GRCAN

Macros used for grcan controller. More...

Files
file	grcan.h
file	occan.h
	Gaisler wrapper to OpenCores CAN - driver interface.

Data Structures
struct	grcan_regs
struct	grcan_stats
struct	grcan_timing
struct	grcan_selection
struct	grcan_filter
struct	CANMsg

Macros
#define	GRCAN_CFG_ABORT   0x00000001
#define	GRCAN_CFG_ENABLE0   0x00000002
#define	GRCAN_CFG_ENABLE1   0x00000004
#define	GRCAN_CFG_SELECTION   0x00000008
#define	GRCAN_CFG_SILENT   0x00000010
#define	GRCAN_CFG_BPR   0x00000300
#define	GRCAN_CFG_RSJ   0x00007000
#define	GRCAN_CFG_PS1   0x00f00000
#define	GRCAN_CFG_PS2   0x000f0000
#define	GRCAN_CFG_SCALER   0xff000000
#define	GRCAN_CFG_BPR_BIT   8
#define	GRCAN_CFG_RSJ_BIT   12
#define	GRCAN_CFG_PS1_BIT   20
#define	GRCAN_CFG_PS2_BIT   16
#define	GRCAN_CFG_SCALER_BIT   24
#define	GRCAN_CTRL_RESET   0x2
#define	GRCAN_CTRL_ENABLE   0x1
#define	GRCAN_TXCTRL_ENABLE   1
#define	GRCAN_TXCTRL_ONGOING   1
#define	GRCAN_RXCTRL_ENABLE   1
#define	GRCAN_RXCTRL_ONGOING   1
#define	GRCAN_IRQ_IRQ   0
#define	GRCAN_IRQ_TXSYNC   1
#define	GRCAN_IRQ_RXSYNC   2
#define	GRCAN_ERR_IRQ   0x1
#define	GRCAN_OFF_IRQ   0x2
#define	GRCAN_OR_IRQ   0x4
#define	GRCAN_RXAHBERR_IRQ   0x8
#define	GRCAN_TXAHBERR_IRQ   0x10
#define	GRCAN_RXIRQ_IRQ   0x20
#define	GRCAN_TXIRQ_IRQ   0x40
#define	GRCAN_RXFULL_IRQ   0x80
#define	GRCAN_TXEMPTY_IRQ   0x100
#define	GRCAN_RX_IRQ   0x200
#define	GRCAN_TX_IRQ   0x400
#define	GRCAN_RXSYNC_IRQ   0x800
#define	GRCAN_TXSYNC_IRQ   0x1000
#define	GRCAN_RXERR_IRQ   0x2000
#define	GRCAN_TXERR_IRQ   0x4000
#define	GRCAN_RXMISS_IRQ   0x8000
#define	GRCAN_TXLOSS_IRQ   0x10000
#define	GRCAN_STAT_PASS   0x1
#define	GRCAN_STAT_OFF   0x2
#define	GRCAN_STAT_OR   0x4
#define	GRCAN_STAT_AHBERR   0x8
#define	GRCAN_STAT_ACTIVE   0x10
#define	GRCAN_STAT_RXERRCNT   0xff00
#define	GRCAN_STAT_TXERRCNT   0xff0000

Enumerations
enum	{   GRCAN_RET_OK = 0, GRCAN_RET_INVARG = -1, GRCAN_RET_NOTSTARTED = -2, GRCAN_RET_TIMEOUT = -3,   GRCAN_RET_BUSOFF = -4, GRCAN_RET_AHBERR = -5 }
enum	grcan_state { STATE_STOPPED = 0, STATE_STARTED = 1, STATE_BUSOFF = 2, STATE_AHBERR = 3 }

Functions
int	grcan_dev_count (void)
void *	grcan_open (int dev_no)
void *	grcan_open_by_name (char *name, int *dev_no)
int	grcan_close (void *d)
int	grcan_read (void *d, CANMsg *msg, size_t count)
int	grcan_write (void *d, CANMsg *msg, size_t count)
int	grcan_get_state (void *d)
int	grcan_start (void *d)
int	grcan_stop (void *d)
int	grcan_flush (void *d)
int	grcan_set_silent (void *d, int silent)
int	grcan_set_abort (void *d, int abort)
int	grcan_set_selection (void *d, const struct grcan_selection *selection)
int	grcan_set_speed (void *d, unsigned int hz)
int	grcan_set_btrs (void *d, const struct grcan_timing *timing)
int	grcan_set_rxblock (void *d, int block)
int	grcan_set_txblock (void *d, int block)
int	grcan_set_txcomplete (void *d, int complete)
int	grcan_set_rxcomplete (void *d, int complete)
int	grcan_get_stats (void *d, struct grcan_stats *stats)
int	grcan_clr_stats (void *d)
int	grcan_set_afilter (void *d, const struct grcan_filter *filter)
int	grcan_set_sfilter (void *d, const struct grcan_filter *filter)
int	grcan_get_status (void *d, unsigned int *status)
void	grcan_register_drv (void)

Detailed Description

Macros used for grcan controller.