Send dummy byte prior to reading SPI

ReeceStevens · Apr 4, 2018 · 2d25530 · 2d25530
1 parent a51eac1
commit 2d25530
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/f4/src/spi.rs b/f4/src/spi.rs
@@ -109,6 +109,7 @@ macro_rules! spi {
             }
 
             fn read(&mut self) -> nb::Result<u8, Error> {
+                self.send(0x00);
                 let spi = &self.spi;
                 if spi.sr.read().ovr().bit_is_set() {
                     Err(nb::Error::Other(Error::Overrun))