+/** CDC class driver callback function the processing of changes to the virtual
+ * control lines sent from the host..
+ *
+ * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
+ */
+void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t *const CDCInterfaceInfo)
+{
+ /* You can get changes to the virtual CDC lines in this callback; a common
+ use-case is to use the Data Terminal Ready (DTR) flag to enable and
+ disable CDC communications in your application when set to avoid the
+ application blocking while waiting for a host to become ready and read
+ in the pending data from the USB endpoints.
+ */
+ bool HostReady = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR) != 0;
+
+ (void)HostReady;
+}