include / dev

sja1000.h File Reference

Detailed Description

Header for SJA1000 CAN-Bus controller driver.

The SJA1000 controller is connected to the memory bus. It's base address and interrupt is set by NutRegisterDevice.

Have a look to our m-can board if you have questions.

Defines

#define SJA1000_MODECTRL   (*(volatile u_char*) (sja_base+0))

#define RM_RR_Bit   0x01

#define LOM_Bit   0x02

#define STM_Bit   0x04

#define AFM_Bit   0x08

#define SM_Bit   0x10

#define SJA1000_IEN   (*(volatile u_char*) (sja_base+4))

#define RIE_Bit   0x01

#define TIE_Bit   0x02

#define EIE_Bit   0x04

#define DOIE_Bit   0x08

#define WUIE_Bit   0x10

#define EPIE_Bit   0x20

#define ALIE_Bit   0x40

#define BEIE_Bit   0x80

#define SJA1000_CMD   (*(volatile u_char*) (sja_base+1))

#define TR_Bit   0x01

#define AT_Bit   0x02

#define RRB_Bit   0x04

#define CDO_Bit   0x08

#define SRR_Bit   0x10

#define SJA1000_STATUS   (*(volatile u_char*) (sja_base+2))

#define RBS_Bit   0x01

#define DOS_Bit   0x02

#define TBS_Bit   0x04

#define TCS_Bit   0x08

#define RS_Bit   0x10

#define TS_Bit   0x20

#define ES_Bit   0x40

#define BS_Bit   0x80

#define SJA1000_INT   (*(volatile u_char*) (sja_base+3))

#define RI_Bit   0x01

#define TI_Bit   0x02

#define EI_Bit   0x04

#define DOI_Bit   0x08

#define WUI_Bit   0x10

#define EPI_Bit   0x20

#define ALI_Bit   0x40

#define BEI_Bit   0x80

#define SJA1000_BT0   (*(volatile u_char*) (sja_base+6))

#define SJA1000_BT1   (*(volatile u_char*) (sja_base+7))

#define SAM_Bit   0x80

#define SJA1000_OUTCTRL   (*(volatile u_char*) (sja_base+8))

#define BiPhaseMode   0x00

#define NormalMode   0x02

#define ClkOutMode   0x03

#define OCPOL1_Bit   0x20

#define Tx1Float   0x00

#define Tx1PullDn   0x40

#define Tx1PullUp   0x80

#define Tx1PshPull   0xC0

#define OCPOLO_Bit   0x04

#define Tx0Float   0x00

#define Tx0PullDn   0x08

#define Tx0PullUp   0x10

#define Tx0PshPull   0x18

#define SJA1000_AC0   (*(volatile u_char*) (sja_base+16))

#define SJA1000_AC1   (*(volatile u_char*) (sja_base+17))

#define SJA1000_AC2   (*(volatile u_char*) (sja_base+18))

#define SJA1000_AC3   (*(volatile u_char*) (sja_base+19))

#define SJA1000_AM0   (*(volatile u_char*) (sja_base+20))

#define SJA1000_AM1   (*(volatile u_char*) (sja_base+21))

#define SJA1000_AM2   (*(volatile u_char*) (sja_base+22))

#define SJA1000_AM3   (*(volatile u_char*) (sja_base+23))

#define SJA1000_RxFrameInfo   (*(volatile u_char*) (sja_base+16))

#define SJA1000_Rx1   (*(volatile u_char*) (sja_base+17))

#define SJA1000_Rx2   (*(volatile u_char*) (sja_base+18))

#define SJA1000_Rx3   (*(volatile u_char*) (sja_base+19))

#define SJA1000_Rx4   (*(volatile u_char*) (sja_base+20))

#define SJA1000_Rx5   (*(volatile u_char*) (sja_base+21))

#define SJA1000_Rx6   (*(volatile u_char*) (sja_base+22))

#define SJA1000_Rx7   (*(volatile u_char*) (sja_base+23))

#define SJA1000_Rx8   (*(volatile u_char*) (sja_base+24))

#define SJA1000_Rx9   (*(volatile u_char*) (sja_base+25))

#define SJA1000_Rx10   (*(volatile u_char*) (sja_base+26))

#define SJA1000_Rx11   (*(volatile u_char*) (sja_base+27))

#define SJA1000_Rx12   (*(volatile u_char*) (sja_base+28))

#define TestReg   (*(volatile u_char*) (sja_base+9))

#define SJA1000_TxFrameInfo   (*(volatile u_char*) (sja_base+16))

#define SJA1000_Tx1   (*(volatile u_char*) (sja_base+17))

#define SJA1000_Tx2   (*(volatile u_char*) (sja_base+18))

#define SJA1000_Tx3   (*(volatile u_char*) (sja_base+19))

#define SJA1000_Tx4   (*(volatile u_char*) (sja_base+20))

#define SJA1000_Tx5   (*(volatile u_char*) (sja_base+21))

#define SJA1000_Tx6   (*(volatile u_char*) (sja_base+22))

#define SJA1000_Tx7   (*(volatile u_char*) (sja_base+23))

#define SJA1000_Tx8   (*(volatile u_char*) (sja_base+24))

#define SJA1000_Tx9   (*(volatile u_char*) (sja_base+25))

#define SJA1000_Tx10   (*(volatile u_char*) (sja_base+26))

#define SJA1000_Tx11   (*(volatile u_char*) (sja_base+27))

#define SJA1000_Tx12   (*(volatile u_char*) (sja_base+28))

#define SJA1000_TxFrameInfoRd   (*(volatile u_char*) (sja_base+96))

#define SJA1000_TxRd1   (*(volatile u_char*) (sja_base+97))

#define SJA1000_TxRd2   (*(volatile u_char*) (sja_base+98))

#define SJA1000_TxRd3   (*(volatile u_char*) (sja_base+99))

#define SJA1000_TxRd4   (*(volatile u_char*) (sja_base+100))

#define SJA1000_TxRd5   (*(volatile u_char*) (sja_base+101))

#define SJA1000_TxRd6   (*(volatile u_char*) (sja_base+102))

#define SJA1000_TxRd7   (*(volatile u_char*) (sja_base+103))

#define SJA1000_TxRd8   (*(volatile u_char*) (sja_base+104))

#define SJA1000_TxRd9   (*(volatile u_char*) (sja_base+105))

#define SJA1000_TxRd10   (*(volatile u_char*) (sja_base+106))

#define SJA1000_TxRd11   (*(volatile u_char*) (sja_base+107))

#define SJA1000_TxRd12   (*(volatile u_char*) (sja_base+108))

#define SJA1000_ArbLostCap   (*(volatile u_char*) (sja_base+11))

#define SJA1000_ErrCodeCap   (*(volatile u_char*) (sja_base+12))

#define SJA1000_ErrWarnLimit   (*(volatile u_char*) (sja_base+13))

#define SJA1000_RxErrCount   (*(volatile u_char*) (sja_base+14))

#define SJA1000_TxErrCount   (*(volatile u_char*) (sja_base+15))

#define SJA1000_RxMsgCount   (*(volatile u_char*) (sja_base+29))

#define SJA1000_RxBufStartAdr   (*(volatile u_char*) (sja_base+30))

#define SJA1000_CLK_DIV   (*(volatile u_char*) (sja_base+31))

#define DivBy1   0x07

#define DivBy2   0x00

#define ClkOff_Bit   0x08

#define RXINTEN_Bit   0x20

#define CBP_Bit   0x40

#define CANMode_Bit   0x80

#define ClkOutMode   0x03

#define OCPOL1_Bit   0x20

#define Tx1Float   0x00

#define Tx1PullDn   0x40

#define Tx1PullUp   0x80

#define Tx1PshPull   0xC0

#define OCPOL0_Bit   0x04

#define Tx0Float   0x00

#define Tx0PullDn   0x08

#define Presc_MB_16   0x00

#define SJW_MB_16   0x00

#define TSEG1_MB_16   0x04

#define TSEG2_MB_16   0x10

#define errCAN_INVALID_BAUD   7

#define CAN_OK   0

#define CAN_ERR   1

#define CAN_INIT_SPEED_ERR   1

#define CAN_NOT_INITIATED   1

#define CAN_NOT_STARTED   1

#define CAN_TXBUF_FULL   2

#define CAN_RXBUF_EMPTY   2

#define CAN_LOST_FRAME   0x01

#define CAN_BUS_OFF   0x02

#define CAN_29   0x80

#define CAN_RTR   0x40

#define ClrIntEnSJA   0x00

Variables

NUTDEVICE devSJA1000

Device information structure.


Defines
#define	SJA1000_MODECTRL ((volatile u_char) (sja_base+0))
#define	RM_RR_Bit 0x01
#define	LOM_Bit 0x02
#define	STM_Bit 0x04
#define	AFM_Bit 0x08
#define	SM_Bit 0x10
#define	SJA1000_IEN ((volatile u_char) (sja_base+4))
#define	RIE_Bit 0x01
#define	TIE_Bit 0x02
#define	EIE_Bit 0x04
#define	DOIE_Bit 0x08
#define	WUIE_Bit 0x10
#define	EPIE_Bit 0x20
#define	ALIE_Bit 0x40
#define	BEIE_Bit 0x80
#define	SJA1000_CMD ((volatile u_char) (sja_base+1))
#define	TR_Bit 0x01
#define	AT_Bit 0x02
#define	RRB_Bit 0x04
#define	CDO_Bit 0x08
#define	SRR_Bit 0x10
#define	SJA1000_STATUS ((volatile u_char) (sja_base+2))
#define	RBS_Bit 0x01
#define	DOS_Bit 0x02
#define	TBS_Bit 0x04
#define	TCS_Bit 0x08
#define	RS_Bit 0x10
#define	TS_Bit 0x20
#define	ES_Bit 0x40
#define	BS_Bit 0x80
#define	SJA1000_INT ((volatile u_char) (sja_base+3))
#define	RI_Bit 0x01
#define	TI_Bit 0x02
#define	EI_Bit 0x04
#define	DOI_Bit 0x08
#define	WUI_Bit 0x10
#define	EPI_Bit 0x20
#define	ALI_Bit 0x40
#define	BEI_Bit 0x80
#define	SJA1000_BT0 ((volatile u_char) (sja_base+6))
#define	SJA1000_BT1 ((volatile u_char) (sja_base+7))
#define	SAM_Bit 0x80
#define	SJA1000_OUTCTRL ((volatile u_char) (sja_base+8))
#define	BiPhaseMode 0x00
#define	NormalMode 0x02
#define	ClkOutMode 0x03
#define	OCPOL1_Bit 0x20
#define	Tx1Float 0x00
#define	Tx1PullDn 0x40
#define	Tx1PullUp 0x80
#define	Tx1PshPull 0xC0
#define	OCPOLO_Bit 0x04
#define	Tx0Float 0x00
#define	Tx0PullDn 0x08
#define	Tx0PullUp 0x10
#define	Tx0PshPull 0x18
#define	SJA1000_AC0 ((volatile u_char) (sja_base+16))
#define	SJA1000_AC1 ((volatile u_char) (sja_base+17))
#define	SJA1000_AC2 ((volatile u_char) (sja_base+18))
#define	SJA1000_AC3 ((volatile u_char) (sja_base+19))
#define	SJA1000_AM0 ((volatile u_char) (sja_base+20))
#define	SJA1000_AM1 ((volatile u_char) (sja_base+21))
#define	SJA1000_AM2 ((volatile u_char) (sja_base+22))
#define	SJA1000_AM3 ((volatile u_char) (sja_base+23))
#define	SJA1000_RxFrameInfo ((volatile u_char) (sja_base+16))
#define	SJA1000_Rx1 ((volatile u_char) (sja_base+17))
#define	SJA1000_Rx2 ((volatile u_char) (sja_base+18))
#define	SJA1000_Rx3 ((volatile u_char) (sja_base+19))
#define	SJA1000_Rx4 ((volatile u_char) (sja_base+20))
#define	SJA1000_Rx5 ((volatile u_char) (sja_base+21))
#define	SJA1000_Rx6 ((volatile u_char) (sja_base+22))
#define	SJA1000_Rx7 ((volatile u_char) (sja_base+23))
#define	SJA1000_Rx8 ((volatile u_char) (sja_base+24))
#define	SJA1000_Rx9 ((volatile u_char) (sja_base+25))
#define	SJA1000_Rx10 ((volatile u_char) (sja_base+26))
#define	SJA1000_Rx11 ((volatile u_char) (sja_base+27))
#define	SJA1000_Rx12 ((volatile u_char) (sja_base+28))
#define	TestReg ((volatile u_char) (sja_base+9))
#define	SJA1000_TxFrameInfo ((volatile u_char) (sja_base+16))
#define	SJA1000_Tx1 ((volatile u_char) (sja_base+17))
#define	SJA1000_Tx2 ((volatile u_char) (sja_base+18))
#define	SJA1000_Tx3 ((volatile u_char) (sja_base+19))
#define	SJA1000_Tx4 ((volatile u_char) (sja_base+20))
#define	SJA1000_Tx5 ((volatile u_char) (sja_base+21))
#define	SJA1000_Tx6 ((volatile u_char) (sja_base+22))
#define	SJA1000_Tx7 ((volatile u_char) (sja_base+23))
#define	SJA1000_Tx8 ((volatile u_char) (sja_base+24))
#define	SJA1000_Tx9 ((volatile u_char) (sja_base+25))
#define	SJA1000_Tx10 ((volatile u_char) (sja_base+26))
#define	SJA1000_Tx11 ((volatile u_char) (sja_base+27))
#define	SJA1000_Tx12 ((volatile u_char) (sja_base+28))
#define	SJA1000_TxFrameInfoRd ((volatile u_char) (sja_base+96))
#define	SJA1000_TxRd1 ((volatile u_char) (sja_base+97))
#define	SJA1000_TxRd2 ((volatile u_char) (sja_base+98))
#define	SJA1000_TxRd3 ((volatile u_char) (sja_base+99))
#define	SJA1000_TxRd4 ((volatile u_char) (sja_base+100))
#define	SJA1000_TxRd5 ((volatile u_char) (sja_base+101))
#define	SJA1000_TxRd6 ((volatile u_char) (sja_base+102))
#define	SJA1000_TxRd7 ((volatile u_char) (sja_base+103))
#define	SJA1000_TxRd8 ((volatile u_char) (sja_base+104))
#define	SJA1000_TxRd9 ((volatile u_char) (sja_base+105))
#define	SJA1000_TxRd10 ((volatile u_char) (sja_base+106))
#define	SJA1000_TxRd11 ((volatile u_char) (sja_base+107))
#define	SJA1000_TxRd12 ((volatile u_char) (sja_base+108))
#define	SJA1000_ArbLostCap ((volatile u_char) (sja_base+11))
#define	SJA1000_ErrCodeCap ((volatile u_char) (sja_base+12))
#define	SJA1000_ErrWarnLimit ((volatile u_char) (sja_base+13))
#define	SJA1000_RxErrCount ((volatile u_char) (sja_base+14))
#define	SJA1000_TxErrCount ((volatile u_char) (sja_base+15))
#define	SJA1000_RxMsgCount ((volatile u_char) (sja_base+29))
#define	SJA1000_RxBufStartAdr ((volatile u_char) (sja_base+30))
#define	SJA1000_CLK_DIV ((volatile u_char) (sja_base+31))
#define	DivBy1 0x07
#define	DivBy2 0x00
#define	ClkOff_Bit 0x08
#define	RXINTEN_Bit 0x20
#define	CBP_Bit 0x40
#define	CANMode_Bit 0x80
#define	ClkOutMode 0x03
#define	OCPOL1_Bit 0x20
#define	Tx1Float 0x00
#define	Tx1PullDn 0x40
#define	Tx1PullUp 0x80
#define	Tx1PshPull 0xC0
#define	OCPOL0_Bit 0x04
#define	Tx0Float 0x00
#define	Tx0PullDn 0x08
#define	Presc_MB_16 0x00
#define	SJW_MB_16 0x00
#define	TSEG1_MB_16 0x04
#define	TSEG2_MB_16 0x10
#define	errCAN_INVALID_BAUD 7
#define	CAN_OK 0
#define	CAN_ERR 1
#define	CAN_INIT_SPEED_ERR 1
#define	CAN_NOT_INITIATED 1
#define	CAN_NOT_STARTED 1
#define	CAN_TXBUF_FULL 2
#define	CAN_RXBUF_EMPTY 2
#define	CAN_LOST_FRAME 0x01
#define	CAN_BUS_OFF 0x02
#define	CAN_29 0x80
#define	CAN_RTR 0x40
#define	ClrIntEnSJA 0x00
Variables
NUTDEVICE	devSJA1000
	Device information structure.