ISO TP high level interface. More...

Detailed Description

ISO TP high level interface.

Definition in file isotp.h.

#include "can/can.h"
#include "can/common.h"
#include "thread.h"
#include "ztimer.h"
#include "net/gnrc/pktbuf.h"

Include dependency graph for isotp.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	isotp_fc_options
	The isotp_fc_options struct. More...

struct	isotp_options
	The isotp_options struct. More...

struct	tpcon
	The tpcon struct. More...

struct	isotp
	The isotp struct. More...

Macros
#define	CAN_ISOTP_BS (10)
	Default Block Size for RX Flow Control frames.

#define	CAN_ISOTP_STMIN (5)
	Default STmin for RX Flow Control frames.

#define	CAN_ISOTP_WFTMAX (1)
	Default maximum WFT for TX Flow Control.

Functions
kernel_pid_t	isotp_init (char stack, int stacksize, char priority, const char name)
	Initialize the isotp layer.

int	isotp_send (struct isotp isotp, const void buf, int len, int flags)
	Send data through an isotp channel.

int	isotp_bind (struct isotp isotp, can_reg_entry_t entry, void arg, struct isotp_fc_options fc_options)
	Bind an isotp channel.

int	isotp_release (struct isotp *isotp)
	Release a bound isotp channel.

void	isotp_free_rx (can_rx_data_t *rx)
	Free a received buffer.

flags for isotp behaviour
#define	CAN_ISOTP_RX_FLAGS_MASK 0x0000FFFF
	rx flags mask

#define	CAN_ISOTP_LISTEN_MODE 0x0001
	listen only flag (do not send FC)

#define	CAN_ISOTP_EXTEND_ADDR 0x0002
	enable extended addressing

#define	CAN_ISOTP_TX_PADDING 0x0004
	enable CAN frame padding tx path

#define	CAN_ISOTP_HALF_DUPLEX 0x0040
	half duplex error state handling

#define	CAN_ISOTP_RX_EXT_ADDR 0x0200
	different rx extended addressing

#define	CAN_ISOTP_TX_FLAGS_MASK 0xFFFF0000
	tx flags mask

#define	CAN_ISOTP_TX_DONT_WAIT 0x00010000
	do not send a tx confirmation msg

default configuration values
#define	CAN_ISOTP_DEFAULT_FLAGS 0

#define	CAN_ISOTP_DEFAULT_EXT_ADDRESS 0x00

#define	CAN_ISOTP_DEFAULT_PAD_CONTENT 0xCC /* prevent bit-stuffing */

#define	CAN_ISOTP_DEFAULT_FRAME_TXTIME 0

#define	CAN_ISOTP_DEFAULT_RECV_BS 0

#define	CAN_ISOTP_DEFAULT_RECV_STMIN 0x00

#define	CAN_ISOTP_DEFAULT_RECV_WFTMAX 0

Data Structures