Full duplex (master mode)
It's the task of the user of this interface to manage the slave select lines
Due to how full duplex SPI works each
readcall must be preceded by a
Some SPIs can work with 8-bit and 16-bit words. You can overload this trait with different
Wordtypes to allow operation in both modes.
An enumeration of SPI errors
Reads the word stored in the shift register
NOTE A word must be sent to the slave before attempting to call this method.
Sends a word to the slave