* Printer Class Driver module. This module contains an internal implementation of the USB Printer Class, for the base
* USB Printer transport layer for USB Host mode only. Note that printers are free to implement whatever printer language
* they choose on top of this (e.g. Postscript), and so this driver exposes low level data transport functions only rather
* Printer Class Driver module. This module contains an internal implementation of the USB Printer Class, for the base
* USB Printer transport layer for USB Host mode only. Note that printers are free to implement whatever printer language
* they choose on top of this (e.g. Postscript), and so this driver exposes low level data transport functions only rather