sja1000.h

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/* SJA1000.h - definitions for Phillips SJA1000 CAN Controller */

/* Copyright 2001 Wind River Systems, Inc. */

/* 
modification history 
--------------------
09nov01,dnb modified for integration into Tornado
12jul01,jac written

*/

/* 

DESCRIPTION
This file contains the functions declarations, specific to the 
Phillips SJA1000 CAN controller, that implement the interface defined 
in the windnet_can.h header file. 

*/

#ifndef SJA1000_H_
#define SJA1000_H_

/* mode register bits */
#define MOD_RM                      0x01
#define MOD_LOM                     0x02
#define MOD_STM                     0x04
#define MOD_AFM                     0x08
#define MOD_SM                      0x10

/* command register bits */
#define CMR_TR                      0x01
#define CMR_AT                      0x02
#define CMR_RRB                     0x04
#define CMR_CDO                     0x08
#define CMR_SRR                     0x10

/* status register bits */
#define SR_RBS                      0x01
#define SR_DOS                      0x02
#define SR_TBS                      0x04
#define SR_TCS                      0x08
#define SR_RS                       0x10
#define SR_TS                       0x20
#define SR_ES                       0x40
#define SR_BS                       0x80

/* interrupt register bits */
#define IR_RI                       0x01
#define IR_TI                       0x02
#define IR_EI                       0x04
#define IR_DOI                      0x08
#define IR_WUI                      0x10
#define IR_EPI                      0x20
#define IR_ALI                      0x40
#define IR_BEI                      0x80

/* interrupt enable register bits */
#define IER_RIE                     0x01
#define IER_TIE                     0x02
#define IER_EIE                     0x04
#define IER_DOIE                    0x08
#define IER_WUIE                    0x10
#define IER_EPIE                    0x20
#define IER_ALIE                    0x40
#define IER_BEIE                    0x80

/* error code capture register */
#define ECC_SEG0                    0x01
#define ECC_SEG1                    0x02
#define ECC_SEG2                    0x04
#define ECC_SEG3                    0x08
#define ECC_SEG4                    0x10
#define ECC_DIR                     0x20
#define ECC_ERRC0                   0x40
#define ECC_ERCC1                   0x80

/* max number of message objects for sja1000 */
#define SJA1000_MAX_MSG_OBJ 2

/* sja1000 channel types */
#define TX_CHN_NUM 0
#define RX_CHN_NUM 1

extern const UINT g_sja1000chnType[SJA1000_MAX_MSG_OBJ];

struct TxMsg
{
    ULONG id;
    BOOL  ext;
    BOOL  rtr;
    UCHAR len;
    UCHAR data[8];
};

void sja1000ISR(ULONG context);

#endif /* SJA1000_H_ */