nuttx/arch/arm/src/kinetis/kinetis_flexcan.h
patacongo 36df84c843 Email address change in nuttx/
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5145 42af7a65-404d-4744-a932-0658087f49c3
2012-09-13 18:32:24 +00:00

319 lines
19 KiB
C

/****************************************************************************************************
* arch/arm/src/kinetis/kinetis_flexcan.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************************************/
#ifndef __ARCH_ARM_SRC_KINETIS_KINETIS_FLEXCAN_H
#define __ARCH_ARM_SRC_KINETIS_KINETIS_FLEXCAN_H
/****************************************************************************************************
* Included Files
****************************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/****************************************************************************************************
* Pre-processor Definitions
****************************************************************************************************/
/* Register Offsets *********************************************************************************/
#define KINETIS_CAN_MCR_OFFSET 0x0000 /* Module Configuration Register */
#define KINETIS_CAN_CTRL1_OFFSET 0x0004 /* Control 1 Register */
#define KINETIS_CAN_TIMER_OFFSET 0x0008 /* Free Running Timer */
#define KINETIS_CAN_RXMGMASK_OFFSET 0x0010 /* Rx Mailboxes Global Mask Register */
#define KINETIS_CAN_RX14MASK_OFFSET 0x0014 /* Rx 14 Mask Register */
#define KINETIS_CAN_RX15MASK_OFFSET 0x0018 /* Rx 15 Mask Register */
#define KINETIS_CAN_ECR_OFFSET 0x001c /* Error Counter */
#define KINETIS_CAN_ESR1_OFFSET 0x0020 /* Error and Status 1 Register */
#define KINETIS_CAN_IMASK2_OFFSET 0x0024 /* Interrupt Masks 2 Register */
#define KINETIS_CAN_IMASK1_OFFSET 0x0028 /* Interrupt Masks 1 Register */
#define KINETIS_CAN_IFLAG2_OFFSET 0x002c /* Interrupt Flags 2 Register */
#define KINETIS_CAN_IFLAG1_OFFSET 0x0030 /* Interrupt Flags 1 Register */
#define KINETIS_CAN_CTRL2_OFFSET 0x0034 /* Control 2 Register */
#define KINETIS_CAN_ESR2_OFFSET 0x0038 /* Error and Status 2 Register */
#define KINETIS_CAN_CRCR_OFFSET 0x0044 /* CRC Register */
#define KINETIS_CAN_RXFGMASK_OFFSET 0x0048 /* Rx FIFO Global Mask Register */
#define KINETIS_CAN_RXFIR_OFFSET 0x004c /* Rx FIFO Information Register */
#define KINETIS_CAN_RXIMR_OFFSET(n) (0x0880+((n)<<2)) /* Rn Individual Mask Registers */
#define KINETIS_CAN_RXIMR0_OFFSET 0x0880 /* R0 Individual Mask Registers */
#define KINETIS_CAN_RXIMR1_OFFSET 0x0884 /* R1 Individual Mask Registers */
#define KINETIS_CAN_RXIMR2_OFFSET 0x0888 /* R2 Individual Mask Registers */
#define KINETIS_CAN_RXIMR3_OFFSET 0x088c /* R3 Individual Mask Registers */
#define KINETIS_CAN_RXIMR4_OFFSET 0x0890 /* R4 Individual Mask Registers */
#define KINETIS_CAN_RXIMR5_OFFSET 0x0894 /* R5 Individual Mask Registers */
#define KINETIS_CAN_RXIMR6_OFFSET 0x0898 /* R6 Individual Mask Registers */
#define KINETIS_CAN_RXIMR7_OFFSET 0x089c /* R7 Individual Mask Registers */
#define KINETIS_CAN_RXIMR8_OFFSET 0x08a0 /* R8 Individual Mask Registers */
#define KINETIS_CAN_RXIMR9_OFFSET 0x08a4 /* R9 Individual Mask Registers */
#define KINETIS_CAN_RXIMR10_OFFSET 0x08a8 /* R10 Individual Mask Registers */
#define KINETIS_CAN_RXIMR11_OFFSET 0x08ac /* R11 Individual Mask Registers */
#define KINETIS_CAN_RXIMR12_OFFSET 0x08b0 /* R12 Individual Mask Registers */
#define KINETIS_CAN_RXIMR13_OFFSET 0x08b4 /* R13 Individual Mask Registers */
#define KINETIS_CAN_RXIMR14_OFFSET 0x08b8 /* R14 Individual Mask Registers */
#define KINETIS_CAN_RXIMR15_OFFSET 0x08bc /* R15 Individual Mask Registers */
/* Register Addresses *******************************************************************************/
#define KINETIS_CAN0_MCR (KINETIS_CAN0_BASE+KINETIS_CAN_MCR_OFFSET)
#define KINETIS_CAN0_CTRL1 (KINETIS_CAN0_BASE+KINETIS_CAN_CTRL1_OFFSET)
#define KINETIS_CAN0_TIMER (KINETIS_CAN0_BASE+KINETIS_CAN_TIMER_OFFSET)
#define KINETIS_CAN0_RXMGMASK (KINETIS_CAN0_BASE+KINETIS_CAN_RXMGMASK_OFFSET)
#define KINETIS_CAN0_RX14MASK (KINETIS_CAN0_BASE+KINETIS_CAN_RX14MASK_OFFSET)
#define KINETIS_CAN0_RX15MASK (KINETIS_CAN0_BASE+KINETIS_CAN_RX15MASK_OFFSET)
#define KINETIS_CAN0_ECR (KINETIS_CAN0_BASE+KINETIS_CAN_ECR_OFFSET)
#define KINETIS_CAN0_ESR1 (KINETIS_CAN0_BASE+KINETIS_CAN_ESR1_OFFSET)
#define KINETIS_CAN0_IMASK2 (KINETIS_CAN0_BASE+KINETIS_CAN_IMASK2_OFFSET)
#define KINETIS_CAN0_IMASK1 (KINETIS_CAN0_BASE+KINETIS_CAN_IMASK1_OFFSET)
#define KINETIS_CAN0_IFLAG2 (KINETIS_CAN0_BASE+KINETIS_CAN_IFLAG2_OFFSET)
#define KINETIS_CAN0_IFLAG1 (KINETIS_CAN0_BASE+KINETIS_CAN_IFLAG1_OFFSET)
#define KINETIS_CAN0_CTRL2 (KINETIS_CAN0_BASE+KINETIS_CAN_CTRL2_OFFSET)
#define KINETIS_CAN0_ESR2 (KINETIS_CAN0_BASE+KINETIS_CAN_ESR2_OFFSET)
#define KINETIS_CAN0_CRCR (KINETIS_CAN0_BASE+KINETIS_CAN_CRCR_OFFSET)
#define KINETIS_CAN0_RXFGMASK (KINETIS_CAN0_BASE+KINETIS_CAN_RXFGMASK_OFFSET)
#define KINETIS_CAN0_RXFIR (KINETIS_CAN0_BASE+KINETIS_CAN_RXFIR_OFFSET)
#define KINETIS_CAN0_RXIMR(n) (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR_OFFSET(n))
#define KINETIS_CAN0_RXIMR0 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR0_OFFSET)
#define KINETIS_CAN0_RXIMR1 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR1_OFFSET)
#define KINETIS_CAN0_RXIMR2 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR2_OFFSET)
#define KINETIS_CAN0_RXIMR3 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR3_OFFSET)
#define KINETIS_CAN0_RXIMR4 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR4_OFFSET)
#define KINETIS_CAN0_RXIMR5 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR5_OFFSET)
#define KINETIS_CAN0_RXIMR6 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR6_OFFSET)
#define KINETIS_CAN0_RXIMR7 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR7_OFFSET)
#define KINETIS_CAN0_RXIMR8 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR8_OFFSET)
#define KINETIS_CAN0_RXIMR9 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR9_OFFSET)
#define KINETIS_CAN0_RXIMR10 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR10_OFFSET)
#define KINETIS_CAN0_RXIMR11 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR11_OFFSET)
#define KINETIS_CAN0_RXIMR12 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR12_OFFSET)
#define KINETIS_CAN0_RXIMR13 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR13_OFFSET)
#define KINETIS_CAN0_RXIMR14 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR14_OFFSET)
#define KINETIS_CAN0_RXIMR15 (KINETIS_CAN0_BASE+KINETIS_CAN_RXIMR15_OFFSET)
/* Register Bit Definitions *************************************************************************/
/* Module Configuration Register */
#define CAN_MCR_MAXMB_SHIFT (0) /* Bits 0-6: Number of the Last Message Buffer */
#define CAN_MCR_MAXMB_MASK (0x7f << CAN_MCR_MAXMB_SHIFT)
/* Bit 7: Reserved */
#define CAN_MCR_IDAM_SHIFT (8) /* Bits 8-9: ID Acceptance Mode */
#define CAN_MCR_IDAM_MASK (3 << CAN_MCR_IDAM_SHIFT)
# define CAN_MCR_IDAM_FMTA (0 << CAN_MCR_IDAM_SHIFT) /* Format A: One full ID */
# define CAN_MCR_IDAM_FMTB (1 << CAN_MCR_IDAM_SHIFT) /* Format B: Two full (or partial) IDs */
# define CAN_MCR_IDAM_FMTC (2 << CAN_MCR_IDAM_SHIFT) /* Format C: Four partial IDs */
# define CAN_MCR_IDAM_FMTD (3 << CAN_MCR_IDAM_SHIFT) /* Format D: All frames rejected */
/* Bits 10-11: Reserved */
#define CAN_MCR_AEN (1 << 12) /* Bit 12: Abort Enable */
#define CAN_MCR_LPRIOEN (1 << 13) /* Bit 13: Local Priority Enable */
/* Bits 14-15: Reserved */
#define CAN_MCR_IRMQ (1 << 16) /* Bit 16: Individual Rx Masking and Queue Enable */
#define CAN_MCR_SRXDIS (1 << 17) /* Bit 17: Self Reception Disable */
#define CAN_MCR_DOZE (1 << 18) /* Bit 18: Doze Mode Enable */
/* Bit 19: Reserved */
#define CAN_MCR_LPMACK (1 << 20) /* Bit 20: Low Power Mode Acknowledge */
#define CAN_MCR_WRNEN (1 << 21) /* Bit 21: Warning Interrupt Enable */
#define CAN_MCR_SLFWAK (1 << 22) /* Bit 22: Self Wake Up */
#define CAN_MCR_SUPV (1 << 23) /* Bit 23: Supervisor Mode */
#define CAN_MCR_FRZACK (1 << 24) /* Bit 24: Freeze Mode Acknowledge */
#define CAN_MCR_SOFTRST (1 << 25) /* Bit 25: Soft Reset */
#define CAN_MCR_WAKMSK (1 << 26) /* Bit 26: Wake Up Interrupt Mask */
#define CAN_MCR_NOTRDY (1 << 27) /* Bit 27: FlexCAN Not Ready */
#define CAN_MCR_HALT (1 << 28) /* Bit 28: Halt FlexCAN */
#define CAN_MCR_RFEN (1 << 29) /* Bit 29: Rx FIFO Enable */
#define CAN_MCR_FRZ (1 << 30) /* Bit 30: Freeze Enable */
#define CAN_MCR_MDIS (1 << 31) /* Bit 31: Module Disable */
/* Control 1 Register */
#define CAN_CTRL1_ROPSEG_SHIFT (0) /* Bits 0-2: Propagation Segment */
#define CAN_CTRL1_ROPSEG_MASK (7 << CAN_CTRL1_ROPSEG_SHIFT)
#define CAN_CTRL1_LOM (1 << 3) /* Bit 3: Listen-Only Mode */
#define CAN_CTRL1_LBUF (1 << 4) /* Bit 4: Lowest Buffer Transmitted First */
#define CAN_CTRL1_TSYN (1 << 5) /* Bit 5: Timer Sync */
#define CAN_CTRL1_BOFFREC (1 << 6) /* Bit 6: Bus Off Recovery */
#define CAN_CTRL1_SMP (1 << 7) /* Bit 7: CAN Bit Sampling */
/* Bits 8-9: Reserved */
#define CAN_CTRL1_RWRNMSK (1 << 10) /* Bit 10: Rx Warning Interrupt Mask */
#define CAN_CTRL1_TWRNMSK (1 << 11) /* Bit 11: Tx Warning Interrupt Mask */
#define CAN_CTRL1_LPB (1 << 12) /* Bit 12: Loop Back Mode */
#define CAN_CTRL1_CLKSRC (1 << 13) /* Bit 13: CAN Engine Clock Source */
#define CAN_CTRL1_ERRMSK (1 << 14) /* Bit 14: Error Mask */
#define CAN_CTRL1_BOFFMSK (1 << 15) /* Bit 15: Bus Off Mask */
#define CAN_CTRL1_PSEG2_SHIFT (16) /* Bits 16-18: Phase Segment 2 */
#define CAN_CTRL1_PSEG2_MASK (7 << CAN_CTRL1_PSEG2_SHIFT)
#define CAN_CTRL1_PSEG1_SHIFT (19) /* Bits 19-21: Phase Segment 1 */
#define CAN_CTRL1_PSEG1_MASK (7 << CAN_CTRL1_PSEG1_SHIFT)
#define CAN_CTRL1_RJW_SHIFT (22) /* Bits 22-23: Resync Jump Width */
#define CAN_CTRL1_RJW_MASK (3 << CAN_CTRL1_RJW_SHIFT)
#define CAN_CTRL1_PRESDIV_SHIFT (24) /* Bits 24-31: Prescaler Division Factor */
#define CAN_CTRL1_PRESDIV_MASK (0xff << CAN_CTRL1_PRESDIV_SHIFT)
/* Free Running Timer */
#define CAN_TIMER_SHIFT (0) /* Bits 0-15: Timer value */
#define CAN_TIMER_MASK (0xffff << CAN_TIMER_SHIFT)
/* Bits 16-31: Reserved */
/* Rx Mailboxes Global Mask Register (32 Rx Mailboxes Global Mask Bits) */
#define CAN_RXMGMASK(n) (1 << (n)) /* Bit n: Rx Mailboxe n Global Mask Bit */
/* Rx 14 Mask Register */
#define CAN_RX14MASK(n) (1 << (n)) /* Bit n: Rx Buffer 14 Mask Bit n */
/* Rx 15 Mask Register */
#define CAN_RX15MASK(n) (1 << (n)) /* Bit n: Rx Buffer 15 Mask Bit n */
/* Error Counter */
#define CAN_ECR_TXERRCNT_SHIFT (0) /* Bits 0-7: Transmit Error Counter */
#define CAN_ECR_TXERRCNT_MASK (0xff << CAN_ECR_TXERRCNT_SHIFT)
#define CAN_ECR_RXERRCNT_SHIFT (8) /* Bits 8-15: Receive Error Counter */
#define CAN_ECR_RXERRCNT_MASK (0xff << CAN_ECR_RXERRCNT_SHIFT)
/* Bits 16-31: Reserved */
/* Error and Status 1 Register */
#define CAN_ESR1_WAKINT (1 << 0) /* Bit 0: Wake-Up Interrupt */
#define CAN_ESR1_ERRINT (1 << 1) /* Bit 1: Error Interrupt */
#define CAN_ESR1_BOFFINT (1 << 2) /* Bit 2: 'Bus Off' Interrupt */
#define CAN_ESR1_RX (1 << 3) /* Bit 3: FlexCAN in Reception */
#define CAN_ESR1_FLTCONF_SHIFT (4) /* Bits 4-5: Fault Confinement State */
#define CAN_ESR1_FLTCONF_MASK (3 << CAN_ESR1_FLTCONF_SHIFT)
# define CAN_ESR1_FLTCONF_ACTV (0 << CAN_ESR1_FLTCONF_SHIFT) /* Error Active */
# define CAN_ESR1_FLTCONF_PASV (1 << CAN_ESR1_FLTCONF_SHIFT) /* Error Passive */
# define CAN_ESR1_FLTCONF_OFF (2 << CAN_ESR1_FLTCONF_SHIFT) /* Bus Off */
#define CAN_ESR1_TX (1 << 6) /* Bit 6: FlexCAN in Transmission */
#define CAN_ESR1_IDLE (1 << 7) /* Bit 7: CAN bus is in IDLE state */
#define CAN_ESR1_RXWRN (1 << 8) /* Bit 8: Rx Error Warning */
#define CAN_ESR1_TXWRN (1 << 9) /* Bit 9: TX Error Warning */
#define CAN_ESR1_STFERR (1 << 10) /* Bit 10: Stuffing Error */
#define CAN_ESR1_FRMERR (1 << 11) /* Bit 11: Form Error */
#define CAN_ESR1_CRCERR (1 << 12) /* Bit 12: Cyclic Redundancy Check Error */
#define CAN_ESR1_ACKERR (1 << 13) /* Bit 13: Acknowledge Error */
#define CAN_ESR1_BIT0ERR (1 << 14) /* Bit 14: Bit0 Error */
#define CAN_ESR1_BIT1ERR (1 << 15) /* Bit 15: Bit1 Error */
#define CAN_ESR1_RWRNINT (1 << 16) /* Bit 16: Rx Warning Interrupt Flag */
#define CAN_ESR1_TWRNINT (1 << 17) /* Bit 17: Tx Warning Interrupt Flag */
#define CAN_ESR1_SYNCH (1 << 18) /* Bit 18: CAN Synchronization Status */
/* Bits 19-31: Reserved */
/* Interrupt Masks 2 Register */
#define CAN_IMASK2(n) (1 << (n)) /* Bit n: Buffer MBn Mask */
/* Interrupt Masks 1 Register */
#define CAN_IMASK1(n) (1 << (n)) /* Bit n: Buffer MBn Mask */
/* Interrupt Flags 2 Register */
#define CAN_IFLAG2(n) (1 << (n)) /* Bit n: Buffer MBn Interrupt */
/* Interrupt Flags 1 Register */
#define CAN_IFLAG1(n) (1 << (n)) /* Bit n: Buffer MBn Interrupt, n=0..4,8..31 */
/* Control 2 Register */
/* Bits 0-15: Reserved */
#define CAN_CTRL2_EACEN (1 << 16) /* Bit 16: Entire Frame Arbitration Field Comparison Enable (Rx) */
#define CAN_CTRL2_RRS (1 << 17) /* Bit 17: Remote Request Storing */
#define CAN_CTRL2_MRP (1 << 18) /* Bit 18: Mailboxes Reception Priority */
#define CAN_CTRL2_TASD_SHIFT (19) /* Bits 19-23: Tx Arbitration Start Delay */
#define CAN_CTRL2_TASD_MASK (31 << CAN_CTRL2_TASD_SHIFT)
#define CAN_CTRL2_RFFN_SHIFT (24) /* Bits 24-27: Number of Rx FIFO Filters */
#define CAN_CTRL2_RFFN_MASK (15 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_8MB (0 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_16MB (1 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_24MB (2 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_32MB (3 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_40MB (4 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_48MB (5 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_56MB (6 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_64MB (7 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_72MB (8 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_80MB (9 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_88MB (10 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_96MB (11 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_104MB (12 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_112MB (13 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_120MB (14 << CAN_CTRL2_RFFN_SHIFT)
# define CAN_CTRL2_RFFN_128MB (15 << CAN_CTRL2_RFFN_SHIFT)
#define CAN_CTRL2_WRMFRZ (1 << 28) /* Bit 28: Write-Access to Memory in Freeze mode */
/* Bits 29-31: Reserved */
/* Error and Status 2 Register */
/* Bits 0-12: Reserved */
#define CAN_ESR2_IMB (1 << 13) /* Bit 13: Inactive Mailbox */
#define CAN_ESR2_VPS (1 << 14) /* Bit 14: Valid Priority Status */
/* Bit 15: Reserved */
#define CAN_ESR2_VPS (1 << 14) /* Bit 14: Valid Priority Status */
#define CAN_ESR2_LPTM_SHIFT (16) /* Bits 16-22: Lowest Priority Tx Mailbox */
#define CAN_ESR2_LPTM_MASK (0x7f << CAN_ESR2_LPTM_SHIFT)
/* Bits 23-31: Reserved */
/* CRC Register */
/* Bits 23-31: Reserved */
#define CAN_CRCR_MBCRC_SHIFT (16) /* Bits 16-22: CRC Mailbox */
#define CAN_CRCR_MBCRC_MASK (0x7f << CAN_CRCR_MBCRC_SHIFT)
/* Bit 15: Reserved */
#define CAN_CRCR_TXCRC_SHIFT (0) /* Bits 0-14: CRC Transmitted */
#define CAN_CRCR_TXCRC_MASK (0x7fff << CAN_CRCR_TXCRC_SHIFT)
/* Rx FIFO Global Mask Register (32 Rx FIFO Global Mask Bits) */
/* Rx FIFO Information Register */
/* Bits 9-31: Reserved */
#define CAN_RXFIR_IDHIT_SHIFT (0) /* Bits 0-8: Identifier Acceptance Filter Hit Indicator */
#define CAN_RXFIR_IDHIT_MASK (0x1ff << CAN_RXFIR_IDHIT_SHIFT)
/* Rn Individual Mask Registers */
#define CAN_RXIMR(n) (1 << (n)) /* Bit n: Individual Mask Bits */
/****************************************************************************************************
* Public Types
****************************************************************************************************/
/****************************************************************************************************
* Public Data
****************************************************************************************************/
/****************************************************************************************************
* Public Functions
****************************************************************************************************/
#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_FLEXCAN_H */