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Diffstat (limited to 'bsps/arm/imxrt/include/fsl_flexcan.h')
| -rw-r--r-- | bsps/arm/imxrt/include/fsl_flexcan.h | 1422 |
1 files changed, 1422 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/include/fsl_flexcan.h b/bsps/arm/imxrt/include/fsl_flexcan.h new file mode 100644 index 0000000000..78efc7d94c --- /dev/null +++ b/bsps/arm/imxrt/include/fsl_flexcan.h @@ -0,0 +1,1422 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2020 NXP + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef _FSL_FLEXCAN_H_ +#define _FSL_FLEXCAN_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup flexcan_driver + * @{ + */ + +/****************************************************************************** + * Definitions + *****************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief FlexCAN driver version. */ +#define FSL_FLEXCAN_DRIVER_VERSION (MAKE_VERSION(2, 5, 2)) +/*@}*/ + +#if !(defined(FLEXCAN_WAIT_TIMEOUT) && FLEXCAN_WAIT_TIMEOUT) +/* Define to 1000 means keep waiting 1000 times until the flag is assert/deassert. */ +#define FLEXCAN_WAIT_TIMEOUT (1000U) +#endif + +/*! @brief FlexCAN Frame ID helper macro. */ +#define FLEXCAN_ID_STD(id) \ + (((uint32_t)(((uint32_t)(id)) << CAN_ID_STD_SHIFT)) & CAN_ID_STD_MASK) /*!< Standard Frame ID helper macro. */ +#define FLEXCAN_ID_EXT(id) \ + (((uint32_t)(((uint32_t)(id)) << CAN_ID_EXT_SHIFT)) & \ + (CAN_ID_EXT_MASK | CAN_ID_STD_MASK)) /*!< Extend Frame ID helper macro. */ + +/*! @brief FlexCAN Rx Message Buffer Mask helper macro. */ +#define FLEXCAN_RX_MB_STD_MASK(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \ + FLEXCAN_ID_STD(id)) /*!< Standard Rx Message Buffer Mask helper macro. */ +#define FLEXCAN_RX_MB_EXT_MASK(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \ + FLEXCAN_ID_EXT(id)) /*!< Extend Rx Message Buffer Mask helper macro. */ + +/*! @brief FlexCAN Rx FIFO Mask helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_A(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \ + (FLEXCAN_ID_STD(id) << 1)) /*!< Standard Rx FIFO Mask helper macro Type A helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_HIGH(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \ + (((uint32_t)(id)&0x7FF) << 19)) /*!< Standard Rx FIFO Mask helper macro Type B upper part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_LOW(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 15) | (uint32_t)((uint32_t)(ide) << 14)) | \ + (((uint32_t)(id)&0x7FF) << 3)) /*!< Standard Rx FIFO Mask helper macro Type B lower part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_HIGH(id) \ + (((uint32_t)(id)&0x7F8) << 21) /*!< Standard Rx FIFO Mask helper macro Type C upper part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_HIGH(id) \ + (((uint32_t)(id)&0x7F8) << 13) /*!< Standard Rx FIFO Mask helper macro Type C mid-upper part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_LOW(id) \ + (((uint32_t)(id)&0x7F8) << 5) /*!< Standard Rx FIFO Mask helper macro Type C mid-lower part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_LOW(id) \ + (((uint32_t)(id)&0x7F8) >> 3) /*!< Standard Rx FIFO Mask helper macro Type C lower part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_A(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \ + (FLEXCAN_ID_EXT(id) << 1)) /*!< Extend Rx FIFO Mask helper macro Type A helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_HIGH(id, rtr, ide) \ + ( \ + ((uint32_t)((uint32_t)(rtr) << 31) | (uint32_t)((uint32_t)(ide) << 30)) | \ + ((FLEXCAN_ID_EXT(id) & 0x1FFF8000) \ + << 1)) /*!< Extend Rx FIFO Mask helper macro Type B upper part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_LOW(id, rtr, ide) \ + (((uint32_t)((uint32_t)(rtr) << 15) | (uint32_t)((uint32_t)(ide) << 14)) | \ + ((FLEXCAN_ID_EXT(id) & 0x1FFF8000) >> \ + 15)) /*!< Extend Rx FIFO Mask helper macro Type B lower part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_HIGH(id) \ + ((FLEXCAN_ID_EXT(id) & 0x1FE00000) << 3) /*!< Extend Rx FIFO Mask helper macro Type C upper part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_HIGH(id) \ + ((FLEXCAN_ID_EXT(id) & 0x1FE00000) >> \ + 5) /*!< Extend Rx FIFO Mask helper macro Type C mid-upper part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_LOW(id) \ + ((FLEXCAN_ID_EXT(id) & 0x1FE00000) >> \ + 13) /*!< Extend Rx FIFO Mask helper macro Type C mid-lower part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_LOW(id) \ + ((FLEXCAN_ID_EXT(id) & 0x1FE00000) >> 21) /*!< Extend Rx FIFO Mask helper macro Type C lower part helper macro. */ + +/*! @brief FlexCAN Rx FIFO Filter helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_A(id, rtr, ide) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_A(id, rtr, ide) /*!< Standard Rx FIFO Filter helper macro Type A helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_B_HIGH(id, rtr, ide) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_HIGH( \ + id, rtr, ide) /*!< Standard Rx FIFO Filter helper macro Type B upper part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_B_LOW(id, rtr, ide) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_B_LOW( \ + id, rtr, ide) /*!< Standard Rx FIFO Filter helper macro Type B lower part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_HIGH(id) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_HIGH( \ + id) /*!< Standard Rx FIFO Filter helper macro Type C upper part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_MID_HIGH(id) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_HIGH( \ + id) /*!< Standard Rx FIFO Filter helper macro Type C mid-upper part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_MID_LOW(id) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_MID_LOW( \ + id) /*!< Standard Rx FIFO Filter helper macro Type C mid-lower part helper macro. */ +#define FLEXCAN_RX_FIFO_STD_FILTER_TYPE_C_LOW(id) \ + FLEXCAN_RX_FIFO_STD_MASK_TYPE_C_LOW( \ + id) /*!< Standard Rx FIFO Filter helper macro Type C lower part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_A(id, rtr, ide) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_A(id, rtr, ide) /*!< Extend Rx FIFO Filter helper macro Type A helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_B_HIGH(id, rtr, ide) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_HIGH( \ + id, rtr, ide) /*!< Extend Rx FIFO Filter helper macro Type B upper part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_B_LOW(id, rtr, ide) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_B_LOW( \ + id, rtr, ide) /*!< Extend Rx FIFO Filter helper macro Type B lower part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_HIGH(id) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_HIGH( \ + id) /*!< Extend Rx FIFO Filter helper macro Type C upper part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_MID_HIGH(id) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_HIGH( \ + id) /*!< Extend Rx FIFO Filter helper macro Type C mid-upper part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_MID_LOW(id) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_MID_LOW( \ + id) /*!< Extend Rx FIFO Filter helper macro Type C mid-lower part helper macro. */ +#define FLEXCAN_RX_FIFO_EXT_FILTER_TYPE_C_LOW(id) \ + FLEXCAN_RX_FIFO_EXT_MASK_TYPE_C_LOW(id) /*!< Extend Rx FIFO Filter helper macro Type C lower part helper macro. */ + +/*! @brief FlexCAN transfer status. */ +enum +{ + kStatus_FLEXCAN_TxBusy = MAKE_STATUS(kStatusGroup_FLEXCAN, 0), /*!< Tx Message Buffer is Busy. */ + kStatus_FLEXCAN_TxIdle = MAKE_STATUS(kStatusGroup_FLEXCAN, 1), /*!< Tx Message Buffer is Idle. */ + kStatus_FLEXCAN_TxSwitchToRx = MAKE_STATUS( + kStatusGroup_FLEXCAN, 2), /*!< Remote Message is send out and Message buffer changed to Receive one. */ + kStatus_FLEXCAN_RxBusy = MAKE_STATUS(kStatusGroup_FLEXCAN, 3), /*!< Rx Message Buffer is Busy. */ + kStatus_FLEXCAN_RxIdle = MAKE_STATUS(kStatusGroup_FLEXCAN, 4), /*!< Rx Message Buffer is Idle. */ + kStatus_FLEXCAN_RxOverflow = MAKE_STATUS(kStatusGroup_FLEXCAN, 5), /*!< Rx Message Buffer is Overflowed. */ + kStatus_FLEXCAN_RxFifoBusy = MAKE_STATUS(kStatusGroup_FLEXCAN, 6), /*!< Rx Message FIFO is Busy. */ + kStatus_FLEXCAN_RxFifoIdle = MAKE_STATUS(kStatusGroup_FLEXCAN, 7), /*!< Rx Message FIFO is Idle. */ + kStatus_FLEXCAN_RxFifoOverflow = MAKE_STATUS(kStatusGroup_FLEXCAN, 8), /*!< Rx Message FIFO is overflowed. */ + kStatus_FLEXCAN_RxFifoWarning = MAKE_STATUS(kStatusGroup_FLEXCAN, 9), /*!< Rx Message FIFO is almost overflowed. */ + kStatus_FLEXCAN_ErrorStatus = MAKE_STATUS(kStatusGroup_FLEXCAN, 10), /*!< FlexCAN Module Error and Status. */ + kStatus_FLEXCAN_WakeUp = MAKE_STATUS(kStatusGroup_FLEXCAN, 11), /*!< FlexCAN is waken up from STOP mode. */ + kStatus_FLEXCAN_UnHandled = MAKE_STATUS(kStatusGroup_FLEXCAN, 12), /*!< UnHadled Interrupt asserted. */ + kStatus_FLEXCAN_RxRemote = MAKE_STATUS(kStatusGroup_FLEXCAN, 13), /*!< Rx Remote Message Received in Mail box. */ +}; + +/*! @brief FlexCAN frame format. */ +typedef enum _flexcan_frame_format +{ + kFLEXCAN_FrameFormatStandard = 0x0U, /*!< Standard frame format attribute. */ + kFLEXCAN_FrameFormatExtend = 0x1U, /*!< Extend frame format attribute. */ +} flexcan_frame_format_t; + +/*! @brief FlexCAN frame type. */ +typedef enum _flexcan_frame_type +{ + kFLEXCAN_FrameTypeData = 0x0U, /*!< Data frame type attribute. */ + kFLEXCAN_FrameTypeRemote = 0x1U, /*!< Remote frame type attribute. */ +} flexcan_frame_type_t; + +/*! @brief FlexCAN clock source. + * @deprecated Do not use the kFLEXCAN_ClkSrcOs. It has been superceded kFLEXCAN_ClkSrc0 + * @deprecated Do not use the kFLEXCAN_ClkSrcPeri. It has been superceded kFLEXCAN_ClkSrc1 + */ +typedef enum _flexcan_clock_source +{ + kFLEXCAN_ClkSrcOsc = 0x0U, /*!< FlexCAN Protocol Engine clock from Oscillator. */ + kFLEXCAN_ClkSrcPeri = 0x1U, /*!< FlexCAN Protocol Engine clock from Peripheral Clock. */ + kFLEXCAN_ClkSrc0 = 0x0U, /*!< FlexCAN Protocol Engine clock selected by user as SRC == 0. */ + kFLEXCAN_ClkSrc1 = 0x1U, /*!< FlexCAN Protocol Engine clock selected by user as SRC == 1. */ +} flexcan_clock_source_t; + +/*! @brief FlexCAN wake up source. */ +typedef enum _flexcan_wake_up_source +{ + kFLEXCAN_WakeupSrcUnfiltered = 0x0U, /*!< FlexCAN uses unfiltered Rx input to detect edge. */ + kFLEXCAN_WakeupSrcFiltered = 0x1U, /*!< FlexCAN uses filtered Rx input to detect edge. */ +} flexcan_wake_up_source_t; + +/*! @brief FlexCAN Rx Fifo Filter type. */ +typedef enum _flexcan_rx_fifo_filter_type +{ + kFLEXCAN_RxFifoFilterTypeA = 0x0U, /*!< One full ID (standard and extended) per ID Filter element. */ + kFLEXCAN_RxFifoFilterTypeB = + 0x1U, /*!< Two full standard IDs or two partial 14-bit ID slices per ID Filter Table element. */ + kFLEXCAN_RxFifoFilterTypeC = + 0x2U, /*!< Four partial 8-bit Standard or extended ID slices per ID Filter Table element. */ + kFLEXCAN_RxFifoFilterTypeD = 0x3U, /*!< All frames rejected. */ +} flexcan_rx_fifo_filter_type_t; + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief FlexCAN Message Buffer Data Size. + */ +typedef enum _flexcan_mb_size +{ + kFLEXCAN_8BperMB = 0x0U, /*!< Selects 8 bytes per Message Buffer. */ + kFLEXCAN_16BperMB = 0x1U, /*!< Selects 16 bytes per Message Buffer. */ + kFLEXCAN_32BperMB = 0x2U, /*!< Selects 32 bytes per Message Buffer. */ + kFLEXCAN_64BperMB = 0x3U, /*!< Selects 64 bytes per Message Buffer. */ +} flexcan_mb_size_t; +#endif + +/*! + * @brief FlexCAN Rx FIFO priority. + * + * The matching process starts from the Rx MB(or Rx FIFO) with higher priority. + * If no MB(or Rx FIFO filter) is satisfied, the matching process goes on with + * the Rx FIFO(or Rx MB) with lower priority. + */ +typedef enum _flexcan_rx_fifo_priority +{ + kFLEXCAN_RxFifoPrioLow = 0x0U, /*!< Matching process start from Rx Message Buffer first*/ + kFLEXCAN_RxFifoPrioHigh = 0x1U, /*!< Matching process start from Rx FIFO first*/ +} flexcan_rx_fifo_priority_t; + +/*! + * @brief FlexCAN interrupt configuration structure, default settings all disabled. + * + * This structure contains the settings for all of the FlexCAN Module interrupt configurations. + * Note: FlexCAN Message Buffers and Rx FIFO have their own interrupts. + */ +enum _flexcan_interrupt_enable +{ + kFLEXCAN_BusOffInterruptEnable = CAN_CTRL1_BOFFMSK_MASK, /*!< Bus Off interrupt. */ + kFLEXCAN_ErrorInterruptEnable = CAN_CTRL1_ERRMSK_MASK, /*!< Error interrupt. */ + kFLEXCAN_RxWarningInterruptEnable = CAN_CTRL1_RWRNMSK_MASK, /*!< Rx Warning interrupt. */ + kFLEXCAN_TxWarningInterruptEnable = CAN_CTRL1_TWRNMSK_MASK, /*!< Tx Warning interrupt. */ + kFLEXCAN_WakeUpInterruptEnable = CAN_MCR_WAKMSK_MASK, /*!< Wake Up interrupt. */ +}; + +/*! + * @brief FlexCAN status flags. + * + * This provides constants for the FlexCAN status flags for use in the FlexCAN functions. + * Note: The CPU read action clears FlEXCAN_ErrorFlag, therefore user need to + * read FlEXCAN_ErrorFlag and distinguish which error is occur using + * @ref _flexcan_error_flags enumerations. + */ +enum _flexcan_flags +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + kFLEXCAN_FDErrorIntFlag = CAN_ESR1_ERRINT_FAST_MASK, /*!< Error Overrun Status. */ + kFLEXCAN_BusoffDoneIntFlag = CAN_ESR1_BOFFDONEINT_MASK, /*!< Error Overrun Status. */ +#endif + kFLEXCAN_SynchFlag = CAN_ESR1_SYNCH_MASK, /*!< CAN Synchronization Status. */ + kFLEXCAN_TxWarningIntFlag = CAN_ESR1_TWRNINT_MASK, /*!< Tx Warning Interrupt Flag. */ + kFLEXCAN_RxWarningIntFlag = CAN_ESR1_RWRNINT_MASK, /*!< Rx Warning Interrupt Flag. */ + kFLEXCAN_TxErrorWarningFlag = CAN_ESR1_TXWRN_MASK, /*!< Tx Error Warning Status. */ + kFLEXCAN_RxErrorWarningFlag = CAN_ESR1_RXWRN_MASK, /*!< Rx Error Warning Status. */ + kFLEXCAN_IdleFlag = CAN_ESR1_IDLE_MASK, /*!< CAN IDLE Status Flag. */ + kFLEXCAN_FaultConfinementFlag = CAN_ESR1_FLTCONF_MASK, /*!< Fault Confinement State Flag. */ + kFLEXCAN_TransmittingFlag = CAN_ESR1_TX_MASK, /*!< FlexCAN In Transmission Status. */ + kFLEXCAN_ReceivingFlag = CAN_ESR1_RX_MASK, /*!< FlexCAN In Reception Status. */ + kFLEXCAN_BusOffIntFlag = CAN_ESR1_BOFFINT_MASK, /*!< Bus Off Interrupt Flag. */ + kFLEXCAN_ErrorIntFlag = CAN_ESR1_ERRINT_MASK, /*!< Error Interrupt Flag. */ + kFLEXCAN_WakeUpIntFlag = CAN_ESR1_WAKINT_MASK, /*!< Wake-Up Interrupt Flag. */ + kFLEXCAN_ErrorFlag = (int)( /*!< All FlexCAN Error Status. */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + CAN_ESR1_STFERR_FAST_MASK | CAN_ESR1_FRMERR_FAST_MASK | CAN_ESR1_CRCERR_FAST_MASK | + CAN_ESR1_BIT0ERR_FAST_MASK | CAN_ESR1_BIT1ERR_FAST_MASK | CAN_ESR1_ERROVR_MASK | +#endif + CAN_ESR1_BIT1ERR_MASK | CAN_ESR1_BIT0ERR_MASK | CAN_ESR1_ACKERR_MASK | + CAN_ESR1_CRCERR_MASK | CAN_ESR1_FRMERR_MASK | CAN_ESR1_STFERR_MASK), +}; + +/*! + * @brief FlexCAN error status flags. + * + * The FlexCAN Error Status enumerations is used to report current error of the FlexCAN bus. + * This enumerations should be used with KFLEXCAN_ErrorFlag in @ref _flexcan_flags enumerations + * to ditermine which error is generated. + */ +enum _flexcan_error_flags +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + kFLEXCAN_FDStuffingError = CAN_ESR1_STFERR_FAST_MASK, /*!< Stuffing Error. */ + kFLEXCAN_FDFormError = CAN_ESR1_FRMERR_FAST_MASK, /*!< Form Error. */ + kFLEXCAN_FDCrcError = CAN_ESR1_CRCERR_FAST_MASK, /*!< Cyclic Redundancy Check Error. */ + kFLEXCAN_FDBit0Error = CAN_ESR1_BIT0ERR_FAST_MASK, /*!< Unable to send dominant bit. */ + kFLEXCAN_FDBit1Error = (int)CAN_ESR1_BIT1ERR_FAST_MASK, /*!< Unable to send recessive bit. */ + kFLEXCAN_OverrunError = CAN_ESR1_ERROVR_MASK, /*!< Error Overrun Status. */ +#endif + kFLEXCAN_StuffingError = CAN_ESR1_STFERR_MASK, /*!< Stuffing Error. */ + kFLEXCAN_FormError = CAN_ESR1_FRMERR_MASK, /*!< Form Error. */ + kFLEXCAN_CrcError = CAN_ESR1_CRCERR_MASK, /*!< Cyclic Redundancy Check Error. */ + kFLEXCAN_AckError = CAN_ESR1_ACKERR_MASK, /*!< Received no ACK on transmission. */ + kFLEXCAN_Bit0Error = CAN_ESR1_BIT0ERR_MASK, /*!< Unable to send dominant bit. */ + kFLEXCAN_Bit1Error = CAN_ESR1_BIT1ERR_MASK, /*!< Unable to send recessive bit. */ +}; + +/*! + * @brief FlexCAN Rx FIFO status flags. + * + * The FlexCAN Rx FIFO Status enumerations are used to determine the status of the + * Rx FIFO. Because Rx FIFO occupy the MB0 ~ MB7 (Rx Fifo filter also occupies + * more Message Buffer space), Rx FIFO status flags are mapped to the corresponding + * Message Buffer status flags. + */ +enum +{ + kFLEXCAN_RxFifoOverflowFlag = CAN_IFLAG1_BUF7I_MASK, /*!< Rx FIFO overflow flag. */ + kFLEXCAN_RxFifoWarningFlag = CAN_IFLAG1_BUF6I_MASK, /*!< Rx FIFO almost full flag. */ + kFLEXCAN_RxFifoFrameAvlFlag = CAN_IFLAG1_BUF5I_MASK, /*!< Frames available in Rx FIFO flag. */ +}; + +#if defined(__CC_ARM) +#pragma anon_unions +#endif +/*! @brief FlexCAN message frame structure. */ +typedef struct _flexcan_frame +{ + struct + { + uint32_t timestamp : 16; /*!< FlexCAN internal Free-Running Counter Time Stamp. */ + uint32_t length : 4; /*!< CAN frame payload length in bytes(Range: 0~8). */ + uint32_t type : 1; /*!< CAN Frame Type(DATA or REMOTE). */ + uint32_t format : 1; /*!< CAN Frame Identifier(STD or EXT format). */ + uint32_t : 1; /*!< Reserved. */ + uint32_t idhit : 9; /*!< CAN Rx FIFO filter hit id(This value is only used in Rx FIFO receive mode). */ + }; + struct + { + uint32_t id : 29; /*!< CAN Frame Identifier, should be set using FLEXCAN_ID_EXT() or FLEXCAN_ID_STD() macro. */ + uint32_t : 3; /*!< Reserved. */ + }; + union + { + struct + { + uint32_t dataWord0; /*!< CAN Frame payload word0. */ + uint32_t dataWord1; /*!< CAN Frame payload word1. */ + }; + struct + { + uint8_t dataByte3; /*!< CAN Frame payload byte3. */ + uint8_t dataByte2; /*!< CAN Frame payload byte2. */ + uint8_t dataByte1; /*!< CAN Frame payload byte1. */ + uint8_t dataByte0; /*!< CAN Frame payload byte0. */ + uint8_t dataByte7; /*!< CAN Frame payload byte7. */ + uint8_t dataByte6; /*!< CAN Frame payload byte6. */ + uint8_t dataByte5; /*!< CAN Frame payload byte5. */ + uint8_t dataByte4; /*!< CAN Frame payload byte4. */ + }; + }; +} flexcan_frame_t; + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! @brief CAN FDmessage frame structure. */ +typedef struct _flexcan_fd_frame +{ + struct + { + uint32_t timestamp : 16; /*!< FlexCAN internal Free-Running Counter Time Stamp. */ + uint32_t length : 4; /*!< CAN frame payload length in bytes(Range: 0~8). */ + uint32_t type : 1; /*!< CAN Frame Type(DATA or REMOTE). */ + uint32_t format : 1; /*!< CAN Frame Identifier(STD or EXT format). */ + uint32_t srr : 1; /*!< Substitute Remote request. */ + uint32_t : 1; + uint32_t code : 4; /*!< Message Buffer Code. */ + uint32_t : 1; + uint32_t esi : 1; /*!< Error State Indicator. */ + uint32_t brs : 1; /*!< Bit Rate Switch. */ + uint32_t edl : 1; /*!< Extended Data Length. */ + }; + struct + { + uint32_t id : 29; /*!< CAN Frame Identifier, should be set using FLEXCAN_ID_EXT() or FLEXCAN_ID_STD() macro. */ + uint32_t : 3; /*!< Reserved. */ + }; + union + { + struct + { + uint32_t dataWord[16]; /*!< CAN FD Frame payload, 16 double word maximum. */ + }; + /* Note: the maximum databyte* below is actually 64, user can add them if needed, + or just use dataWord[*] instead. */ + struct + { + uint8_t dataByte3; /*!< CAN Frame payload byte3. */ + uint8_t dataByte2; /*!< CAN Frame payload byte2. */ + uint8_t dataByte1; /*!< CAN Frame payload byte1. */ + uint8_t dataByte0; /*!< CAN Frame payload byte0. */ + uint8_t dataByte7; /*!< CAN Frame payload byte7. */ + uint8_t dataByte6; /*!< CAN Frame payload byte6. */ + uint8_t dataByte5; /*!< CAN Frame payload byte5. */ + uint8_t dataByte4; /*!< CAN Frame payload byte4. */ + }; + }; +} flexcan_fd_frame_t; +#endif + +/*! @brief FlexCAN protocol timing characteristic configuration structure. */ +typedef struct _flexcan_timing_config +{ + uint16_t preDivider; /*!< Clock Pre-scaler Division Factor. */ + uint8_t rJumpwidth; /*!< Re-sync Jump Width. */ + uint8_t phaseSeg1; /*!< Phase Segment 1. */ + uint8_t phaseSeg2; /*!< Phase Segment 2. */ + uint8_t propSeg; /*!< Propagation Segment. */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + uint16_t fpreDivider; /*!< Fast Clock Pre-scaler Division Factor. */ + uint8_t frJumpwidth; /*!< Fast Re-sync Jump Width. */ + uint8_t fphaseSeg1; /*!< Fast Phase Segment 1. */ + uint8_t fphaseSeg2; /*!< Fast Phase Segment 2. */ + uint8_t fpropSeg; /*!< Fast Propagation Segment. */ +#endif +} flexcan_timing_config_t; + +/*! @brief FlexCAN module configuration structure. */ +typedef struct _flexcan_config +{ + uint32_t baudRate; /*!< FlexCAN baud rate in bps. */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + uint32_t baudRateFD; /*!< FlexCAN FD baud rate in bps. */ +#endif + flexcan_clock_source_t clkSrc; /*!< Clock source for FlexCAN Protocol Engine. */ + flexcan_wake_up_source_t wakeupSrc; /*!< Wake up source selection. */ + uint8_t maxMbNum; /*!< The maximum number of Message Buffers used by user. */ + bool enableLoopBack; /*!< Enable or Disable Loop Back Self Test Mode. */ + bool enableTimerSync; /*!< Enable or Disable Timer Synchronization. */ + bool enableSelfWakeup; /*!< Enable or Disable Self Wakeup Mode. */ + bool enableIndividMask; /*!< Enable or Disable Rx Individual Mask. */ + bool disableSelfReception; /*!< Enable or Disable Self Reflection. */ + bool enableListenOnlyMode; /*!< Enable or Disable Listen Only Mode. */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_DOZE_MODE_SUPPORT) && FSL_FEATURE_FLEXCAN_HAS_DOZE_MODE_SUPPORT) + bool enableDoze; /*!< Enable or Disable Doze Mode. */ +#endif + flexcan_timing_config_t timingConfig; /* Protocol timing . */ +} flexcan_config_t; + +/*! + * @brief FlexCAN Receive Message Buffer configuration structure + * + * This structure is used as the parameter of FLEXCAN_SetRxMbConfig() function. + * The FLEXCAN_SetRxMbConfig() function is used to configure FlexCAN Receive + * Message Buffer. The function abort previous receiving process, clean the + * Message Buffer and activate the Rx Message Buffer using given Message Buffer + * setting. + */ +typedef struct _flexcan_rx_mb_config +{ + uint32_t id; /*!< CAN Message Buffer Frame Identifier, should be set using + FLEXCAN_ID_EXT() or FLEXCAN_ID_STD() macro. */ + flexcan_frame_format_t format; /*!< CAN Frame Identifier format(Standard of Extend). */ + flexcan_frame_type_t type; /*!< CAN Frame Type(Data or Remote). */ +} flexcan_rx_mb_config_t; + +/*! @brief FlexCAN Rx FIFO configuration structure. */ +typedef struct _flexcan_rx_fifo_config +{ + uint32_t *idFilterTable; /*!< Pointer to the FlexCAN Rx FIFO identifier filter table. */ + uint8_t idFilterNum; /*!< The quantity of filter elements. */ + flexcan_rx_fifo_filter_type_t idFilterType; /*!< The FlexCAN Rx FIFO Filter type. */ + flexcan_rx_fifo_priority_t priority; /*!< The FlexCAN Rx FIFO receive priority. */ +} flexcan_rx_fifo_config_t; + +/*! @brief FlexCAN Message Buffer transfer. */ +typedef struct _flexcan_mb_transfer +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + flexcan_fd_frame_t *framefd; +#endif + flexcan_frame_t *frame; /*!< The buffer of CAN Message to be transfer. */ + uint8_t mbIdx; /*!< The index of Message buffer used to transfer Message. */ +} flexcan_mb_transfer_t; + +/*! @brief FlexCAN Rx FIFO transfer. */ +typedef struct _flexcan_fifo_transfer +{ + flexcan_frame_t *frame; /*!< The buffer of CAN Message to be received from Rx FIFO. */ +} flexcan_fifo_transfer_t; + +/*! @brief FlexCAN handle structure definition. */ +typedef struct _flexcan_handle flexcan_handle_t; + +/*! @brief FlexCAN transfer callback function. + * + * The FlexCAN transfer callback returns a value from the underlying layer. + * If the status equals to kStatus_FLEXCAN_ErrorStatus, the result parameter is the Content of + * FlexCAN status register which can be used to get the working status(or error status) of FlexCAN module. + * If the status equals to other FlexCAN Message Buffer transfer status, the result is the index of + * Message Buffer that generate transfer event. + * If the status equals to other FlexCAN Message Buffer transfer status, the result is meaningless and should be + * Ignored. + */ +typedef void (*flexcan_transfer_callback_t)( + CAN_Type *base, flexcan_handle_t *handle, status_t status, uint32_t result, void *userData); + +/*! @brief FlexCAN handle structure. */ +struct _flexcan_handle +{ + flexcan_transfer_callback_t callback; /*!< Callback function. */ + void *userData; /*!< FlexCAN callback function parameter.*/ + flexcan_frame_t *volatile mbFrameBuf[CAN_WORD1_COUNT]; +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) + flexcan_fd_frame_t *volatile mbFDFrameBuf[CAN_WORD1_COUNT]; +#endif + /*!< The buffer for received data from Message Buffers. */ + flexcan_frame_t *volatile rxFifoFrameBuf; /*!< The buffer for received data from Rx FIFO. */ + volatile uint8_t mbState[CAN_WORD1_COUNT]; /*!< Message Buffer transfer state. */ + volatile uint8_t rxFifoState; /*!< Rx FIFO transfer state. */ + volatile uint32_t timestamp[CAN_WORD1_COUNT]; /*!< Mailbox transfer timestamp. */ +}; + +/****************************************************************************** + * API + *****************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @name Initialization and deinitialization + * @{ + */ + +/*! + * @brief Enter FlexCAN Freeze Mode. + * + * This function makes the FlexCAN work under Freeze Mode. + * + * @param base FlexCAN peripheral base address. + */ +void FLEXCAN_EnterFreezeMode(CAN_Type *base); + +/*! + * @brief Exit FlexCAN Freeze Mode. + * + * This function makes the FlexCAN leave Freeze Mode. + * + * @param base FlexCAN peripheral base address. + */ +void FLEXCAN_ExitFreezeMode(CAN_Type *base); + +/*! + * @brief Get the FlexCAN instance from peripheral base address. + * + * @param base FlexCAN peripheral base address. + * @return FlexCAN instance. + */ +uint32_t FLEXCAN_GetInstance(CAN_Type *base); +/*! + * @brief Calculates the improved timing values by specific baudrates for classical CAN + * + * @param baudRate The classical CAN speed in bps defined by user + * @param sourceClock_Hz The Source clock data speed in bps. Zero to disable baudrate switching + * @param pTimingConfig Pointer to the FlexCAN timing configuration structure. + * + * @return TRUE if timing configuration found, FALSE if failed to find configuration + */ +bool FLEXCAN_CalculateImprovedTimingValues(uint32_t baudRate, + uint32_t sourceClock_Hz, + flexcan_timing_config_t *pTimingConfig); + +/*! + * @brief Initializes a FlexCAN instance. + * + * This function initializes the FlexCAN module with user-defined settings. + * This example shows how to set up the flexcan_config_t parameters and how + * to call the FLEXCAN_Init function by passing in these parameters. + * @code + * flexcan_config_t flexcanConfig; + * flexcanConfig.clkSrc = kFLEXCAN_ClkSrc0; + * flexcanConfig.baudRate = 1000000U; + * flexcanConfig.maxMbNum = 16; + * flexcanConfig.enableLoopBack = false; + * flexcanConfig.enableSelfWakeup = false; + * flexcanConfig.enableIndividMask = false; + * flexcanConfig.enableDoze = false; + * flexcanConfig.disableSelfReception = false; + * flexcanConfig.enableListenOnlyMode = false; + * flexcanConfig.timingConfig = timingConfig; + * FLEXCAN_Init(CAN0, &flexcanConfig, 8000000UL); + * @endcode + * + * @param base FlexCAN peripheral base address. + * @param pConfig Pointer to the user-defined configuration structure. + * @param sourceClock_Hz FlexCAN Protocol Engine clock source frequency in Hz. + */ +void FLEXCAN_Init(CAN_Type *base, const flexcan_config_t *pConfig, uint32_t sourceClock_Hz); + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief Calculates the improved timing values by specific baudrates for CANFD + * + * @param baudRate The CANFD bus control speed in bps defined by user + * @param baudRateFD The CANFD bus data speed in bps defined by user + * @param sourceClock_Hz The Source clock data speed in bps. Zero to disable baudrate switching + * @param pTimingConfig Pointer to the FlexCAN timing configuration structure. + * + * @return TRUE if timing configuration found, FALSE if failed to find configuration + */ +bool FLEXCAN_FDCalculateImprovedTimingValues(uint32_t baudRate, + uint32_t baudRateFD, + uint32_t sourceClock_Hz, + flexcan_timing_config_t *pTimingConfig); +/*! + * @brief Initializes a FlexCAN instance. + * + * This function initializes the FlexCAN module with user-defined settings. + * This example shows how to set up the flexcan_config_t parameters and how + * to call the FLEXCAN_FDInit function by passing in these parameters. + * @code + * flexcan_config_t flexcanConfig; + * flexcanConfig.clkSrc = kFLEXCAN_ClkSrc0; + * flexcanConfig.baudRate = 1000000U; + * flexcanConfig.baudRateFD = 2000000U; + * flexcanConfig.maxMbNum = 16; + * flexcanConfig.enableLoopBack = false; + * flexcanConfig.enableSelfWakeup = false; + * flexcanConfig.enableIndividMask = false; + * flexcanConfig.disableSelfReception = false; + * flexcanConfig.enableListenOnlyMode = false; + * flexcanConfig.enableDoze = false; + * flexcanConfig.timingConfig = timingConfig; + * FLEXCAN_FDInit(CAN0, &flexcanConfig, 8000000UL, kFLEXCAN_16BperMB, false); + * @endcode + * + * @param base FlexCAN peripheral base address. + * @param pConfig Pointer to the user-defined configuration structure. + * @param sourceClock_Hz FlexCAN Protocol Engine clock source frequency in Hz. + * @param dataSize FlexCAN FD frame payload size. + * @param brs If bitrate switch is enabled in FD mode. + */ +void FLEXCAN_FDInit( + CAN_Type *base, const flexcan_config_t *pConfig, uint32_t sourceClock_Hz, flexcan_mb_size_t dataSize, bool brs); +#endif + +/*! + * @brief De-initializes a FlexCAN instance. + * + * This function disables the FlexCAN module clock and sets all register values + * to the reset value. + * + * @param base FlexCAN peripheral base address. + */ +void FLEXCAN_Deinit(CAN_Type *base); + +/*! + * @brief Gets the default configuration structure. + * + * This function initializes the FlexCAN configuration structure to default values. The default + * values are as follows. + * flexcanConfig->clkSrc = kFLEXCAN_ClkSrc0; + * flexcanConfig->baudRate = 1000000U; + * flexcanConfig->baudRateFD = 2000000U; + * flexcanConfig->maxMbNum = 16; + * flexcanConfig->enableLoopBack = false; + * flexcanConfig->enableSelfWakeup = false; + * flexcanConfig->enableIndividMask = false; + * flexcanConfig->disableSelfReception = false; + * flexcanConfig->enableListenOnlyMode = false; + * flexcanConfig->enableDoze = false; + * flexcanConfig.timingConfig = timingConfig; + * + * @param pConfig Pointer to the FlexCAN configuration structure. + */ +void FLEXCAN_GetDefaultConfig(flexcan_config_t *pConfig); + +/* @} */ + +/*! + * @name Configuration. + * @{ + */ + +/*! + * @brief Sets the FlexCAN protocol timing characteristic. + * + * This function gives user settings to CAN bus timing characteristic. + * The function is for an experienced user. For less experienced users, call + * the FLEXCAN_Init() and fill the baud rate field with a desired value. + * This provides the default timing characteristics to the module. + * + * Note that calling FLEXCAN_SetTimingConfig() overrides the baud rate set + * in FLEXCAN_Init(). + * + * @param base FlexCAN peripheral base address. + * @param pConfig Pointer to the timing configuration structure. + */ +void FLEXCAN_SetTimingConfig(CAN_Type *base, const flexcan_timing_config_t *pConfig); + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief Sets the FlexCAN FD protocol timing characteristic. + * + * This function gives user settings to CAN bus timing characteristic. + * The function is for an experienced user. For less experienced users, call + * the FLEXCAN_Init() and fill the baud rate field with a desired value. + * This provides the default timing characteristics to the module. + * + * Note that calling FLEXCAN_SetFDTimingConfig() overrides the baud rate set + * in FLEXCAN_Init(). + * + * @param base FlexCAN peripheral base address. + * @param pConfig Pointer to the timing configuration structure. + */ +void FLEXCAN_SetFDTimingConfig(CAN_Type *base, const flexcan_timing_config_t *pConfig); +#endif + +/*! + * @brief Sets the FlexCAN receive message buffer global mask. + * + * This function sets the global mask for the FlexCAN message buffer in a matching process. + * The configuration is only effective when the Rx individual mask is disabled in the FLEXCAN_Init(). + * + * @param base FlexCAN peripheral base address. + * @param mask Rx Message Buffer Global Mask value. + */ +void FLEXCAN_SetRxMbGlobalMask(CAN_Type *base, uint32_t mask); + +/*! + * @brief Sets the FlexCAN receive FIFO global mask. + * + * This function sets the global mask for FlexCAN FIFO in a matching process. + * + * @param base FlexCAN peripheral base address. + * @param mask Rx Fifo Global Mask value. + */ +void FLEXCAN_SetRxFifoGlobalMask(CAN_Type *base, uint32_t mask); + +/*! + * @brief Sets the FlexCAN receive individual mask. + * + * This function sets the individual mask for the FlexCAN matching process. + * The configuration is only effective when the Rx individual mask is enabled in the FLEXCAN_Init(). + * If the Rx FIFO is disabled, the individual mask is applied to the corresponding Message Buffer. + * If the Rx FIFO is enabled, the individual mask for Rx FIFO occupied Message Buffer is applied to + * the Rx Filter with the same index. Note that only the first 32 + * individual masks can be used as the Rx FIFO filter mask. + * + * @param base FlexCAN peripheral base address. + * @param maskIdx The Index of individual Mask. + * @param mask Rx Individual Mask value. + */ +void FLEXCAN_SetRxIndividualMask(CAN_Type *base, uint8_t maskIdx, uint32_t mask); + +/*! + * @brief Configures a FlexCAN transmit message buffer. + * + * This function aborts the previous transmission, cleans the Message Buffer, and + * configures it as a Transmit Message Buffer. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The Message Buffer index. + * @param enable Enable/disable Tx Message Buffer. + * - true: Enable Tx Message Buffer. + * - false: Disable Tx Message Buffer. + */ +void FLEXCAN_SetTxMbConfig(CAN_Type *base, uint8_t mbIdx, bool enable); + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief Configures a FlexCAN transmit message buffer. + * + * This function aborts the previous transmission, cleans the Message Buffer, and + * configures it as a Transmit Message Buffer. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The Message Buffer index. + * @param enable Enable/disable Tx Message Buffer. + * - true: Enable Tx Message Buffer. + * - false: Disable Tx Message Buffer. + */ +void FLEXCAN_SetFDTxMbConfig(CAN_Type *base, uint8_t mbIdx, bool enable); +#endif + +/*! + * @brief Configures a FlexCAN Receive Message Buffer. + * + * This function cleans a FlexCAN build-in Message Buffer and configures it + * as a Receive Message Buffer. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The Message Buffer index. + * @param pRxMbConfig Pointer to the FlexCAN Message Buffer configuration structure. + * @param enable Enable/disable Rx Message Buffer. + * - true: Enable Rx Message Buffer. + * - false: Disable Rx Message Buffer. + */ +void FLEXCAN_SetRxMbConfig(CAN_Type *base, uint8_t mbIdx, const flexcan_rx_mb_config_t *pRxMbConfig, bool enable); + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief Configures a FlexCAN Receive Message Buffer. + * + * This function cleans a FlexCAN build-in Message Buffer and configures it + * as a Receive Message Buffer. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The Message Buffer index. + * @param pRxMbConfig Pointer to the FlexCAN Message Buffer configuration structure. + * @param enable Enable/disable Rx Message Buffer. + * - true: Enable Rx Message Buffer. + * - false: Disable Rx Message Buffer. + */ +void FLEXCAN_SetFDRxMbConfig(CAN_Type *base, uint8_t mbIdx, const flexcan_rx_mb_config_t *pRxMbConfig, bool enable); +#endif + +/*! + * @brief Configures the FlexCAN Rx FIFO. + * + * This function configures the Rx FIFO with given Rx FIFO configuration. + * + * @param base FlexCAN peripheral base address. + * @param pRxFifoConfig Pointer to the FlexCAN Rx FIFO configuration structure. + * @param enable Enable/disable Rx FIFO. + * - true: Enable Rx FIFO. + * - false: Disable Rx FIFO. + */ +void FLEXCAN_SetRxFifoConfig(CAN_Type *base, const flexcan_rx_fifo_config_t *pRxFifoConfig, bool enable); + +/* @} */ + +/*! + * @name Status + * @{ + */ + +/*! + * @brief Gets the FlexCAN module interrupt flags. + * + * This function gets all FlexCAN status flags. The flags are returned as the logical + * OR value of the enumerators @ref _flexcan_flags. To check the specific status, + * compare the return value with enumerators in @ref _flexcan_flags. + * + * @param base FlexCAN peripheral base address. + * @return FlexCAN status flags which are ORed by the enumerators in the _flexcan_flags. + */ +static inline uint32_t FLEXCAN_GetStatusFlags(CAN_Type *base) +{ + return base->ESR1; +} + +/*! + * @brief Clears status flags with the provided mask. + * + * This function clears the FlexCAN status flags with a provided mask. An automatically cleared flag + * can't be cleared by this function. + * + * @param base FlexCAN peripheral base address. + * @param mask The status flags to be cleared, it is logical OR value of @ref _flexcan_flags. + */ +static inline void FLEXCAN_ClearStatusFlags(CAN_Type *base, uint32_t mask) +{ + /* Write 1 to clear status flag. */ + base->ESR1 = mask; +} + +/*! + * @brief Gets the FlexCAN Bus Error Counter value. + * + * This function gets the FlexCAN Bus Error Counter value for both Tx and + * Rx direction. These values may be needed in the upper layer error handling. + * + * @param base FlexCAN peripheral base address. + * @param txErrBuf Buffer to store Tx Error Counter value. + * @param rxErrBuf Buffer to store Rx Error Counter value. + */ +static inline void FLEXCAN_GetBusErrCount(CAN_Type *base, uint8_t *txErrBuf, uint8_t *rxErrBuf) +{ + if (NULL != txErrBuf) + { + *txErrBuf = (uint8_t)((base->ECR & CAN_ECR_TXERRCNT_MASK) >> CAN_ECR_TXERRCNT_SHIFT); + } + + if (NULL != rxErrBuf) + { + *rxErrBuf = (uint8_t)((base->ECR & CAN_ECR_RXERRCNT_MASK) >> CAN_ECR_RXERRCNT_SHIFT); + } +} + +/*! + * @brief Gets the FlexCAN Message Buffer interrupt flags. + * + * This function gets the interrupt flags of a given Message Buffers. + * + * @param base FlexCAN peripheral base address. + * @param mask The ORed FlexCAN Message Buffer mask. + * @return The status of given Message Buffers. + */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) +static inline uint64_t FLEXCAN_GetMbStatusFlags(CAN_Type *base, uint64_t mask) +#else +static inline uint32_t FLEXCAN_GetMbStatusFlags(CAN_Type *base, uint32_t mask) +#endif +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) + uint64_t tempflag = (uint64_t)base->IFLAG1; + return (tempflag | (((uint64_t)base->IFLAG2) << 32)) & mask; +#else + return (base->IFLAG1 & mask); +#endif +} + +/*! + * @brief Clears the FlexCAN Message Buffer interrupt flags. + * + * This function clears the interrupt flags of a given Message Buffers. + * + * @param base FlexCAN peripheral base address. + * @param mask The ORed FlexCAN Message Buffer mask. + */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) +static inline void FLEXCAN_ClearMbStatusFlags(CAN_Type *base, uint64_t mask) +#else +static inline void FLEXCAN_ClearMbStatusFlags(CAN_Type *base, uint32_t mask) +#endif +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) + base->IFLAG1 = (uint32_t)(mask & 0xFFFFFFFFU); + base->IFLAG2 = (uint32_t)(mask >> 32); +#else + base->IFLAG1 = mask; +#endif +} + +/* @} */ + +/*! + * @name Interrupts + * @{ + */ + +/*! + * @brief Enables FlexCAN interrupts according to the provided mask. + * + * This function enables the FlexCAN interrupts according to the provided mask. The mask + * is a logical OR of enumeration members, see @ref _flexcan_interrupt_enable. + * + * @param base FlexCAN peripheral base address. + * @param mask The interrupts to enable. Logical OR of @ref _flexcan_interrupt_enable. + */ +static inline void FLEXCAN_EnableInterrupts(CAN_Type *base, uint32_t mask) +{ + /* Solve Wake Up Interrupt. */ + if ((uint32_t)kFLEXCAN_WakeUpInterruptEnable == (mask & (uint32_t)kFLEXCAN_WakeUpInterruptEnable)) + { + base->MCR |= CAN_MCR_WAKMSK_MASK; + } + + /* Solve others. */ + base->CTRL1 |= (mask & (~((uint32_t)kFLEXCAN_WakeUpInterruptEnable))); +} + +/*! + * @brief Disables FlexCAN interrupts according to the provided mask. + * + * This function disables the FlexCAN interrupts according to the provided mask. The mask + * is a logical OR of enumeration members, see @ref _flexcan_interrupt_enable. + * + * @param base FlexCAN peripheral base address. + * @param mask The interrupts to disable. Logical OR of @ref _flexcan_interrupt_enable. + */ +static inline void FLEXCAN_DisableInterrupts(CAN_Type *base, uint32_t mask) +{ + /* Solve Wake Up Interrupt. */ + if ((uint32_t)kFLEXCAN_WakeUpInterruptEnable == (mask & (uint32_t)kFLEXCAN_WakeUpInterruptEnable)) + { + base->MCR &= ~CAN_MCR_WAKMSK_MASK; + } + + /* Solve others. */ + base->CTRL1 &= ~(mask & (~((uint32_t)kFLEXCAN_WakeUpInterruptEnable))); +} + +/*! + * @brief Enables FlexCAN Message Buffer interrupts. + * + * This function enables the interrupts of given Message Buffers. + * + * @param base FlexCAN peripheral base address. + * @param mask The ORed FlexCAN Message Buffer mask. + */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) +static inline void FLEXCAN_EnableMbInterrupts(CAN_Type *base, uint64_t mask) +#else +static inline void FLEXCAN_EnableMbInterrupts(CAN_Type *base, uint32_t mask) +#endif +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) + base->IMASK1 |= (uint32_t)(mask & 0xFFFFFFFFU); + base->IMASK2 |= (uint32_t)(mask >> 32); +#else + base->IMASK1 |= mask; +#endif +} + +/*! + * @brief Disables FlexCAN Message Buffer interrupts. + * + * This function disables the interrupts of given Message Buffers. + * + * @param base FlexCAN peripheral base address. + * @param mask The ORed FlexCAN Message Buffer mask. + */ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) +static inline void FLEXCAN_DisableMbInterrupts(CAN_Type *base, uint64_t mask) +#else +static inline void FLEXCAN_DisableMbInterrupts(CAN_Type *base, uint32_t mask) +#endif +{ +#if (defined(FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER)) && (FSL_FEATURE_FLEXCAN_HAS_EXTENDED_FLAG_REGISTER > 0) + base->IMASK1 &= ~((uint32_t)(mask & 0xFFFFFFFFU)); + base->IMASK2 &= ~((uint32_t)(mask >> 32)); +#else + base->IMASK1 &= ~mask; +#endif +} + +/* @} */ + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_RX_FIFO_DMA) && FSL_FEATURE_FLEXCAN_HAS_RX_FIFO_DMA) +/*! + * @name DMA Control + * @{ + */ + +/*! + * @brief Enables or disables the FlexCAN Rx FIFO DMA request. + * + * This function enables or disables the DMA feature of FlexCAN build-in Rx FIFO. + * + * @param base FlexCAN peripheral base address. + * @param enable true to enable, false to disable. + */ +void FLEXCAN_EnableRxFifoDMA(CAN_Type *base, bool enable); + +/*! + * @brief Gets the Rx FIFO Head address. + * + * This function returns the FlexCAN Rx FIFO Head address, which is mainly used for the DMA/eDMA use case. + * + * @param base FlexCAN peripheral base address. + * @return FlexCAN Rx FIFO Head address. + */ +static inline uint32_t FLEXCAN_GetRxFifoHeadAddr(CAN_Type *base) +{ + return (uint32_t) & (base->MB[0].CS); +} + +/* @} */ +#endif /* FSL_FEATURE_FLEXCAN_HAS_RX_FIFO_DMA */ + +/*! + * @name Bus Operations + * @{ + */ + +/*! + * @brief Enables or disables the FlexCAN module operation. + * + * This function enables or disables the FlexCAN module. + * + * @param base FlexCAN base pointer. + * @param enable true to enable, false to disable. + */ +static inline void FLEXCAN_Enable(CAN_Type *base, bool enable) +{ + if (enable) + { + base->MCR &= ~CAN_MCR_MDIS_MASK; + + /* Wait FlexCAN exit from low-power mode. */ + while (0U != (base->MCR & CAN_MCR_LPMACK_MASK)) + { + } + } + else + { + base->MCR |= CAN_MCR_MDIS_MASK; + + /* Wait FlexCAN enter low-power mode. */ + while (0U == (base->MCR & CAN_MCR_LPMACK_MASK)) + { + } + } +} + +/*! + * @brief Writes a FlexCAN Message to the Transmit Message Buffer. + * + * This function writes a CAN Message to the specified Transmit Message Buffer + * and changes the Message Buffer state to start CAN Message transmit. After + * that the function returns immediately. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The FlexCAN Message Buffer index. + * @param pTxFrame Pointer to CAN message frame to be sent. + * @retval kStatus_Success - Write Tx Message Buffer Successfully. + * @retval kStatus_Fail - Tx Message Buffer is currently in use. + */ +status_t FLEXCAN_WriteTxMb(CAN_Type *base, uint8_t mbIdx, const flexcan_frame_t *pTxFrame); + +/*! + * @brief Reads a FlexCAN Message from Receive Message Buffer. + * + * This function reads a CAN message from a specified Receive Message Buffer. + * The function fills a receive CAN message frame structure with + * just received data and activates the Message Buffer again. + * The function returns immediately. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The FlexCAN Message Buffer index. + * @param pRxFrame Pointer to CAN message frame structure for reception. + * @retval kStatus_Success - Rx Message Buffer is full and has been read successfully. + * @retval kStatus_FLEXCAN_RxOverflow - Rx Message Buffer is already overflowed and has been read successfully. + * @retval kStatus_Fail - Rx Message Buffer is empty. + */ +status_t FLEXCAN_ReadRxMb(CAN_Type *base, uint8_t mbIdx, flexcan_frame_t *pRxFrame); + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief Writes a FlexCAN FD Message to the Transmit Message Buffer. + * + * This function writes a CAN FD Message to the specified Transmit Message Buffer + * and changes the Message Buffer state to start CAN FD Message transmit. After + * that the function returns immediately. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The FlexCAN FD Message Buffer index. + * @param pTxFrame Pointer to CAN FD message frame to be sent. + * @retval kStatus_Success - Write Tx Message Buffer Successfully. + * @retval kStatus_Fail - Tx Message Buffer is currently in use. + */ +status_t FLEXCAN_WriteFDTxMb(CAN_Type *base, uint8_t mbIdx, const flexcan_fd_frame_t *pTxFrame); + +/*! + * @brief Reads a FlexCAN FD Message from Receive Message Buffer. + * + * This function reads a CAN FD message from a specified Receive Message Buffer. + * The function fills a receive CAN FD message frame structure with + * just received data and activates the Message Buffer again. + * The function returns immediately. + * + * @param base FlexCAN peripheral base address. + * @param mbIdx The FlexCAN FD Message Buffer index. + * @param pRxFrame Pointer to CAN FD message frame structure for reception. + * @retval kStatus_Success - Rx Message Buffer is full and has been read successfully. + * @retval kStatus_FLEXCAN_RxOverflow - Rx Message Buffer is already overflowed and has been read successfully. + * @retval kStatus_Fail - Rx Message Buffer is empty. + */ +status_t FLEXCAN_ReadFDRxMb(CAN_Type *base, uint8_t mbIdx, flexcan_fd_frame_t *pRxFrame); +#endif + +/*! + * @brief Reads a FlexCAN Message from Rx FIFO. + * + * This function reads a CAN message from the FlexCAN build-in Rx FIFO. + * + * @param base FlexCAN peripheral base address. + * @param pRxFrame Pointer to CAN message frame structure for reception. + * @retval kStatus_Success - Read Message from Rx FIFO successfully. + * @retval kStatus_Fail - Rx FIFO is not enabled. + */ +status_t FLEXCAN_ReadRxFifo(CAN_Type *base, flexcan_frame_t *pRxFrame); + +/* @} */ + +/*! + * @name Transactional + * @{ + */ + +#if (defined(FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) && FSL_FEATURE_FLEXCAN_HAS_FLEXIBLE_DATA_RATE) +/*! + * @brief Performs a polling send transaction on the CAN bus. + * + * Note that a transfer handle does not need to be created before calling this API. + * + * @param base FlexCAN peripheral base pointer. + * @param mbIdx The FlexCAN FD Message Buffer index. + * @param pTxFrame Pointer to CAN FD message frame to be sent. + * @retval kStatus_Success - Write Tx Message Buffer Successfully. + * @retval kStatus_Fail - Tx Message Buffer is currently in use. + */ +status_t FLEXCAN_TransferFDSendBlocking(CAN_Type *base, uint8_t mbIdx, flexcan_fd_frame_t *pTxFrame); + +/*! + * @brief Performs a polling receive transaction on the CAN bus. + * + * Note that a transfer handle does not need to be created before calling this API. + * + * @param base FlexCAN peripheral base pointer. + * @param mbIdx The FlexCAN FD Message Buffer index. + * @param pRxFrame Pointer to CAN FD message frame structure for reception. + * @retval kStatus_Success - Rx Message Buffer is full and has been read successfully. + * @retval kStatus_FLEXCAN_RxOverflow - Rx Message Buffer is already overflowed and has been read successfully. + * @retval kStatus_Fail - Rx Message Buffer is empty. + */ +status_t FLEXCAN_TransferFDReceiveBlocking(CAN_Type *base, uint8_t mbIdx, flexcan_fd_frame_t *pRxFrame); + +/*! + * @brief Sends a message using IRQ. + * + * This function sends a message using IRQ. This is a non-blocking function, which returns + * right away. When messages have been sent out, the send callback function is called. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param pMbXfer FlexCAN FD Message Buffer transfer structure. See the #flexcan_mb_transfer_t. + * @retval kStatus_Success Start Tx Message Buffer sending process successfully. + * @retval kStatus_Fail Write Tx Message Buffer failed. + * @retval kStatus_FLEXCAN_TxBusy Tx Message Buffer is in use. + */ +status_t FLEXCAN_TransferFDSendNonBlocking(CAN_Type *base, flexcan_handle_t *handle, flexcan_mb_transfer_t *pMbXfer); + +/*! + * @brief Receives a message using IRQ. + * + * This function receives a message using IRQ. This is non-blocking function, which returns + * right away. When the message has been received, the receive callback function is called. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param pMbXfer FlexCAN FD Message Buffer transfer structure. See the #flexcan_mb_transfer_t. + * @retval kStatus_Success - Start Rx Message Buffer receiving process successfully. + * @retval kStatus_FLEXCAN_RxBusy - Rx Message Buffer is in use. + */ +status_t FLEXCAN_TransferFDReceiveNonBlocking(CAN_Type *base, flexcan_handle_t *handle, flexcan_mb_transfer_t *pMbXfer); + +/*! + * @brief Aborts the interrupt driven message send process. + * + * This function aborts the interrupt driven message send process. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param mbIdx The FlexCAN FD Message Buffer index. + */ +void FLEXCAN_TransferFDAbortSend(CAN_Type *base, flexcan_handle_t *handle, uint8_t mbIdx); + +/*! + * @brief Aborts the interrupt driven message receive process. + * + * This function aborts the interrupt driven message receive process. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param mbIdx The FlexCAN FD Message Buffer index. + */ +void FLEXCAN_TransferFDAbortReceive(CAN_Type *base, flexcan_handle_t *handle, uint8_t mbIdx); +#endif + +/*! + * @brief Performs a polling send transaction on the CAN bus. + * + * Note that a transfer handle does not need to be created before calling this API. + * + * @param base FlexCAN peripheral base pointer. + * @param mbIdx The FlexCAN Message Buffer index. + * @param pTxFrame Pointer to CAN message frame to be sent. + * @retval kStatus_Success - Write Tx Message Buffer Successfully. + * @retval kStatus_Fail - Tx Message Buffer is currently in use. + */ +status_t FLEXCAN_TransferSendBlocking(CAN_Type *base, uint8_t mbIdx, flexcan_frame_t *pTxFrame); + +/*! + * @brief Performs a polling receive transaction on the CAN bus. + * + * Note that a transfer handle does not need to be created before calling this API. + * + * @param base FlexCAN peripheral base pointer. + * @param mbIdx The FlexCAN Message Buffer index. + * @param pRxFrame Pointer to CAN message frame structure for reception. + * @retval kStatus_Success - Rx Message Buffer is full and has been read successfully. + * @retval kStatus_FLEXCAN_RxOverflow - Rx Message Buffer is already overflowed and has been read successfully. + * @retval kStatus_Fail - Rx Message Buffer is empty. + */ +status_t FLEXCAN_TransferReceiveBlocking(CAN_Type *base, uint8_t mbIdx, flexcan_frame_t *pRxFrame); + +/*! + * @brief Performs a polling receive transaction from Rx FIFO on the CAN bus. + * + * Note that a transfer handle does not need to be created before calling this API. + * + * @param base FlexCAN peripheral base pointer. + * @param pRxFrame Pointer to CAN message frame structure for reception. + * @retval kStatus_Success - Read Message from Rx FIFO successfully. + * @retval kStatus_Fail - Rx FIFO is not enabled. + */ +status_t FLEXCAN_TransferReceiveFifoBlocking(CAN_Type *base, flexcan_frame_t *pRxFrame); + +/*! + * @brief Initializes the FlexCAN handle. + * + * This function initializes the FlexCAN handle, which can be used for other FlexCAN + * transactional APIs. Usually, for a specified FlexCAN instance, + * call this API once to get the initialized handle. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param callback The callback function. + * @param userData The parameter of the callback function. + */ +void FLEXCAN_TransferCreateHandle(CAN_Type *base, + flexcan_handle_t *handle, + flexcan_transfer_callback_t callback, + void *userData); + +/*! + * @brief Sends a message using IRQ. + * + * This function sends a message using IRQ. This is a non-blocking function, which returns + * right away. When messages have been sent out, the send callback function is called. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param pMbXfer FlexCAN Message Buffer transfer structure. See the #flexcan_mb_transfer_t. + * @retval kStatus_Success Start Tx Message Buffer sending process successfully. + * @retval kStatus_Fail Write Tx Message Buffer failed. + * @retval kStatus_FLEXCAN_TxBusy Tx Message Buffer is in use. + */ +status_t FLEXCAN_TransferSendNonBlocking(CAN_Type *base, flexcan_handle_t *handle, flexcan_mb_transfer_t *pMbXfer); + +/*! + * @brief Receives a message using IRQ. + * + * This function receives a message using IRQ. This is non-blocking function, which returns + * right away. When the message has been received, the receive callback function is called. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param pMbXfer FlexCAN Message Buffer transfer structure. See the #flexcan_mb_transfer_t. + * @retval kStatus_Success - Start Rx Message Buffer receiving process successfully. + * @retval kStatus_FLEXCAN_RxBusy - Rx Message Buffer is in use. + */ +status_t FLEXCAN_TransferReceiveNonBlocking(CAN_Type *base, flexcan_handle_t *handle, flexcan_mb_transfer_t *pMbXfer); + +/*! + * @brief Receives a message from Rx FIFO using IRQ. + * + * This function receives a message using IRQ. This is a non-blocking function, which returns + * right away. When all messages have been received, the receive callback function is called. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param pFifoXfer FlexCAN Rx FIFO transfer structure. See the @ref flexcan_fifo_transfer_t. + * @retval kStatus_Success - Start Rx FIFO receiving process successfully. + * @retval kStatus_FLEXCAN_RxFifoBusy - Rx FIFO is currently in use. + */ +status_t FLEXCAN_TransferReceiveFifoNonBlocking(CAN_Type *base, + flexcan_handle_t *handle, + flexcan_fifo_transfer_t *pFifoXfer); + +/*! + * @brief Gets the detail index of Mailbox's Timestamp by handle. + * + * Then function can only be used when calling non-blocking Data transfer (TX/RX) API, + * After TX/RX data transfer done (User can get the status by handler's callback function), + * we can get the detail index of Mailbox's timestamp by handle, + * Detail non-blocking data transfer API (TX/RX) contain. + * -FLEXCAN_TransferSendNonBlocking + * -FLEXCAN_TransferFDSendNonBlocking + * -FLEXCAN_TransferReceiveNonBlocking + * -FLEXCAN_TransferFDReceiveNonBlocking + * -FLEXCAN_TransferReceiveFifoNonBlocking + * + * @param handle FlexCAN handle pointer. + * @param mbIdx The FlexCAN FD Message Buffer index. + * @retval the index of mailbox 's timestamp stored in the handle. + * + */ +uint32_t FLEXCAN_GetTimeStamp(flexcan_handle_t *handle, uint8_t mbIdx); + +/*! + * @brief Aborts the interrupt driven message send process. + * + * This function aborts the interrupt driven message send process. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param mbIdx The FlexCAN Message Buffer index. + */ +void FLEXCAN_TransferAbortSend(CAN_Type *base, flexcan_handle_t *handle, uint8_t mbIdx); + +/*! + * @brief Aborts the interrupt driven message receive process. + * + * This function aborts the interrupt driven message receive process. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + * @param mbIdx The FlexCAN Message Buffer index. + */ +void FLEXCAN_TransferAbortReceive(CAN_Type *base, flexcan_handle_t *handle, uint8_t mbIdx); + +/*! + * @brief Aborts the interrupt driven message receive from Rx FIFO process. + * + * This function aborts the interrupt driven message receive from Rx FIFO process. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + */ +void FLEXCAN_TransferAbortReceiveFifo(CAN_Type *base, flexcan_handle_t *handle); + +/*! + * @brief FlexCAN IRQ handle function. + * + * This function handles the FlexCAN Error, the Message Buffer, and the Rx FIFO IRQ request. + * + * @param base FlexCAN peripheral base address. + * @param handle FlexCAN handle pointer. + */ +void FLEXCAN_TransferHandleIRQ(CAN_Type *base, flexcan_handle_t *handle); + +/* @} */ + +#if defined(__cplusplus) +} +#endif + +/*! @}*/ + +#endif /* _FSL_FLEXCAN_H_ */ |