This service indicates if a wake up event initiated from the wake up source (CAN controller or transceiver) after a former...void <User_ControllerBusOff> (uint8 ControllerId);This service indicates a bus-off event to the corresponding upper layer module (mainly the CAN State Manager module).void <User_ConfirmPnAvailability> (uint8 TransceiverId);This service indicates that the CAN transceiver is running in PN communication mode.void <User_ClearTrcvWufFlagIndication> (uint8 TransceiverId);This service indicates that the CAN transceiver has cleared the WufFlag.void <User_CheckTrcvWakeFlagIndication> (uint8 TransceiverId);This service indicates that the wake up flag in the CAN transceiver is set.void <User_ControllerModeIndication> (uint8 ControllerId, Can_ControllerStateType ControllerMode);This service indicates a CAN controller state transition to the corresponding upper layer module (mainly the CAN State Manager...void <User_TrcvModeIndication> (uint8 TransceiverId, CanTrcv_TrcvModeType TransceiverMode);This service indicates a CAN transceiver state transition to the corresponding upper layer module (mainly the CAN State...
Typen — Übersicht
struct CanIf_ConfigTypeThis type defines a data structure for the post build parameters of the CAN interface for all underlying CAN drivers.enum CanIf_PduModeTypeThe PduMode of a channel defines its transmit or receive activity.enum CanIf_NotifStatusTypeType CanIf_NotifStatusType.
Funktionen & Typen — Detailansicht
函数 CanIf_Init [SWS_CANIF_00001] 📄 PDF
void CanIf_Init (const CanIf_ConfigType* ConfigPtr);
This service Initializes internal and external interfaces of the CAN Interface for the further processing.
实现者指南即将推出（复杂度 I3）
函数 CanIf_DeInit [SWS_CANIF_91002] 📄 PDF
void CanIf_DeInit (void);
De-initializes the CanIf module.
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函数 CanIf_SetControllerMode [SWS_CANIF_00003] 📄 PDF
Std_ReturnType CanIf_SetControllerMode (uint8 ControllerId, Can_ControllerStateType ControllerMode);
This service calls the corresponding CAN Driver service for changing of the CAN controller mode.
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函数 CanIf_GetControllerMode [SWS_CANIF_00229] 📄 PDF
Std_ReturnType CanIf_GetControllerMode (uint8 ControllerId, Can_ControllerStateType* ControllerModePtr);
This service calls the corresponding CAN Driver service for obtaining the current status of the CAN controller.
函数 CanIf_GetControllerErrorState [SWS_CANIF_91001] 📄 PDF
Std_ReturnType CanIf_GetControllerErrorState (uint8 ControllerId, Can_ErrorStateType* ErrorStatePtr);
This service calls the corresponding CAN Driver service for obtaining the error state of the CAN controller.
函数 CanIf_Transmit [SWS_CANIF_00005] 📄 PDF
Std_ReturnType CanIf_Transmit (PduIdType TxPduId, const PduInfoType* PduInfoPtr);
Requests transmission of a PDU.
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函数 CanIf_ReadRxPduData [SWS_CANIF_00194] 📄 PDF
Std_ReturnType CanIf_ReadRxPduData (PduIdType CanIfRxSduId, PduInfoType* CanIfRxInfoPtr);
This service provides the Data Length and the received data of the requested CanIfRxSduId to the calling upper layer.
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函数 CanIf_ReadTxNotifStatus [SWS_CANIF_00202] 📄 PDF
CanIf_NotifStatusType CanIf_ReadTxNotifStatus (PduIdType CanIfTxSduId);
This service returns the confirmation status (confirmation occurred or not) of a specific static or dynamic CAN Tx L-PDU, requested by the CanIfTxSduId.
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函数 CanIf_ReadRxNotifStatus [SWS_CANIF_00230] 📄 PDF
CanIf_NotifStatusType CanIf_ReadRxNotifStatus (PduIdType CanIfRxSduId);
This service returns the indication status (indication occurred or not) of a specific CAN Rx L-PDU, requested by the CanIfRxSduId.
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函数 CanIf_SetPduMode [SWS_CANIF_00008] 📄 PDF
Std_ReturnType CanIf_SetPduMode (uint8 ControllerId, CanIf_PduModeType PduModeRequest);
This service sets the requested mode at the L-PDUs of a predefined logical PDU channel.
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函数 CanIf_GetPduMode [SWS_CANIF_00009] 📄 PDF
Std_ReturnType CanIf_GetPduMode (uint8 ControllerId, CanIf_PduModeType* PduModePtr);
This service reports the current mode of a requested PDU channel.
函数 CanIf_GetVersionInfo [SWS_CANIF_00158] 📄 PDF
void CanIf_GetVersionInfo (Std_VersionInfoType* VersionInfo);
This service returns the version information of the called CAN Interface module.
函数 CanIf_SetDynamicTxId [SWS_CANIF_00189] 📄 PDF
void CanIf_SetDynamicTxId (PduIdType CanIfTxSduId, Can_IdType CanId);
This service reconfigures the corresponding CAN identifier of the requested CAN L-PDU.
函数 CanIf_SetTrcvMode [SWS_CANIF_00287] 📄 PDF
Std_ReturnType CanIf_SetTrcvMode (uint8 TransceiverId, CanTrcv_TrcvModeType TransceiverMode);
This service changes the operation mode of the tansceiver TransceiverId, via calling the corresponding CAN Transceiver Driver service.
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函数 CanIf_GetTrcvMode [SWS_CANIF_00288] 📄 PDF
Std_ReturnType CanIf_GetTrcvMode (uint8 TransceiverId, CanTrcv_TrcvModeType* TransceiverModePtr);
This function invokes CanTrcv_GetOpMode and updates the parameter TransceiverModePtr with the value OpMode provided by CanTrcv.
函数 CanIf_GetTrcvWakeupReason [SWS_CANIF_00289] 📄 PDF
Std_ReturnType CanIf_GetTrcvWakeupReason (uint8 TransceiverId, CanTrcv_TrcvWakeupReasonType* TrcvWuReasonPtr);
This service returns the reason for the wake up of the transceiver TransceiverId, via calling the corresponding CAN Transceiver Driver service.
函数 CanIf_SetTrcvWakeupMode [SWS_CANIF_00290] 📄 PDF
Std_ReturnType CanIf_SetTrcvWakeupMode (uint8 TransceiverId, CanTrcv_TrcvWakeupModeType TrcvWakeupMode);
This function shall call CanTrcv_SetTrcvWakeupMode.
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函数 CanIf_CheckWakeup [SWS_CANIF_00219] 📄 PDF
Std_ReturnType CanIf_CheckWakeup (EcuM_WakeupSourceType WakeupSource);
This service checks, whether an underlying CAN driver or a CAN transceiver driver already signals a wakeup event.
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函数 CanIf_CheckValidation [SWS_CANIF_00178] 📄 PDF
Std_ReturnType CanIf_CheckValidation (EcuM_WakeupSourceType WakeupSource);
This service is performed to validate a previous wakeup event.
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函数 CanIf_GetTxConfirmationState [SWS_CANIF_00734] 📄 PDF
CanIf_NotifStatusType CanIf_GetTxConfirmationState (uint8 ControllerId);
This service reports, if any TX confirmation has been done for the whole CAN controller since the last CAN controller start.
函数 CanIf_ClearTrcvWufFlag [SWS_CANIF_00760] 📄 PDF
Std_ReturnType CanIf_ClearTrcvWufFlag (uint8 TransceiverId);
Requests the CanIf module to clear the WUF flag of the designated CAN transceiver.
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函数 CanIf_CheckTrcvWakeFlag [SWS_CANIF_00761] 📄 PDF
Std_ReturnType CanIf_CheckTrcvWakeFlag (uint8 TransceiverId);
Requests the CanIf module to check the Wake flag of the designated CAN transceiver.
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函数 CanIf_SetBaudrate [SWS_CANIF_00867] 📄 PDF
Std_ReturnType CanIf_SetBaudrate (uint8 ControllerId, uint16 BaudRateConfigID);
This service shall set the baud rate configuration of the CAN controller. Depending on necessary baud rate modifications the controller might have to reset.
函数 CanIf_GetControllerRxErrorCounter [SWS_CANIF_91003] 📄 PDF
Std_ReturnType CanIf_GetControllerRxErrorCounter (uint8 ControllerId, uint8* RxErrorCounterPtr);
This service calls the corresponding CAN Driver service for obtaining the Rx error counter of the CAN controller.
函数 CanIf_GetControllerTxErrorCounter [SWS_CANIF_91004] 📄 PDF
Std_ReturnType CanIf_GetControllerTxErrorCounter (uint8 ControllerId, uint8* TxErrorCounterPtr);
This service calls the corresponding CAN Driver service for obtaining the Tx error counter of the CAN controller.
函数 CanIf_EnableBusMirroring [SWS_CANIF_91005] 📄 PDF
Std_ReturnType CanIf_EnableBusMirroring (uint8 ControllerId, boolean MirroringActive);
Enables or disables mirroring for a CAN controller.
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函数 CanIf_TriggerTransmit [SWS_CANIF_00883] 📄 PDF
Std_ReturnType CanIf_TriggerTransmit (PduIdType TxPduId, PduInfoType* PduInfoPtr);
Within this API, the upper layer module (called module) shall check whether the available data fits into the buffer size reported by PduInfoPtr->SduLength. If it fits, it shall copy its data into the buffer provided by PduInfoPtr->SduDataPtr and update the length of the actual copied data in PduInfoPtr->SduLength. If not, it returns E_NOT_OK without changing PduInfoPtr.
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函数 CanIf_TxConfirmation [SWS_CANIF_00007] 📄 PDF
void CanIf_TxConfirmation (PduIdType CanTxPduId);
This service confirms a previously successfully processed transmission of a CAN TxPDU.
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函数 CanIf_RxIndication [SWS_CANIF_00006] 📄 PDF
void CanIf_RxIndication (const Can_HwType* Mailbox, const PduInfoType* PduInfoPtr);
This service indicates a successful reception of a received CAN Rx L-PDU to the CanIf after passing all filters and validation checks.
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函数 CanIf_ControllerBusOff [SWS_CANIF_00218] 📄 PDF
void CanIf_ControllerBusOff (uint8 ControllerId);
This service indicates a Controller BusOff event referring to the corresponding CAN Controller with the abstract CanIf ControllerId.
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函数 CanIf_ConfirmPnAvailability [SWS_CANIF_00815] 📄 PDF
void CanIf_ConfirmPnAvailability (uint8 TransceiverId);
This service indicates that the transceiver is running in PN communication mode referring to the corresponding CAN transceiver with the abstract CanIf TransceiverId.
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函数 CanIf_ClearTrcvWufFlagIndication [SWS_CANIF_00762] 📄 PDF
void CanIf_ClearTrcvWufFlagIndication (uint8 TransceiverId);
This service indicates that the transceiver has cleared the WufFlag referring to the corresponding CAN transceiver with the abstract CanIf TransceiverId.
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函数 CanIf_CheckTrcvWakeFlagIndication [SWS_CANIF_00763] 📄 PDF
void CanIf_CheckTrcvWakeFlagIndication (uint8 TransceiverId);
This service indicates that the check of the transceiver's wake-up flag has been finished by the corresponding CAN transceiver with the abstract CanIf TransceiverId. This indication is used to cope with the asynchronous transceiver communication.
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函数 CanIf_ControllerModeIndication [SWS_CANIF_00699] 📄 PDF
void CanIf_ControllerModeIndication (uint8 ControllerId, Can_ControllerStateType ControllerMode);
This service indicates a controller state transition referring to the corresponding CAN controller with the abstract CanIf ControllerId.
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函数 CanIf_TrcvModeIndication [SWS_CANIF_00764] 📄 PDF
void CanIf_TrcvModeIndication (uint8 TransceiverId, CanTrcv_TrcvModeType TransceiverMode);
This service indicates a transceiver state transition referring to the corresponding CAN transceiver with the abstract CanIf TransceiverId.
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函数 CanIf_ControllerErrorStatePassive [SWS_CANIF_91008] 📄 PDF
void CanIf_ControllerErrorStatePassive (uint8 ControllerId, uint16 RxErrorCounter, uint16 TxErrorCounter);
The function derives the ErrorCounterTreshold from RxErrorCounter/ TxErrorCounter values and reports it to the IdsM as security event CANIF_SEV_ERRORSTATE_PASSIVE to the IdsM. It also prepares the context data for the respective security event.
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函数 CanIf_ErrorNotification [SWS_CANIF_91009] 📄 PDF
void CanIf_ErrorNotification (uint8 ControllerId, Can_ErrorType Can_ErrorType);
The function shall derive the bus error source rx or tx from the parameter CanError and report the bus error as security event CANIF_SEV_TX_ERROR_DETECTED or CANIF_SEV_RX_ ERROR_DETECTED. It also prepares the context data for the respective security event.
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函数 <User_TriggerTransmit> [SWS_CANIF_00886] 📄 PDF
Std_ReturnType <User_TriggerTransmit> (PduIdType TxPduId, PduInfoType* PduInfoPtr);
Within this API, the upper layer module (called module) shall check whether the available data fits into the buffer size reported by PduInfoPtr->SduLength. If it fits, it shall copy its data into the buffer provided by PduInfoPtr->SduDataPtr and update the length of the actual copied data in PduInfoPtr->SduLength. If not, it returns E_NOT_OK without changing PduInfoPtr.
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函数 <User_TxConfirmation> [SWS_CANIF_00011] 📄 PDF
void <User_TxConfirmation> (PduIdType TxPduId, Std_ReturnType result);
The lower layer communication interface module confirms the transmission of a PDU, or the failure to transmit a PDU.
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函数 <User_RxIndication> [SWS_CANIF_00012] 📄 PDF
void <User_RxIndication> (PduIdType RxPduId, const PduInfoType* PduInfoPtr);
Indication of a received PDU from a lower layer communication interface module.
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函数 <User_ValidateWakeupEvent> [SWS_CANIF_00532] 📄 PDF
void <User_ValidateWakeupEvent> (EcuM_WakeupSourceType sources);
This service indicates if a wake up event initiated from the wake up source (CAN controller or transceiver) after a former request to the CAN Driver or CAN Transceiver Driver module is valid.
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函数 <User_ControllerBusOff> [SWS_CANIF_00014] 📄 PDF
void <User_ControllerBusOff> (uint8 ControllerId);
This service indicates a bus-off event to the corresponding upper layer module (mainly the CAN State Manager module).
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函数 <User_ConfirmPnAvailability> [SWS_CANIF_00821] 📄 PDF
void <User_ConfirmPnAvailability> (uint8 TransceiverId);
This service indicates that the CAN transceiver is running in PN communication mode.
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函数 <User_ClearTrcvWufFlagIndication> [SWS_CANIF_00788] 📄 PDF
void <User_ClearTrcvWufFlagIndication> (uint8 TransceiverId);
This service indicates that the CAN transceiver has cleared the WufFlag. This function is called in CanIf_ClearTrcvWufFlagIndication.
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函数 <User_CheckTrcvWakeFlagIndication> [SWS_CANIF_00814] 📄 PDF
void <User_CheckTrcvWakeFlagIndication> (uint8 TransceiverId);
This service indicates that the wake up flag in the CAN transceiver is set. This function is called in CanIf_CheckTrcvWakeFlagIndication.
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函数 <User_ControllerModeIndication> [SWS_CANIF_00687] 📄 PDF
void <User_ControllerModeIndication> (uint8 ControllerId, Can_ControllerStateType ControllerMode);
This service indicates a CAN controller state transition to the corresponding upper layer module (mainly the CAN State Manager module).
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函数 <User_TrcvModeIndication> [SWS_CANIF_00693] 📄 PDF
void <User_TrcvModeIndication> (uint8 TransceiverId, CanTrcv_TrcvModeType TransceiverMode);
This service indicates a CAN transceiver state transition to the corresponding upper layer module (mainly the CAN State Manager module).
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类型 CanIf_ConfigType [SWS_CANIF_00144] 📄 PDF
This type defines a data structure for the post build parameters of the CAN interface for all underlying CAN drivers. At initialization the CanIf gets a pointer to a structure of this type to get access to its configuration data, which is necessary for initialization.
类型 CanIf_PduModeType [SWS_CANIF_00137] 📄 PDF
The PduMode of a channel defines its transmit or receive activity. Communication direction (transmission and/or reception) of the channel can be controlled separately or together by upper layers.
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类型 CanIf_NotifStatusType [SWS_CANIF_00201] 📄 PDF
Type CanIf_NotifStatusType.
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Request a governed re-review of this record. The record is not changed immediately.
- Record
AUTOSAR/AP/record/CP_MOD_CanIf- Status
- unspecified
- Version
AUTOSAR/AP/record/CP_MOD_CanIf@rel:R20-11#2969cd21- Content hash
2969cd21- Source
- https://www.autosar.org/fileadmin/standards/R20-11/CP/AUTOSAR_SWS_CANInterface.pdf#nameddest=SWS_CANIF_00001
gemini-3.8-flash-low· 2026-10-13 · 德文原文