Updated configure and fixes in Makefiles.in for cygwin compiling.
/* canmsg.h - common kernel-space and user-space CAN message structure
* Linux CAN-bus device driver.
* Written by Pavel Pisa - OCERA team member
* email:pisa@cmp.felk.cvut.cz
* This software is released under the GPL-License.
* Version lincan-0.3 17 Jun 2004
*/
#ifndef _CANMSG_T_H
#define _CANMSG_T_H
#ifdef __KERNEL__
#include <linux/time.h>
#include <linux/types.h>
#else /* __KERNEL__ */
#include <sys/time.h>
#include <sys/types.h>
#endif /* __KERNEL__ */
#ifdef __cplusplus
extern "C" {
#endif
/*
* CAN_MSG_VERSION_2 enables new canmsg_t layout compatible with
* can4linux project from http://www.port.de/
*
*/
#define CAN_MSG_VERSION_2
/* Number of data bytes in one CAN message */
#define CAN_MSG_LENGTH 8
#ifdef CAN_MSG_VERSION_2
typedef struct timeval canmsg_tstamp_t ;
typedef unsigned long canmsg_id_t;
/**
* struct canmsg_t - structure representing CAN message
* @flags: message flags
* %MSG_RTR .. message is Remote Transmission Request,
* %MSG_EXT .. message with extended ID,
* %MSG_OVR .. indication of queue overflow condition,
* %MSG_LOCAL .. message originates from this node.
* @cob: communication object number (not used)
* @id: ID of CAN message
* @timestamp: not used
* @length: length of used data
* @data: data bytes buffer
*
* Header: canmsg.h
*/
struct canmsg_t {
int flags;
int cob;
canmsg_id_t id;
canmsg_tstamp_t timestamp;
unsigned short length;
unsigned char data[CAN_MSG_LENGTH];
};
#else /*CAN_MSG_VERSION_2*/
#ifndef PACKED
#define PACKED __attribute__((packed))
#endif
/* Old, deprecated version of canmsg_t structure */
struct canmsg_t {
short flags;
int cob;
canmsg_id_t id;
unsigned long timestamp;
unsigned int length;
unsigned char data[CAN_MSG_LENGTH];
} PACKED;
#endif /*CAN_MSG_VERSION_2*/
typedef struct canmsg_t canmsg_t;
/**
* struct canfilt_t - structure for acceptance filter setup
* @flags: message flags
* %MSG_RTR .. message is Remote Transmission Request,
* %MSG_EXT .. message with extended ID,
* %MSG_OVR .. indication of queue overflow condition,
* %MSG_LOCAL .. message originates from this node.
* there are corresponding mask bits
* %MSG_RTR_MASK, %MSG_EXT_MASK, %MSG_LOCAL_MASK.
* %MSG_PROCESSLOCAL enables local messages processing in the
* combination with global setting
* @queid: CAN queue identification in the case of the multiple
* queues per one user (open instance)
* @cob: communication object number (not used)
* @id: selected required value of cared ID id bits
* @mask: select bits significand for the comparation;
* 1 .. take care about corresponding ID bit, 0 .. don't care
*
* Header: canmsg.h
*/
struct canfilt_t {
int flags;
int queid;
int cob;
canmsg_id_t id;
canmsg_id_t mask;
};
typedef struct canfilt_t canfilt_t;
/* Definitions to use for canmsg_t and canfilt_t flags */
#define MSG_RTR (1<<0)
#define MSG_OVR (1<<1)
#define MSG_EXT (1<<2)
#define MSG_LOCAL (1<<3)
/* If you change above lines, check canque_filtid2internal function */
/* Additional definitions used for canfilt_t only */
#define MSG_FILT_MASK_SHIFT 8
#define MSG_RTR_MASK (MSG_RTR<<MSG_FILT_MASK_SHIFT)
#define MSG_EXT_MASK (MSG_EXT<<MSG_FILT_MASK_SHIFT)
#define MSG_LOCAL_MASK (MSG_LOCAL<<MSG_FILT_MASK_SHIFT)
#define MSG_PROCESSLOCAL (MSG_OVR<<MSG_FILT_MASK_SHIFT)
/* Can message ID mask */
#define MSG_ID_MASK ((1l<<29)-1)
#ifdef __cplusplus
} /* extern "C"*/
#endif
#endif /*_CANMSG_T_H*/