Fix to correct a few places where 2 buses were hard coded as the

limit. There is no hard and fast limit to the number of buses you can
have now.

dbc/dbchandler.cpp

@@ -8,6 +8,7 @@
 #include <QApplication>
 #include <QPalette>
 #include "utility.h"
+#include "connections/canconmanager.h"
 
 DBCHandler* DBCHandler::instance = nullptr;
 
@@ -291,8 +292,9 @@ int DBCFile::getAssocBus()
 
 void DBCFile::setAssocBus(int bus)
 {
+    int numBuses = CANConManager::getInstance()->getNumBuses();
     if (bus < -1) return;
-    if (bus > 1) return;
+    if (bus >= numBuses) return;
     assocBuses = bus;
 }
 

dbc/dbcloadsavewindow.cpp

@@ -2,6 +2,7 @@
 #include "ui_dbcloadsavewindow.h"
 #include <QCheckBox>
 #include "helpwindow.h"
+#include "connections/canconmanager.h"
 
 DBCLoadSaveWindow::DBCLoadSaveWindow(const QVector<CANFrame> *frames, QWidget *parent) :
     QDialog(parent),
@@ -162,7 +163,8 @@ void DBCLoadSaveWindow::cellChanged(int row, int col)
     {
         DBCFile *file = dbcHandler->getFileByIdx(row);
         int bus = ui->tableFiles->item(row, col)->text().toInt();
-        if (bus > -2 && bus < 2)
+        int numBuses = CANConManager::getInstance()->getNumBuses();
+        if (bus > -2 && bus < numBuses)
         {
             file->setAssocBus(bus);
         }

framesenderwindow.cpp

@@ -820,6 +820,8 @@ void FrameSenderWindow::processCellChange(int line, int col)
 
     sendingData[line].count = 0;
 
+    int numBuses = CANConManager::getInstance()->getNumBuses();
+
     switch (col)
     {
         case 0: //Enable check box
@@ -832,8 +834,8 @@ void FrameSenderWindow::processCellChange(int line, int col)
             break;
         case 1: //Bus designation
             tempVal = Utility::ParseStringToNum(ui->tableSender->item(line, 1)->text());            
-            if (tempVal < 0) tempVal = 0;
+            if (tempVal < -1) tempVal = -1;
-            if (tempVal > 1) tempVal = 1;
+            if (tempVal >= numBuses) tempVal = numBuses - 1;
             sendingData[line].bus = tempVal;
             qDebug() << "Setting bus to " << tempVal;
             break;