Method write

rpi/src/spi.rs:94–96

(&mut self, buf: &[u8])

impl Write for RppalSpiBus {
    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
        self.spi.write(buf).map_err(spi_error_to_io_error)
    }

    fn flush(&mut self) -> io::Result<()> {
        Ok(())