Function circuit_playground_express::i2c_master

pub fn i2c_master<F: Into<Hertz>>(
    clocks: &mut GenericClockController, 
    bus_speed: F, 
    sercom5: SERCOM5, 
    pm: &mut PM, 
    sda: Pb2<Input<Floating>>, 
    scl: Pb3<Input<Floating>>, 
    port: &mut Port
) -> I2CMaster5

Convenience for setting up the labelled SDA, SCL pins to operate as an I2C master running at the specified frequency.