printf("Mouse Enumerated.\r\n");
                        USB_HostState = HOST_STATE_Configured;
                        break;
                case HOST_STATE_Configured:
                        if (HID_Host_IsReportReceived(&Mouse_HID_Host_Interface))
                        printf("Mouse Enumerated.\r\n");
                        USB_HostState = HOST_STATE_Configured;
                        break;
                case HOST_STATE_Configured:
                        if (HID_Host_IsReportReceived(&Mouse_HID_Host_Interface))