Article USB in a NutShell Part 4

USB Descriptors

All USB devices have a hierarchy of descriptors which describe to the host information such as what the device is, who makes it, what version of USB it supports, how many ways it can be configured, the number of endpoints and their types etc
The more common USB descriptors are

• Device Descriptors
• Configuration Descriptors
• Interface Descriptors
• Endpoint Descriptors
• String Descriptors