#include <linux/init.h>
#include <linux/signal.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/usb.h>
#include <linux/can.h>
#include <linux/can/dev.h>
#include <linux/can/error.h>

Data Structures
struct	cpc_can_msg

struct	cpc_sja1000_params

struct	cpc_can_params

struct	cpc_confirm

struct	cpc_overrun

struct	cpc_sja1000_can_error

struct	cpc_can_error

struct	cpc_can_err_counter

struct	ems_cpc_msg

struct	ems_tx_urb_context

struct	ems_usb

Macros
#define	CONTR_CAN_MESSAGE 0x04

#define	CONTR_CAN_STATE 0x0C

#define	CONTR_BUS_ERROR 0x1C

#define	CONTR_CONT_OFF 0

#define	CONTR_CONT_ON 1

#define	CONTR_ONCE 2

#define	CPC_MSG_TYPE_CAN_FRAME 1 /* CAN data frame */

#define	CPC_MSG_TYPE_RTR_FRAME 8 /* CAN remote frame */

#define	CPC_MSG_TYPE_CAN_PARAMS 12 /* Actual CAN parameters */

#define	CPC_MSG_TYPE_CAN_STATE 14 /* CAN state message */

#define	CPC_MSG_TYPE_EXT_CAN_FRAME 16 /* Extended CAN data frame */

#define	CPC_MSG_TYPE_EXT_RTR_FRAME 17 /* Extended remote frame */

#define	CPC_MSG_TYPE_CONTROL 19 /* change interface behavior */

#define	CPC_MSG_TYPE_CONFIRM 20 /* command processed confirmation */

#define	CPC_MSG_TYPE_OVERRUN 21 /* overrun events */

#define	CPC_MSG_TYPE_CAN_FRAME_ERROR 23 /* detected bus errors */

#define	CPC_MSG_TYPE_ERR_COUNTER 25 /* RX/TX error counter */

#define	CPC_CMD_TYPE_CAN_FRAME 1 /* CAN data frame */

#define	CPC_CMD_TYPE_CONTROL 3 /* control of interface behavior */

#define	CPC_CMD_TYPE_CAN_PARAMS 6 /* set CAN parameters */

#define	CPC_CMD_TYPE_RTR_FRAME 13 /* CAN remote frame */

#define	CPC_CMD_TYPE_CAN_STATE 14 /* CAN state message */

#define	CPC_CMD_TYPE_EXT_CAN_FRAME 15 /* Extended CAN data frame */

#define	CPC_CMD_TYPE_EXT_RTR_FRAME 16 /* Extended CAN remote frame */

#define	CPC_CMD_TYPE_CAN_EXIT 200 /* exit the CAN */

#define	CPC_CMD_TYPE_INQ_ERR_COUNTER 25 /* request the CAN error counters */

#define	CPC_CMD_TYPE_CLEAR_MSG_QUEUE 8 /* clear CPC_MSG queue */

#define	CPC_CMD_TYPE_CLEAR_CMD_QUEUE 28 /* clear CPC_CMD queue */

#define	CPC_CC_TYPE_SJA1000 2 /* Philips basic CAN controller */

#define	CPC_CAN_ECODE_ERRFRAME 0x01 /* Ecode type */

#define	CPC_OVR_EVENT_CAN 0x01

#define	CPC_OVR_EVENT_CANSTATE 0x02

#define	CPC_OVR_EVENT_BUSERROR 0x04

#define	CPC_OVR_HW 0x80

#define	CPC_MSG_HEADER_LEN 11

#define	CPC_CAN_MSG_MIN_SIZE 5

#define	USB_CPCUSB_VENDOR_ID 0x12D6

#define	USB_CPCUSB_ARM7_PRODUCT_ID 0x0444

#define	SJA1000_MOD_NORMAL 0x00

#define	SJA1000_MOD_RM 0x01

#define	SJA1000_ECC_SEG 0x1F

#define	SJA1000_ECC_DIR 0x20

#define	SJA1000_ECC_ERR 0x06

#define	SJA1000_ECC_BIT 0x00

#define	SJA1000_ECC_FORM 0x40

#define	SJA1000_ECC_STUFF 0x80

#define	SJA1000_ECC_MASK 0xc0

#define	SJA1000_SR_BS 0x80

#define	SJA1000_SR_ES 0x40

#define	SJA1000_DEFAULT_OUTPUT_CONTROL 0xDA

#define	EMS_USB_ARM7_CLOCK 8000000

#define	RX_BUFFER_SIZE 64

#define	CPC_HEADER_SIZE 4

#define	INTR_IN_BUFFER_SIZE 4

#define	MAX_RX_URBS 10

#define	MAX_TX_URBS 10

Functions
	MODULE_AUTHOR ("Sebastian Haas <[email protected]>")

	MODULE_DESCRIPTION ("CAN driver for EMS Dr. Thomas Wuensche CAN/USB interfaces")

	MODULE_LICENSE ("GPL v2")

	MODULE_DEVICE_TABLE (usb, ems_usb_table)

	module_usb_driver (ems_usb_driver)

Macro Definition Documentation

#define CONTR_BUS_ERROR 0x1C

Definition at line 37 of file ems_usb.c.

#define CONTR_CAN_MESSAGE 0x04

Definition at line 35 of file ems_usb.c.

#define CONTR_CAN_STATE 0x0C

Definition at line 36 of file ems_usb.c.

#define CONTR_CONT_OFF 0

Definition at line 40 of file ems_usb.c.

#define CONTR_CONT_ON 1

Definition at line 41 of file ems_usb.c.

#define CONTR_ONCE 2

Definition at line 42 of file ems_usb.c.

#define CPC_CAN_ECODE_ERRFRAME 0x01 /* Ecode type */

Definition at line 73 of file ems_usb.c.

#define CPC_CAN_MSG_MIN_SIZE 5

Definition at line 88 of file ems_usb.c.

#define CPC_CC_TYPE_SJA1000 2 /* Philips basic CAN controller */

Definition at line 71 of file ems_usb.c.

#define CPC_CMD_TYPE_CAN_EXIT 200 /* exit the CAN */

Definition at line 65 of file ems_usb.c.

#define CPC_CMD_TYPE_CAN_FRAME 1 /* CAN data frame */

Definition at line 58 of file ems_usb.c.

#define CPC_CMD_TYPE_CAN_PARAMS 6 /* set CAN parameters */

Definition at line 60 of file ems_usb.c.

#define CPC_CMD_TYPE_CAN_STATE 14 /* CAN state message */

Definition at line 62 of file ems_usb.c.

#define CPC_CMD_TYPE_CLEAR_CMD_QUEUE 28 /* clear CPC_CMD queue */

Definition at line 69 of file ems_usb.c.

#define CPC_CMD_TYPE_CLEAR_MSG_QUEUE 8 /* clear CPC_MSG queue */

Definition at line 68 of file ems_usb.c.

#define CPC_CMD_TYPE_CONTROL 3 /* control of interface behavior */

Definition at line 59 of file ems_usb.c.

#define CPC_CMD_TYPE_EXT_CAN_FRAME 15 /* Extended CAN data frame */

Definition at line 63 of file ems_usb.c.

#define CPC_CMD_TYPE_EXT_RTR_FRAME 16 /* Extended CAN remote frame */

Definition at line 64 of file ems_usb.c.

#define CPC_CMD_TYPE_INQ_ERR_COUNTER 25 /* request the CAN error counters */

Definition at line 67 of file ems_usb.c.

#define CPC_CMD_TYPE_RTR_FRAME 13 /* CAN remote frame */

Definition at line 61 of file ems_usb.c.

#define CPC_HEADER_SIZE 4

Definition at line 231 of file ems_usb.c.

#define CPC_MSG_HEADER_LEN 11

Definition at line 87 of file ems_usb.c.

#define CPC_MSG_TYPE_CAN_FRAME 1 /* CAN data frame */

Definition at line 45 of file ems_usb.c.

#define CPC_MSG_TYPE_CAN_FRAME_ERROR 23 /* detected bus errors */

Definition at line 54 of file ems_usb.c.

#define CPC_MSG_TYPE_CAN_PARAMS 12 /* Actual CAN parameters */

Definition at line 47 of file ems_usb.c.

#define CPC_MSG_TYPE_CAN_STATE 14 /* CAN state message */

Definition at line 48 of file ems_usb.c.

#define CPC_MSG_TYPE_CONFIRM 20 /* command processed confirmation */

Definition at line 52 of file ems_usb.c.

#define CPC_MSG_TYPE_CONTROL 19 /* change interface behavior */

Definition at line 51 of file ems_usb.c.

#define CPC_MSG_TYPE_ERR_COUNTER 25 /* RX/TX error counter */

Definition at line 55 of file ems_usb.c.

#define CPC_MSG_TYPE_EXT_CAN_FRAME 16 /* Extended CAN data frame */

Definition at line 49 of file ems_usb.c.

#define CPC_MSG_TYPE_EXT_RTR_FRAME 17 /* Extended remote frame */

Definition at line 50 of file ems_usb.c.

#define CPC_MSG_TYPE_OVERRUN 21 /* overrun events */

Definition at line 53 of file ems_usb.c.

#define CPC_MSG_TYPE_RTR_FRAME 8 /* CAN remote frame */

Definition at line 46 of file ems_usb.c.

#define CPC_OVR_EVENT_BUSERROR 0x04

Definition at line 78 of file ems_usb.c.

#define CPC_OVR_EVENT_CAN 0x01

Definition at line 76 of file ems_usb.c.

#define CPC_OVR_EVENT_CANSTATE 0x02

Definition at line 77 of file ems_usb.c.

#define CPC_OVR_HW 0x80

Definition at line 84 of file ems_usb.c.

#define EMS_USB_ARM7_CLOCK 8000000

Definition at line 119 of file ems_usb.c.

#define INTR_IN_BUFFER_SIZE 4

Definition at line 232 of file ems_usb.c.

#define MAX_RX_URBS 10

Definition at line 234 of file ems_usb.c.

#define MAX_TX_URBS 10

Definition at line 235 of file ems_usb.c.

#define RX_BUFFER_SIZE 64

Definition at line 230 of file ems_usb.c.

#define SJA1000_DEFAULT_OUTPUT_CONTROL 0xDA

Definition at line 112 of file ems_usb.c.

#define SJA1000_ECC_BIT 0x00

Definition at line 103 of file ems_usb.c.

#define SJA1000_ECC_DIR 0x20

Definition at line 101 of file ems_usb.c.

#define SJA1000_ECC_ERR 0x06

Definition at line 102 of file ems_usb.c.

#define SJA1000_ECC_FORM 0x40

Definition at line 104 of file ems_usb.c.

#define SJA1000_ECC_MASK 0xc0

Definition at line 106 of file ems_usb.c.

#define SJA1000_ECC_SEG 0x1F

Definition at line 100 of file ems_usb.c.

#define SJA1000_ECC_STUFF 0x80

Definition at line 105 of file ems_usb.c.

#define SJA1000_MOD_NORMAL 0x00

Definition at line 96 of file ems_usb.c.

#define SJA1000_MOD_RM 0x01

Definition at line 97 of file ems_usb.c.

#define SJA1000_SR_BS 0x80

Definition at line 109 of file ems_usb.c.

#define SJA1000_SR_ES 0x40

Definition at line 110 of file ems_usb.c.

#define USB_CPCUSB_ARM7_PRODUCT_ID 0x0444

Definition at line 93 of file ems_usb.c.

#define USB_CPCUSB_VENDOR_ID 0x12D6

Definition at line 91 of file ems_usb.c.

Function Documentation

MODULE_AUTHOR ( "Sebastian Haas <[email protected]>" )

MODULE_DESCRIPTION ( "CAN driver for EMS Dr. Thomas Wuensche CAN/USB interfaces" )

MODULE_DEVICE_TABLE	(	usb	,
		ems_usb_table
	)

MODULE_LICENSE ( "GPL v2" )

module_usb_driver ( ems_usb_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation