diff options
Diffstat (limited to 'low-can-binding/can/message/j1939-message.hpp')
| -rw-r--r-- | low-can-binding/can/message/j1939-message.hpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/low-can-binding/can/message/j1939-message.hpp b/low-can-binding/can/message/j1939-message.hpp new file mode 100644 index 00000000..74b625e0 --- /dev/null +++ b/low-can-binding/can/message/j1939-message.hpp @@ -0,0 +1,73 @@ +/* + * 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.h> +#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 + */ + uint8_t addr_; + + public: + j1939_message_t(); + j1939_message_t(uint8_t length, can_message_format_t format, 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 bcm_msg get_bcm_msg(); + void set_bcm_msg(struct bcm_msg bcm_msg); +}; + + |