Cargo Features

[dependencies]
feather_m4 = { version = "0.12.0", default-features = false, features = ["rt", "usb", "dma", "max-channels"] }
default = rt

ask the HAL to enable atsamd51j support

Enables samd51j of atsamd-hal

rt default = cortex-m-rt

Enables samd51j-rt of atsamd-hal

usb = usb-device

Enables usb of atsamd-hal

Affects feather_m4::usb_allocator

dma max-channels?

Enables dma of atsamd-hal

max-channels = dma

Enables dma of atsamd-hal

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

cortex-m-rt rt
usb-device usb?