occan.h File Reference

Driver API for GRLIB wrapper to OpenCores CAN. More...

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Data Structures
struct	CANMsg
struct	occan_stats
struct	occan_afilter

Macros
#define	OCCAN_SEG_ID28   0x02 /* ID field bit 28:21 */
#define	OCCAN_SEG_ID20   0x06 /* ID field bit 20:18 */
#define	OCCAN_SEG_ID17   0x07 /* ID field bit 17:13 */
#define	OCCAN_SEG_ID12   0x0f /* ID field bit 12:5 */
#define	OCCAN_SEG_ID4   0x0e /* ID field bit 4:0 */
#define	OCCAN_SEG_START   0x03 /* Start of Frame */
#define	OCCAN_SEG_SRTR   0x04 /* Bit SRTR */
#define	OCCAN_SEG_IDE   0x05 /* Bit IDE */
#define	OCCAN_SEG_RTR   0x0c /* Bit RTR */
#define	OCCAN_SEG_RSV0   0x09 /* Reserved bit 0 */
#define	OCCAN_SEG_RSV1   0x0d /* Reserved bit 1 */
#define	OCCAN_SEG_DLEN   0x0b /* Data Length code */
#define	OCCAN_SEG_DFIELD   0x0a /* Data Field */
#define	OCCAN_SEG_CRC_SEQ   0x08 /* CRC Sequence */
#define	OCCAN_SEG_CRC_DELIM   0x18 /* CRC Delimiter */
#define	OCCAN_SEG_ACK_SLOT   0x19 /* Acknowledge slot */
#define	OCCAN_SEG_ACK_DELIM   0x1b /* Acknowledge delimiter */
#define	OCCAN_SEG_EOF   0x1a /* End Of Frame */
#define	OCCAN_SEG_INTERMISSION   0x12 /* Intermission */
#define	OCCAN_SEG_ACT_ERR   0x11 /* Active error flag */
#define	OCCAN_SEG_PASS_ERR   0x16 /* Passive error flag */
#define	OCCAN_SEG_DOMINANT   0x13 /* Tolerate dominant bits */
#define	OCCAN_SEG_EDELIM   0x17 /* Error delimiter */
#define	OCCAN_SEG_OVERLOAD   0x1c /* overload flag */
#define	CANMSG_OPT_RTR   0x40 /* RTR Frame */
#define	CANMSG_OPT_EXTENDED   0x80 /* Exteneded frame */
#define	CANMSG_OPT_SSHOT   0x01 /* Single Shot, no retry */
#define	OCCAN_IOC_START   1
#define	OCCAN_IOC_STOP   2
#define	OCCAN_IOC_GET_CONF   3
#define	OCCAN_IOC_GET_STATS   4
#define	OCCAN_IOC_GET_STATUS   5
#define	OCCAN_IOC_SET_SPEED   6
#define	OCCAN_IOC_SPEED_AUTO   7
#define	OCCAN_IOC_SET_LINK   8
#define	OCCAN_IOC_SET_FILTER   9
#define	OCCAN_IOC_SET_BLK_MODE   10
#define	OCCAN_IOC_SET_BUFLEN   11
#define	OCCAN_IOC_SET_BTRS   12
#define	OCCAN_STATUS_RESET   0x01
#define	OCCAN_STATUS_OVERRUN   0x02
#define	OCCAN_STATUS_WARN   0x04
#define	OCCAN_STATUS_ERR_PASSIVE   0x08
#define	OCCAN_STATUS_ERR_BUSOFF   0x10
#define	OCCAN_STATUS_QUEUE_ERROR   0x80
#define	OCCAN_BLK_MODE_RX   0x1
#define	OCCAN_BLK_MODE_TX   0x2
#define	OCCAN_SPEED_500K   500000
#define	OCCAN_SPEED_250K   250000
#define	OCCAN_SPEED_125K   125000
#define	OCCAN_SPEED_75K   75000
#define	OCCAN_SPEED_50K   50000
#define	OCCAN_SPEED_25K   25000
#define	OCCAN_SPEED_10K   10000

Functions
void	occan_register_drv (void)

Detailed Description

Driver API for GRLIB wrapper to OpenCores CAN.