Flush MISO before transfer operation

2021-12-02 11:38:43 +01:00
parent 9a730ef692
commit 81ec4c82fd
3 changed files with 11 additions and 2 deletions
--- a/embassy-lora/src/sx127x/sx127x_lora/mod.rs
+++ b/embassy-lora/src/sx127x/sx127x_lora/mod.rs
@ -560,9 +560,8 @@ where
        byte: u8,
    ) -> Result<(), Error<E, CS::Error, RESET::Error>> {
        self.cs.set_low().map_err(CS)?;
-        let mut rx = [0, 0];
        let buffer = [reg | 0x80, byte];
-        self.spi.read_write(&mut rx, &buffer).await.map_err(SPI)?;
+        self.spi.write(&buffer).await.map_err(SPI)?;
        self.cs.set_high().map_err(CS)?;
        Ok(())
    }