3.2.3.4 USB_HOST_HUB_SUPPORT_ENABLE Macro
C
#define USB_HOST_HUB_SUPPORT_ENABLE
Summary
USB Host Layer Hub Support
Specifying this macro will enable Hub Support. The HUB tier level to be supported is then specified by USB_HOST_HUB_TIER_LEVEL constant. If this macro is specified, the file usb_host_hub.c must be included in the application.
Remarks
Not specifying this macro will disable Hub support.