diag_l2_iso9141.h

Freediag contains various drivers (ISO9141, ISO14230, SAEJ1850-VPW, SAEJ1850-PWM) for different adap

/*
 *	freediag - Vehicle Diagnostic Utility
 *
 * CVSID $Id: diag_l2_iso9141.h,v 1.1.1.1 2002/01/15 20:28:17 rpalmeida Exp $
 *
 * Copyright (C) 2001 Richard Almeida & Ibex Ltd ([e-mail])
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *************************************************************************
 *
 * Diag
 *
 * L2 driver for ISO 9141 and ISO 9141-2 interface
 *
 * NOTE: this is only the startcommunications routine, raw routines are
 * used for read/write
 *
 * NOTE: ISO9141/9141-2 do not specify any formatting of the data sent, except
 * that ISO9141-2 says if the address is 0x33 then SAEJ1979 protocol is used.
 *
 * Therefore it is the responsibility of layers above this to format the
 * whole frame, unlike in the ISO14230 L2 code which does this
 *
 */

int
diag_l2_proto_9141_sc_common(diag_l2_conn_t *d_l2_conn, int bitrate,
		u_int8_t target, u_int8_t source, int kb1, int kb2);

int
diag_l2_proto_9141_startcomms( diag_l2_conn_t	*d_l2_conn, u_int16_t flags,
	int bitrate, u_int8_t target, u_int8_t source);

int
diag_l2_proto_9141_2_startcomms( diag_l2_conn_t	*d_l2_conn, u_int16_t flags,
	int bitrate, u_int8_t target, u_int8_t source);


/*
 * Read data, attempts to get complete set of responses (using timeout stuff)
 *
 */
int
diag_l2_proto_9141_int_recv(diag_l2_conn_t *d_l2_conn, int timeout);

int
diag_l2_proto_9141_recv(diag_l2_conn_t *d_l2_conn, int timeout,
	void (*callback)(void *handle, diag_msg_t *msg), void *handle);

/*
 * Just send the data, with no processing etc, but insert the
 * inter-frame delay (p2).
 * Note, we copy the 1st two bytes as the source and dest address
 * into the l2_conn info, so that in ISO9141-2 code below it has the
 * addresses for doing idle timeout
 */
int
diag_l2_proto_9141_send(diag_l2_conn_t *d_l2_conn, diag_msg_t *msg);

diag_msg_t *
diag_l2_proto_9141_request(diag_l2_conn_t *d_l2_conn, diag_msg_t *msg,
		int *errval);