| /****************************************************************************** | |
| * Copyright (c) 2010, 2016 Ericsson AB | |
| * All rights reserved. This program and the accompanying materials | |
| * are made available under the terms of the Eclipse Public License v1.0 | |
| * which accompanies this distribution, and is available at | |
| * http://www.eclipse.org/legal/epl-v10.html | |
| * | |
| * Contributors: | |
| * Michael Josenhans | |
| ******************************************************************************/ | |
| module Can | |
| { | |
| import from General_Types all; | |
| // special address description flags for the CAN_ID | |
| // should become an enum, definedable as hex | |
| const octetstring CAN_EFF_FLAG := '80000000'O; // EFF/SFF is set in the MSB | |
| const octetstring CAN_RTR_FLAG := '40000000'O; // remote transmission request | |
| const octetstring CAN_ERR_FLAG := '20000000'O; // error message frame | |
| // valid bits in CAN ID for frame formats | |
| const octetstring CAN_SFF_MASK := '000007FF'O // standard frame format (SFF) | |
| const octetstring CAN_EFF_MASK := '1FFFFFFF'O // extended frame format (EFF) | |
| const octetstring CAN_ERR_MASK := '1FFFFFFF'O // omit EFF, RTR, ERR flags | |
| type enumerated AdresseFamily_enum | |
| { | |
| // Supported address families | |
| PF_CAN (29) // Controller Area Network | |
| } | |
| // Supported address families | |
| const integer AF_CAN := 29; // See /include/linux/socket.h | |
| type enumerated ProtocolFamily_enum { | |
| //SOCK_STREAM (1), | |
| SOCK_DGRAM (2), | |
| SOCK_RAW (3) | |
| //SOCK_RDM (4), | |
| //SOCK_SEQPACKET (5), | |
| //SOCK_DCCP (6), | |
| //SOCK_PACKET (10) | |
| } | |
| // particular protocols of the protocol family PF_CAN | |
| type enumerated PF_CAN_protocols_enum { | |
| CAN_RAW (1), // RAW sockets | |
| CAN_BCM (2), // Broadcast Manager | |
| CAN_TP16 (3), // VAG Transport Protocol v1.6 | |
| CAN_TP20 (4), // VAG Transport Protocol v2.0 | |
| CAN_MCNET (5), // Bosch MCNet | |
| CAN_ISOTP (6), // ISO 15765-2 Transport Protocol | |
| CAN_NPROTO (7) | |
| } | |
| // CAN payload length and DLC definitions according to ISO 11898-1 | |
| // See /usr/include/linux/can.h | |
| const integer CAN_MAX_DLEN := 8; | |
| // CAN FD payload length and DLC definitions according to ISO 11898-7 | |
| // See /usr/include/linux/can.h | |
| const integer CANFD_MAX_DLEN := 64; | |
| // should be octetstring length (4); | |
| type octetstring CAN_id length (4); | |
| type bitstring CAN_flags length (8); // only used with CAN FD | |
| type octetstring CAN_PDU; | |
| type record CAN_frame { | |
| CAN_id can_id, // 32 bit CAN_ID + EFF/RTR/ | |
| CAN_PDU can_pdu length (0 .. CAN_MAX_DLEN) | |
| } | |
| type record CANFD_frame { | |
| CAN_id can_id, // 32 bit CAN_ID + EFF/RTR/ | |
| CAN_flags can_flags, // only used with CAN FD | |
| CAN_PDU can_pdu length (0 .. CANFD_MAX_DLEN) | |
| } | |
| } |