Library Interface Section 

Description 

System Interface Functions 

These functions make the USB Host Layer compatible with MPLAB Harmony. 

Bus Control Functions 

These functions allow the application to enable, disable, suspend and resume the USB. 

Device Related Functions 

These functions allow the application to suspend and resume the USB. Attached devices can be queried and their string descriptors can be obtained. 

Event Handling 

Allows the application to register an event handler. 

Client Driver Routines 

These functions are exclusive to the client drivers and should not be accessed by the application.