Some implementation of the custom frame sender interface and the DBC loading functionality. Both compile as-is but are not functional yet. This is an in-process update.

dbc_classes.h

@@ -0,0 +1,77 @@
+#ifndef DBC_CLASSES_H
+#define DBC_CLASSES_H
+
+#include <QString>
+#include <QStringList>
+
+/*classes to encapsulate data from a DBC file. Really, the stuff of interest
+  are the nodes, messages, signals, attributes, and comments.
+
+  These things sort of form a hierarchy. Nodes send and receive messages.
+  Messages are comprised of signals. Signals and messages have attributes.
+  All of them can have comments.
+*/
+
+enum DBC_SIG_VAL_TYPE
+{
+    UNSIGNED_INT,
+    SIGNED_INT,
+    SP_FLOAT,
+    DP_FLOAT,
+    STRING
+};
+
+enum DBC_ATTRIBUTE_VAL_TYPE
+{
+    HEX,
+    FLOAT,
+    QSTRING,
+    ENUM
+};
+
+class DBC_ATTRIBUTE
+{
+    QString name;
+    DBC_ATTRIBUTE_VAL_TYPE type;
+    double startVal;
+    double endVal;
+    QStringList enumVals; //also used for STRING type but then you're assured to have only one
+};
+
+class DBC_NODE
+{
+public:
+    QString name;
+    QString comment;
+    QList<DBC_ATTRIBUTE> attributes;
+};
+
+class DBC_MESSAGE
+{
+    int ID;
+    QString name;
+    QString comment;
+    int len;
+    DBC_NODE *sender;
+    QList<DBC_ATTRIBUTE> attributes;
+};
+
+class DBC_SIGNAL
+{
+    QString name;
+    int startBit;
+    int signalSize;
+    bool intelByteOrder; //true is obviously little endian. False is big endian
+    DBC_SIG_VAL_TYPE valType;
+    double factor;
+    double bias;
+    double min;
+    double max;
+    DBC_NODE *receiver;
+    QString unitName;
+    QString comment;
+    QList<DBC_ATTRIBUTE> attributes;
+};
+
+#endif // DBC_CLASSES_H
+