Add openpilot tools

tools/cabana/dbc/dbc.h

@@ -0,0 +1,122 @@
+#pragma once
+
+#include <limits>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include <QColor>
+#include <QList>
+#include <QMetaType>
+#include <QString>
+
+
+const QString UNTITLED = "untitled";
+const QString DEFAULT_NODE_NAME = "XXX";
+
+struct MessageId {
+  uint8_t source = 0;
+  uint32_t address = 0;
+
+  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};
+  }
+};
+
+uint qHash(const MessageId &item);
+Q_DECLARE_METATYPE(MessageId);
+
+template <>
+struct std::hash<MessageId> {
+  std::size_t operator()(const MessageId &k) const noexcept { return qHash(k); }
+};
+
+typedef QList<std::pair<double, QString>> ValueDescription;
+
+namespace cabana {
+
+class Signal {
+public:
+  Signal() = default;
+  Signal(const Signal &other) = default;
+  void update();
+  bool getValue(const uint8_t *data, size_t data_size, double *val) const;
+  QString formatValue(double value) const;
+  bool operator==(const cabana::Signal &other) const;
+  inline bool operator!=(const cabana::Signal &other) const { return !(*this == other); }
+
+  enum class Type {
+    Normal = 0,
+    Multiplexed,
+    Multiplexor
+  };
+
+  Type type = Type::Normal;
+  QString name;
+  int start_bit, msb, lsb, size;
+  double factor = 1.0;
+  double offset = 0;
+  bool is_signed;
+  bool is_little_endian;
+  double min, max;
+  QString unit;
+  QString comment;
+  QString receiver_name;
+  ValueDescription val_desc;
+  int precision = 0;
+  QColor color;
+
+  // Multiplexed
+  int multiplex_value = 0;
+  Signal *multiplexor = nullptr;
+};
+
+class Msg {
+public:
+  Msg() = default;
+  Msg(const Msg &other) { *this = other; }
+  ~Msg();
+  cabana::Signal *addSignal(const cabana::Signal &sig);
+  cabana::Signal *updateSignal(const QString &sig_name, const cabana::Signal &sig);
+  void removeSignal(const QString &sig_name);
+  Msg &operator=(const Msg &other);
+  int indexOf(const cabana::Signal *sig) const;
+  cabana::Signal *sig(const QString &sig_name) const;
+  QString newSignalName();
+  void update();
+  inline const std::vector<cabana::Signal *> &getSignals() const { return sigs; }
+
+  uint32_t address;
+  QString name;
+  uint32_t size;
+  QString comment;
+  QString transmitter;
+  std::vector<cabana::Signal *> sigs;
+
+  std::vector<uint8_t> mask;
+  cabana::Signal *multiplexor = nullptr;
+};
+
+}  // namespace cabana
+
+// Helper functions
+double get_raw_value(const uint8_t *data, size_t data_size, const cabana::Signal &sig);
+void updateMsbLsb(cabana::Signal &s);
+inline int flipBitPos(int start_bit) { return 8 * (start_bit / 8) + 7 - start_bit % 8; }
+inline QString doubleToString(double value) { return QString::number(value, 'g', std::numeric_limits<double>::digits10); }