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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:
+ uint8_t 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(uint8_t bus);
+ can_message_definition_t(uint8_t bus, uint32_t id, can_message_format_t format, frequency_clock_t frequency_clock, bool force_send_changed);
+
+ uint32_t get_id() const;
+};