Function circuit_playground_express::spi_master

pub fn spi_master(
    clocks: &mut GenericClockController, 
    baud: impl Into<Hertz>, 
    sercom0: SERCOM0, 
    pm: &mut PM, 
    sck: impl Into<Sck>, 
    mosi: impl Into<Mosi>, 
    miso: impl Into<Miso>
) -> Spi

Convenience for setting up the SPI bus on A1, A2, A3. This powers up SERCOM0 and configures it for use as an SPI Master in SPI Mode 0. Unlike the flash_spi_master function, this one does not accept a CS pin; configuring a pin for CS is the responsibility of the caller, because it could be any OutputPin, or even a pulled up line on the slave.