Remove circular DMA for now

stm32-rs · Jun 21, 2021 · fa2137c · fa2137c
1 parent 340db1e
commit fa2137c
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/adc.rs b/src/adc.rs
@@ -37,7 +37,8 @@ pub struct ADC {
 pub enum DmaMode {
     Disabled = 0,
     Oneshot = 1,
-    Circular = 2,
+    // FIXME: Figure out how to get circular DMA to function properly (requires circbuffer?)
+    // Circular = 2,
 }
 
 #[derive(PartialEq, PartialOrd, Clone, Copy)]

diff --git a/src/dma.rs b/src/dma.rs
@@ -1085,10 +1085,11 @@ where
         dma_mode: adc::DmaMode,
         transfer_complete_interrupt: bool,
     ) -> Self {
+        assert!(dma_mode != DmaMode::Disabled);
+
         let (enable, circular) = match dma_mode {
             DmaMode::Disabled => (false, false),
             DmaMode::Oneshot => (true, false),
-            DmaMode::Circular => (true, true),
         };
 
         adc.adc