USB library¶

Key Features¶

• Source code to deal with common requests of endpoint0
• Source code to deal with multiple endpoints in a single thread using interrupts (experimental)
• Example Mouse HID application
• Example combined Mouse/Keyboard HID application
• Example CDC/ECM (Ethernet over USB) application
• Example CDC/PSTN (Virtual COM port) application
• Example CDC/EEM (Ethernet Emulation) application (experimental)

To Do¶

• Port documentation
• Complete the Interrupt experiment (vcom) by porting endpoint0 to the interrupt layer.

Firmware Overview¶

This module contains the code that deals with the common requests on endpoint0, and a series of example USB devices that can be built, including HID, and three CDC devices (Ethernet, Modem).

Known Issues¶

• The virtual COM port example is experimental and uses interrupts to reduce thread-count - this needs more testing to check that the turnaround times are reliable.
• Some devices are based on a funky keyboard with two embedded L1s, other on the L1-audio board. All should be ported to the L1-audio board so that there is a platform on which this code can be ran.
• The EEM example needs testing - it needs a host that supports EEM!

Required Repositories¶

• xcommon git@github.com:xcore/xcommon.git
• sc_xud git@github.com:xcore/sc_xud.git
• sc_ps2 git@github.com:xcore/sc_ps2.git (keyboard+mouse only)

Support¶

Issues may be submitted via the Issues tab in this github repo. Response to any issues submitted as at the discretion of the maintainer for this line.