Cargo Features

USB-PD has no features set by default.

[dependencies]
usbpd = { version = "0.0.5", features = ["log", "defmt"] }
log

Enables log

defmt

Enables defmt and defmt-03 of heapless

heapless:

Implement defmt::Format from defmt v0.3

USB-PD has 2 features without comments.