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121 lines
3.4 KiB
121 lines
3.4 KiB
#pragma once
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#include <map>
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#include <QList>
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#include <QMetaType>
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#include <QObject>
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#include <QString>
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struct MessageId {
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uint8_t source;
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uint32_t address;
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QString toString() const {
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return QString("%1:%2").arg(source).arg(address, 1, 16);
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}
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bool operator==(const MessageId &other) const {
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return source == other.source && address == other.address;
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}
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bool operator!=(const MessageId &other) const {
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return !(*this == other);
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}
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bool operator<(const MessageId &other) const {
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return std::pair{source, address} < std::pair{other.source, other.address};
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}
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bool operator>(const MessageId &other) const {
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return std::pair{source, address} > std::pair{other.source, other.address};
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}
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};
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uint qHash(const MessageId &item);
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Q_DECLARE_METATYPE(MessageId);
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namespace dbcmanager {
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typedef QList<std::pair<QString, QString>> ValueDescription;
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struct Signal {
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QString name;
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int start_bit, msb, lsb, size;
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bool is_signed;
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double factor, offset;
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bool is_little_endian;
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QString min, max, unit;
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QString comment;
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ValueDescription val_desc;
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};
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struct Msg {
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QString name;
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uint32_t size;
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std::vector<const Signal*> getSignals() const;
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const Signal *sig(const QString &sig_name) const {
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auto it = std::find_if(sigs.begin(), sigs.end(), [&](auto &s) { return s.name == sig_name; });
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return it != sigs.end() ? &(*it) : nullptr;
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}
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private:
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QList<Signal> sigs;
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friend class DBCManager;
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};
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class DBCManager : public QObject {
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Q_OBJECT
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public:
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DBCManager(QObject *parent) {}
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~DBCManager() {}
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bool open(const QString &dbc_file_name, QString *error = nullptr);
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bool open(const QString &name, const QString &content, QString *error = nullptr);
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QString generateDBC();
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void addSignal(const MessageId &id, const Signal &sig);
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void updateSignal(const MessageId &id, const QString &sig_name, const Signal &sig);
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void removeSignal(const MessageId &id, const QString &sig_name);
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static std::vector<std::string> allDBCNames();
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inline QString name() const { return name_; }
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void updateMsg(const MessageId &id, const QString &name, uint32_t size);
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void removeMsg(const MessageId &id);
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inline const std::map<uint32_t, Msg> &messages() const { return msgs; }
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inline const Msg *msg(const MessageId &id) const { return msg(id.address); }
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inline const Msg *msg(uint32_t address) const {
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auto it = msgs.find(address);
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return it != msgs.end() ? &it->second : nullptr;
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}
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signals:
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void signalAdded(uint32_t address, const Signal *sig);
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void signalRemoved(const Signal *sig);
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void signalUpdated(const Signal *sig);
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void msgUpdated(uint32_t address);
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void msgRemoved(uint32_t address);
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void DBCFileChanged();
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private:
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void parseExtraInfo(const QString &content);
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std::map<uint32_t, Msg> msgs;
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QString name_;
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};
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const QString UNTITLED = "untitled";
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// TODO: Add helper function in dbc.h
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double get_raw_value(uint8_t *data, size_t data_size, const Signal &sig);
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bool operator==(const Signal &l, const Signal &r);
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inline bool operator!=(const Signal &l, const Signal &r) { return !(l == r); }
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int bigEndianStartBitsIndex(int start_bit);
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int bigEndianBitIndex(int index);
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void updateSigSizeParamsFromRange(Signal &s, int start_bit, int size);
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std::pair<int, int> getSignalRange(const Signal *s);
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DBCManager *dbc();
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inline QString msgName(const MessageId &id) {
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auto msg = dbc()->msg(id);
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return msg ? msg->name : UNTITLED;
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}
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} // namespace dbcmanager
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