Cargo Features

cyw43-pio has no features set by default.

[dependencies]
cyw43-pio = { version = "0.2.0", features = ["overclock", "defmt"] }
overclock

If disabled, SPI runs at 31.25MHz
If enabled, SPI runs at 62.5MHz, which is 25% higher than 50Mhz which is the maximum according to the CYW43439 datasheet.

Features from optional dependencies

defmt implicit feature