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/*
* Copyright (C) 2018, 2019 "IoT.bzh"
* Author "Arthur Guyader" <arthur.guyader@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <linux/can/j1939.h>
#include "message.hpp"
#define J1939_MAX_MULTIPACKETS 255
#define J1939_MAX_DLEN J1939_MAX_MULTIPACKETS * CAN_MAX_DLEN
class j1939_message_t : public message_t
{
private:
/* J1939 NAME
*
* bit 0-20 : Identity Number
* bit 21-31 : Manufacturer Code
* bit 32-34 : ECU Instance
* bit 35-39 : Function Instance
* bit 40-47 : Function
* bit 48 : Reserved
* bit 49-55 : Vehicle System
* bit 56-59 : Vehicle System Instance
* bit 60-62 : Industry Group
* bit 63 : Arbitrary Address Capable
*/
name_t name_;
/* J1939 Parameter Group Number
*
* bit 0-7 : PDU Specific (PS)
* bit 8-15 : PDU Format (PF)
* bit 16 : Data Page (DP)
* bit 17 : Reserved (R)
* bit 19-31 : set to zero
*/
pgn_t pgn_;
/* J1939 Address
0-255
*/
uint8_t addr_;
/**
* @brief The sockanme to send a message to
* an other ECU
*/
struct sockaddr_can sockname_;
public:
j1939_message_t();
j1939_message_t(uint32_t length, std::vector<uint8_t>& data, uint64_t timestamp, name_t name, pgn_t pgn, uint8_t addr);
uint64_t get_name() const;
uint32_t get_pgn() const;
uint8_t get_addr() const;
static std::shared_ptr<j1939_message_t> convert_from_addr(struct sockaddr_can& addr, uint8_t (&data)[128], size_t nbytes, uint64_t timestamp);
bool is_set();
std::string get_debug_message();
uint32_t get_id() const;
struct sockaddr_can get_sockname();
void set_sockname(struct sockaddr_can sockname);
void set_sockname(pgn_t pgn, name_t name, uint8_t addr);
};
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