2 * Copyright (C) 2015, 2016 "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.
19 * @class can_message_definition_t
21 * @brief The definition of a CAN message. This includes a lot of metadata, so
22 * to save memory this struct should not be used for storing incoming and
23 * outgoing CAN messages.
31 #include "can-bus-dev.hpp"
32 #include "can-message.hpp"
33 #include "../utils/timer.hpp"
35 class can_message_definition_t
38 std::uint8_t message_set_id_;
39 std::string bus_; /*!< bus_ - Address of CAN bus device. */
40 uint32_t id_; /*!< id_ - The ID of the message.*/
41 can_message_format_t format_; /*!< format_ - the format of the message's ID.*/
42 frequency_clock_t frequency_clock_; /*!< clock_ - an optional frequency clock to control the output of this
43 * message, if sent raw, or simply to mark the max frequency for custom
44 * handlers to retrieve.*/
45 bool force_send_changed_; /*!< force_send_changed_ - If true, regardless of the frequency, it will send CAN
46 * message if it has changed when using raw passthrough.*/
47 std::vector<uint8_t> last_value_; /*!< last_value_ - The last received value of the message. Defaults to undefined.
48 * This is required for the forceSendChanged functionality, as the stack
49 * needs to compare an incoming CAN message with the previous frame.*/
52 can_message_definition_t(std::uint8_t message_set_id, const std::string bus);
53 can_message_definition_t(std::uint8_t message_set_id, const std::string bus, uint32_t id, frequency_clock_t frequency_clock, bool force_send_changed);
54 can_message_definition_t(std::uint8_t message_set_id, const std::string bus, uint32_t id, can_message_format_t format, frequency_clock_t frequency_clock, bool force_send_changed);
56 uint32_t get_id() const;