can4linux.h

/*
 * can4linux.h - can4linux CAN driver module
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (c) 2001 port GmbH Halle/Saale
 *------------------------------------------------------------------
 * $Header: /z2/cvsroot/products/0530/software/can4linux/src/can4linux.h,v 1.12 2006/09/08 09:45:19 oe Exp $
 *
 *--------------------------------------------------------------------------
 *
 *
 *
 *
 *--------------------------------------------------------------------------
 */


#ifndef __CAN_H
#define __CAN_H


# define CAN4LINUXVERSION 0x0304 /*(Version 3.4)*/

#ifndef __KERNEL__
#include <sys/time.h>
#endif
 /*---------- the can message structure */

#define CAN_MSG_LENGTH 8                
#define MSG_RTR         (1<<0)          
#define MSG_OVR         (1<<1)          
#define MSG_EXT         (1<<2)          
#define MSG_SELF        (1<<3)          
#define MSG_PASSIVE     (1<<4)          
#define MSG_BUSOFF      (1<<5)          
#define MSG_            (1<<6)          
#define MSG_BOVR        (1<<7)          
#define MSG_ERR_MASK    (MSG_OVR + MSG_PASSIVE + MSG_BUSOFF + MSG_BOVR)

typedef struct {
    int             flags;
    int             cob;         
    unsigned   long id;          
    struct timeval  timestamp;   
    short      int  length;      
    unsigned   char data[CAN_MSG_LENGTH]; 
} canmsg_t;



/* Use 'c' as magic number, follow chapter 6 of LDD3 */
#define CAN4L_IOC_MAGIC 'c'

#define CAN_IOCTL_COMMAND        0      
#define CAN_IOCTL_CONFIG         1      
#define CAN_IOCTL_SEND           2      
#define CAN_IOCTL_RECEIVE        3      
#define CAN_IOCTL_CONFIGURERTR   4      
#define CAN_IOCTL_STATUS         5      
/*---------- CAN ioctl parameter types */

struct Command_par {
    int cmd;                    
    int target;                 
    unsigned long val1;         
    unsigned long val2;         
    int error;                  
    unsigned long retval;       
};


typedef struct Command_par Command_par_t ; 
typedef struct Command_par  Config_par_t ; 
typedef struct CanStatusPar { 
    unsigned int baud;                  
    unsigned int status;                
    unsigned int error_warning_limit;   
    unsigned int rx_errors;             
    unsigned int tx_errors;             
    unsigned int error_code;            
    unsigned int rx_buffer_size;        
    unsigned int rx_buffer_used;        
    unsigned int tx_buffer_size;        
    unsigned int tx_buffer_used;        
    unsigned long retval;               
    unsigned int type;                  
} CanStatusPar_t;

#define CAN_TYPE_UNSPEC         0
#define CAN_TYPE_SJA1000        1
#define CAN_TYPE_FlexCAN        2
#define CAN_TYPE_TouCAN         3
#define CAN_TYPE_82527          4
#define CAN_TYPE_TwinCAN        5
#define CAN_TYPE_BlackFinCAN    6


typedef struct Send_par {
    canmsg_t *Tx;               
    int error;                  
    unsigned long retval;       
} Send_par_t ;

typedef struct Receive_par {
    canmsg_t *Rx;               
    int error;                  
    unsigned long retval;       
} Receive_par_t ;

typedef struct ConfigureRTR_par {
    unsigned message;           
    canmsg_t *Tx;               
    int error;                  
    unsigned long retval;       
} ConfigureRTR_par_t ;

# define CMD_START              1
# define CMD_STOP               2
# define CMD_RESET              3
# define CMD_CLEARBUFFERS       4




# define CONF_ACC       0       /* mask and code */
# define CONF_ACCM      1       /* mask only */
# define CONF_ACCC      2       /* code only */
# define CONF_TIMING    3       /* bit timing */
# define CONF_OMODE     4       /* output control register */
# define CONF_FILTER    5
# define CONF_FENABLE   6
# define CONF_FDISABLE  7
# define CONF_LISTEN_ONLY_MODE  8       /* for SJA1000 PeliCAN */
# define CONF_SELF_RECEPTION    9       /* */
# define CONF_BTR               10      /* set direct bit timing registers
                                           (SJA1000) */
# define CONF_TIMESTAMP         11      /* use TS in received messages */
# define CONF_WAKEUP            12      /* wake up processes */

#endif  /* __CAN_H */

---