Integrate the J1939 features : address claiming and write.

This commit allows to write J1939 messages and add the management
of the address claiming.

Bug-AGL: SPEC-2386
Bug-AGL: SPEC-2976

Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh>
Change-Id: I1bb95a7ba6f6ebe463319c3972d9d46897181d51
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 52 insertions, 0 deletions

diff --git a/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp
new file mode 100644
index 00000000..92c44c8c
--- /dev/null
+++ b/low-can-binding/utils/socketcan-j1939/socketcan-j1939-addressclaiming.hpp
@@ -0,0 +1,52 @@
+/*
+ * 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 <afb-timer.h>
+
+#include "./socketcan-j1939.hpp"
+
+namespace utils
+{
+	class socketcan_j1939_addressclaiming_t : public socketcan_j1939_t
+	{
+        public:
+            socketcan_j1939_addressclaiming_t();
+            virtual std::shared_ptr<message_t> read_message();
+            virtual int open(std::string device_name, pgn_t pgn);
+            virtual claiming_state get_state();
+            TimerHandleT *timer_handle_;
+            std::pair<uint64_t, bool> table_j1939_address_[J1939_IDLE_ADDR];
+
+        private:
+            int claim_address(bool first_claim,bool new_address);
+            int pgn_request();
+            void initialize_table_j1939_address();
+            int save_addr_name(uint8_t addr,name_t name);
+            uint8_t choose_new_address();
+            uint8_t get_addr_table(name_t name);
+            void change_state(claiming_state new_state);
+            void launch_timer();
+            static int no_response_claiming(TimerHandleT *timerhandle);
+            static int free_timer_handle(void *timer_context);
+
+            uint8_t current_address_;
+            bool signal_stop_;
+            claiming_state claiming_state_;
+            std::string device_name_;
+	};
+}