openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#pragma once
#include <map>
#include <QObject>
#include <QString>
#include "opendbc/can/common_dbc.h"
struct MessageId {
uint8_t source;
uint32_t address;
QString toString() const {
return QString("%1:%2").arg(source).arg(address, 1, 16);
}
bool operator==(const MessageId &other) const {
return source == other.source && address == other.address;
}
bool operator!=(const MessageId &other) const {
return !(*this == other);
}
bool operator<(const MessageId &other) const {
return std::pair{source, address} < std::pair{other.source, other.address};
}
bool operator>(const MessageId &other) const {
return std::pair{source, address} > std::pair{other.source, other.address};
}
};
Q_DECLARE_METATYPE(MessageId);
uint qHash(const MessageId &item);
struct DBCMsg {
QString name;
uint32_t size;
// signal must be saved as value in map to make undo stack work properly.
std::map<QString, Signal> sigs;
// return vector<signals>, sort by start_bits
std::vector<const Signal*> getSignals() const;
};
class DBCManager : public QObject {
Q_OBJECT
public:
DBCManager(QObject *parent);
~DBCManager();
void open(const QString &dbc_file_name);
bool open(const QString &name, const QString &content, QString *error = nullptr);
QString generateDBC();
void addSignal(const MessageId &id, const Signal &sig);
void updateSignal(const MessageId &id, const QString &sig_name, const Signal &sig);
void removeSignal(const MessageId &id, const QString &sig_name);
inline static std::vector<std::string> allDBCNames() { return get_dbc_names(); }
inline QString name() const { return dbc ? dbc->name.c_str() : ""; }
void updateMsg(const MessageId &id, const QString &name, uint32_t size);
void removeMsg(const MessageId &id);
inline const std::map<uint32_t, DBCMsg> &messages() const { return msgs; }
inline const DBCMsg *msg(const MessageId &id) const { return msg(id.address); }
inline const DBCMsg *msg(uint32_t address) const {
auto it = msgs.find(address);
return it != msgs.end() ? &it->second : nullptr;
}
signals:
void signalAdded(uint32_t address, const Signal *sig);
void signalRemoved(const Signal *sig);
void signalUpdated(const Signal *sig);
void msgUpdated(uint32_t address);
void msgRemoved(uint32_t address);
void DBCFileChanged();
private:
void initMsgMap();
DBC *dbc = nullptr;
std::map<uint32_t, DBCMsg> msgs;
};
const QString UNTITLED = "untitled";
// TODO: Add helper function in dbc.h
double get_raw_value(uint8_t *data, size_t data_size, const Signal &sig);
bool operator==(const Signal &l, const Signal &r);
inline bool operator!=(const Signal &l, const Signal &r) { return !(l == r); }
int bigEndianStartBitsIndex(int start_bit);
int bigEndianBitIndex(int index);
void updateSigSizeParamsFromRange(Signal &s, int start_bit, int size);
std::pair<int, int> getSignalRange(const Signal *s);
DBCManager *dbc();
inline QString msgName(const MessageId &id) {
auto msg = dbc()->msg(id);
return msg ? msg->name : UNTITLED;
}