Trait embedded_hal::spi::FullDuplex
source · [−]pub trait FullDuplex<Word> {
type Error;
fn read(&mut self) -> Result<Word, Self::Error>;
fn send(&mut self, word: Word) -> Result<(), Self::Error>;
}
Expand description
Full duplex (master mode)
Notes
-
It’s the task of the user of this interface to manage the slave select lines
-
Due to how full duplex SPI works each
read
call must be preceded by asend
call. -
Some SPIs can work with 8-bit and 16-bit words. You can overload this trait with different
Word
types to allow operation in both modes.
Associated Types
Required methods
Reads the word stored in the shift register
NOTE A word must be sent to the slave before attempting to call this method.