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authorRomain Forlot <romain.forlot@iot.bzh>2017-03-06 22:28:50 +0100
committerRomain Forlot <romain.forlot@iot.bzh>2017-03-16 17:05:17 +0100
commitde8fb10e1d8e98a85dfba6fc8966266dbf5e42c6 (patch)
tree0eab1a766f80b7498d63fb8ecd36486c13b633a2 /src/diagnostic/diagnostic-message.hpp
parent4fd376fac5b1d47eed3f22467ae5b5e35f1ec610 (diff)
Beginning of work on obd2 object and
files reorganization. Change-Id: Idaa7ad05c45d734ce771506fd6e41f1a09a6ac66 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'src/diagnostic/diagnostic-message.hpp')
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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.
+ */
+
+#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);
+}; \ No newline at end of file