Change can_message_t class usage for new j1939

This commit transforms the class can_message_t as the base class
and creates two derived classes: j1939_message_t and can_message_t.

Bug-AGL: SPEC-2386

Change-Id: I6d3afd8e4f5abff2cd0ec4e9910bd52a2893de76
Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh>
Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 49 insertions, 0 deletions

diff --git a/low-can-binding/can/message/can-message.hpp b/low-can-binding/can/message/can-message.hpp
new file mode 100644
index 00000000..5aa302cc
--- /dev/null
+++ b/low-can-binding/can/message/can-message.hpp
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+#pragma once
+#include "./message.hpp"
+
+
+
+/// @class can_message_t
+///
+/// @brief A compact representation of a single CAN message, meant to be used in in/out
+/// buffers. It is a wrapper of a can_frame struct with some sugar around it for binding purposes.
+class can_message_t : public message_t {
+	private:
+		uint8_t maxdlen_; ///< maxdlen_ - Max data length deduce from number of bytes read from the socket.*/
+		uint32_t id_; ///< id_ - The ID of the message. */
+		bool rtr_flag_; ///< rtr_flag_ - Telling if the frame has RTR flag positionned. Then frame hasn't data field*/
+		uint8_t flags_; ///< flags_ - flags of a CAN FD frame. Needed if we catch FD frames.*/
+		struct bcm_msg bcm_msg_;
+
+	public:
+		can_message_t();
+		can_message_t(uint8_t maxdlen, uint32_t id, uint8_t length, can_message_format_t format, bool rtr_flag_, uint8_t flags, std::vector<uint8_t>& data, uint64_t timestamp);
+
+		uint32_t get_id() const;
+
+		static std::shared_ptr<can_message_t> convert_from_frame(const canfd_frame& frame, size_t nbytes, uint64_t timestamp);
+		bool is_correct_to_send();
+		bool is_set();
+		struct bcm_msg get_bcm_msg();
+		void set_bcm_msg(struct bcm_msg bcm_msg);
+
+		std::string get_debug_message();
+
+};