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Aquatic-Robotic-Courier/software/ARC-FW/documentation/usb_device_cdc.rst

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==============
USB Device CDC
==============
USB Device CDC (Communication Device Class)is a part of the USB Device Stack library.
It provides support for Abstract Control Model, which is one of the USB PSTN Device
Models. The device uses both a Data Class interface and a Communication Class interface
for it. For more detailed definition and description about this model, user can refer to
the related chapter in <Universal Serial Bus Communications Class Subclass Specification
for PSTN Devices, Revision 1.2>
Features
--------
* Initialization/de-initialization.
* Data transfer.
* Callbacks management on:
* Transmission done
* Reception done
* Setting a new Line coding
* Line state changing
Applications
------------
* Used as a vritual serial.
Dependencies
------------
* USB Device Driver
* USB Device Stack Core
* USB Protocol CDC
Limitations
-----------
* Only single instance can be supported, not applied for multiple case.
* The INF and CAT file would be packed in atzip file. User can extract
them from "./usb/class/cdc/device".
* If user wants to combine CDC with other classes into one device, USB
Device Stack Composite component should be added from the web page
rather than USB Device Stack CDC ACM.