Rename and unbr0ke rtic-spi-slave-dma

Signed-off-by: Alexey Shvetsov <[email protected]>

Author: alexxy

CHANGELOG.md

@@ -26,6 +26,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  - Bump `synopsys-usb-otg` to `0.3.1` [#535]
  - Renamed and updated rtic-button example (was rtic) [#551]
  - Rename adc_dma_rtic to rtic-adc-dma and move it ot defmt [#552]
+ - Rename spi_slave_dma_rtic to rtic-spi-slave-dma and unbroke it [#552]
 
 ### Removed
  - `i2s-audio-out-dma.rs` example, too difficult to fix.

Cargo.toml

@@ -501,6 +501,6 @@ name = "hd44780"
 required-features = ["device-selected"]
 
 [[example]]
-name = "spi_slave_dma_rtic"
+name = "rtic-spi-slave-dma"
 required-features = ["stm32f411", "rtic"]
 

examples/spi_slave_dma_rtic.rs renamed to examples/rtic-spi-slave-dma.rs

@@ -687,6 +687,12 @@ impl<SPI: Instance, PINS, const BIDI: bool> Spi<SPI, PINS, BIDI, u8, Master> {
     }
 }
 
+impl<SPI: Instance, PINS, const BIDI: bool> Spi<SPI, PINS, BIDI, u8, Slave> {
+    pub fn use_dma(self) -> DmaBuilder<SPI> {
+        DmaBuilder { spi: self.spi }
+    }
+}
+
 pub struct DmaBuilder<SPI> {
     spi: SPI,
 }