+/**************************************************************************/
+/* File: can.h - CAN driver IOCTL and messages interface */
+/* */
+/* LinCAN - (Not only) Linux CAN bus driver */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz> */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz> */
+/* Funded by OCERA and FRESCOR IST projects */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl> */
+/* */
+/* LinCAN is free software; you can redistribute it and/or modify it */
+/* under terms of the GNU General Public License as published by the */
+/* Free Software Foundation; either version 2, or (at your option) any */
+/* later version. LinCAN is distributed in the hope that it will be */
+/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */
+/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
+/* General Public License for more details. You should have received a */
+/* copy of the GNU General Public License along with LinCAN; see file */
+/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */
+/* Cambridge, MA 02139, USA. */
+/* */
+/* To allow use of LinCAN in the compact embedded systems firmware */
+/* and RT-executives (RTEMS for example), main authors agree with next */
+/* special exception: */
+/* */
+/* Including LinCAN header files in a file, instantiating LinCAN generics */
+/* or templates, or linking other files with LinCAN objects to produce */
+/* an application image/executable, does not by itself cause the */
+/* resulting application image/executable to be covered by */
+/* the GNU General Public License. */
+/* This exception does not however invalidate any other reasons */
+/* why the executable file might be covered by the GNU Public License. */
+/* Publication of enhanced or derived LinCAN files is required although. */
+/**************************************************************************/
+
+#ifndef _CAN_DRVAPI_T_H
+#define _CAN_DRVAPI_T_H
+
+#ifdef __KERNEL__
+
+#include <linux/time.h>
#include <linux/types.h>
#include <linux/ioctl.h>
-#ifndef PACKED
-#define PACKED __attribute__((packed))
-#endif
+#else /* __KERNEL__ */
-#define CAN_MSG_LENGTH 8
+#include <inttypes.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
-struct canmsg_t {
- short flags;
- int cob;
- unsigned long id;
- unsigned long timestamp;
- unsigned int length;
- unsigned char data[CAN_MSG_LENGTH];
-} PACKED;
+#endif /* __KERNEL__ */
-/* Definitions to use for canmsg_t flags */
-#define MSG_RTR (1<<0)
-#define MSG_OVR (1<<1)
-#define MSG_EXT (1<<2)
+#include "./canmsg.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
/* CAN ioctl magic number */
#define CAN_IOC_MAGIC 'd'
typedef unsigned long bittiming_t;
typedef unsigned short channel_t;
+/**
+ * struct can_baudparams_t - datatype for calling CONF_BAUDPARAMS IOCTL
+ * @flags: reserved for additional flags for chip configuration, should be written -1 or 0
+ * @baudrate: baud rate in Hz
+ * @sjw: synchronization jump width (0-3) prescaled clock cycles
+ * @sampl_pt: sample point in % (0-100) sets (TSEG1+1)/(TSEG1+TSEG2+2) ratio
+ *
+ * The structure is used to configure new set of parameters into CAN controller chip.
+ * If default value of some field should be preserved, fill field by value -1.
+ */
+struct can_baudparams_t {
+ long flags;
+ long baudrate;
+ long sjw;
+ long sample_pt;
+};
+
/* CAN ioctl functions */
+#define CAN_DRV_QUERY _IO(CAN_IOC_MAGIC, 0)
+#define CAN_DRV_QRY_BRANCH 0 /* returns driver branch value - "LINC" for LinCAN driver */
+#define CAN_DRV_QRY_VERSION 1 /* returns driver version as (major<<16) | (minor<<8) | patch */
+#define CAN_DRV_QRY_MSGFORMAT 2 /* format of canmsg_t structure */
+
#define CMD_START _IOW(CAN_IOC_MAGIC, 1, channel_t)
#define CMD_STOP _IOW(CAN_IOC_MAGIC, 2, channel_t)
//#define CMD_RESET 3
//#define CONF_TIMING
//#define CONF_OMODE
#define CONF_FILTER _IOW(CAN_IOC_MAGIC, 8, unsigned char)
+
//#define CONF_FENABLE
//#define CONF_FDISABLE
-
#define STAT _IO(CAN_IOC_MAGIC, 9)
+#define CANQUE_FILTER _IOW(CAN_IOC_MAGIC, 10, struct canfilt_t)
+#define CANQUE_FLUSH _IO(CAN_IOC_MAGIC, 11)
+#define CONF_BAUDPARAMS _IOW(CAN_IOC_MAGIC, 11, struct can_baudparams_t)
+#define CANRTR_READ _IOWR(CAN_IOC_MAGIC, 12, struct canmsg_t)
+
+#ifdef __cplusplus
+} /* extern "C"*/
+#endif
+
+#endif /*_CAN_DRVAPI_T_H*/
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