it is code for PIC32 USB host code. In which PIC32 act as host it just power on the usb port -it is code for PIC32 USB host code. In which PIC32 act as host it just power on the usb port

Micro Chip AN1163 USB HID Class on an Embedded Device This application note discusses and provides a HID device function driver that can be integrated with almost any application running on Microchip 32-bit PIC® microcontroller products with