- /** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial control\r
- * lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist until they are\r
- * cleared via a second notification.\r
+ /** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial\r
+ * control lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist\r
+ * until they are cleared via a second notification. This should be called each time the CDC class driver's \r
+ * ControlLineStates.DeviceToHost value is updated to push the new states to the USB host.\r