/**************************************************************************//** * @file can.h * @version V2.00 * @brief NUC980 Series CAN Driver Header File * * SPDX-License-Identifier: Apache-2.0 * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. ******************************************************************************/ #ifndef __NU_CAN_H__ #define __NU_CAN_H__ #include "nuc980.h" /** @addtogroup Standard_Driver Standard Driver @{ */ /** @addtogroup CAN_Driver CAN Driver @{ */ /** @addtogroup CAN_EXPORTED_CONSTANTS CAN Exported Constants @{ */ /*---------------------------------------------------------------------------------------------------------*/ /* CAN Test Mode Constant Definitions */ /*---------------------------------------------------------------------------------------------------------*/ #define CAN_NORMAL_MODE 0ul /*!< CAN select normal mode \hideinitializer */ #define CAN_BASIC_MODE 1ul /*!< CAN select basic mode \hideinitializer */ /*---------------------------------------------------------------------------------------------------------*/ /* Message ID Type Constant Definitions */ /*---------------------------------------------------------------------------------------------------------*/ #define CAN_STD_ID 0ul /*!< CAN select standard ID \hideinitializer */ #define CAN_EXT_ID 1ul /*!< CAN select extended ID \hideinitializer */ /*---------------------------------------------------------------------------------------------------------*/ /* Message Frame Type Constant Definitions */ /*---------------------------------------------------------------------------------------------------------*/ #define CAN_REMOTE_FRAME 0ul /*!< CAN frame select remote frame \hideinitializer */ #define CAN_DATA_FRAME 1ul /*!< CAN frame select data frame \hideinitializer */ /*@}*/ /* end of group CAN_EXPORTED_CONSTANTS */ typedef struct { __IO uint32_t CREQ; /*!< [0x0020] IFn Command Request Register */ __IO uint32_t CMASK; /*!< [0x0024] IFn Command Mask Register */ __IO uint32_t MASK1; /*!< [0x0028] IFn Mask 1 Register */ __IO uint32_t MASK2; /*!< [0x002c] IFn Mask 2 Register */ __IO uint32_t ARB1; /*!< [0x0030] IFn Arbitration 1 Register */ __IO uint32_t ARB2; /*!< [0x0034] IFn Arbitration 2 Register */ __IO uint32_t MCON; /*!< [0x0038] IFn Message Control Register */ __IO uint32_t DAT_A1; /*!< [0x003c] IFn Data A1 Register */ __IO uint32_t DAT_A2; /*!< [0x0040] IFn Data A2 Register */ __IO uint32_t DAT_B1; /*!< [0x0044] IFn Data B1 Register */ __IO uint32_t DAT_B2; /*!< [0x0048] IFn Data B2 Register */ __I uint32_t RESERVE0[13]; } CAN_IF_T; typedef struct { __IO uint32_t CON; /*!< [0x0000] Control Register */ __IO uint32_t STATUS; /*!< [0x0004] Status Register */ __I uint32_t ERR; /*!< [0x0008] Error Counter Register */ __IO uint32_t BTIME; /*!< [0x000c] Bit Timing Register */ __I uint32_t IIDR; /*!< [0x0010] Interrupt Identifier Register */ __IO uint32_t TEST; /*!< [0x0014] Test Register */ __IO uint32_t BRPE; /*!< [0x0018] Baud Rate Prescaler Extension Register */ __I uint32_t RESERVE0[1]; __IO CAN_IF_T IF[2]; __I uint32_t RESERVE2[8]; __I uint32_t TXREQ1; /*!< [0x0100] Transmission Request Register 1 */ __I uint32_t TXREQ2; /*!< [0x0104] Transmission Request Register 2 */ __I uint32_t RESERVE3[6]; __I uint32_t NDAT1; /*!< [0x0120] New Data Register 1 */ __I uint32_t NDAT2; /*!< [0x0124] New Data Register 2 */ __I uint32_t RESERVE4[6]; __I uint32_t IPND1; /*!< [0x0140] Interrupt Pending Register 1 */ __I uint32_t IPND2; /*!< [0x0144] Interrupt Pending Register 2 */ __I uint32_t RESERVE5[6]; __I uint32_t MVLD1; /*!< [0x0160] Message Valid Register 1 */ __I uint32_t MVLD2; /*!< [0x0164] Message Valid Register 2 */ __IO uint32_t WU_EN; /*!< [0x0168] Wake-up Enable Control Register */ __IO uint32_t WU_STATUS; /*!< [0x016c] Wake-up Status Register */ } CAN_T; #define CAN_CON_INIT_Pos (0) /*!< CAN_T::CON: Init Position */ #define CAN_CON_INIT_Msk (0x1ul << CAN_CON_INIT_Pos) /*!< CAN_T::CON: Init Mask */ #define CAN_CON_IE_Pos (1) /*!< CAN_T::CON: IE Position */ #define CAN_CON_IE_Msk (0x1ul << CAN_CON_IE_Pos) /*!< CAN_T::CON: IE Mask */ #define CAN_CON_SIE_Pos (2) /*!< CAN_T::CON: SIE Position */ #define CAN_CON_SIE_Msk (0x1ul << CAN_CON_SIE_Pos) /*!< CAN_T::CON: SIE Mask */ #define CAN_CON_EIE_Pos (3) /*!< CAN_T::CON: EIE Position */ #define CAN_CON_EIE_Msk (0x1ul << CAN_CON_EIE_Pos) /*!< CAN_T::CON: EIE Mask */ #define CAN_CON_DAR_Pos (5) /*!< CAN_T::CON: DAR Position */ #define CAN_CON_DAR_Msk (0x1ul << CAN_CON_DAR_Pos) /*!< CAN_T::CON: DAR Mask */ #define CAN_CON_CCE_Pos (6) /*!< CAN_T::CON: CCE Position */ #define CAN_CON_CCE_Msk (0x1ul << CAN_CON_CCE_Pos) /*!< CAN_T::CON: CCE Mask */ #define CAN_CON_TEST_Pos (7) /*!< CAN_T::CON: Test Position */ #define CAN_CON_TEST_Msk (0x1ul << CAN_CON_TEST_Pos) /*!< CAN_T::CON: Test Mask */ #define CAN_STATUS_LEC_Pos (0) /*!< CAN_T::STATUS: LEC Position */ #define CAN_STATUS_LEC_Msk (0x7ul << CAN_STATUS_LEC_Pos) /*!< CAN_T::STATUS: LEC Mask */ #define CAN_STATUS_TXOK_Pos (3) /*!< CAN_T::STATUS: TxOK Position */ #define CAN_STATUS_TXOK_Msk (0x1ul << CAN_STATUS_TXOK_Pos) /*!< CAN_T::STATUS: TxOK Mask */ #define CAN_STATUS_RXOK_Pos (4) /*!< CAN_T::STATUS: RxOK Position */ #define CAN_STATUS_RXOK_Msk (0x1ul << CAN_STATUS_RXOK_Pos) /*!< CAN_T::STATUS: RxOK Mask */ #define CAN_STATUS_EPASS_Pos (5) /*!< CAN_T::STATUS: EPass Position */ #define CAN_STATUS_EPASS_Msk (0x1ul << CAN_STATUS_EPASS_Pos) /*!< CAN_T::STATUS: EPass Mask */ #define CAN_STATUS_EWARN_Pos (6) /*!< CAN_T::STATUS: EWarn Position */ #define CAN_STATUS_EWARN_Msk (0x1ul << CAN_STATUS_EWARN_Pos) /*!< CAN_T::STATUS: EWarn Mask */ #define CAN_STATUS_BOFF_Pos (7) /*!< CAN_T::STATUS: BOff Position */ #define CAN_STATUS_BOFF_Msk (0x1ul << CAN_STATUS_BOFF_Pos) /*!< CAN_T::STATUS: BOff Mask */ #define CAN_ERR_TEC_Pos (0) /*!< CAN_T::ERR: TEC Position */ #define CAN_ERR_TEC_Msk (0xfful << CAN_ERR_TEC_Pos) /*!< CAN_T::ERR: TEC Mask */ #define CAN_ERR_REC_Pos (8) /*!< CAN_T::ERR: REC Position */ #define CAN_ERR_REC_Msk (0x7ful << CAN_ERR_REC_Pos) /*!< CAN_T::ERR: REC Mask */ #define CAN_ERR_RP_Pos (15) /*!< CAN_T::ERR: RP Position */ #define CAN_ERR_RP_Msk (0x1ul << CAN_ERR_RP_Pos) /*!< CAN_T::ERR: RP Mask */ #define CAN_BTIME_BRP_Pos (0) /*!< CAN_T::BTIME: BRP Position */ #define CAN_BTIME_BRP_Msk (0x3ful << CAN_BTIME_BRP_Pos) /*!< CAN_T::BTIME: BRP Mask */ #define CAN_BTIME_SJW_Pos (6) /*!< CAN_T::BTIME: SJW Position */ #define CAN_BTIME_SJW_Msk (0x3ul << CAN_BTIME_SJW_Pos) /*!< CAN_T::BTIME: SJW Mask */ #define CAN_BTIME_TSEG1_Pos (8) /*!< CAN_T::BTIME: TSeg1 Position */ #define CAN_BTIME_TSEG1_Msk (0xful << CAN_BTIME_TSEG1_Pos) /*!< CAN_T::BTIME: TSeg1 Mask */ #define CAN_BTIME_TSEG2_Pos (12) /*!< CAN_T::BTIME: TSeg2 Position */ #define CAN_BTIME_TSEG2_Msk (0x7ul << CAN_BTIME_TSEG2_Pos) /*!< CAN_T::BTIME: TSeg2 Mask */ #define CAN_IIDR_IntId_Pos (0) /*!< CAN_T::IIDR: IntId Position */ #define CAN_IIDR_IntId_Msk (0xfffful << CAN_IIDR_IntId_Pos) /*!< CAN_T::IIDR: IntId Mask */ #define CAN_TEST_BASIC_Pos (2) /*!< CAN_T::TEST: Basic Position */ #define CAN_TEST_BASIC_Msk (0x1ul << CAN_TEST_BASIC_Pos) /*!< CAN_T::TEST: Basic Mask */ #define CAN_TEST_SILENT_Pos (3) /*!< CAN_T::TEST: Silent Position */ #define CAN_TEST_SILENT_Msk (0x1ul << CAN_TEST_SILENT_Pos) /*!< CAN_T::TEST: Silent Mask */ #define CAN_TEST_LBACK_Pos (4) /*!< CAN_T::TEST: LBack Position */ #define CAN_TEST_LBACK_Msk (0x1ul << CAN_TEST_LBACK_Pos) /*!< CAN_T::TEST: LBack Mask */ #define CAN_TEST_Tx_Pos (5) /*!< CAN_T::TEST: Tx Position */ #define CAN_TEST_Tx_Msk (0x3ul << CAN_TEST_Tx_Pos) /*!< CAN_T::TEST: Tx Mask */ #define CAN_TEST_Rx_Pos (7) /*!< CAN_T::TEST: Rx Position */ #define CAN_TEST_Rx_Msk (0x1ul << CAN_TEST_Rx_Pos) /*!< CAN_T::TEST: Rx Mask */ #define CAN_BRPE_BRPE_Pos (0) /*!< CAN_T::BRPE: BRPE Position */ #define CAN_BRPE_BRPE_Msk (0xful << CAN_BRPE_BRPE_Pos) /*!< CAN_T::BRPE: BRPE Mask */ #define CAN_IF_CREQ_MSGNUM_Pos (0) /*!< CAN_IF_T::CREQ: MessageNumber Position*/ #define CAN_IF_CREQ_MSGNUM_Msk (0x3ful << CAN_IF_CREQ_MSGNUM_Pos) /*!< CAN_IF_T::CREQ: MessageNumber Mask */ #define CAN_IF_CREQ_BUSY_Pos (15) /*!< CAN_IF_T::CREQ: Busy Position */ #define CAN_IF_CREQ_BUSY_Msk (0x1ul << CAN_IF_CREQ_BUSY_Pos) /*!< CAN_IF_T::CREQ: Busy Mask */ #define CAN_IF_CMASK_DATAB_Pos (0) /*!< CAN_IF_T::CMASK: DAT_B Position */ #define CAN_IF_CMASK_DATAB_Msk (0x1ul << CAN_IF_CMASK_DATAB_Pos) /*!< CAN_IF_T::CMASK: DAT_B Mask */ #define CAN_IF_CMASK_DATAA_Pos (1) /*!< CAN_IF_T::CMASK: DAT_A Position */ #define CAN_IF_CMASK_DATAA_Msk (0x1ul << CAN_IF_CMASK_DATAA_Pos) /*!< CAN_IF_T::CMASK: DAT_A Mask */ #define CAN_IF_CMASK_TXRQSTNEWDAT_Pos (2) /*!< CAN_IF_T::CMASK: TxRqst_NewDat Position*/ #define CAN_IF_CMASK_TXRQSTNEWDAT_Msk (0x1ul << CAN_IF_CMASK_TXRQSTNEWDAT_Pos) /*!< CAN_IF_T::CMASK: TxRqst_NewDat Mask */ #define CAN_IF_CMASK_CLRINTPND_Pos (3) /*!< CAN_IF_T::CMASK: ClrIntPnd Position */ #define CAN_IF_CMASK_CLRINTPND_Msk (0x1ul << CAN_IF_CMASK_CLRINTPND_Pos) /*!< CAN_IF_T::CMASK: ClrIntPnd Mask */ #define CAN_IF_CMASK_CONTROL_Pos (4) /*!< CAN_IF_T::CMASK: Control Position */ #define CAN_IF_CMASK_CONTROL_Msk (0x1ul << CAN_IF_CMASK_CONTROL_Pos) /*!< CAN_IF_T::CMASK: Control Mask */ #define CAN_IF_CMASK_ARB_Pos (5) /*!< CAN_IF_T::CMASK: Arb Position */ #define CAN_IF_CMASK_ARB_Msk (0x1ul << CAN_IF_CMASK_ARB_Pos) /*!< CAN_IF_T::CMASK: Arb Mask */ #define CAN_IF_CMASK_MASK_Pos (6) /*!< CAN_IF_T::CMASK: Mask Position */ #define CAN_IF_CMASK_MASK_Msk (0x1ul << CAN_IF_CMASK_MASK_Pos) /*!< CAN_IF_T::CMASK: Mask Mask */ #define CAN_IF_CMASK_WRRD_Pos (7) /*!< CAN_IF_T::CMASK: WR_RD Position */ #define CAN_IF_CMASK_WRRD_Msk (0x1ul << CAN_IF_CMASK_WRRD_Pos) /*!< CAN_IF_T::CMASK: WR_RD Mask */ #define CAN_IF_MASK1_Msk_Pos (0) /*!< CAN_IF_T::MASK1: Msk Position */ #define CAN_IF_MASK1_Msk_Msk (0xfffful << CAN_IF_MASK1_Msk_Pos) /*!< CAN_IF_T::MASK1: Msk Mask */ #define CAN_IF_MASK2_Msk_Pos (0) /*!< CAN_IF_T::MASK2: Msk Position */ #define CAN_IF_MASK2_Msk_Msk (0x1ffful << CAN_IF_MASK2_Msk_Pos) /*!< CAN_IF_T::MASK2: Msk Mask */ #define CAN_IF_MASK2_MDIR_Pos (14) /*!< CAN_IF_T::MASK2: MDir Position */ #define CAN_IF_MASK2_MDIR_Msk (0x1ul << CAN_IF_MASK2_MDIR_Pos) /*!< CAN_IF_T::MASK2: MDir Mask */ #define CAN_IF_MASK2_MXTD_Pos (15) /*!< CAN_IF_T::MASK2: MXtd Position */ #define CAN_IF_MASK2_MXTD_Msk (0x1ul << CAN_IF_MASK2_MXTD_Pos) /*!< CAN_IF_T::MASK2: MXtd Mask */ #define CAN_IF_ARB1_ID_Pos (0) /*!< CAN_IF_T::ARB1: ID Position */ #define CAN_IF_ARB1_ID_Msk (0xfffful << CAN_IF_ARB1_ID_Pos) /*!< CAN_IF_T::ARB1: ID Mask */ #define CAN_IF_ARB2_ID_Pos (0) /*!< CAN_IF_T::ARB2: ID Position */ #define CAN_IF_ARB2_ID_Msk (0x1ffful << CAN_IF_ARB2_ID_Pos) /*!< CAN_IF_T::ARB2: ID Mask */ #define CAN_IF_ARB2_DIR_Pos (13) /*!< CAN_IF_T::ARB2: Dir Position */ #define CAN_IF_ARB2_DIR_Msk (0x1ul << CAN_IF_ARB2_DIR_Pos) /*!< CAN_IF_T::ARB2: Dir Mask */ #define CAN_IF_ARB2_XTD_Pos (14) /*!< CAN_IF_T::ARB2: Xtd Position */ #define CAN_IF_ARB2_XTD_Msk (0x1ul << CAN_IF_ARB2_XTD_Pos) /*!< CAN_IF_T::ARB2: Xtd Mask */ #define CAN_IF_ARB2_MSGVAL_Pos (15) /*!< CAN_IF_T::ARB2: MsgVal Position */ #define CAN_IF_ARB2_MSGVAL_Msk (0x1ul << CAN_IF_ARB2_MSGVAL_Pos) /*!< CAN_IF_T::ARB2: MsgVal Mask */ #define CAN_IF_MCON_DLC_Pos (0) /*!< CAN_IF_T::MCON: DLC Position */ #define CAN_IF_MCON_DLC_Msk (0xful << CAN_IF_MCON_DLC_Pos) /*!< CAN_IF_T::MCON: DLC Mask */ #define CAN_IF_MCON_EOB_Pos (7) /*!< CAN_IF_T::MCON: EoB Position */ #define CAN_IF_MCON_EOB_Msk (0x1ul << CAN_IF_MCON_EOB_Pos) /*!< CAN_IF_T::MCON: EoB Mask */ #define CAN_IF_MCON_TxRqst_Pos (8) /*!< CAN_IF_T::MCON: TxRqst Position */ #define CAN_IF_MCON_TxRqst_Msk (0x1ul << CAN_IF_MCON_TxRqst_Pos) /*!< CAN_IF_T::MCON: TxRqst Mask */ #define CAN_IF_MCON_RmtEn_Pos (9) /*!< CAN_IF_T::MCON: RmtEn Position */ #define CAN_IF_MCON_RmtEn_Msk (0x1ul << CAN_IF_MCON_RmtEn_Pos) /*!< CAN_IF_T::MCON: RmtEn Mask */ #define CAN_IF_MCON_RXIE_Pos (10) /*!< CAN_IF_T::MCON: RxIE Position */ #define CAN_IF_MCON_RXIE_Msk (0x1ul << CAN_IF_MCON_RXIE_Pos) /*!< CAN_IF_T::MCON: RxIE Mask */ #define CAN_IF_MCON_TXIE_Pos (11) /*!< CAN_IF_T::MCON: TxIE Position */ #define CAN_IF_MCON_TXIE_Msk (0x1ul << CAN_IF_MCON_TXIE_Pos) /*!< CAN_IF_T::MCON: TxIE Mask */ #define CAN_IF_MCON_UMASK_Pos (12) /*!< CAN_IF_T::MCON: UMask Position */ #define CAN_IF_MCON_UMASK_Msk (0x1ul << CAN_IF_MCON_UMASK_Pos) /*!< CAN_IF_T::MCON: UMask Mask */ #define CAN_IF_MCON_IntPnd_Pos (13) /*!< CAN_IF_T::MCON: IntPnd Position */ #define CAN_IF_MCON_IntPnd_Msk (0x1ul << CAN_IF_MCON_IntPnd_Pos) /*!< CAN_IF_T::MCON: IntPnd Mask */ #define CAN_IF_MCON_MsgLst_Pos (14) /*!< CAN_IF_T::MCON: MsgLst Position */ #define CAN_IF_MCON_MsgLst_Msk (0x1ul << CAN_IF_MCON_MsgLst_Pos) /*!< CAN_IF_T::MCON: MsgLst Mask */ #define CAN_IF_MCON_NEWDAT_Pos (15) /*!< CAN_IF_T::MCON: NewDat Position */ #define CAN_IF_MCON_NEWDAT_Msk (0x1ul << CAN_IF_MCON_NEWDAT_Pos) /*!< CAN_IF_T::MCON: NewDat Mask */ #define CAN_IF_DAT_A1_DATA0_Pos (0) /*!< CAN_IF_T::DAT_A1: Data_0_ Position */ #define CAN_IF_DAT_A1_DATA0_Msk (0xfful << CAN_IF_DAT_A1_DATA0_Pos) /*!< CAN_IF_T::DAT_A1: Data_0_ Mask */ #define CAN_IF_DAT_A1_DATA1_Pos (8) /*!< CAN_IF_T::DAT_A1: Data_1_ Position */ #define CAN_IF_DAT_A1_DATA1_Msk (0xfful << CAN_IF_DAT_A1_DATA1_Pos) /*!< CAN_IF_T::DAT_A1: Data_1_ Mask */ #define CAN_IF_DAT_A2_DATA2_Pos (0) /*!< CAN_IF_T::DAT_A2: Data_2_ Position */ #define CAN_IF_DAT_A2_DATA2_Msk (0xfful << CAN_IF_DAT_A2_DATA2_Pos) /*!< CAN_IF_T::DAT_A2: Data_2_ Mask */ #define CAN_IF_DAT_A2_DATA3_Pos (8) /*!< CAN_IF_T::DAT_A2: Data_3_ Position */ #define CAN_IF_DAT_A2_DATA3_Msk (0xfful << CAN_IF_DAT_A2_DATA3_Pos) /*!< CAN_IF_T::DAT_A2: Data_3_ Mask */ #define CAN_IF_DAT_B1_DATA4_Pos (0) /*!< CAN_IF_T::DAT_B1: Data_4_ Position */ #define CAN_IF_DAT_B1_DATA4_Msk (0xfful << CAN_IF_DAT_B1_DATA4_Pos) /*!< CAN_IF_T::DAT_B1: Data_4_ Mask */ #define CAN_IF_DAT_B1_DATA5_Pos (8) /*!< CAN_IF_T::DAT_B1: Data_5_ Position */ #define CAN_IF_DAT_B1_DATA5_Msk (0xfful << CAN_IF_DAT_B1_DATA5_Pos) /*!< CAN_IF_T::DAT_B1: Data_5_ Mask */ #define CAN_IF_DAT_B2_DATA6_Pos (0) /*!< CAN_IF_T::DAT_B2: Data_6_ Position */ #define CAN_IF_DAT_B2_DATA6_Msk (0xfful << CAN_IF_DAT_B2_DATA6_Pos) /*!< CAN_IF_T::DAT_B2: Data_6_ Mask */ #define CAN_IF_DAT_B2_DATA7_Pos (8) /*!< CAN_IF_T::DAT_B2: Data_7_ Position */ #define CAN_IF_DAT_B2_DATA7_Msk (0xfful << CAN_IF_DAT_B2_DATA7_Pos) /*!< CAN_IF_T::DAT_B2: Data_7_ Mask */ #define CAN_TXREQ1_TXRQST16_1_Pos (0) /*!< CAN_T::TXREQ1: TxRqst16_1 Position */ #define CAN_TXREQ1_TXRQST16_1_Msk (0xfffful << CAN_TXREQ1_TXRQST16_1_Pos) /*!< CAN_T::TXREQ1: TxRqst16_1 Mask */ #define CAN_TXREQ2_TXRQST32_17_Pos (0) /*!< CAN_T::TXREQ2: TxRqst32_17 Position */ #define CAN_TXREQ2_TXRQST32_17_Msk (0xfffful << CAN_TXREQ2_TXRQST32_17_Pos) /*!< CAN_T::TXREQ2: TxRqst32_17 Mask */ #define CAN_NDAT1_NewData16_1_Pos (0) /*!< CAN_T::NDAT1: NewData16_1 Position */ #define CAN_NDAT1_NewData16_1_Msk (0xfffful << CAN_NDAT1_NewData16_1_Pos) /*!< CAN_T::NDAT1: NewData16_1 Mask */ #define CAN_NDAT2_NewData32_17_Pos (0) /*!< CAN_T::NDAT2: NewData32_17 Position */ #define CAN_NDAT2_NewData32_17_Msk (0xfffful << CAN_NDAT2_NewData32_17_Pos) /*!< CAN_T::NDAT2: NewData32_17 Mask */ #define CAN_IPND1_IntPnd16_1_Pos (0) /*!< CAN_T::IPND1: IntPnd16_1 Position */ #define CAN_IPND1_IntPnd16_1_Msk (0xfffful << CAN_IPND1_IntPnd16_1_Pos) /*!< CAN_T::IPND1: IntPnd16_1 Mask */ #define CAN_IPND2_IntPnd32_17_Pos (0) /*!< CAN_T::IPND2: IntPnd32_17 Position */ #define CAN_IPND2_IntPnd32_17_Msk (0xfffful << CAN_IPND2_IntPnd32_17_Pos) /*!< CAN_T::IPND2: IntPnd32_17 Mask */ #define CAN_MVLD1_MsgVal16_1_Pos (0) /*!< CAN_T::MVLD1: MsgVal16_1 Position */ #define CAN_MVLD1_MsgVal16_1_Msk (0xfffful << CAN_MVLD1_MsgVal16_1_Pos) /*!< CAN_T::MVLD1: MsgVal16_1 Mask */ #define CAN_MVLD2_MsgVal32_17_Pos (0) /*!< CAN_T::MVLD2: MsgVal32_17 Position */ #define CAN_MVLD2_MsgVal32_17_Msk (0xfffful << CAN_MVLD2_MsgVal32_17_Pos) /*!< CAN_T::MVLD2: MsgVal32_17 Mask */ #define CAN_WU_EN_WAKUP_EN_Pos (0) /*!< CAN_T::WU_EN: WAKUP_EN Position */ #define CAN_WU_EN_WAKUP_EN_Msk (0x1ul << CAN_WU_EN_WAKUP_EN_Pos) /*!< CAN_T::WU_EN: WAKUP_EN Mask */ #define CAN_WU_STATUS_WAKUP_STS_Pos (0) /*!< CAN_T::WU_STATUS: WAKUP_STS Position */ #define CAN_WU_STATUS_WAKUP_STS_Msk (0x1ul << CAN_WU_STATUS_WAKUP_STS_Pos) /*!< CAN_T::WU_STATUS: WAKUP_STS Mask */ #define CAN0 ((CAN_T *) CAN0_BA) #define CAN1 ((CAN_T *) CAN1_BA) #define CAN2 ((CAN_T *) CAN2_BA) #define CAN3 ((CAN_T *) CAN3_BA) /** @addtogroup CAN_EXPORTED_STRUCTS CAN Exported Structs @{ */ /** * @details CAN message structure */ typedef struct { uint32_t IdType; /*!< ID type */ uint32_t FrameType; /*!< Frame type */ uint32_t Id; /*!< Message ID */ uint8_t DLC; /*!< Data length */ uint8_t Data[8]; /*!< Data */ } STR_CANMSG_T; /** * @details CAN mask message structure */ typedef struct { uint8_t u8Xtd; /*!< Extended ID */ uint8_t u8Dir; /*!< Direction */ uint32_t u32Id; /*!< Message ID */ uint8_t u8IdType; /*!< ID type*/ } STR_CANMASK_T; /*@}*/ /* end of group CAN_EXPORTED_STRUCTS */ /** @cond HIDDEN_SYMBOLS */ #define MSG(id) (id) /** @endcond HIDDEN_SYMBOLS */ /** @addtogroup CAN_EXPORTED_FUNCTIONS CAN Exported Functions @{ */ /** * @brief Get interrupt status. * * @param[in] can The base address of can module. * * @return CAN module status register value. * * @details Status Interrupt is generated by bits BOff (CAN_STATUS[7]), EWarn (CAN_STATUS[6]), * EPass (CAN_STATUS[5]), RxOk (CAN_STATUS[4]), TxOk (CAN_STATUS[3]), and LEC (CAN_STATUS[2:0]). * \hideinitializer */ #define CAN_GET_INT_STATUS(can) ((can)->STATUS) /** * @brief Get specified interrupt pending status. * * @param[in] can The base address of can module. * * @return The source of the interrupt. * * @details If several interrupts are pending, the CAN Interrupt Register will point to the pending interrupt * with the highest priority, disregarding their chronological order. * \hideinitializer */ #define CAN_GET_INT_PENDING_STATUS(can) ((can)->IIDR) /** * @brief Disable wake-up function. * * @param[in] can The base address of can module. * * @return None * * @details The macro is used to disable wake-up function. * \hideinitializer */ #define CAN_DISABLE_WAKEUP(can) ((can)->WU_EN = 0ul) /** * @brief Enable wake-up function. * * @param[in] can The base address of can module. * * @return None * * @details User can wake-up system when there is a falling edge in the CAN_Rx pin. * \hideinitializer */ #define CAN_ENABLE_WAKEUP(can) ((can)->WU_EN = CAN_WU_EN_WAKUP_EN_Msk) /** * @brief Get specified Message Object new data into bit value. * * @param[in] can The base address of can module. * @param[in] u32MsgNum Specified Message Object number, valid value are from 0 to 31. * * @return Specified Message Object new data into bit value. * * @details The NewDat bit (CAN_IFn_MCON[15]) of a specific Message Object can be set/reset by the software through the IFn Message Interface Registers * or by the Message Handler after reception of a Data Frame or after a successful transmission. * \hideinitializer */ #define CAN_GET_NEW_DATA_IN_BIT(can, u32MsgNum) ((u32MsgNum) < 16 ? (can)->NDAT1 & (1 << (u32MsgNum)) : (can)->NDAT2 & (1 << ((u32MsgNum)-16))) /*---------------------------------------------------------------------------------------------------------*/ /* Define CAN functions prototype */ /*---------------------------------------------------------------------------------------------------------*/ uint32_t CAN_SetBaudRate(CAN_T *tCAN, uint32_t u32BaudRate); uint32_t CAN_Open(CAN_T *tCAN, uint32_t u32BaudRate, uint32_t u32Mode); void CAN_Close(CAN_T *tCAN); void CAN_CLR_INT_PENDING_BIT(CAN_T *tCAN, uint8_t u32MsgNum); void CAN_EnableInt(CAN_T *tCAN, uint32_t u32Mask); void CAN_DisableInt(CAN_T *tCAN, uint32_t u32Mask); int32_t CAN_Transmit(CAN_T *tCAN, uint32_t u32MsgNum, STR_CANMSG_T *pCanMsg); int32_t CAN_Receive(CAN_T *tCAN, uint32_t u32MsgNum, STR_CANMSG_T *pCanMsg); int32_t CAN_SetMultiRxMsg(CAN_T *tCAN, uint32_t u32MsgNum, uint32_t u32MsgCount, uint32_t u32IDType, uint32_t u32ID); int32_t CAN_SetRxMsg(CAN_T *tCAN, uint32_t u32MsgNum, uint32_t u32IDType, uint32_t u32ID); int32_t CAN_SetRxMsgAndMsk(CAN_T *tCAN, uint32_t u32MsgNum, uint32_t u32IDType, uint32_t u32ID, uint32_t u32IDMask); int32_t CAN_SetTxMsg(CAN_T *tCAN, uint32_t u32MsgNum, STR_CANMSG_T *pCanMsg); int32_t CAN_TriggerTxMsg(CAN_T *tCAN, uint32_t u32MsgNum); int32_t CAN_BasicSendMsg(CAN_T *tCAN, STR_CANMSG_T *pCanMsg); int32_t CAN_BasicReceiveMsg(CAN_T *tCAN, STR_CANMSG_T *pCanMsg); void CAN_EnterInitMode(CAN_T *tCAN, uint8_t u8Mask); void CAN_EnterTestMode(CAN_T *tCAN, uint8_t u8TestMask); void CAN_LeaveTestMode(CAN_T *tCAN); uint32_t CAN_GetCANBitRate(CAN_T *tCAN); uint32_t CAN_IsNewDataReceived(CAN_T *tCAN, uint8_t u8MsgObj); void CAN_LeaveInitMode(CAN_T *tCAN); int32_t CAN_SetRxMsgObjAndMsk(CAN_T *tCAN, uint8_t u8MsgObj, uint8_t u8idType, uint32_t u32id, uint32_t u32idmask, uint8_t u8singleOrFifoLast); int32_t CAN_SetRxMsgObj(CAN_T *tCAN, uint8_t u8MsgObj, uint8_t u8idType, uint32_t u32id, uint8_t u8singleOrFifoLast); void CAN_WaitMsg(CAN_T *tCAN); int32_t CAN_ReadMsgObj(CAN_T *tCAN, uint8_t u8MsgObj, uint8_t u8Release, STR_CANMSG_T *pCanMsg); /*@}*/ /* end of group CAN_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group CAN_Driver */ /*@}*/ /* end of group Standard_Driver */ #endif /*__NU_CAN_H__ */ /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/