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                ifndef  __52xxcaninc            ; avoid multiple inclusion
__52xxcaninc    equ     1

                save
                listing off                     ; no listing over this file
                
;****************************************************************************
;*                                                                          *
;*   AS 1.42 - File 52XXCAN.INC                                             *
;*                                                                          *
;*   Contains SFR and Bit Definitions for ColdFire MCF52xx CAN              *
;*                                                                          *
;****************************************************************************

CANMCR          equ             MBAR_CAN+$000   ; FlexCAN Module Configuration Register (32b)
MDIS            cfbit           CANMCR,31       ;  Module disable.
FRZ             cfbit           CANMCR,30       ;  Freeze mode enable.
HALT            cfbit           CANMCR,28       ;  Halt FlexCAN.
NOTRDY          cfbit           CANMCR,27       ;  FlexCAN not ready.
SOFTRST         cfbit           CANMCR,25       ;  Soft reset.
FRZACK          cfbit           CANMCR,24       ;  Freeze acknowledge.
SUPV            cfbit           CANMCR,23       ;  Supervisor/user data space.
LPMACK          cfbit           CANMCR,20       ;  Low power mode acknowledge.
BCC             cfbit           CANMCR,16       ;  Backwards compatibility configuration.
MAXMB           cffield         CANMCR,0,4      ;  Maximum number of message buffers.
CANCTRL         equ             MBAR_CAN+$004   ; FlexCAN Control Register (32b)
PRESDIV         cffield         CANCTRL,24,8    ;  Prescaler division factor.
RJW             cffield         CANCTRL,22,2    ;  Resynchronization jump width.
PSEG1           cffield         CANCTRL,19,3    ;  Phase buffer segment 1.
PSEG2           cffield         CANCTRL,16,3    ;  Phase buffer segment 2.
BOFFMSK         cfbit           CANCTRL,15      ;  Bus off interrupt mask.
ERRMSK          cfbit           CANCTRL,14      ;  Error interrupt mask.
CLK_SRC         cfbit           CANCTRL,13      ;  Clock source.
LPB             cfbit           CANCTRL,12      ;  Loop back.
SMP             cfbit           CANCTRL,7       ;  Sampling mode.
BOFFREC         cfbit           CANCTRL,6       ;  Bus off recovery mode.
TSYN            cfbit           CANCTRL,5       ;  Timer synchronize mode.
LBUF            cfbit           CANCTRL,4       ;  Lowest buffer transmitted first.
LOM             cfbit           CANCTRL,3       ;  Listen-only mode.
PROPSEG         cffield         CANCTRL,0,3     ;  Propagation segment.
TIMER           equ             MBAR_CAN+$008   ; Free Running Timer (32b)
RXGMASK         equ             MBAR_CAN+$010   ; Rx Global Mask (32b)
RX14MASK        equ             MBAR_CAN+$014   ; Rx Buffer 14 Mask (32b)
RX15MASK        equ             MBAR_CAN+$018   ; Rx Buffer 15 Mask (32b)
ERRCNT          equ             MBAR_CAN+$01C   ; Error Counter Register (32b)
RXECTR          cffield         ERRCNT,8,8      ;  Receive error counter.
TXECTR          cffield         ERRCNT,0,8      ;  Transmit error counter.
ERRSTAT         equ             MBAR_CAN+$020   ; Error and Status Register (32b)
BIT1ERR         cfbit           ERRSTAT,15      ;  Bit1 error.
BIT0ERR         cfbit           ERRSTAT,14      ;  Bit0 error.
ACKERR          cfbit           ERRSTAT,13      ;  Acknowledge error.
CRCERR          cfbit           ERRSTAT,12      ;  Cyclic redundancy check error.
FRMERR          cfbit           ERRSTAT,11      ;  Message form error.
STFERR          cfbit           ERRSTAT,10      ;  Bit stuff error.
TXWRN           cfbit           ERRSTAT,9       ;  Transmit error status flag.
RXWRN           cfbit           ERRSTAT,8       ;  Receiver error status flag.
IDLE            cfbit           ERRSTAT,7       ;  Idle status.
TXRX            cfbit           ERRSTAT,6       ;  Transmit/receive status.
FLTCONF         cffield         ERRSTAT,4,2     ;  Fault confinement state.
BOFFINT         cfbit           ERRSTAT,2       ;  Bus off interrupt.
ERRINT          cfbit           ERRSTAT,1       ;  Error interrupt.
IMASK           equ             MBAR_CAN+$028   ; Interrupt Mask Register (32b)
BUF15M          cfbit           IMASK,15        ;  Buffer interrupt mask.
BUF14M          cfbit           IMASK,14
BUF13M          cfbit           IMASK,13
BUF12M          cfbit           IMASK,12
BUF11M          cfbit           IMASK,11
BUF10M          cfbit           IMASK,10
BUF9M           cfbit           IMASK,9
BUF8M           cfbit           IMASK,8
BUF7M           cfbit           IMASK,7
BUF6M           cfbit           IMASK,6
BUF5M           cfbit           IMASK,5
BUF4M           cfbit           IMASK,4
BUF3M           cfbit           IMASK,3
BUF2M           cfbit           IMASK,2
BUF1M           cfbit           IMASK,1
BUF0M           cfbit           IMASK,0
IFLAG           equ             MBAR_CAN+$030   ; Interrupt Flag Register (32b)
BUF15I          cfbit           IFLAG,15        ; Buffer interrupt flag.
BUF14I          cfbit           IFLAG,14
BUF13I          cfbit           IFLAG,13
BUF12I          cfbit           IFLAG,12
BUF11I          cfbit           IFLAG,11
BUF10I          cfbit           IFLAG,10
BUF9I           cfbit           IFLAG,9
BUF8I           cfbit           IFLAG,8
BUF7I           cfbit           IFLAG,7
BUF6I           cfbit           IFLAG,6
BUF5I           cfbit           IFLAG,5
BUF4I           cfbit           IFLAG,4
BUF3I           cfbit           IFLAG,3
BUF2I           cfbit           IFLAG,2
BUF1I           cfbit           IFLAG,1
BUF0I           cfbit           IFLAG,0
__N             set             0
                rept            16
                __decstr        __NS,__N
MB{"\{__NS}"}   equ             MBAR_CAN+$080+(__N*16)  ; Message Buffers 0-15 (16*128b)
CODE            cffield         MB{"\{__NS}"},24,4      ;  Message buffer code.
SRR             cfbit           MB{"\{__NS}"},22        ;  Substitute remote request.
IDE             cfbit           MB{"\{__NS}"},21        ;  ID extended bit.
RTR             cfbit           MB{"\{__NS}"},20        ;  Remote transmission request.
LENGTH          cffield         MB{"\{__NS}"},16,4      ;  Length of data in bytes.
TIMESTAMP       cffield         MB{"\{__NS}"},0,16      ;  Free-running counter time stamp.
MB{"\{__NS}"}ID equ             MB{"\{__NS}"}+4
EXTENDED        cffield         MB{"\{__NS}"}ID,18,11   ;  Extended frame identifier.
STANDARD        cffield         MB{"\{__NS}"}ID,0,18    ;  Standard frame identifier.
__N             set             __N+4
                endm

                restore                         ; re-enable listing

                endif                           ; __52xxcaninc