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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@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.
*/
/**
* @class can_message_definition_t
*
* @brief The definition of a CAN message. This includes a lot of metadata, so
* to save memory this struct should not be used for storing incoming and
* outgoing CAN messages.
*/
#pragma once
#include <vector>
#include <memory>
#include "can-bus-dev.hpp"
#include "can-message.hpp"
#include "../utils/timer.hpp"
class can_message_definition_t
{
private:
std::string bus_; /*!< bus_ - Address of CAN bus device. */
uint32_t id_; /*!< id_ - The ID of the message.*/
can_message_format_t format_; /*!< format_ - the format of the message's ID.*/
frequency_clock_t frequency_clock_; /*!< clock_ - an optional frequency clock to control the output of this
* message, if sent raw, or simply to mark the max frequency for custom
* handlers to retrieve.*/
bool force_send_changed_; /*!< force_send_changed_ - If true, regardless of the frequency, it will send CAN
* message if it has changed when using raw passthrough.*/
std::vector<uint8_t> last_value_; /*!< last_value_ - The last received value of the message. Defaults to undefined.
* This is required for the forceSendChanged functionality, as the stack
* needs to compare an incoming CAN message with the previous frame.*/
public:
can_message_definition_t(const std::string bus);
can_message_definition_t(const std::string bus, uint32_t id, frequency_clock_t frequency_clock, bool force_send_changed);
can_message_definition_t(const std::string bus, uint32_t id, can_message_format_t format, frequency_clock_t frequency_clock, bool force_send_changed);
uint32_t get_id() const;
};
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