Index: sources/canbus/caninterface.cpp
===================================================================
diff -u -r93d7ff58cd6fd2fea5d00587ee712a637fc941bf -rd3f916066c2d10c10fffa91fd8a7e5ac6dd86c7d
--- sources/canbus/caninterface.cpp	(.../caninterface.cpp)	(revision 93d7ff58cd6fd2fea5d00587ee712a637fc941bf)
+++ sources/canbus/caninterface.cpp	(.../caninterface.cpp)	(revision d3f916066c2d10c10fffa91fd8a7e5ac6dd86c7d)
@@ -46,7 +46,9 @@
     if ( _init ) return false;
     _init = true;
 
+    // coco begin validated: Manually tested since required to disable and enable the canbus
     if ( ! initDevice() ) return false;
+    // coco end
     if ( ! testDevice() ) return false;
 
     initConnections();
@@ -68,7 +70,9 @@
  */
 bool CanInterface::init(QThread &vThread)
 {
+    // coco begin validated: Manually tested since required to disable and enable the canbus
     if ( ! init() ) return false;
+    // coco end
     initThread(vThread);
     return true;
 }
@@ -103,7 +107,9 @@
  */
 void CanInterface::initConnections()
 {
+    // coco begin validated: Manually tested since required to disable and enable the canbus
     if (_canDevice) {
+        // coco end
         connect(_canDevice, SIGNAL( framesReceived()),
                 this      , SLOT  (onFrameReceive ()));
 
@@ -161,11 +167,13 @@
 {
     QString mError;
     _canDevice = QCanBus::instance()->createDevice(_canType, _canInterface, &mError);
+    // coco begin validated: Manually tested since required to disable and enable the canbus
     if (!_canDevice) {
         status(tr("Device Creation"), mError);
         LOG_ERROR(status());
         return false;
     }
+    // coco end
     return true;
 }
 
@@ -192,8 +200,9 @@
  */
 void CanInterface::quitDevice()
 {
-    if (!_canDevice)
-        return;
+    // coco begin validated: Manually tested since required to disable and enable the canbus
+    if (!_canDevice) return;
+    // coco end
     _canDevice->disconnectDevice();
     delete _canDevice;
     _canDevice = nullptr;
@@ -231,8 +240,9 @@
  */
 bool CanInterface::transmit(const QCanBusFrame &vFrame)
 {
-    if( !_canDevice )
-        return false;
+    // coco begin validated: Manually tested since required to disable and enable the canbus
+    if( !_canDevice ) return false;
+    //coco end
     return _canDevice->writeFrame(vFrame);
 }
 
@@ -293,8 +303,11 @@
  */
 FrameCount CanInterface::erCount()
 {
+    // coco begin validated: CANBus error handling has been tested manually.
+    // since it requires massive can messages sent/received to catch the error
     Types::safeIncrement(_erFrameCount);
     return _erFrameCount;
+    // coco end
 }
 
 /*!
@@ -305,6 +318,8 @@
  */
 QString CanInterface::frameFlags(const QCanBusFrame &vFrame)
 {
+    // coco begin validated: CANBus error handling has been tested manually.
+    // since it requires massive can messages sent/received to catch the error
     QString result = QLatin1String(" --- ");
 
     if (vFrame.hasBitrateSwitch())
@@ -315,6 +330,7 @@
         result[3] = QLatin1Char('L');
 
     return result;
+    // coco end
 }
 
 /*!
@@ -324,6 +340,8 @@
  */
 void CanInterface::onFrameError(QCanBusDevice::CanBusError vError)
 {
+    // coco begin validated: CANBus error handling has been tested manually.
+    // since it requires massive can messages sent/received to catch the error
     erCount();
     switch (vError) {
     case QCanBusDevice::ReadError:
@@ -341,6 +359,7 @@
     }
     emit didFrameError(_canStatus);
 }
+// coco end
 
 /*!
  * \brief   CanInterface::onFrameWritten
@@ -363,8 +382,9 @@
  */
 void CanInterface::onFrameReceive ()
 {
-    if (!_canDevice)
-        return;
+    // coco begin validated: Manually tested since required to disable and enable the canbus
+    if (!_canDevice) return;
+    // coco end
     while (_canDevice->framesAvailable()) {
         const QCanBusFrame frame = _canDevice->readFrame();
         rxCount();