First pass at turning on functionality to allow frame sending from the new connection system.

The fuzzing window has been modified to use the new system. This validates that it mostly works now.
More screens will be modified to work soon.

connections/gvretserial.cpp

@@ -141,7 +141,52 @@ void GVRetSerial::piSetBusSettings(int pBusIdx, CANBus bus)
 }
 
 
-bool GVRetSerial::piSendFrame(const CANFrame&) {return false;}
+bool GVRetSerial::piSendFrame(const CANFrame& frame)
+{
+    QByteArray buffer;
+    int c;
+    int ID;
+    CANFrame tempFrame = frame;
+    tempFrame.isReceived = false;
+    tempFrame.timestamp = ((QDateTime::currentMSecsSinceEpoch() - txTimestampBasis) * 1000);
+
+    //qDebug() << "Sending out frame with id " << frame->ID;
+
+    //show our sent frames in the list too. This happens even if we're not connected.
+    /* model lives in UI thread, we need to call invokeMethod */
+    //QMetaObject::invokeMethod(model, "addFrame",
+    //                          Qt::QueuedConnection,
+    //                          Q_ARG(CANFrame, tempFrame),
+    //                          Q_ARG(bool, false));
+
+    framesRapid++;
+
+    if (serial == NULL) return false;
+    if (!serial->isOpen()) return false;
+    //if (!isConnected) return false;
+
+    ID = frame.ID;
+    if (frame.extended) ID |= 1 << 31;
+
+    buffer[0] = (char)0xF1; //start of a command over serial
+    buffer[1] = 0; //command ID for sending a CANBUS frame
+    buffer[2] = (unsigned char)(ID & 0xFF); //four bytes of ID LSB first
+    buffer[3] = (unsigned char)(ID >> 8);
+    buffer[4] = (unsigned char)(ID >> 16);
+    buffer[5] = (unsigned char)(ID >> 24);
+    buffer[6] = (unsigned char)((frame.bus) & 1);
+    buffer[7] = (unsigned char)frame.len;
+    for (c = 0; c < frame.len; c++)
+    {
+        buffer[8 + c] = frame.data[c];
+    }
+    buffer[8 + frame.len] = 0;
+
+    //qDebug() << "writing " << buffer.length() << " bytes to serial port";
+    serial->write(buffer);
+
+    return true;
+}