2 * Copyright (C) 2018, 2019 "IoT.bzh"
3 * Author "Arthur Guyader" <arthur.guyader@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.
22 #include <condition_variable>
23 #include <linux/can/j1939.h>
25 #include "../socketcan.hpp"
26 #include "../../can/message/j1939-message.hpp"
28 #ifndef J1939_NAME_ECU
29 #define J1939_NAME_ECU 0x1234
32 #define J1939_CAN_ID CAN_EFF_FLAG
33 #define J1939_CAN_MASK (CAN_EFF_FLAG | CAN_RTR_FLAG)
36 // PDU 1 = NO BROADCAST
38 static inline bool j1939_pgn_is_pdu1(pgn_t pgn)
40 return (pgn & 0xff00) < 0xf000;
48 * @brief The state of the address claiming
50 enum class claiming_state {
51 INITIAL, ///< INITIAL - INITIAL state
52 CLAIMING, ///< CLAIMING - CLAIMING state
53 OPERATIONAL, ///< OPERATIONAL - OPERATIONAL state
57 class socketcan_j1939_addressclaiming_t;
58 class socketcan_j1939_t : public socketcan_t
61 using socketcan_t::socketcan_t;
62 virtual int open(std::string device_name);
63 virtual int open(std::string device_name, name_t name, pgn_t pgn, uint8_t addr);
64 virtual std::shared_ptr<message_t> read_message();
65 virtual std::shared_ptr<message_t> read_message(int flag);
66 virtual int write_message(message_t& obj);
67 virtual int write_j1939_message(pgn_t pgn, std::vector<uint8_t> &data, uint32_t len_data);
68 void define_opt(bool broadcast = true, bool promisc = false);
72 static std::mutex mutex_claiming_;
73 static std::condition_variable signal_address_claiming_;
74 void define_tx_address(std::string device_name, name_t name, pgn_t pgn, uint8_t addr);
75 int add_filter(name_t name, pgn_t pgn, uint8_t addr, name_t name_mask, pgn_t pgn_mask, uint8_t addr_mask);