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authorRomain Forlot <romain.forlot@iot.bzh>2019-06-26 10:34:04 +0200
committerRomain Forlot <romain.forlot@iot.bzh>2019-06-26 17:55:06 +0200
commitd2d2620bbb8f0aad0181e67e9f6affc3d6cb4a51 (patch)
tree13e7c1069252dbadb2b430414f3722132d1d7013 /low-can-binding/can/message/j1939-message.hpp
parent82b45e3de8c92816c8080178224c5bd4be60a091 (diff)
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>
Diffstat (limited to 'low-can-binding/can/message/j1939-message.hpp')
-rw-r--r--low-can-binding/can/message/j1939-message.hpp73
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
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+++ 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);
+};
+
+