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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 <vector>
-#include <string>
-#include <memory>
-
-#include "openxc.pb.h"
-#include "can-message-definition.hpp"
-#include "../utils/timer.hpp"
-#include "../utils/socketcan-bcm.hpp"
-#include "can-message.hpp"
-#include "../diagnostic/diagnostic-message.hpp"
-
-#define MESSAGE_SET_ID 0
-
-class can_signal_t;
-///
-/// @brief The type signature for a CAN signal decoder.
-///
-/// A SignalDecoder transforms a raw floating point CAN signal into a number,
-/// string or boolean.
-///
-/// @param[in] signal - The CAN signal that we are decoding.
-/// @param[in] signals - The list of all signals.
-/// @param[in] signalCount - The length of the signals array.
-/// @param[in] value - The CAN signal parsed from the message as a raw floating point
-/// value.
-/// @param[out] 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)(can_signal_t& signal,
- const std::vector<std::shared_ptr<can_signal_t> >& signals, float value, bool* send);
-
-///
-/// @brief: The type signature for a CAN signal encoder.
-///
-/// A SignalEncoder transforms a number, string or boolean into a raw floating
-/// point value that fits in the CAN signal.
-///
-/// @param[in] signal - The CAN signal to encode.
-/// @param[in] value - The dynamic field to encode.
-/// @param[out] 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)(can_signal_t* signal,
- openxc_DynamicField* value, bool* send);
-
-class can_signal_t
-{
-private:
- can_message_definition_t* parent_; /*!< parent_ - pointer to the parent message definition holding this signal*/
- std::string generic_name_; /*!< generic_name_ - The name of the signal to be output.*/
- static std::string prefix_; /*!< prefix_ - generic_name_ will be prefixed with it. It has to reflect the used protocol.
- * which make easier to sort message when the come in.*/
- uint8_t bit_position_; /*!< 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 bit_size_; /*!< bit_size_ - 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 min_value_; /*!< min_value_ - The minimum value for the processed signal.*/
- float max_value_; /*!< max_value_ - The maximum value for the processed signal. */
- frequency_clock_t frequency_; /*!< frequency_ - A frequency_clock_t struct to control the maximum frequency to
- * process and send this signal. To process every value, set the
- * clock's frequency to 0. */
- bool send_same_; /*!< send_same_ - If true, will re-send even if the value hasn't changed.*/
- bool force_send_changed_; /*!< force_send_changed_ - If true, regardless of the frequency, it will send the
- * value if it has changed. */
- std::map<uint8_t, std::string> states_; /*!< states_ - A map of CAN signal state describing the mapping
- * between numerical and string values for valid states. */
- 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 last_value_; /*!< lastValue_ - The last received value of the signal. If 'received' is false,
- * this value is undefined. */
-
-public:
- can_signal_t(
- std::string generic_name,
- uint8_t bit_position,
- uint8_t bit_size,
- float factor,
- float offset,
- float min_value,
- float max_value,
- frequency_clock_t frequency,
- bool send_same,
- bool force_send_changed,
- std::map<uint8_t, std::string> states,
- bool writable,
- SignalDecoder decoder,
- SignalEncoder encoder,
- bool received);
-
- can_message_definition_t* get_message() const;
- const std::string get_generic_name() const;
- const std::string get_name() const;
- const std::string get_prefix() const;
- uint8_t get_bit_position() const;
- uint8_t get_bit_size() const;
- float get_factor() const;
- float get_offset() const;
- float get_min_value() const;
- float get_max_value() const;
- frequency_clock_t& get_frequency();
- bool get_send_same() const;
- bool get_force_send_changed() const;
- const std::map<uint8_t, std::string>& get_states() const;
- const std::string get_states(uint8_t value);
- size_t get_state_count() const;
- bool get_writable() const;
- SignalDecoder& get_decoder();
- SignalEncoder& get_encoder();
- bool get_received() const;
- float get_last_value() const;
- std::pair<float, uint64_t> get_last_value_with_timestamp() const;
-
- void set_parent(can_message_definition_t* parent);
- void set_prefix(std::string val);
- void set_received(bool r);
- void set_last_value(float val);
- void set_timestamp(uint64_t timestamp);
-};