Beginning of work on obd2 object and

files reorganization.

Change-Id: Idaa7ad05c45d734ce771506fd6e41f1a09a6ac66
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 94 insertions, 0 deletions

diff --git a/src/diagnostic/diagnostic-message.hpp b/src/diagnostic/diagnostic-message.hpp
new file mode 100644
index 0000000..a8f21e0
--- /dev/null
+++ b/src/diagnostic/diagnostic-message.hpp
@@ -0,0 +1,94 @@
+/*
+ * 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 <vector>
+
+#include "uds/uds.h"
+#include "can-bus.hpp"
+#include "can-message.hpp"
+
+#include "low-can-binding.hpp"
+
+enum UNIT {
+	POURCENT,
+	DEGREES_CELSIUS,
+	KPA,
+	RPM,
+	GRAMS_SEC,
+	SECONDS,
+	KM,
+	KM_H,
+	PA,
+	NM,
+	INVALID
+};
+
+/**
+ *	@brief A representation of an OBD-II PID.
+ *
+ * pid - The 1 byte PID.
+ * name - A human readable name to use for this PID when published.
+ * min - minimum value for this pid
+ * max - maximum value for this pid
+ * unit - unit used
+ * frequency - The frequency to request this PID if supported by the vehicle
+ *		when automatic, recurring OBD-II requests are enabled.
+ *	supported - is it supported by the vehicle. Initialized after scan
+ */
+typedef struct _Obd2Pid {
+	uint8_t pid;
+	const char* generic_name;
+	const int min;
+	const int max;
+	enum UNIT unit;
+	int frequency;
+	bool supported;
+} Obd2Pid;
+
+/**
+ * @brief - Object to handle obd2 session with pre-scan of supported pid
+ * then request them regularly
+ */
+class obd2_signals_t {
+	private:
+		uint8_t pid_;
+		const char* generic_name_;
+		const int min_;
+		const int max_;
+		enum UNIT unit_;
+		int frequency_;
+		bool supported_;
+
+	public:
+		obd2_signals_t(uint8_t pid, const char* generic_name, const int min_, const int max_, enum UNIT unit, int frequency, bool supported);
+
+		void init_diagnostic_shims(can_bus_dev_t& can_bus_dev)
+		void add_request(int pid);
+		std::vector<Obd2Pid>& get_obd2_signals();
+
+		uint32_t get_signal_id(const Obd2Pid& sig);
+		void find_obd2_signals(const openxc_DynamicField &key, std::vector<Obd2Pid*>& found_signals);
+
+
+		bool is_obd2_response(can_message_t can_message);
+		bool is_obd2_request(DiagnosticRequest *request);
+		bool is_obd2_signal(const char *name);
+
+		float decode_obd2_response(const DiagnosticResponse* response, float parsedPayload);
+};
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