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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/can-signals.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/can-signals.hpp')
-rw-r--r--src/can-signals.hpp142
1 files changed, 0 insertions, 142 deletions
diff --git a/src/can-signals.hpp b/src/can-signals.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 <map>
-#include <mutex>
-#include <queue>
-#include <vector>
-#include <string>
-
-#include "obd2-signals.hpp"
-#include "timer.hpp"
-#include "openxc.pb.h"
-#include "can-bus.hpp"
-#include "can-message.hpp"
-
-extern "C"
-{
- #include <afb/afb-binding.h>
- #include <afb/afb-event-itf.h>
-}
-
-#define MESSAGE_SET_ID 0
-
-extern std::mutex subscribed_signals_mutex;
-std::mutex& get_subscribed_signals_mutex();
-
-/**
- * @brief return the subscribed_signals map.
- *
- * return std::map<std::string, struct afb_event> - map of subscribed signals.
- */
-extern std::map<std::string, struct afb_event> subscribed_signals;
-std::map<std::string, struct afb_event>& get_subscribed_signals();
-
-/**
- * @brief The type signature for a CAN signal decoder.
- *
- * @desc A SignalDecoder transforms a raw floating point CAN signal into a number,
- * string or boolean.
- *
- * @param[in] CanSignal signal - The CAN signal that we are decoding.
- * @param[in] CanSignal signals - The list of all signals.
- * @param[in] int signalCount - The length of the signals array.
- * @param[in] float value - The CAN signal parsed from the message as a raw floating point
- * value.
- * @param[out] bool send - An output parameter. If the decoding failed or the CAN signal should
- * not send for some other reason, this should be flipped to false.
- *
- * @return a decoded value in an openxc_DynamicField struct.
- */
-typedef openxc_DynamicField (*SignalDecoder)(struct CanSignal& signal,
- const std::vector<CanSignal>& signals, float value, bool* send);
-
-/**
- * @brief: The type signature for a CAN signal encoder.
- *
- * @desc A SignalEncoder transforms a number, string or boolean into a raw floating
- * point value that fits in the CAN signal.
- *
- * @params[signal] - The CAN signal to encode.
- * @params[value] - The dynamic field to encode.
- * @params[send] - An output parameter. If the encoding failed or the CAN signal should
- * not be encoded for some other reason, this will be flipped to false.
- */
-typedef uint64_t (*SignalEncoder)(struct CanSignal* signal,
- openxc_DynamicField* value, bool* send);
-
-/**
- * @struct CanSignalState
- *
- * @brief A state encoded (SED) signal's mapping from numerical values to
- * OpenXC state names.
- */
-struct CanSignalState {
- const int value; /*!< int value - The integer value of the state on the CAN bus.*/
- const char* name; /*!< char* name - The corresponding string name for the state in OpenXC. */
-};
-typedef struct CanSignalState CanSignalState;
-
-/**
- * @struct CanSignal
- *
- * @brief A CAN signal to decode from the bus and output over USB.
- */
-struct CanSignal {
- struct CanMessageDefinition* message; /*!< message - The message this signal is a part of. */
- const char* generic_name; /*!< generic_name - The name of the signal to be output over USB.*/
- uint8_t bitPosition; /*!< bitPosition - The starting bit of the signal in its CAN message (assuming
- * non-inverted bit numbering, i.e. the most significant bit of
- * each byte is 0) */
- uint8_t bitSize; /*!< bitSize - The width of the bit field in the CAN message. */
- float factor; /*!< factor - The final value will be multiplied by this factor. Use 1 if you
- * don't need a factor. */
- float offset; /*!< offset - The final value will be added to this offset. Use 0 if you
- * don't need an offset. */
- float minValue; /*!< minValue - The minimum value for the processed signal.*/
- float maxValue; /*!< maxValue - The maximum value for the processed signal. */
- FrequencyClock frequencyClock; /*!< frequencyClock - A FrequencyClock struct to control the maximum frequency to
- * process and send this signal. To process every value, set the
- * clock's frequency to 0. */
- bool sendSame; /*!< sendSame - If true, will re-send even if the value hasn't changed.*/
- bool forceSendChanged; /*!< forceSendChanged - If true, regardless of the frequency, it will send the
- * value if it has changed. */
- const CanSignalState* states; /*!< states - An array of CanSignalState describing the mapping
- * between numerical and string values for valid states. */
- uint8_t stateCount; /*!< stateCount - The length of the states array. */
- bool writable; /*!< writable - True if the signal is allowed to be written from the USB host
- * back to CAN. Defaults to false.*/
- SignalDecoder decoder; /*!< decoder - An optional function to decode a signal from the bus to a human
- * readable value. If NULL, the default numerical decoder is used. */
- SignalEncoder encoder; /*!< encoder - An optional function to encode a signal value to be written to
- * CAN into a byte array. If NULL, the default numerical encoder
- * is used. */
- bool received; /*!< received - True if this signal has ever been received.*/
- float lastValue; /*!< lastValue - The last received value of the signal. If 'received' is false,
- * this value is undefined. */
-};
-typedef struct CanSignal CanSignal;
-
-std::vector<CanSignal>& get_can_signals();
-
-size_t getSignalCount();
-
-void find_can_signals(const openxc_DynamicField &key, std::vector<CanSignal*>& found_signals);
-
-uint32_t get_signal_id(const CanSignal& sig); \ No newline at end of file