Interface USB Data Card (for Ineternet)

We intended to use Free RTOS for STR9. While doing so we are also looking for a interface to USB Data Card (For Internet) and USB Stick (For data storage) Is Free RTOS supporting driver for USB Data Card and USB Stick? If YES, then please provide detail. If NOT, then what is the other ulternative to interface USB Data Card and USB Stick with Free RTOS in place?