2 * Copyright (C) 2015, 2019 "IoT.bzh"
3 * Author "Romain Forlot" <romain.forlot@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
20 #define CAN_MESSAGE_SIZE 8
22 #define MAX_BCM_CAN_FRAMES 257
23 #define MAX_ISOTP_FRAMES 4096
25 #define J1939_CAN_ID CAN_EFF_FLAG
26 #define J1939_CAN_MASK (CAN_EFF_FLAG | CAN_RTR_FLAG)
28 #define CAN_ISOTP_MAX_DLEN 4096
30 #define NO_CAN_ID 0xFFFFFFFFU
33 * FLAGS defining how to open socket and how you could decode the frame
35 #define CAN_PROTOCOL 0x0001
36 #define CAN_PROTOCOL_WITH_FD_FRAME 0x0002
37 #define J1939_ADDR_CLAIM_PROTOCOL 0x0004
38 #define J1939_PROTOCOL 0x0008
39 #define ISOTP_PROTOCOL 0x0010
40 #define ISOTP_SEND 0x0020
41 #define ISOTP_RECEIVE 0x0040
42 #define BYTE_FRAME_IS_BIG_ENDIAN 0x0080
43 #define BIT_POSITION_REVERSED 0x0100
44 #define CONTINENTAL_BIT_POSITION 0x0200
45 #define INVALID_FLAG 0x8000