Defines the bus configuration between the master and the slave device.
public enum SpiBusConfiguration
Devices are connected in full duplex configuration, using 4-wires. All SPI signals are connected.
Devices are connected in half duplex configuration, using 3-wires. Only CS, SCK and MOSI (master) signals are used.
Devices are connected in simplex configuration, using 2-wires. Only CS, SCK and MOSI (master) signals are used. Communication flow is from master to slave only.