CanFestival: drivers/can_lincan/lincan.h Source File

00001 /* can.h
+00002  * Header file for the Linux CAN-bus driver.
+00003  * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+00004  * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+00005  * email:pisa@cmp.felk.cvut.cz
+00006  * This software is released under the GPL-License.
+00007  * Version lincan-0.3  17 Jun 2004
+00008  */
+00009 
+00010 #ifndef _CAN_DRVAPI_T_H
+00011 #define _CAN_DRVAPI_T_H
+00012 
+00013 #ifdef __KERNEL__
+00014 
+00015 #include <linux/time.h>
+00016 #include <linux/types.h>
+00017 #include <linux/ioctl.h>
+00018 
+00019 #else /* __KERNEL__ */
+00020 
+00021 #include <sys/time.h>
+00022 #include <sys/types.h>
+00023 #include <sys/ioctl.h>
+00024 
+00025 #endif /* __KERNEL__ */
+00026 
+00027 #include "./canmsg.h"
+00028 
+00029 #ifdef __cplusplus
+00030 extern "C" {
+00031 #endif
+00032 
+00033 /* CAN ioctl magic number */
+00034 #define CAN_IOC_MAGIC 'd'
+00035 
+00036 typedef unsigned long bittiming_t;
+00037 typedef unsigned short channel_t;
+00038 
+00049 struct can_baudparams_t {
+00050         long flags;
+00051         long baudrate;
+00052         long sjw;
+00053         long sample_pt;
+00054 };
+00055 
+00056 /* CAN ioctl functions */
+00057 #define CAN_DRV_QUERY _IO(CAN_IOC_MAGIC, 0)
+00058 #define CAN_DRV_QRY_BRANCH    0 /* returns driver branch value - "LINC" for LinCAN driver */
+00059 #define CAN_DRV_QRY_VERSION   1 /* returns driver version as (major<<16) | (minor<<8) | patch */
+00060 #define CAN_DRV_QRY_MSGFORMAT 2 /* format of canmsg_t structure */
+00061 
+00062 #define CMD_START _IOW(CAN_IOC_MAGIC, 1, channel_t)
+00063 #define CMD_STOP _IOW(CAN_IOC_MAGIC, 2, channel_t)
+00064 //#define CMD_RESET 3
+00065 
+00066 #define CONF_BAUD _IOW(CAN_IOC_MAGIC, 4, bittiming_t)
+00067 //#define CONF_ACCM
+00068 //#define CONF_XTDACCM
+00069 //#define CONF_TIMING
+00070 //#define CONF_OMODE
+00071 #define CONF_FILTER _IOW(CAN_IOC_MAGIC, 8, unsigned char)
+00072 
+00073 //#define CONF_FENABLE
+00074 //#define CONF_FDISABLE
+00075 
+00076 #define STAT _IO(CAN_IOC_MAGIC, 9)
+00077 #define CANQUE_FILTER _IOW(CAN_IOC_MAGIC, 10, struct canfilt_t)
+00078 #define CANQUE_FLUSH  _IO(CAN_IOC_MAGIC, 11)
+00079 #define CONF_BAUDPARAMS  _IOW(CAN_IOC_MAGIC, 11, struct can_baudparams_t)
+00080 #define CANRTR_READ  _IOWR(CAN_IOC_MAGIC, 12, struct canmsg_t)
+00081 
+00082 #ifdef __cplusplus
+00083 } /* extern "C"*/
+00084 #endif
+00085 
+00086 #endif /*_CAN_DRVAPI_T_H*/
+