USB is Like a Railroad
The USB Railroad
PC City
Branch Offices of Our Business
Getting A Ticket to Ride
How We Pay For Our Ticket
How We Pay For Our Ticket
Whom We Have to Please
The HIDmaker FS Shipping Company
We'll Even Do The Packing
What Can We Ask For In Those Specs?
Company Divisions (Interfaces)
Multiple Company Divisions (USB Interfaces)
Business Plan Phases (Configurations)
First Phase (Configuration 1)
Second Phase (Configuration 2)
The Warehouse in PC City
Within the Divisions
Freight Classes
HID Class
Trainloads (Reports)
What We Have To Specify
What's In Those Specs
Identifying the Company (Device Descriptor)
Business Phases (Configurations)
Company Structure (Interfaces)
Repeat for All Phases (Configurations)
Describe the Freight (Data)
Footnotes (String Descriptors)
You'd Better Get It Right...
Back to the Real World of USB
If You Pass
USB is a Master / Slave Technology
Microcontroller Host Processors USB On the Go
USB On the Go
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